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Canadian Electrical Code Review Guide( F% t& u# Q& i3 O
For the Exam of Electrician For Red Seal License6 S' a3 Q* g& a9 m8 F
* O$ S( e3 R0 `2 `# i9 L
Lesson One
* y8 i5 Q0 r( Z! I1 v$ p2 ~2 Y* SSection 0 DEFINITIONS2 @# I% c9 Z, I0 i0 ?0 @' |1 u5 O
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
- \3 T, m! h6 k. c9 z; t( eAccessible as applied to wiring methods, V5 l- F# x6 |
Alive or live) |) f, z' E. \
Aluminum-sheathed cable3 l1 w9 G/ `( d, {: |+ U g
Ampacity
7 G& \$ l2 M% ]+ b1 |Authorized person
: S$ P; p( d$ q0 uAuxiliary gutter3 }7 _& z" N& R8 V8 @
AWG: {9 y" [4 H6 k# }% }
Bonding, o) v4 U* @9 ?1 g
Cable tray/ q4 B! g8 c6 B7 _8 _9 U
Cellular floor1 p/ h; S/ N, M5 ^" b# ?
Branch circuit
. @# m( t2 x% W G* pBus
; ]( d& a# B! e1 M: m$ `" y6 M' G, x- XBusway; j9 v! `; O5 m8 w. r4 K
Communication circuit
+ z. m! |, k# TExtra-low-voltage power circuit, Z6 ~- k' B6 X. Y* I$ L H: P
Low-energy power circuit
' k1 ?$ l. w1 J% f* |4 XMulti-wire branch circuit
/ ^0 y: H8 o) ?2 @/ C: }; X+ kRemote control circuit
' M, `- @! d; ?6 zSignal circuit1 R+ ]& b3 h% L- E0 H% B0 {9 {: d
Circuit breaker( j! v9 o& w, [. \! R
Instantaneous-trip circuit breaker R. o! L/ q& ^2 U
Conductor
% Y4 t. K7 J4 |/ C( m$ _Conduit- O* M4 Q8 z/ j1 e& L( i
Flexible metal conduit
0 p- C7 \! A" S/ V Liquid-tight flexible conduit4 P5 ]7 M3 \- M; \( z) D
Rigid conduit
, s% f; x2 E9 J e- ]$ e2 |- ~8 Y Rigid metal conduit" r0 J0 R9 |/ I/ C
Rigid nonmetallic conduit) E6 }/ h2 D8 _( i ?$ [9 A4 z' d
Rigid PVC conduit
. b1 Z4 S/ E. D$ A8 LConnector! |# R+ H: G% Y
Box connector; p8 `; B: o: ^. A* U8 l
Wire connector
) z: P: V/ I) j4 b, o& f( O bController
3 l Z( V. }! b; B: nDisconnecting means4 m9 T$ L" B# Y3 C( f) W1 Z* S
Dust-tight3 y; M6 J. P( c4 A, n
Dwelling unit4 G/ K" p! d x6 ?8 V
Electrical contractor. ]4 b6 ^6 d( ^4 U" P
Electrical metallic tubing
7 v! _6 U/ _ \1 Z- M0 c. P; W/ PElectrical nonmetallic tubing
( W2 [! X7 k$ Z) t) k& m' cEmergency lighting
( @* A4 n* C& }4 l. }7 }- d' nExplosion-proof
8 D% J; ^5 R! Y' ]3 C4 {Extra-low-voltage power circuit
9 M9 Q# ?1 X2 o4 n$ \2 b' U7 DFeeder
2 v: d" _( S# h) G7 K6 a6 _Flexible metal conduit( G# x& s$ [- H9 ?6 a
Ground
/ g f, [' j% j) _Ground fault circuit interrupter" F# l1 {: g$ E, r3 W
Grounded
9 X$ e! K( \, f1 Q* C3 MGrounding
% J( h% ^# c9 J4 w3 U4 d. W! n" ^. q f% qGrounding conductor+ z0 x* K& g* d2 P0 N
Grounding electrode2 _, P, l a. w. _( G
Guarded! o/ ?$ z0 }: l
Hoistway
% N3 q9 o" j9 X( q) V2 v& u. s' E1 PIdentified% |$ q8 N$ O5 s+ M
Lampholder
1 i) e5 U( t( L% w: vLow-voltage protection9 A# }8 I6 R7 l- b- A* j: e
Low-voltage release8 V3 F" k# x) l j' e- D0 Y
Neutral8 I4 y/ J; h$ g1 P# n6 P
Noncombustible construction
! ~* s5 V: R: mOutlet
* F! P: E+ I7 |! Q" y8 |+ [8 NOutline lighting+ a' i/ t- s3 F7 g# }% @
Over current device
- ~* ?" y* l9 m& F9 `) kOverload device
" j& ]' M! q0 p% ~Panel board
: [" W/ x# |3 I) `/ b4 TPanelboard, enclosed
: D+ S& f" w0 MPermanently connected equipment
) ~/ J* p- L4 _0 zPermit
# _# e: w0 _+ c7 ?) W& aPlenum
5 Z4 k8 ~ ^9 x1 |Portable as applied to electrical equipment+ E/ o1 Q: Q2 ?1 U% H9 ~4 @3 l- r
Portable ground fault circuit interrupter
# A% H) k2 c# R1 x& S/ o# K7 k1 APower supply cord- b5 ] H8 f! Q) G7 H0 ~
Raceway2 i& D0 }3 k6 `( i5 n* b1 d: e1 s4 l! h
Receptacle
2 J, e* M5 L: Q) v# J Duplex receptacle
) j' K4 S% M' _2 i& [6 X. W2 N Single receptacle
0 B$ U2 Y$ i: @, x2 R% x0 B7 F Split receptacle2 |# E3 I% {, P3 O6 @
Service, consumer‘s+ p# p+ _' z* N6 o- p3 c
Service, supply
7 L$ ]) \% J& V: _) ?Service box6 _$ Q* Q3 }9 w5 y( B. \
Service room
8 o( n' [: A A3 M dSingle-dwelling
5 O6 l% O% c4 W/ c0 `& r. JSlow-burning as applied to conductor insulation7 \) P, s s: a6 m) o) F0 q
Splitter; c1 E5 ^/ X% r: G% ^
Starter
6 s# R% k; y0 n+ X$ _: QSwitch
% s- V, l5 Z* R/ J# n8 V General-use switch
+ G }3 I. F% J' K5 S9 W& o Indicating switch
0 z- J! ^1 J2 }4 N( K8 t+ T; h( | Isolating switch3 S/ h. D% N0 L: o
Motor-circuit switch
" u4 t9 g& c4 C8 k( W3 C" [System
- w6 x; D' j. [$ h Communication system
& w6 X3 o9 j V Community antenna distribution system(CATV)8 {2 X& H2 M U; o! w# M
Grounding system+ ?. o% t c* u9 {
Underfloor raceway
/ b6 `4 w! f* a0 m( B6 l$ M: LVoltage:
& ~3 D! T B* K7 N- \* e' f) H Extra-low voltage, z. d$ i3 h9 r2 \& d/ O
High voltage
7 f6 t5 \7 c1 B5 J6 M q Low voltage
) l6 D( s/ S0 gVoltage of a circuit
$ x/ ? q: I. \4 q: P' ~3 ^4 s, D' aVoltage-to-ground# P! l/ ?5 [5 e0 ?/ |
Wireway( S* g# n. ~* c( x4 G) g
7 {/ ]5 f5 ?+ e7 Q! @
Section 2 GENERAL RULES
$ U$ n ^6 ^7 Q+ L& N& Q" vAdministrative
0 D8 T- B: w f, W$ J4 a2-018 Reconnection
' [$ Z3 l' _9 X" M. p2 b2-030 Deviation or Postponement
: c" Z+ ?( q5 H# D+ }, c$ oTechnical General
9 H" H0 e1 u j& X2-106 Circuit Voltage-to-Ground – Dwelling units( I$ D4 J' j: V. m% v
2-114 Soldering Fluxes
$ W" o9 f& [6 O7 ^/ H2-116 AWG Sizes of conductors
% m9 h, m6 L1 [& V# g7 ?4 p7 R& b/ r2-124 Fire spread (see Appendices B and G)
' l! R: {, [" t" W! a2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)0 R! D, t& v# n( ^" E8 I
Protection of Persons and Property. t8 i# Q, l+ D) A& T
2-202 Guarding of Bare Live Parts; N/ Z" [0 {5 l
Maintenance and Operation
- {$ p& U$ @/ N+ a/ c2-304 Disconnection8 L2 y% `' V4 F, u2 o- r8 q) A, t
2-306 Maintenance of Live Equipment
- \% y1 V" A# g- A* jN 2-306 Shock and flash protection (see Appendix B); h! ?, n1 B! ]
2-308 Working Space About Electrical Equipment: Table-56' ]. G: G/ t0 L" c% N+ [( ]& Z
2-310 Entrance to, and Exit from, Working Space% N. b- z9 _4 w4 E" \5 d
2-320 Drainage) z9 R( K* Z- r) \" z5 z2 g
2-322 Electrical Equipment near combustible Gas Meters and other Devices- ^: ?0 m3 t) R6 l
Enclosures `5 x$ A* ^# M- o
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
: k% q/ v& F* g; y6 s( y2-404 Marking of Motors: DP, WP, TE- E* M/ z& q x/ A
5 v- m: P6 @& w$ U
Section 4 Conductors- n! x% k8 U$ [: B# v
4-000 Scope ^' z5 \1 Y E( ?9 j
4-002 Size of Conductors: 14#, 12#! J4 @9 Y" O* k. C" l$ X6 g
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 360 C' H" q1 q0 p& J! f+ D6 {
4-006 Insulated Conductors: Table 19( s! p! B7 s) g4 W
4-010 Uses of Flexible Cord: Table 11
0 C6 I, Z; F6 [. U8 U4-012 Sizes of Flexible Cord5 Q7 A/ o! U) _1 O
4-014 Ampacity of Flexible Cords: Table 12; J3 N, k8 h. a$ S% ~ q$ n
4-018 Equipment Wire) D' l: a) F( V3 `
4-020 Insulation of Neutral Conductors5 x5 ~% v( L, O3 L g
4-022 Size of Neutral conductor* C! Y( R1 B- }% V- E8 O
4-024 Common Neutral Conductor6 j; ^3 x$ |! e& l
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum; ^3 O: O; w5 t% f( G
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum6 h/ Y) H- K, ^+ R, q$ e
4-032 Identification of Type MI Neutral Conductors
& V+ F/ U9 v2 r( j4-034 Use of Identified Conductors$ w6 [% v7 W: ?/ B) `* ]
4-036 Colour of Conductors: Phase A, B, C, …* { I/ ]( P: r
$ y4 d$ `5 [! V' |0 L; GSection 6 Services and Service Equipment1 Q7 }+ n( R( `, C: P* R& V ?
General
" T3 s, N7 l& {3 u G5 ~6-102 Number of Supply Services Permitted
n3 h4 y" e* \6 E6-104 Number of Consumer’s Services Permitted in or on a Building
' K7 V3 e' {4 p& z% P# A) d/ G1 Z6-108 Supply Service from an Electric Railway System
6 p1 d) s4 j0 O5 O6-110 Three-wire Consumer’s Services 9 l3 r3 P: c% x3 p6 C
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors; L6 c n8 _! C k4 q# f+ G( H
6-114 Methods of terminating conductors at consumer’s service
5 Q* B, d& q* X8 Y8 L/ g: D- b6-116 Consumer’s Service Head Location
& N8 I7 L2 k4 ~6 H& B& {9 m4 cControl and Protective Equipment) n! l8 I4 \8 K/ t- ]
6-200 Service Equipment8 c; }* V# M- u" ?& z! g, x
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e); |4 S% A; b3 F' _0 s, t8 B
6-208 Consumer’s Service Conductors Location
4 T& R( ~' y' j; Y( M' K$ W2 P6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
7 J& q* @& v- \: g" Q! X6-212 Wiring Space in Enclosures# Q! J& C9 `8 s" ~% u2 ?; h5 J
6-214 Marking of Service Boxes
7 j& g$ q7 h& q5 A/ H- {Wiring Methods s8 J+ z: @! `6 j) A( j
6-300 Underground Consumer’s Services
: b8 ?+ l; i8 Q5 ?$ X, A1 F6 ~, N6-302 Overhead Consumer’s Service Conductors/ s4 h; C9 N: G K2 a$ Y
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
. Z6 N( W0 p* _6-306 Consumer’s Service Raceways
" A' _- X4 \0 n% H! x7 Y6-308 Use of Bare Neutral in Consumer’s Service
/ b5 r; X2 n6 y5 p) {, F3 w* `6-310 Use of Joints in Consumer’s Service Neutral Conductors+ w8 F& w1 j0 F) F+ G
6-312 Condensation in Consumer’s Service Raceway
7 f7 }* M0 B# i, F) SMetering Equipment# h4 F! Z9 X' e& R1 ~* V
6-400 Metering Equipment
$ u; ~% z) t) D$ M6-402 Method of Installing Meter Loops
. ?2 q$ w* c2 X- g ?& Y" e/ R# J6-404 Enclosures for Instrument Transformers
. y( l% u% a. J" O n" f6-408 Location of Meters
0 w. t1 `: e% A: {, k
" |, b. F$ ?" xSection 8 Circuit Loading and Demand Factors' y- Z, o3 ]: u( a) I: j
General- a; M# v( D6 j
8-100 Current Calculations
3 T. @5 R) x! V" `3 w% f4 c8-102 Voltage Drop ( see Appendix D)
. O4 R- `' ^/ X, l4 X1 k8-104 Maximum Circuit Loading, T K {; }7 B* X" H: E3 B0 l2 g& ?: k
8-108 Number of Branch Circuit Positions
( h5 c' V: `# K, D( n8-110 Determination of Areas
6 a( c- f2 ^( G; Z t8 T# x* w4 A/ vServices and Feeders
3 P2 X) M5 ]" g+ B0 Y8-200 Single Dwellings (see Appendix B)" E) z7 U6 y3 {/ P5 l2 F
8-202 Apartment and Similar Buildings
{. ~/ R |2 M# ~" {1 h8-204 Schools
* C4 M9 n- ~8 x+ O5 h# K) O8-206 Hospitals
8 R7 B& R$ F( [/ @8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy" _1 S: R @- r, L
8-210 Other Types of Occupancy (Table 14)$ X* B% o5 v4 V: F8 d
8-212 Special Lighting Circuits
" D1 f- _3 H# P; i7 z5 gBranch Circuits
3 X" S) k% K; L) r% ?3 u _8 h8-300 Branch Circuits Supplying Electric Ranges% F" E6 t! o) b6 A4 G: Q+ v* o
8-302 Connected Loads
: j2 c2 u7 [( U& \+ r, S( n
# Y" O- n! i2 O9 fSection 10 Grounding and Bonding m' u3 v0 m; \; e1 F+ R5 p1 i
Scope and Object
3 z/ [1 L1 b( m7 A8 ~9 V10-002 Object
- ]+ f# I; |$ t0 Z. b- OSystem and Circuit Grounding
4 F1 f$ [9 G" W( l# x( ^10-102 Two-Wire Direct-Current Systems
7 I9 b! P8 J$ L x# N10-104 Three-Wire Direct-Current Systems$ z+ |. ]* e3 V
10-106 Alternating-Current Systems$ f% e8 s1 [& s" X+ Q& V
10-110 Electric Crane Circuits
6 R% [- ?6 I3 T4 d7 Z10-114 Circuits of Less Than 50 V
+ n4 y% D, R3 b9 e4 q10-116 Instrument Transformer Circuits
& n0 r& l/ r2 x" A% _' YGrounding Connections for Systems and Circuits. X) E" ^6 H! U1 w/ T3 p C: t% s
10-200 Current Over Grounding and Bonding Conductors9 Y8 e8 {6 W7 G
10-204 Grounding Connections for Alternating-Current Systems# ^ R8 _- m. F* a' c4 l4 d5 r
10-206 Grounding Connections for Isolated Systems4 o J" ~' U/ o+ p
10-210 Conductor to be Grounded! l* b6 C9 ?. ~) }
Conductor Enclosure Bonding
6 y# t* ^, y$ u. Y A10-302 Other Conductor Enclosures
8 W9 E) S7 s5 F& j' _2 {5 M, e5 ^. ^N 10-3048 u- c: @, E Y' s( Q& K
Equipment Bonding( c2 S! ~" L$ A8 ~, y5 }
10-400 Fixed Equipment, General) F/ N! Z+ V& h! D8 e
10-402 Fixed Equipment, Specific (3), (4)8 v1 r5 O' ~3 }$ e& `
10-404 In Nonmetallic Wiring Systems
* e- b5 }0 [+ O# ?; P$ }10-406 Non-electrical Equipment4 `2 K& k( v& x
10-408 Portable Equipment (4)(b)
% L8 ]% a* Z; d$ }10-410 Instrument Transformer Cases6 z( Q% P6 E' n1 p: \
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less( Q u# i! [! O& Q2 O& k. p* q2 P
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V% q' `2 i; V0 j8 e1 S! d
Methods of Grounding
1 n3 s; W. O. i5 E, H g& u1 g10-500 Effective grounding (see Appendix B)
! e" p: y4 a$ U2 I/ v. ]8 o10-502 Common grounding conductors
[8 N- [2 Z* ~" _! z* {6 K10-504 Common grounding electrodes
7 R: l/ T; l: E, e% ^5 BBonding Methods
! h$ m1 i1 e1 {) C m+ P5 p10-600 Clean Surfaces7 b9 v8 P% _7 X% k( A" [; n
10-604 Bonding at Service Equipment
+ t& N' d4 S* x( q4 K10-606 Means of Assuring Continuity at Service Equipment
& m% _' g. M' j* h L M10-610 Bonding at Other Than Service Equipment! \5 b$ V: P# e& a E6 U M
10-612 Loosely Jointed Metal Raceways
]" s% T* l3 x# x6 u s10-614 Bonding Jumpers Table 41
4 Q5 w. ?8 g5 d. @# S& |, wGrounding Electrodes# D3 }2 k" G0 L" V" C/ \
10-700 Grounding Electrodes3 @. y4 C$ O) x
10-702 Artificial Grounding Electrodes* c2 B$ G6 g9 x! f, Y( @
N 10-700 & 10-702
0 a N& \/ Y. G2 T3 g10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)/ y+ x5 X: y2 Y* Q2 w4 ?# B6 Y
N 10-702- e' B2 L% j4 t2 O$ A7 s3 L
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
+ `$ \3 f7 D5 VN 10-702
0 c$ u( M( a) @( B2 I4 Q) L10-710 Use of Lightning Rods (Appendices B and G)
9 l1 x* _ v$ s& w! T4 V- R, TN 10-706
8 U' S8 j' z4 Q8 kGrounding and Bonding Conductors
( B' R9 j: K! j9 c1 c% O! f- F' v* m10-800 Continuity of Grounding and Bonding Conductors6 G, b' ?: ~7 |& w8 m! Z
10-802 Material for System Grounding Conductors4 ?+ y/ X, y: |. @! d* A
10-804 Material for Bonding Conductors) E- q ?9 y8 _ j1 A! G
10-806 Installation of System Grounding Conductors
8 O; @3 O0 l0 d4 B7 _" ]! h* ~10-808 Installation of Equipment Bonding Conductors
2 K1 q1 V9 Q7 j2 |, N# Q6 R10-810 Grounding Conductor Size for DC Circuits* f; V7 q2 ?& k
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
% A: K* ^) ~( P% w; n10-814 Bonding Conductor Size (Appendix B)5 l9 E" }) m% w' P- @
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
/ k' R4 V! v& K9 l. k. T; ^* T, g10-818 Bonding Conductor for Outline Lighting
7 ~! ^+ T2 ^* N$ I1 ~0 N- k10-820 Bonding Conductor Size for Instrument Transformers2 v# G1 F. f( V% M" K" A& C* z
Grounding and Bonding Conductor Connections; z+ D9 y" M/ v
10-902 Grounding Conduct Connection to Water Pipe Electrodes
! T B* G7 W0 {0 x5 w8 W7 V" z) N10-906 Bonding conductor connection to circuits and equipment
0 h& Y# n) H/ l10-908 Grounding Conductor Connection to Electrodes0 u' K5 J1 `4 D% \
Lightning Arresters
7 {2 z) |) G2 L& N: Q8 y4 _10-1000 Lightning Arresters on Secondary Services – 750V or Less& C p$ b# |1 M+ w# \8 K: r
' i2 l0 H# a2 ]& u, sSection 12 – Wiring Methods/ F7 z& {6 F5 p2 y2 [
Scope
0 r! ~$ t. K5 U# T; `; W12-000 Scope (Appendix B)
) ~8 }- @0 e- YGeneral Requirement
$ A9 f O9 o! Z$ a. R12-010 Wiring in Ducts and Plenum Chambers, q& ?6 k& b% D$ S
12-012 Underground Installations (Appendix B)5 q- R1 I0 v& O7 u( w. D
12-016 Lightning Rod Conductors1 g2 X0 D* O+ H8 S- V) t
Conductors - General& Y: W4 w% N& {0 S9 }% i
12-100 Types of Conductors (Appendix B) Table 196 N/ @% ]7 ?5 Y c0 {+ h
12-102 Thermoplastic-Insulated Conductors; D) T. V! c) o3 L6 d; R |- r
12-104 Flame Tested Coverings Z$ r1 M- a6 S4 P0 w e
12-106 Multi- and Single- Conductor Cables
0 w6 U+ |$ r7 w* Y2 M$ C12-108 Conductors in Parallel (Appendix B)
" u$ d* ]. _( P+ X! H$ y12-112 Conductor Joints and Splices
' @- _" l( X! C. j9 {$ h12-114 Ends of insulated conductors, z/ u5 W" J- R* b9 e- F
12-116 Termination of Conductors (Appendix B)6 B1 e* C9 @0 P! @ ^! V5 A& m7 R
12-118 Termination and Splicing of Aluminum Conductors
' ?( S+ ]! O: x) D6 u8 I12-120 Supporting of Conductors - Table 21
) ?0 r8 e" S2 {, d) BOpen Wiring, U0 {9 r m: B8 W! M y3 ? b
12-204 Spacing of Conductors
" E, K1 T2 Q/ q- a [/ E C12-206 Conductor Supports, e+ J# m/ o: S6 x% `3 \
12-208 Conductors on Flat Surfaces
1 n: u% U( Y3 I6 c$ R W" G. j12-212 Protection from Mechanical Injury
& A+ l# G4 ]& c. g* Q* `' [Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises& m1 b3 l \: z4 r
12-308 Minimum Size of Overhead Conductors6 @+ l& X: u: `" k0 s) s! ?
12-318 Use of Neutral Supported Cables, D6 m3 u! n& {
Nonmetallic Sheathed Cable
3 F$ \ K; V# h12-502 Maximum Voltage
2 n6 v# k) `' D3 g3 ?0 j12-510 Running of cable between Boxes and Fittings (Appendix G)% F: Q S! d2 X( X; l' \' F# i
12-514 Protection on joists and rafters
/ a4 `* `6 N; A/ a4 X% c- W" w, d12-516 Protection for Cable in Concealed Installations (Appendix G); v6 \1 y; O9 ^2 G9 a
12-522 Where Outlet Boxes Are Not Required7 e y0 z. j2 ^$ ]! }
Armoured Cable
0 w8 t% j% E8 C12-602 Use (Appendix B)
0 z3 p6 o5 R! s- N! g" Z2 s12-604 Protection for Armoured Cables in Lanes1 K4 _: X" l5 b: _9 t) e
12-606 Use of Thermoplastic Covered Armoured Cable
( r: l. X/ @# Y9 }12-608 Continuity of Armoured Cable3 X7 t" |3 B8 i! ~3 K
12-610 Terminating Armoured Cable% H A5 [5 n- P
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems- ~1 _5 A" \* x
12-614 Radii of Bends in Armoured Cables
- g5 K3 J b5 {' ^: k12-616 Concealed Armoured Cable Installation
, H1 r$ ~) ^5 S% V$ {5 v4 _12-618 Running of Cable between Boxes, Etc
, _: a9 \3 K3 J0 O* O6 o0 EMineral-Insulated and Aluminum-Sheathed Cable
! ~& C: J1 B* g5 i/ ]; F0 R$ a6 n12-702 Use
2 r7 `8 C7 q0 V4 M6 v12-704 Use When Embedded( N$ ~" S2 x0 K8 }
12-706 Method of Supporting8 E5 [4 k, Z1 R
12-708 Direct Earth Burial9 P1 C( s6 L% ]- B" K& `3 t
12-710 Mechanical Protection2 P" M% R) S: T: C$ z
12-712 Radii of Bends
; r# p, \( D$ Z- d12-714 Termination of Mineral-Insulated Cable (Appendix B)
$ v% U: A, c* |, U6 K. J9 B12-716 Connection to Other Forms of Wiring
4 q& W& r' F& I! T+ ~Flat Conductor Cable Type FCC8 f; }8 S- r1 ^2 Z+ A- d
12-804 Use Permitted
1 H# ?, U, ?$ \" w+ w12-806 Use Prohibited! |# J2 D2 y1 N! y
12-818 Anchoring
5 z, @( ?3 b3 T. k12-820 Crossings# ~$ {1 a8 u7 x5 T
Raceways - General
5 V) ~4 k' l3 a12-904 Conductors in Raceways
* L& U: A3 \$ H( U+ m$ O12-906 Protection of Conductors at Ends of Raceways9 |# d3 @0 J' y; s- R; @( }
12-908 Inserting Conductors in Raceways
. H* X' b: x: Y) M# f" L4 B& [! R12-910 Joints or Splices Within Raceways* Y( ]$ `+ r5 e$ K( v; g
12-912 Stranding of Conductors
& E. [6 d t0 |8 M5 Q" R12-914 Electrical Continuity of Raceways6 ?* N" w7 ?/ c! u, s# O' H6 D
12-922 Radii of Bends in Raceways6 L. J/ S1 p4 s/ v( X" k. k
N 12-922 Radii of Bends in Raceways Table 7* {) V/ c% `" g) H% P' [
12-932 Protection for Raceways in Lanes S. c; z b8 N) e. Z
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)2 j: ^ X9 z( T' Q2 l! V0 g
12-938 Capping of Unused Raceways
% b4 O5 k9 U& n5 d, v: U6 Q12-940 Maximum Number of Bends in Raceways
5 @7 B2 ~' f& P1 WRigid and Flexible Metal Conduit
3 D* j8 k3 u7 o) f12-1002 Use
& K7 ]7 n# w4 T9 S, @1 _12-1004 Minimum Size of Conduits, e, Z, w5 j) D2 g8 v
12-1006 Conduit Threads (Appendix B)
$ O6 s' H" ~$ i/ c, b- r8 b12-1008 Thread Engagement9 Y& b6 A7 u0 R- E6 r" `
12-1010 Maximum Spacing of Conduit Supports
# e: n! e7 n2 M! [12-1012 Expansion and Contraction of Conduits (Appendix B)( E( l) |! n$ H# J8 v6 Z! V" J
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
. t- H4 f" X; {- F& |Rigid PVC Conduit and Rigid HFT Conduit3 d+ F+ e3 c/ }/ Q- s
12-1100 Use
3 D5 {! H0 A- l3 j# {12-1102 Restrictions on Use
; ?7 }4 `- |; b y$ |% v" z4 W12-1104 Temperature Limitations (Appendix B)# x3 j7 ~; ?' {7 O+ @9 m
12-1108 Field Bends (Appendix B), (2)
' e0 y2 m i3 G# S12-1110 Support of Luminaires
" t+ s! G* V# q w {2 X7 n12-1112 Fittings L! A4 S. U7 r' j
12-1114 Maximum Spacing of Conduit Supports
2 D; X8 K4 }5 p6 K( ]5 Z12-1116 Support of Equipment
5 h' e5 J X: M5 G2 }12-1118 Expansion Joints (Appendix B example)
5 R- |! Z# @) URigid RTRC Conduit
& g% C5 t, z& g3 v12-1210 Temperature Limitations" a9 H$ W% o5 |' m* o A d
12-1214 Expansion Joints (Appendix B)
# W. D9 m2 h% [; p4 N# N ALiquid-Tight Flexible Conduit0 P, d, c1 o! } {: G% j& t
12-1302 Use of Liquid-Tight Flexible Conduit2 j+ O/ v" Z/ `: Q8 R
12-1304 Maximum Number of Conductors
! w+ D( u; _# f! u- F12-1306 Provisions for Bonding
4 M' C3 N9 l% j$ |* ?: ?; `Electrical Metallic Tubing
1 w, X0 \: L7 m/ B12-1402 Use
) _( e' c9 O2 _12-1404 Supports
# P. ?0 V: m; \/ P12-1406 Minimum Tubing Size
( n8 m" W; V' o; l6 m4 e' K. f12-1408 Maximum Number of Conductors
1 ~8 u w: n* W5 J; E' l12-1410 Connections and Couplings
8 J" m" F: }8 V" a12-1412 Radii of Bends in Tubing5 ]" I- y' b8 O+ w+ ?/ i& |% G: R- `: I
N Table 7
& D1 ~5 `8 z7 T9 [. |7 wElectrical Nonmetallic Tubing: H1 p( r( C: U" l8 K& S: m% @9 h
12-1516 Provision for Bonding Continuity6 n/ Z) d% F2 F9 C' T6 P0 K
N 12-1514
' D% b- p) Q8 `, N+ g: E, T) Z7 uSurface Raceways
; q9 w' |0 \8 o% ?! W8 m12-1602 Use of Surface Raceway (Appendix B)
( p$ r( \. A% B9 Z) L: E/ ?12-1604 Temperature Limitations; w( h( \$ F, Z1 P
12-1606 Conductors in Surface Raceways (Appendix B)4 q }/ p- N4 x0 Z
12-1608 Maximum Voltage
' V' z- \0 X8 `7 U- p. [12-1610 Joints and splices
) o) Y. Y8 @1 L% L" ]4 qUnderfloor Raceways
/ f2 c$ u( l0 c3 ]% s12-1712 Discontinued Outlets in Underfloor Raceways4 I% d4 N5 F& l* Q* u6 s: D
Cellular Floors: h% P' N( t: J, c" |
12-1804 Maximum Conductor Size in Cellular Floor
% A7 A- ?0 G; R. s: B4 o9 d12-1820 Cellular floor discontinued outlets
0 t, b9 ]$ T$ m. W/ [/ MAuxiliary Gutters' E8 e9 g) h3 M8 H) s/ x
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
) |* H! Q) l: W" ?4 k5 H1 T12-1902 Auxiliary Gutter Supports
1 z9 Y& q/ Q) Y1 H12-1904 Auxiliary Gutter Cross-Sectional Area
" J, \3 s/ h/ T/ t. \" sBusways and Splitters
9 i' q1 V. {& `( g12-2004 AC Circuits in Busways and Splitters% X; W' B! n1 O5 ]) D
12-2006 Busway and Splitter Supports+ h" m- G. r4 ^; x- U# y
12-2008 Method of Installation of Busways, G# M7 W6 [' r: T/ ]
12-2012 Reduction in Size of Busways% U$ N" W/ S- f2 @' T
12-2014 Length of Busways Used as Branch Circuits' l9 H y7 m1 R1 b; C- E
12-2018 Taps in Splitters
3 o8 @6 E9 [4 y( |, O) U G4 YWireways
' s) p: D, F7 s4 N6 g8 F5 z12-2104 Conductors in Wireways
% q. E1 o9 c U1 f! H7 f& c12-2106 Taps and Splices in Wireways
. R! v+ N+ K8 o' K# h Cable Trays
: t5 p6 ]$ i$ u) T6 Z12-2200 Method of Installation (Appendix B)
; I4 a' S0 A' B12-2204 Joints and Splices Within Cable Trays; K$ o5 i! x% A
12-2208 Provisions for Bonding
; `( i$ T0 R! w( E' \& E12-2210 Ampacities of Conductors in Cable Trays
$ ~3 W k) ^' d% o$ z& N$ wInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
0 M* K1 f0 L& J+ P( ?9 ^. J7 L' p12-3000 Maximum Number of Outlets Per Circuit
0 [! Y! j# N! VN 8-304( y1 K) j2 D" A: z9 j7 Q0 y$ `' o
12-3002 Outlet Boxes (Appendix B); {' X0 ^- t, Y) M
N 12-30008 N8 F. @5 ^- G, m
12-3004 Outlet Box Covers
+ X1 H& D# E8 Z7 r7 e- i% RN 12-3002) z* j, v: F+ ]" {4 {8 r
12-3010 Boxes in Concrete Construction
5 [ J# I/ C' g9 S6 u$ RN 12-3008
8 O- F9 T1 d0 K# K2 v1 | C, W" G12-3012 Outlet Box Supports
6 }( M8 i. W7 z9 c k& gN 12-3010
* ^0 V- L& j* |" L0 B; P, l. D3 v12-3016 Accessibility of Junction Boxes! D2 M! x7 U+ U' o* ?, E: v
N 12-3014
, B9 q2 w' w- a12-3018 Flush Boxes, cabinets, and Fittings: T5 l* ?. Z) N7 Z' T( G
N 12-3016& U& k& [5 G* [
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
3 q F d* B5 N: zN 12-3022
3 v. q: ]$ r# G6 d" I3 |( k {12-3036 Maximum Number of conductors in a Box - Table 23
0 h+ l% q4 L( S+ L0 C3 NN 12-30341 c& |. V9 w) G3 N, |$ @8 z
12-3038 Pull Box or Junction box Sizes
7 J# h1 a) ~' Y- T; zN 12-30369 c1 o! F, O3 D" \) i e9 e0 ~
' _- f6 {- F8 \
Section 14 Protection and Control @$ f, h& Q6 W( b/ o1 U( r
General Requirement0 u: X# }* u0 L- h, |8 E
14-010 Protective and Control Devices Required
; ]+ l: t$ E1 O' P7 i% b9 e: m1 K14-016 Connection of Devices8 S* m1 }/ a. ]: }. S3 z( l
Protective Devices – General6 n( E$ X$ y, Z( Q* y! \. A
14-100 Overcurrent Devices Required- D8 p7 V9 `1 F, W4 z7 |$ w
14-102 Ground Fault Protection (Appendix B)" @2 Z+ f" a1 O3 t% a5 J
14-104 Rating of Overcurrent Devices (Appendix B) Table 139 f# f2 o) H6 A7 z$ Y" x
14-112 Overcurrent Devices in Parallel
0 M, c! R" P+ _7 V% r# E) `. h) JFuses4 R+ S0 O$ ]. d) q
14-200 Time-Delay and Low-Melting Point Fuses& U5 d4 F6 y1 [" K1 e+ l( c
14-202 Use of Plug Fuses: K+ k0 [' N+ g% I3 v9 g5 B
14-208 Rating of Fuses6 v3 z; k' e3 ` P: ], ]
14-212 Use of Fuses (Appendix B)
2 ~7 V/ y' N% g7 }* {5 tCircuit Breakers
/ O: T# L2 d+ z, V3 n4 M14-300 Circuit Breakers, General$ G/ n) n& d' z
14-306 Tripping Elements for Circuit Breakers5 f [+ j! P. w/ d9 V4 v- f3 o, \
14-308 Battery Control Power for Circuit Breakers
/ ~- Q; b- N- e$ j: {# v1 PControl Devices - General
, A$ d$ C; r- J. h2 b14-402 Disconnecting Means Required for Fused Circuits
k: n+ x; J1 g8 \4 q. A! P3 QControl Devices - Switches
/ J8 D2 s6 P: U% Z& v" n14-502 Mounting of knife Switches) y) ?& T; }$ p7 J9 H1 D Y
14-504 Maximum Rating of Switches7 d4 ]6 x+ u: C
14-508 Rating of General-Use AC/DC Switches (Appendix B)% _. l9 l" \* F
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)6 I" N& S6 W9 W
Solid State Devices3 a7 {6 r/ Q8 Q6 b8 `( P
14-700 Restriction of Use" a% k. Z$ Z% X2 H4 b) Q" R0 T3 I+ f
14-702 Disconnecting Means Required5 b) K. B7 _& l! N$ d
5 ^7 O" g: \+ v* |Section 16 Class 1 and Class 2 Circuits4 U4 L6 k# v0 k: n" p
General- j I+ Y4 q9 h$ N
16-004 Class 1 Extra-Low-Voltage Power Circuits
4 Z) c5 ?% g7 _& Z# v2 `& f0 i16-006 Class 2 Low-Energy Power Circuits6 b; ~' }( H- D% d0 T+ N( h( i( ~
16-012 Circuits in Communication Cables4 M; B5 q3 O9 g) y: x' g( K
Class 1 Circuits8 S9 ^. Y) W6 d& p! ?
16-100 Limitation of Class 1 Circuits
# r* X6 I' F( P. O/ Q16-104 Overcurrent Protection of Class 1 Circuits9 P; y7 u3 G6 p4 z6 E
16-106 Location of Overcurrent Devices in Class 1 Circuits3 A0 z5 O( t( j0 \( b4 |( k
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers7 {, O2 h' d1 J" P/ g- X% k: |
16-110 Conductor Material and Sizes5 [" z9 Y& F2 g9 w( r! O
16-112 Insulated Conductors for Class 1 Wiring
% a+ I3 r0 {% F3 C, i/ pClass 2 Circuits
0 a- _4 T! n& ^4 {16-200 Limitations of Class 2 Circuits (Appendix B); U" d+ N# @! [
16-204 Marking
8 k& K4 z& Q/ v7 j* ?16-206 Overcurrent Protection for Class 2 Circuits
: j: u- V' }; J7 G16-210 Conductors for Class 2 Circuit Wiring (Appendix B)* @& V; R0 e( `( K2 q3 ^" K5 y
ELC: extra-low-voltage cable
7 M; Y: X1 Q+ j: w7 f& C$ ~16-212 Separation of Class 2 Circuit Conductors from Other Circuits* E! ~' D7 }- Z. X5 u8 m8 s
7 Z6 a7 M4 D1 ?- j6 E' OSection 18 Hazardous Locations
9 R# x8 r; o# ]" ]1 sScope and Introduction# t! d* h# u2 ~ E$ T7 m
18-004 Classification
- l* p' {( [& H M( X/ q C18-006 Division of Class I Locations (Appendices B and J)
" y- i: N8 {9 A( T- ?0 L18-008 Division of Class II Locations (Appendix B)0 b# N( g, T/ p( L) J% W
18-010 Division of Class III Locations (Appendix B)
$ m! c& O1 Z; rGeneral
6 e% F. [& P0 j4 v+ y0 U18-062 Metal-Covered Cable (Appendix B)5 a& O/ p% R0 g9 J4 J2 w: g
Installations in Class 1, Zone 1 Location
2 [& t1 e* g0 j* X5 Y/ m18-108 Sealing, Class I, Zone I (Appendix B)
, |8 E% k" o/ R/ U& ~( A. b- A) }
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars5 \8 t3 Y! u o, h7 c4 a- q
Gasoline Dispensing and Service Stations
$ N7 b7 T: p7 m0 T% @7 b3 J/ E20-002 General
1 e# B' q4 O. C+ O' u$ e20-004 Hazardous Area (Appendix B)
% v/ r) N- L$ m" A& q8 CPropane Dispensing, Container Filling, and Storage g! Y _' s" z+ o! ^1 e
20-034 Hazardous Areas - Table 632 U" ?' ?, m3 s5 u
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities; z% }1 i, l) t2 A4 r, t/ S& F
20-062 Hazardous Areas
/ F4 p1 L5 h R) @8 _Commercial Garages – Repairs and Storage2 N3 ~" Y$ D V4 `
20-100 Scope
4 D# L! S* K5 r, E20-102 Hazardous Areas (1)
" u/ h& R2 Y( G3 |( S
1 P3 e! c+ l) r3 o# MSection 24 Patient Care Areas/ j9 ]) l5 E: F, J c
24-000 Scope (Appendix B)
; l8 I3 T7 y" [% Y+ o! L& }2 W24-002 Special Terminology (Appendix B)3 R' Q. J0 B M* M% r
Patient care area# o, k/ o: B8 w! Y! T' f$ u
Patient Care Areas
5 d* p0 Q6 j9 Z- R' h$ m24-106 Receptacles in Basic Care Areas (Appendix B)0 x2 U! z# H$ ?9 |
Isolated Systems
: s& Q( h3 C$ p( v24-204 Single-Phase Isolated Circuits (Appendix B)
* m% h* q: W2 D5 V. G24-206, N* z, H+ f/ w7 z# @
% L+ @9 Z5 C4 l) @- k' M9 b f
Section 26 Installation of Electrical Equipment/ W0 d% g# s5 y! J; R3 b
General0 R, n* R* d( D+ _1 K* Y+ R3 j9 c+ c
26-004 Equipment Over Combustible Surfaces (Appendix B)
& ^7 s; x6 [# f) N26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)2 ~! U" K* j: d( R( w5 t2 w& N w
Isolating Switches A( \9 Z: o* N0 T& d
26-100 Location of Isolating Switches, M2 J+ }, O/ ?& o& r
Capacitors) R" u* Z1 w7 N- g
26-204 Guarding of Capacitors1 a/ N4 J5 u4 T }% e( h
26-206 Grounding of Capacitors
) z4 W1 W6 p7 }; D7 x) {26-208 Conductor Size for Capacitors
! k2 I7 k6 b9 _3 G- _0 T, S+ n; y26-210 Overcurrent Protection (Appendix B)1 m0 h, \& z5 z
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits& g& j; p1 w$ d& W4 B$ l8 g9 O
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits0 q' Y: L" y+ E* N, t }
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits! X7 {" A9 z1 k; C
26-218 Special Provisions for Motor Circuit Capacitors" i. u! }' s+ k8 m! H2 U1 i0 r) R4 ]. n/ a
26-222 Drainage of Stored Charge of Capacitors
2 @4 E, n3 U4 P+ [& B; ]Transformers
. K) m+ G" K- U" V26-240 Transformers, General
; K+ l& |" K' f& \8 o, w1 o26-242 Outdoor Transformer Installations
' r3 o9 \( n, P5 f+ C% X/ Q7 p26-244 Transformers, Mounted on Roofs (Appendix B)
6 R" {( M1 I0 E7 L, K4 ^26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)$ q" P* H9 P/ n4 I4 S% P8 h
26-248 Dry-Core, Open-Ventilated Type Transformers1 Z$ C, H% U! [* l
26-250 Disconnecting Means for Transformers
, a5 n9 p% O7 ?: a0 b: h5 C% R26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V- Y n1 R: M7 P9 G( d9 |
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
8 v) L2 J% s9 D& @$ t26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
0 O1 j+ c: j- N" J0 q3 I( |0 X26-258 Conductor Size for Transformers
! v O; w6 q- ^4 h26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
5 G/ I5 J' l' \! r+ K$ N( p, `26-262 Marking of Transformers; `% m: R" V- |! H
26-264 Auto-Transformers8 J. }& F2 i' z3 q2 n# ~& C4 F
Fences U |. J9 J# d2 b) A7 A
26-302 Clearance of Equipment - Table 33, W2 J4 P% Y; o9 m( g h8 g
Panelboards
% U$ b/ K! \4 x) Z. ]7 `0 |26-400 Panelboards in Dwelling Units (Appendix B)3 k9 Z. P9 P; ]# }) s
26-402 Location of Panelboards (Appendix G)
' F% w! |/ _3 n L0 B- S* i6 [' eLightning Arresters" S$ n$ a5 z) \
26-508 Connection of Lightning Arresters
1 g5 Z( P7 ~, f' y/ EStorage Batteries
5 |% t" A3 C" [* b" Z26-542 Special Terminology
' o- o' @+ k: ?' R3 R' W26-550 Battery Installation( ~0 |3 M, p4 m/ C& g1 p2 D
26-552 Wiring to Batteries
, i" `, R9 \4 F B" C1 y0 O0 yArc Lamps- _& U8 m- H3 |4 X4 z
26-600 Location of Arc Lamps
( y U1 z4 o9 Z5 n$ q26-602 Conductors to Arc Lamps
5 n( h! m( l* Z! e3 s7 y: H26-608 Globes and Spark Arresters( Z" }+ a' ]' ]6 ~" b i/ S/ X! Y
Receptacles
' W( ~" @: o& Z0 p( V7 Z26-700 General (Appendix B)
: `5 @' z1 D# G. F$ v26-702 Receptacles Exposed to the Weather
' G7 U* @5 y8 gReceptacles in Residential Occupancies
/ b7 t% y9 n8 n- ?3 I n4 k) f26-710 General (Appendices B and G)6 g3 m. i A5 z
26-712 Receptacles in Dwelling Units (Appendices B and G)+ l) v" i: d8 B' s) d) J8 s
26-714 Receptacles in Single Dwellings (Appendices B and G)$ r- c7 h9 \$ I; C" o1 w. ~
Branch Circuits in Residential Occupancies; J+ y% v+ \+ I) n
26-720 General7 k7 c' J! w+ a2 i6 p( x6 `, d8 j
26-722 Branch Circuits in Dwelling Units7 O: w% n8 X$ G( h+ w* N
26-724 Branch Circuits in Single Dwellings
+ z( k- a& w4 H26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
3 L- i; Y6 r5 D2 VN 26-720 (F)
" D$ h5 Y+ t- S4 f0 ~Electric Heating and Cooking Appliances$ l- C9 x2 t+ X& K6 W- ^
26-744 Supply connections for Appliances+ q' A$ @0 k' ]( h( ]" B
26-750 Installation of Storage-Tank Water Heaters
/ A2 }9 m6 M. _7 w; N26-752 Infrared Drying Lamps9 G0 p H/ d+ r
5 j6 e% e# f( F& E( K1 e, a0 |/ vSection 28 Motors and Generators# |: b- t {/ _* A: d3 a
General
, W$ Z- S# P( h1 v7 S7 k28-010 Special Terminology
# O3 {& M$ o) U& p$ |" tHermetic refrigerant motor compressor* j* I- k4 n: R# K
Locked rotor current rating
1 n; z6 m' N- I* q5 e% Z0 U+ vService Factor
, f( D( i ?2 |" kTable 44; Table 45; Table-D2) \! u4 V6 f, M3 I1 _
Wiring Methods and Conductors
" J0 N9 z3 `7 ~" `/ U2 J% T28-102 Portable Motors" X N: [ e5 ]' e( v
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity0 K/ [1 P% ?; U, n( O
28-106 Conductors, Individual Motors
' Z% p T# c: S) t4 w) e+ ?6 _28-108 Conductors, Two or More Motors
9 ~$ ~6 h: \, b1 |* M28-110 Feeder Conductors
$ \7 A y4 t1 K! K+ _- d0 \28-112 Secondary Conductors
! \4 ^0 j9 z" a x fOvercurrent Protection
A4 _! S+ m5 Y3 n4 b28-200 Branch Circuit Overcurrent Protection
$ g2 p; x2 B9 r) R5 w2 B28-204 Feeder Overcurrent Protection
. A( \6 r5 g+ R" O3 A, R. u5 Y28-206 Grouping of Motors on a Single Branch Circuit
! _/ h7 k \" ?! c28-210 Instantaneous-Trip Circuit Breakers (Appendix B); Y2 V/ |% S3 T6 a0 h' g# c
Overload and Overheating Protection; R `- h$ k1 ?" o
28-302 Types of Overload Protection8 e0 \- i! @" C: \% [- j }
28-304 Number and Location of Overload Devices (Appendix B) Table 25
# [8 p& ?3 s1 ^( b28-306 Rating or Trip Selection of Overload Devices (Appendix B)
3 `* B/ R+ P N$ Y5 D9 }6 O28-308 Overload Protection Not Required
4 E; a; L# u" S1 l1 }Undervoltage Protection 3 d- ]! ^+ W, X8 v1 M
28-400 Undervoltage Protection Required for Motors (Appendix B)
1 M1 Q- b# I$ G1 LControl
1 P7 ^! x S) D% j8 s8 t28-500 Control Required* F- b# k0 c8 b$ P. I6 m
28-502 Control Location
' @& I+ q9 a6 x2 u" b1 c28-504 Starters Having Different Starting and Running Position, M8 F- f( \0 L; H
28-506 Grounded Control Circuit
, q5 E2 T! ^! V& Q0 _Disconnecting Means
; |8 V& o1 B6 \( c1 Y$ |28-600 Disconnecting Means Required6 z2 _7 L8 I; m& i! E i6 e5 h
28-602 Types and Ratings of disconnecting Means (Appendix B)+ I" F" u' s* R5 L% D. R" Y; [- G s
28-604 Location of Disconnecting Means
! J4 _2 }& {0 i9 i7 g1 ? Hermetic Refrigerant Motor-Compressors! [, H% p# ~ {% P' I( P
28-706 Conductor Ampacity
5 |5 z; l" i+ Q/ s# T4 a9 j4 B28-708 Overcurrent Protection$ p" W& a8 j. W! g% ?- M
28-714 Disconnecting Means
7 O& b3 {$ M% B9 k& b$ [% o! IProtection and Control of Generators
" l! I4 G# |) k6 h28-900 Disconnecting Means Required for Generators F' a& R& O; ]/ @; S9 p
28-902 Protection of Constant-Voltage Generators
4 ]5 {. l4 ]. S/ |8 W3 \28-904 Generator Not Driven by Electricity
+ B9 J' L% n; f- c28-906 Balancer sets% ^( g# U0 |) Y2 E
28-908 Three-Wire Direct-Current Generators; H, F0 s% j/ H7 d! Z. x
+ g, i& x3 H* DSection 30 Installation of Lighting Equipment5 p) h( n7 ~% J* U9 g! F0 v
30-002 Special Terminology (Appendix B)
" ?6 T" `; s3 W" T* e% s5 |; dGeneral
! p7 Q0 n/ ~# {; S30-102 Voltage
0 W T8 E0 x# Q4 J6 j30-104 Protection (Appendix B)
9 C3 l. j- _* u: s1 H% t30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
) ~, w/ b- W& E/ x3 k0 n30-108 Polarization of Luminaires9 x9 Y# d7 E. K: f i( x
30-110 Bonding of Lighting Equipment/ U9 w4 B% H2 h& N) t$ _( m
Location of Lighting Equipment
( D+ g8 w, m. \: w& N( I30-200 Near or Over Combustible Material
% U4 c1 L4 k8 ?30-202 In Show Windows S9 O% A3 u, d! Y
30-204 In Clothes Closets+ N. {. f, P5 V1 [9 J7 ?8 Z& `! y
Installation of Lighting Equipment8 h5 `, S! q) F7 z8 Q4 E9 C) r
30-302 Support4 e* a3 ~( A# F$ r/ u4 y/ f
30-304 Outlet Boxes to be Covered; g$ D1 J2 v1 Q" j' K3 u# q
30-308 Circuit Connections
7 U" N* s0 e9 V6 b6 C1 z& N30-310 Luminaire as a Raceway# G# }' `# P3 \- b( x2 d
30-314 Minimum Height of Low Luminaires1 \2 E9 _3 t3 @+ H" g6 F$ D
30-316 Luminaires Exposed to Flying Objects
" {8 |0 L* N7 W& |30-320 Luminaires in Damp or Wet Locations
$ v9 x; H9 ]7 S7 ?N 30-318! B- N- L5 f3 P
Wiring of Lighting Equipment% K( J2 e1 X) F5 B4 L
30-400 Wiring of Luminaires9 ]* n# o8 U( D: W% U: k. ~ [9 N. T
30-402 Colour Coding/ O+ G: s' |4 F" p* w
30-404 Conductor Insulation1 O9 l. ]5 q9 n/ L
30-406 Conductors on Movable Parts( l3 m* W7 j% D; b" @
30-408 Wiring of Ceiling Outlet Boxes: J" E, p; o, ? z$ m
30-410 Wiring of Show Window Luminaires9 g1 p3 q. d& X4 T
30-412 Tap Connection Conductors% f+ S5 ~: e, x" \# L
Luminaires in buildings of Residential Occupancy! s/ a+ X ]3 c$ E
30-500 Lighting Equipment at Entrances (Appendix G)$ u# |! g* @2 p
30-502 Luminaires in Dwelling Units (Appendix G); `9 U: w$ h6 j% {: f% i2 `
30-504 Stairways (Appendix G); A/ ~6 g4 K8 l: c" S6 b; y
30-506 Basements (Appendix G)" Q6 R! ~4 V% K! d6 V* k2 ~) K5 m& v
30-508 Storage Rooms (Appendix G)
6 D, N8 g& D. E9 F30-510 Garages and Carports (Appendix G)
, g/ i5 N9 ?: p# V T l% ILampholders
; h) E( N1 W P8 Z6 M0 r' Y i30-600 Lampholder rating with Incandescent Lamps
! x# @8 u9 [- c+ x: PN CANCEL
+ R; ~7 v# N8 m, G9 {30-602 Connections to Lampholders
4 k7 W' s4 K; }N 30-600
# ~$ ?' f; p" X1 ^30-604 Switched Lampholders Used on Unidentified Circuits3 T9 ~+ {7 a7 C5 {9 u
N 30-602% D# u- g$ U- X" V
30-606 Switched Lampholders with Pull-Type Mechanisms0 u8 \" S5 T L
N 30-6045 {7 T) _* \6 U* N
30-610 Pendant Lampholders
S1 T) _. t, H4 E# mN 30-608
. I# K3 v4 q, d+ [) Y0 oElectric-Discharge Lighting Systems Operating at 1000V or Less
- I- v( S0 @9 m/ p2 i; A1 P) d' e1 {30-710 Control (Appendix B)
" A, U& U) b' j30-712 Branch Circuit Capacity
' a; @; I6 e1 U, V }/ B; K$ yElectric-Discharge Lighting Systems Operating at More Than 1000V6 K: ^# V- B& B& G. q2 y
30-802 Voltages, Dwelling Units
. u e9 \; P& @30-804 control (Appendix B)
8 t: N5 @6 n2 r7 pRecessed Luminaires (Appendix G)
$ B% X( T/ S* ]$ Z4 m8 y- E30-902 Spacings for Non-IC Type Luminaires
- j+ J7 u6 z/ b, B( k0 J" C: n. Z30-910 Wiring of Recessed Luminaires (Appendix B)
! I/ v% {& Y* s% h4 l. H3 N f! R& Y$ LExposed Wiring for Permanent Outdoor Lighting
- X4 c4 k1 y! A/ i) W! M/ \30-1120 Branch Circuit Loading and Protection( I/ }: L1 {) W) }, S5 M7 E
Extra-Low-Voltage Lighting Systems
. \; Q' Z! J2 A- }30-1202 Sources of Supply( H9 R+ F0 R6 `: P
5 O( w8 c) v0 p
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)4 b: ~1 G, i7 W3 P& }" Z5 a1 [/ H
Fire Alarm Systems
) `2 B+ q, \: G$ h j( r0 E32-100 Conductors
9 S/ J/ @& S% Y32-102 Wiring Method4 U* b. S% r' o7 L" b d
32-104 Equipment Bonding- H$ E. R; \) ^! @ W+ ?
32-106 Electrical Supervision
# C+ z4 F$ C6 J( g2 ?' R7 L32-108 Current Supply- I% h9 q: K5 M: j0 ^' T! f3 Q
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)1 f# T) L9 M3 Z- G- \
Fire Pumps) h. i$ ]: e& O" G
32-208 Overcurrent Protection (Appendix B)
V% n8 u7 V9 ~# VN 32-206: Y8 x& j6 q! p! d
32-210 Overload and Overheating Protection (Appendix B)
' T( B1 T9 d3 S7 e+ v0 A% H4 \32-212 Ground Fault Circuit Interrupter (Appendix B)
4 n8 D; K9 a; @% B6 ?4 Z" E) Z& @ O# w
Section 36 High-Voltage Installations7 {, l. Y4 U# G1 E; ] p; D
General
7 Y: ~, C7 ^0 l' G3 p36-000 Scope (Appendix B)" ~1 a% N. x( J6 ]1 S5 K- |
36-006 Warning Notices% A5 E# N0 k5 R% J7 F& \
Wiring Methods
9 r" z4 L! f4 ^. K36-102 Radii of Bends+ ~1 d/ e5 ~1 B" c# o6 F
36-104 Shielding of thermoset insulated conductors# U- ? C+ c" D+ d* ^& S" S
36-108 Spacing of Exposed Conductors (1) table 30, table 31
( ]0 V# Q7 ~; B7 K36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34 a5 z6 C# R& R% X3 o' L ^
Control and Protective Equipment- x [. I0 \+ A8 G
36-214 Disconnecting Means5 _* b2 n9 e- M) I; q8 W
Grounding and Bonding! R A! s- h; o4 D0 `8 Z, d
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
' T; t2 j+ G* M9 o1 a36-302 Station Ground Electrode (Appendix B)
* T; ^9 \, C& ^/ C( J4 E M r36-304 Station Ground Resistance (Appendix B)/ P: T2 t4 |" ?: s
36-308 Connections to the Station Ground Electrode (Appendix B)! p; Q) X. v, W1 k+ ]( z) B+ B
36-310 Gang-Operated Switch Handle Grounds
9 t* K) N: t0 F36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations0 x- l3 P" h6 X; E# u
. M2 _' _* ~# C9 Q4 q; k+ f
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment9 N$ [2 h$ w( u3 D" N: e: P
38-002 Special Terminology (Appendix B)
' @, J5 ^$ `7 F9 R$ A5 Q38-003 Voltage Limitations (Appendix B)9 V4 {+ q/ v0 Z0 T7 y( V- k3 Y% c
38-004 Live Parts Enclosed6 n! U1 C8 K; p# l
38-005 Working Clearances
( o1 k" f' F1 _# V: \5 k38-011 Insulation and Types of Conductors
2 |9 P; F. i5 k8 l38-012 Minimum Size of Conductors7 x! F9 X6 v0 ~7 A0 \1 [/ J: L8 \# a1 ]
: Q% C! D4 J3 G% e7 e6 E6 c! \
Section 40 Electric Cranes and Hoists+ [. k7 a% `# i4 m/ N9 Q
40-008 Disconnecting Means5 E, f" b) J0 n: o) G# r5 e5 \% H
40-010 Main Contact Conductors
$ |; `& x/ r5 |0 {. m9 L3 Q/ p. X' x
Section 42 Electric Welders! f' Q5 B) F9 j2 q) L$ A
Transformer Arc Welders$ M2 s, G& G7 h, z
42-006 Supply Conductors6 O1 A: q3 q& L( O: h3 E
6 O, ]) Y* c7 o8 [) ~Section 44: Theatre Installations
. `- ~% ]8 _) U& T6 q# ?5 C+ n% nGeneral, n1 {9 s7 n* F( |0 q0 m- t
44-104 Number of Conductors in Raceways
) U. d0 X9 O& L2 R( h) `; m( N3 b/ K: t# H5 l44-106 Aisle Lights in Moving Picture Theatres% Z3 F3 J/ C5 J
Fixed Stage Switchboards
f3 y' w$ P! S6 h( [0 [* X44-210 Overcurrent Protection
1 ~& y o% y: K/ a: JFixed Stage Equipment
# \2 P) i* `2 G9 I5 k# u/ N44-324 Receptacles in Gallery Pockets1 c' V; w2 [- k; E
44-326 Receptacles and Plugs! H/ U$ Q& e* m5 E# ]& _
% y. m4 i" N6 _4 I$ kSection 46 Emergency Systems, Unit Equipment, and Exit Signs
& V) Q2 Y% i2 C. d2 ~! J5 AGeneral
, y# u5 n9 `: v% l/ {$ p, A46-102 Instructions
; b3 P$ c3 {8 b# y% f, {+ A46-108 Method of Wiring (Appendices B and G)$ u- ^3 y0 |, k- x: \( J
Emergency Systems
: X1 @1 ~) {0 a/ c5 x: I46-202 Supply (Appendix G)
5 L6 Z9 ^" O8 z# d46-204 Control
4 [4 R, ]: n2 P; m5 r! ]46-206 Overcurrent Protection
1 u) w/ l6 {8 [- G46-210 Remote Lamps8 ]; j9 [/ O, _( d u
Unit Equipment
3 ?5 f1 a. [; T4 X7 v1 F: q7 ~0 d46-304 Supply Connections
_6 u7 o3 _2 S, }! ~46-306 Remote Lamps (Appendix B)/ h( L6 z& M+ Z' k4 G/ ~( X
Exit Signs( u2 m7 n* x4 k8 x6 t9 \2 j
46-400 Exit Signs (Appendix B and G)
# V/ @, }+ I. R8 W* s6 p! }, M( v. J% m3 k* P$ @. o+ Q. K0 x
Section 54 Community Antenna Distribution and Radio and Television Installations
. j" c2 Q+ j1 ]$ s54-000 Scope# N% }1 ~. _+ k
54-004 Community Antenna Distribution (Appendix B)0 p7 J$ i+ ^. c5 W+ W' Y8 y- g
Community Antenna distribution# ^% Y4 S, ]4 H0 A* }
54-100 Conductors
# t; V5 X& a5 q! ~54-102 Voltage and Current Limitations (Appendix B)
4 J3 |/ ]" m0 l9 lProtection% }& B" H4 @5 B4 e8 |" t* S3 K
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)5 e) P$ z" c0 P- ~* _, C
Grounding
. C2 Y+ N1 `, R6 @3 v& Q$ x54-300 Grounding Conductor6 ]* V2 F" h: l# m* ]
Conductors Within Buildings$ g- Z+ T2 S1 e* S6 k7 I4 `
54-400 Separation from Other Conductors
6 r {* C/ C9 c) y5 L' \- A# y8 EEquipment4 W8 `: E2 c* U( b
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
6 c, \# x& V' F3 ?2 s54-502 Exposed Equipment and Terminations$ Y4 e+ X* k# A/ `# T) J) v
5 a% b/ b0 x. B% ~2 JSection 56 Optical Fiber Cables
/ l3 K) M0 Y: g' O7 }( OGeneral
; S* e8 T) I2 m; L0 ^, A/ l56-100 Special Terminology# @; s% u: W4 S0 R6 ], O
56-102 Types
# H! Z, [0 w. Y+ ]5 }# } o9 [7 xInstallation Methods3 a- f* c) @7 T( ?) o) E
56-200 Nonconductive Optical Fiber Cables (Appendix B)9 H" A! E8 \. G' b
56-202 Conductive Optical Fiber Cables (Appendix B)' a6 s" O% i: A0 B5 K
56-204 Hybrid Cables
7 l1 r' ?0 Z" ]9 |56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)* Q" J! L( R4 z
: q0 w& H0 M- X% X5 \' a( ^, LSection 60 Electrical Communication Systems) B3 i% m2 n7 j" Y! C" G) @
General' l- h1 g8 h# g* _$ }
60-100 Special Terminology
' K% C9 ^+ ?. n9 {% O$ IProtection) R7 O9 V' C/ A X; G3 |! q9 M
60-202 Primary Protector Requirements
$ Q6 u; l2 M; }8 C3 KInside Conductors+ X6 K5 W: E& k V1 y
60-308 Separation from Other Conductors
0 w( N8 z' J \- ?Equipment) H% P. K# b' Z5 l% b, F* f% G
60-404 Exposed Equipment and Terminations! y( O6 {6 M& P/ h8 ~
Underground Circuits
! U M8 Y+ ~ B! `7 [60-600 Direct Buried Systems7 }3 e" b& Y, N* `' O2 R* f8 Y
2 i$ ^( G/ k h4 C: F
Section 62 Fixed Electric Space and Surface Heating Systems
0 P5 B \3 N# d1 Q7 rGeneral
# Z; H2 f) C) [0 W1 P3 Z62-102 Special Terminology% m6 k, z# q" `6 } `- r7 [/ {
62-108 Branch Circuits
0 e' p8 {% `' p4 ?7 `, f, w62-110 Installation of Fixtures
' G9 |( B* U% l+ ^ L2 W0 O3 m1 r$ |62-114 Overcurrent Protection and Grouping (Appendix B) (5)8 N5 \( o$ T" L# o
62-116 Demand Factors for Service Conductors and Feeders (2)
7 {$ g: [1 Q! F' s- f/ ^" R62-118 Temperature Control Devices
+ y1 Y! s6 \, x$ }# ~( p( o62-122 Installation of Series Heating Cable Sets (4)(7)
' [8 s; M6 o% j' A% D) g! cElectric Space Heating Systems9 e- W2 h0 Z+ u% v
62-202 Temperature Control
/ N1 A! L2 V1 O+ q( E62-206 Proximity of Other Wiring (Appendix B)5 e: }4 l$ p2 D) J6 E
62-214 Installation of Heating Panels and Heating Panel Sets8 x/ W+ }% b" h5 c) _/ y7 Y) {
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings# |/ E5 u/ y" H8 l: H. ?" v5 V6 d$ ^; ^
62-226 Installation of Under-Floor Covering Heating Panel Sets: M! |4 M0 y. q( l8 J' y! T
Electric Surface Heating Systems
8 Y3 x. g* t4 J+ K" d62-306 Heating Cables and Heating Panels Installed Below the Heated Surface9 j, {8 J7 k) m0 j4 I3 S, k
2 L; d ~7 d# `" N" O3 q$ j: Q# SSection 68 Pools, Tubs, and Spas3 B& h+ o; b5 y: N
General5 m' s. U4 Z" R# O
68-050 Special Terminology! r/ b; J/ d5 o4 d+ Z" _% y
68-056 Underground Wiring - Table 614 R0 L7 Y0 B" k R6 `2 a" P: u2 i
68-058 Bonding to Ground (Appendix B)
/ {& q# F3 F; p6 y% T8 i; [* c68-060 Junction and Deck Boxes (Appendix B)7 x* t+ L8 f; l3 S
68-064 Receptacles
5 L* l6 A) [4 ?9 q4 ]) x68-066 Luminaires and Lighting Equipment# g4 f, b" X7 _
68-068 Ground Fault Circuit Interrupters (Appendix B)
1 S$ \" X: o/ l3 ]" y: a S" W! S* n& ]* T! B9 l) H
Section 70 — Electrical requirements for factory-built relocatable structures and
* V2 _6 d* c. M% B- v2 M M" jnon-relocatable structures
0 T3 L7 \( k& ?' n: d70-130 Tests (see Appendix B)4 G' v2 D+ t' A1 m/ n1 T
. J7 h8 o. B% B4 f+ ~
Section 76 Temporary Wiring (Appendix G)
2 O! u* h8 x; @" H G76-004 Grounding
2 s. n( Q! i* s76-008 Service Entrance Equipment% t' A6 H) R3 v9 y1 j
N 76-006
( z' @, e8 C9 i! T" ~* e76-014 Branch Circuits
& v3 q$ N- V. I0 }& z2 y% E, eN 76-0129 @6 A$ ^4 @: T1 F5 P
2 N$ N: B0 ]# k/ e8 E+ o0 P8 p
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours4 z7 r- }& H% N! R8 o& J1 L" f
Marinas and Yacht Clubs
7 P4 U2 V W. b( M* O: l, `78-052 Receptacles
$ t7 }) [) X" L) n* c) y) o) b9 |78-056 Feeders and Services o, i [, D. j# c5 p5 ]
Marine Wharves, Structures, and Fishing Harbours3 e, d. E% N$ t2 T+ m8 H8 d& n
78-106 Grounding and Bonding
! x, @: g( s. r: g" ?Tables
# _' k* p7 D4 [: \: S1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65. N" c3 \) F2 f( Q& E! d( U$ R% z2 y
7 G! L( \3 ]8 B: w. wDiagrams: 1, 2, 7
% {2 D6 M$ H) ?" y% ]2 d; s" g& _' R2 f! M7 v4 M9 n$ R R
Appendix B
: S7 u r" ~, |! KP352: Ground fault circuit interrupter- 6mA+ O4 f/ _$ n( Y, A H f2 x4 T
P354: 2-126 FT1, FT48 \* A [5 u" @; x) N
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
. n" n* W3 n# |$ w T; e" E3 CP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)/ I2 [* {! Y7 |' g# B
P370: 12-1012, 1118, 1214 Example:
3 w( ], ]7 N2 s2 N" w- e7 x$ x2 V5 G4 pP371: 12-1108
8 |. \3 ~& Q+ n$ e2 n4 V, hP381: 18-108(1)(b), 18-158(1)(b)8 J) _: t: E' Z0 o8 q* E3 w* J( A
P386: 24-206
& c( d2 z/ @" }5 \2 a( yP389: 26-256: n' F9 _$ M- g
P391-P393: Section 28, Example to determine Motor Conductors and Protection
# B8 H* m8 f' a& l9 q1 B; x% Z6 j% Q$ s9 s% y2 \3 D( o6 w9 r
Appendix D' _3 i) s% L) p6 i* J9 R& A
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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