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Canadian Electrical Code Review Guide9 |/ o, x' q4 ]8 } {7 \
For the Exam of Electrician For Red Seal License* v3 _! V. F- F5 j1 F8 s' z, R1 v5 Q
* C5 q* o. `- S7 W
Lesson One
6 U% S! w" j- z; g- ]& Y* w7 CSection 0 DEFINITIONS4 m2 ` G, K$ t& c! x- R
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
2 I$ H h9 Y& u# Q- f" `7 m% a( nAccessible as applied to wiring methods
+ L$ y, s- U( V$ ]4 }6 D9 JAlive or live
: v, i" K- V3 Y- fAluminum-sheathed cable$ {7 i- q/ I9 C, } U: W3 Q: Y
Ampacity
~& Q; D2 A# b `Authorized person
$ a9 Q" x l8 nAuxiliary gutter
1 y: B r+ Z' I) Z% r/ N, f9 x% OAWG
t; e' v9 V1 r' j5 VBonding
( m* m1 w# e5 O+ fCable tray
+ ?0 E- h0 [* l3 V! |Cellular floor) v) E# } {% N
Branch circuit
. I% y' E% u c6 i4 b3 ^" LBus
) [- D* B& _ t3 ?; LBusway) I" ^% v( [8 {4 M
Communication circuit
* L" H& F. t4 K7 ZExtra-low-voltage power circuit
^3 W5 L# Z- u' t; qLow-energy power circuit
( F! J2 r" d$ W6 sMulti-wire branch circuit
& a4 ~: A6 O5 R5 [0 W4 h: z% fRemote control circuit; l- E, i* k3 U6 s3 \
Signal circuit1 Z" H; v" O3 N( r1 X& s9 B8 f
Circuit breaker
% l5 Y& a, O0 x# b6 h: V# N0 XInstantaneous-trip circuit breaker4 ^. N8 ?2 k! ^+ V
Conductor
/ ?, X) S. ~' s- _6 rConduit* h" }) T! `1 s8 @1 O& a! T
Flexible metal conduit
& o d# k& b+ A( j. x0 _7 l Liquid-tight flexible conduit
8 |( X( R4 k' T P Rigid conduit5 d' v4 K1 w( ?( C! W
Rigid metal conduit
& \" S' _; l4 F- V, g4 F* c Rigid nonmetallic conduit0 H3 z0 d4 g+ `6 Q& k/ |$ T
Rigid PVC conduit
8 y. o% r" y4 X: V; D* ?Connector
% K8 K: y! l6 \+ \% B) U# r9 [ Box connector
+ u! \8 ~* f6 {6 O8 c3 Z4 | Wire connector
p" O& L3 v+ O; k% l5 J7 u dController
/ E# M. j* N* r) V- `0 \ JDisconnecting means4 E7 q( L0 _8 ~
Dust-tight0 O6 i; I' [) J
Dwelling unit
$ Q: h" M# A. |9 i9 w* L. r5 uElectrical contractor1 }# \0 G0 W& H0 F
Electrical metallic tubing
9 }! W; ?4 U! q& O- iElectrical nonmetallic tubing* x$ h- W+ Y% M( |6 O
Emergency lighting( h0 j$ K, K0 F
Explosion-proof
7 h1 Q T% Y2 F2 lExtra-low-voltage power circuit5 O% f5 z W% ?6 }' q6 v0 A) `
Feeder5 K8 f0 v" T2 h) s1 d8 z3 F* s! {
Flexible metal conduit
! E) T. o6 {: w: V, f' U* h0 ~' vGround
# R$ p2 |* f* G1 Z& KGround fault circuit interrupter& E# k% g/ `+ W" A
Grounded
9 i- J+ C- L! @+ y( T7 ^- `1 h* ~3 lGrounding& R- @8 [5 Z' X" n, F+ |. f
Grounding conductor7 { }4 K% h* [# q# S8 [' j
Grounding electrode8 r) Z g5 H" A( `
Guarded
' [1 X( E7 y. j S% \Hoistway0 B2 P J1 x9 Q" c& H
Identified9 k' D" z8 R! O: s! i7 V6 v+ {
Lampholder
1 W# R0 c/ b4 \+ M/ {# u3 q, o ULow-voltage protection
% B- b7 h1 w, t" g2 e: NLow-voltage release8 h6 a) @0 ], v/ R4 |: G
Neutral
& j2 _1 G f/ ], O7 nNoncombustible construction
- X7 x" }7 B0 l. Z6 ~Outlet
2 Z4 b4 q4 I: r' DOutline lighting
3 D+ B3 W9 O& v' IOver current device, n, t# z+ R1 m6 m9 t
Overload device
" P# d- o0 c' f8 p) @6 z5 L% a1 S6 JPanel board0 M' I# H" E. v! t5 {
Panelboard, enclosed
. K& {7 U, f" dPermanently connected equipment* v* n% l; O" ~% u
Permit
+ _# H0 P/ d h, P: o8 \( }; Q& ]Plenum
! V; i, I: t* {7 M! j4 pPortable as applied to electrical equipment' E7 f* e5 I% |
Portable ground fault circuit interrupter
8 e9 G- Z& V3 w, JPower supply cord
- J/ s$ D: P4 t. K8 W6 E2 g- sRaceway
2 ^$ P3 d4 ], {5 EReceptacle
- d9 ^8 Q+ B- `) a. X Duplex receptacle- a5 O# ]* \- g& h
Single receptacle
4 _: T4 s$ g1 j* S' ?# a6 w Split receptacle
% @' f) U: T5 v& F5 |: EService, consumer‘s
% o0 i+ G: h4 U2 F9 A( C D5 h& cService, supply
+ h# r m5 v/ [8 oService box2 m, b; I% R$ f! C* V( Z' c
Service room
) S8 j( y, D i( w+ DSingle-dwelling* |2 v# W1 o) ]% g+ d2 e
Slow-burning as applied to conductor insulation# ^0 D6 n- a0 {% d; @, U b
Splitter8 T( b4 A! G7 H+ V4 p1 \6 y
Starter. G7 ]7 i e, C+ O* d& |
Switch# o; V/ L$ k; Q3 r' d6 e4 r
General-use switch5 g! P# a/ a8 w1 ^) d" Z& y2 f
Indicating switch# q$ I1 H+ [1 \8 Z
Isolating switch" w7 A) l5 N$ S0 `: L( L* `; T
Motor-circuit switch
' k2 u0 `3 b5 C* [; T8 LSystem6 H3 {, A9 H1 s, x
Communication system9 `0 Z. c* M( w) H- h
Community antenna distribution system(CATV)
1 ?# F' u# H/ a$ \) q- ~ Grounding system1 `, ?2 Z6 P& D) H: _ C
Underfloor raceway9 Z0 P& h* Y" I, G n
Voltage:
; z# _4 I- W, i% q- P& X Extra-low voltage) ^' Y" t( F2 B
High voltage# B" I( u9 c5 e9 d
Low voltage
8 n. m% Y) j0 n" G# Z: M# CVoltage of a circuit7 R/ _8 R0 l8 ~6 g1 H* a9 Q& M
Voltage-to-ground
- \; v d. Z7 U; O! d# yWireway
' n3 j b: _4 J0 J" s/ X' {2 A4 b! U4 i0 p: g& `- D
Section 2 GENERAL RULES
- C# _6 t2 }# k2 n! v4 V3 ]$ {: S4 jAdministrative. Q1 L" K( t0 x. ]- M
2-018 Reconnection
6 u! X7 k+ g8 t/ Z) q, k Z2-030 Deviation or Postponement
# q8 k/ q2 j3 e& o7 N% r1 g! FTechnical General: c! m5 y8 G4 \9 P+ o0 v1 t
2-106 Circuit Voltage-to-Ground – Dwelling units0 s) U, ?6 U7 F/ x6 q
2-114 Soldering Fluxes
0 D0 A' h0 j1 E! ~+ O! I2-116 AWG Sizes of conductors, x/ O' ]) O( e$ t' X6 U
2-124 Fire spread (see Appendices B and G)
! \( Q; a5 V0 |' F* X& |2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)9 x% a8 d+ x2 N+ D c+ v
Protection of Persons and Property: h: D8 }) I& { Q! ?) i7 f' n
2-202 Guarding of Bare Live Parts6 B& X' J, k1 D7 `4 s
Maintenance and Operation
0 I- w* R( W' G6 S3 t* M% j2-304 Disconnection6 Y) L9 n; X& Y, N2 `& Z7 K+ }
2-306 Maintenance of Live Equipment1 e& j+ `8 J1 Z$ b s3 _
N 2-306 Shock and flash protection (see Appendix B)
( E+ t8 z! Y& s! Y* x2-308 Working Space About Electrical Equipment: Table-56
. S& N2 K5 d% s5 A, A: R& w2-310 Entrance to, and Exit from, Working Space5 G2 O; a6 g1 j/ R
2-320 Drainage+ `& L7 M( a/ A- o% L e, M& z
2-322 Electrical Equipment near combustible Gas Meters and other Devices8 r6 t5 M! K% d: e3 y
Enclosures
$ F1 _" \( Y- \' D2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 8 X8 H W" x: g
2-404 Marking of Motors: DP, WP, TE
[8 R2 E5 a* k7 l H$ T( W
+ d% Z: b4 u$ s USection 4 Conductors/ j1 w0 o ^3 T1 {7 o
4-000 Scope
) J5 z7 e, f# R0 m4-002 Size of Conductors: 14#, 12#- _ Q0 A4 w0 K! K m
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36% M# i! g' L# I( k2 {# E
4-006 Insulated Conductors: Table 19) ]* V: _' a8 Y
4-010 Uses of Flexible Cord: Table 11
, Z8 y& e- W& V2 h. j4-012 Sizes of Flexible Cord
* C4 o- A$ Z( g2 s# d$ P4-014 Ampacity of Flexible Cords: Table 12, o" t" y0 Q+ W u& h3 n" n+ z( b
4-018 Equipment Wire
7 B; j/ U! n7 J' W5 V. P7 b4-020 Insulation of Neutral Conductors E8 }6 s- s: r5 a% ]! c
4-022 Size of Neutral conductor5 f6 m4 |( @; }3 e; [
4-024 Common Neutral Conductor! X/ ?. V- y4 C: p
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
6 W8 u$ p# i8 v4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
* F6 ^2 {( y2 p ^- _! r/ k5 u4-032 Identification of Type MI Neutral Conductors$ k A+ @2 Z) K9 n& T- X$ X
4-034 Use of Identified Conductors V& w1 h, A* X4 j
4-036 Colour of Conductors: Phase A, B, C, …
) {& r/ ]( ^# V- E! z) p9 v( M
: H5 X5 A7 [* N# \+ z+ E+ M- J& R2 ~Section 6 Services and Service Equipment
, d/ V9 F$ N6 JGeneral" e) }4 m+ {- d' D$ `. }8 k0 b
6-102 Number of Supply Services Permitted4 m2 v: _& E1 W
6-104 Number of Consumer’s Services Permitted in or on a Building
, I/ i8 [: H) X6-108 Supply Service from an Electric Railway System
" L; b- q! ]4 H6-110 Three-wire Consumer’s Services 4 N( v9 r; n6 M8 }( n
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors" y$ f. F% K2 P$ `6 p% I, r
6-114 Methods of terminating conductors at consumer’s service. _2 }; D! @/ {9 O8 r p: S9 e
6-116 Consumer’s Service Head Location
; U0 k0 Z- m6 v0 |4 `2 zControl and Protective Equipment0 @- O! P) \+ l6 {
6-200 Service Equipment1 m' v0 o r7 y+ k$ H
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)4 O8 a2 z/ w1 s
6-208 Consumer’s Service Conductors Location
7 B3 {6 d T$ m2 C2 n) `; \6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
! } s) _3 X6 V3 c6-212 Wiring Space in Enclosures
3 d+ ?! t. I1 f$ r& `: j6 r' M2 B6-214 Marking of Service Boxes0 ~2 H, u4 v1 z: Z/ z
Wiring Methods
2 [6 q6 G2 h7 n5 k8 e# Q* W6 [- R6-300 Underground Consumer’s Services
' e, e: D% w" @" r, F, [0 F6-302 Overhead Consumer’s Service Conductors
9 H* ]. U1 h* s& C6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable5 p* e& p. _( K. d v$ _% O
6-306 Consumer’s Service Raceways4 X' t' X& d. |* C/ G h8 ?+ s- f" ]$ ~
6-308 Use of Bare Neutral in Consumer’s Service
$ G, }8 y% u% o/ O" O; d6-310 Use of Joints in Consumer’s Service Neutral Conductors# H" e& [# j# \ X
6-312 Condensation in Consumer’s Service Raceway
4 h; B' N: r# {2 H, Q: UMetering Equipment$ {6 i6 N% c0 f' P* v# m
6-400 Metering Equipment
+ |; Z/ F4 @5 S6-402 Method of Installing Meter Loops
, q1 }' Q8 _9 D4 }; p$ j6-404 Enclosures for Instrument Transformers
# B& T, X: M% w0 I6-408 Location of Meters
4 _0 T5 g- o* ~2 [
& O9 _0 X: _ ?Section 8 Circuit Loading and Demand Factors
2 z( i0 s& e m& P- p gGeneral
0 }" c" h* O- I! z1 Z8-100 Current Calculations$ V8 Y% M, N: b
8-102 Voltage Drop ( see Appendix D)
& \% f w* s8 a9 B' w- [5 a6 ]3 n8-104 Maximum Circuit Loading, S! |) n) M0 a8 h5 ~3 r
8-108 Number of Branch Circuit Positions
# _5 B1 B- D( r& J. ~7 C8-110 Determination of Areas7 J. l, j8 a! o
Services and Feeders! a4 Y \2 H: ]: l4 e
8-200 Single Dwellings (see Appendix B)2 b0 l. O2 r* S$ u* q. K
8-202 Apartment and Similar Buildings
5 H' A+ {0 m/ b+ p7 |' S8-204 Schools: {. R8 i9 n3 Z* ^; B" p
8-206 Hospitals: D2 R, p0 q2 ^' ~) E8 s
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
( {* V' a8 y8 u& U, Y: ^! Q: r8-210 Other Types of Occupancy (Table 14)# f/ G$ Z2 f1 E! Q$ f1 w L
8-212 Special Lighting Circuits& V+ A/ x7 H6 ?' z) p% ^! L
Branch Circuits* b7 {/ f! Y! v3 `( d
8-300 Branch Circuits Supplying Electric Ranges. |5 I! X" f& ^1 G1 Q g
8-302 Connected Loads
' V: l$ N' U4 [2 a0 v5 b K3 b, n8 V* H. P; o3 c8 ]
Section 10 Grounding and Bonding3 W$ k+ c+ m7 M) l8 t8 h" k) N
Scope and Object
5 |, ?& m9 v; J$ w10-002 Object
6 j6 P1 C( F- B; m8 KSystem and Circuit Grounding& t3 v' i3 T, q$ \5 W* V
10-102 Two-Wire Direct-Current Systems) W7 k* n, |* g7 M
10-104 Three-Wire Direct-Current Systems; K0 w: M1 Z! S6 s* s0 k4 A
10-106 Alternating-Current Systems
, \* o& {% s! ]" ^6 T0 k10-110 Electric Crane Circuits9 I( k* h& G! d9 E! D' T
10-114 Circuits of Less Than 50 V
. S" q, r# u! c2 k0 W* k10-116 Instrument Transformer Circuits* S' h0 y! ~) S3 H( k9 r4 Q$ }
Grounding Connections for Systems and Circuits
' }2 d+ A. c% _8 m6 M) C' G8 Y10-200 Current Over Grounding and Bonding Conductors
1 E4 y/ V- R* R% m& X; @10-204 Grounding Connections for Alternating-Current Systems( y5 K; @% Y* f% g5 H# f
10-206 Grounding Connections for Isolated Systems( G% Z& M% _# [% v* R$ ?* k
10-210 Conductor to be Grounded) M4 B. K3 i8 L: p' Z9 Y% U' J/ P
Conductor Enclosure Bonding
7 `9 ?4 d' Y* K$ l10-302 Other Conductor Enclosures7 E- {. d( n- T
N 10-304
( c$ O6 X P9 h; Q" eEquipment Bonding
* T2 q4 K( c/ r* q7 L1 c5 c4 y10-400 Fixed Equipment, General! I- m {8 Y# l2 E1 a2 K
10-402 Fixed Equipment, Specific (3), (4)
0 N6 d, i! A/ ], z, `# n+ j10-404 In Nonmetallic Wiring Systems+ H( m3 D% U5 V# X: g
10-406 Non-electrical Equipment( u% \" K. r) }, v' \$ e9 A
10-408 Portable Equipment (4)(b), `1 v: c$ a: C) f* l
10-410 Instrument Transformer Cases
, l. d# A3 c. Y10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
) b: Y* b) ^8 a$ i% o$ _10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
' M$ e; ]+ Y8 L- V- V. kMethods of Grounding
, \7 q# v' b5 u) {+ N10-500 Effective grounding (see Appendix B): p/ M* E" W2 s6 A/ L- j
10-502 Common grounding conductors# R& i% c& {; s8 X
10-504 Common grounding electrodes
- c _7 H4 P J" w0 [- W. jBonding Methods
" g- y% ^) k; e; M+ c3 }10-600 Clean Surfaces
' B6 m) H) C7 `1 e& ]! I3 Z10-604 Bonding at Service Equipment
6 \" s- }$ x1 b1 w5 u, B7 h' {10-606 Means of Assuring Continuity at Service Equipment
/ G) m( H: I0 t! ~, R/ f- ?5 j# z10-610 Bonding at Other Than Service Equipment
6 K4 O' F# w. O; J) R10-612 Loosely Jointed Metal Raceways
0 [5 F ]5 M7 G6 N2 K10-614 Bonding Jumpers Table 41
8 b1 R; F1 @; Q2 ]1 |4 V6 }Grounding Electrodes
, j5 i0 E: Q+ Z10-700 Grounding Electrodes
0 r+ T7 `% z+ T7 Z! [% A& Y8 i, ^10-702 Artificial Grounding Electrodes1 y# B! I/ D0 b
N 10-700 & 10-7024 B- e1 D9 O6 t
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)) y. z0 k( _- K7 a. W9 i
N 10-702
2 E9 B2 v7 v* C10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding. Y2 I& y) Y3 M
N 10-702
" z8 _) n, b) |7 H: y10-710 Use of Lightning Rods (Appendices B and G)
5 j, o0 ]1 C: U5 Q/ O2 x: wN 10-706
* V9 A; c. V6 o+ C6 P8 tGrounding and Bonding Conductors. A7 s5 Z2 t' \* ~" O+ G& Z
10-800 Continuity of Grounding and Bonding Conductors0 I' k& [& c$ _
10-802 Material for System Grounding Conductors; Q& X9 o3 c# |
10-804 Material for Bonding Conductors/ Q- m% \' @/ H
10-806 Installation of System Grounding Conductors: B) f1 [: O: U) M
10-808 Installation of Equipment Bonding Conductors
2 M) o p* P( z5 `7 y8 G' y* v) W; Y10-810 Grounding Conductor Size for DC Circuits
7 L8 S j0 n7 ^10-812 Grounding Conductor Size for AC Systems (see Appendix B)
m% r: q5 q' z10-814 Bonding Conductor Size (Appendix B)
2 E j0 M- V: F$ i# I10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment: Q5 z1 K# H; y: x
10-818 Bonding Conductor for Outline Lighting
" `- ~- `; X- q# [10-820 Bonding Conductor Size for Instrument Transformers: I, p9 V* _: |
Grounding and Bonding Conductor Connections8 f" i: M* k; j! f7 r
10-902 Grounding Conduct Connection to Water Pipe Electrodes5 n' I& X0 u( M. W) G
10-906 Bonding conductor connection to circuits and equipment
/ O3 d# q) F0 ~10-908 Grounding Conductor Connection to Electrodes# @8 C0 Y4 ^, I4 u; y( m; h" H' ]
Lightning Arresters0 x: O4 F+ q) D5 n9 z2 G
10-1000 Lightning Arresters on Secondary Services – 750V or Less
% [' N3 u* b$ a
5 g/ @$ j& j0 y7 U# x9 MSection 12 – Wiring Methods
! @+ j$ M3 Y0 X( m& BScope
+ b* M5 j$ {. Z) x: J. q* T12-000 Scope (Appendix B)
. @; w/ T& D1 W; t, z7 w- ~5 X& E% lGeneral Requirement& S/ I& p" Y$ e; v2 b
12-010 Wiring in Ducts and Plenum Chambers
: }$ U+ r) D3 X' F/ @: ]* o7 ]9 A12-012 Underground Installations (Appendix B)
1 m- G# t$ G# T: w12-016 Lightning Rod Conductors
( ]5 \/ B0 D( J4 G h! g" ^Conductors - General% G- M+ h3 H3 j' c! T
12-100 Types of Conductors (Appendix B) Table 190 x+ f& v/ d" n9 D0 q1 h
12-102 Thermoplastic-Insulated Conductors
- Z! R" O5 W5 ]' O. X9 f3 a7 u12-104 Flame Tested Coverings
1 p9 P* z4 s& t, y+ T- m12-106 Multi- and Single- Conductor Cables$ I1 v% [9 g9 J1 n9 f
12-108 Conductors in Parallel (Appendix B)
5 i b, Y7 B- F. X9 p8 [12-112 Conductor Joints and Splices
% V& J2 U* {* R7 d12-114 Ends of insulated conductors5 P) y) a7 W/ [5 {6 _; K
12-116 Termination of Conductors (Appendix B) M% U# m, @4 W
12-118 Termination and Splicing of Aluminum Conductors
Y& T3 l) w3 I0 l" H$ S2 ^" G12-120 Supporting of Conductors - Table 21
& P* Y# p$ u* A0 k, Z6 BOpen Wiring
6 y6 m: Y2 A" t+ J8 F12-204 Spacing of Conductors2 E, D! ^7 u7 ?3 w% h* _
12-206 Conductor Supports
5 C" a1 \: Z) z9 Y. P12-208 Conductors on Flat Surfaces% _6 i3 `- I S. w# t( `
12-212 Protection from Mechanical Injury
: R9 L& x* @4 g- V+ TExposed Wiring on Exteriors of buildings and between Buildings on the same Premises
3 E+ G* t* h7 O( f$ ?* i* c12-308 Minimum Size of Overhead Conductors2 M4 I3 ~ q9 G1 B
12-318 Use of Neutral Supported Cables
% O- B9 d' w2 n% ?$ O# U$ sNonmetallic Sheathed Cable N; `" r' n& U4 U* H- u. k
12-502 Maximum Voltage
9 f; `; Y5 U& N) _1 Z8 i12-510 Running of cable between Boxes and Fittings (Appendix G)7 W4 d* ]6 ]* i, {9 H
12-514 Protection on joists and rafters
3 O0 j* U1 d! w+ a* c2 s12-516 Protection for Cable in Concealed Installations (Appendix G)6 m/ h" n4 Y7 R) f* p% {
12-522 Where Outlet Boxes Are Not Required
1 L. q. }8 E, d jArmoured Cable
, d/ b+ I* ? p! F8 F7 f12-602 Use (Appendix B)/ }( d( ?7 `* q& P; G3 T' x4 u
12-604 Protection for Armoured Cables in Lanes
6 E# {8 P: b. Q5 D12-606 Use of Thermoplastic Covered Armoured Cable
+ W+ O0 l8 H* t- a) C$ _12-608 Continuity of Armoured Cable
" i w6 X5 D* G6 A; A8 {12-610 Terminating Armoured Cable
* z( r) f9 d5 I12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
8 W9 o5 h* V K' C$ U" U12-614 Radii of Bends in Armoured Cables# d; E2 c9 c" V9 Y$ |2 `& c
12-616 Concealed Armoured Cable Installation
. F, @+ F: d1 l) x( A0 ]12-618 Running of Cable between Boxes, Etc
0 u* O. z8 s% ]. |# aMineral-Insulated and Aluminum-Sheathed Cable
4 h% c# z$ F* _3 S12-702 Use6 V* D' P9 C3 Y% Q' j& d2 B4 [
12-704 Use When Embedded
$ @" H3 D4 }5 h% l12-706 Method of Supporting) t( B$ n5 i" ?. O2 @
12-708 Direct Earth Burial
% T3 s8 k; u7 {( f6 Y12-710 Mechanical Protection
+ w5 K+ E) ]: A2 }" T4 H; w7 I12-712 Radii of Bends
4 c2 z7 a& c1 D& @2 L3 @$ B12-714 Termination of Mineral-Insulated Cable (Appendix B)
/ o. ]3 h3 w+ {, l1 ?12-716 Connection to Other Forms of Wiring9 y7 ^! W/ z9 e9 D! N
Flat Conductor Cable Type FCC, ~8 U4 p8 `/ r8 D
12-804 Use Permitted0 _5 H$ v1 ^3 h3 ?# j6 m
12-806 Use Prohibited
/ T, Y5 a7 w7 s, E: k6 D' P12-818 Anchoring
- \ S' _* T6 { W12-820 Crossings, ?$ N. j( F/ Q5 v
Raceways - General
8 ?2 D; k! H; G0 ~9 A12-904 Conductors in Raceways. n0 ]9 M7 {1 a! r. ~. j
12-906 Protection of Conductors at Ends of Raceways% _* v8 f9 `# Z3 _/ _
12-908 Inserting Conductors in Raceways
\; B \" Q5 J+ |9 v12-910 Joints or Splices Within Raceways
9 w6 O+ H" d3 [" X6 O& F& |12-912 Stranding of Conductors; S: h) Y3 Z+ k! ?3 d) L2 N
12-914 Electrical Continuity of Raceways
* P- x3 [; e3 i1 E+ N0 N8 e) m12-922 Radii of Bends in Raceways2 _7 M* ?3 Y, B5 N6 E, @/ }
N 12-922 Radii of Bends in Raceways Table 7* d* O. S/ F, }. m
12-932 Protection for Raceways in Lanes9 ~) N4 P: `2 M' f' h( s3 R
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
' w0 m2 F+ H2 x: B0 t% b12-938 Capping of Unused Raceways/ D |5 e' E& |3 K
12-940 Maximum Number of Bends in Raceways
6 e9 \/ k. d+ _& LRigid and Flexible Metal Conduit
( N% e$ i1 q$ y6 | X5 z12-1002 Use
( u' ?' J& l. W12-1004 Minimum Size of Conduits2 }# ~$ v) i( M0 B' G
12-1006 Conduit Threads (Appendix B)& q# m) T$ W6 e7 I7 G/ n# H+ K
12-1008 Thread Engagement! D/ K8 {) X! H, o! M' [7 S! D# W' ]
12-1010 Maximum Spacing of Conduit Supports# S3 ^& a$ W2 B1 U9 Z- A# n
12-1012 Expansion and Contraction of Conduits (Appendix B)8 P5 F2 N8 ?0 j, c9 B; m
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
/ M' ~0 I9 I- t8 U! I' s1 v: MRigid PVC Conduit and Rigid HFT Conduit
, v1 M# v6 g. f# D. S12-1100 Use
4 J! |+ h$ e) C/ q' y12-1102 Restrictions on Use! R" o4 Y# Q3 ?1 Y; i
12-1104 Temperature Limitations (Appendix B)
, r% a) A6 t' t" f12-1108 Field Bends (Appendix B), (2)
( r+ i, B- ~. t* P" h12-1110 Support of Luminaires! d4 W9 S* `( g$ t; @4 r8 T
12-1112 Fittings
. X% ]. q1 j* ^% i+ l) k$ O4 a12-1114 Maximum Spacing of Conduit Supports# a2 h* |/ T$ p* W
12-1116 Support of Equipment
# i: J [, ?3 H/ p, x* q12-1118 Expansion Joints (Appendix B example)0 m) \- I& E; H, g
Rigid RTRC Conduit
& i1 e- O6 i. j) l12-1210 Temperature Limitations
8 P8 ^* y2 ~; b2 d8 g12-1214 Expansion Joints (Appendix B)
4 V0 }8 C$ t( ?0 A2 KLiquid-Tight Flexible Conduit
, W, O# |# |; g; {- ^12-1302 Use of Liquid-Tight Flexible Conduit
) ]) f) G: r+ z+ j5 r. ]4 F12-1304 Maximum Number of Conductors) y6 ] ~* _; N$ s
12-1306 Provisions for Bonding
5 r, N8 q$ m9 W- O3 V' HElectrical Metallic Tubing
& G5 x/ J3 N j( B12-1402 Use
. K# j7 Q* X W& _! w12-1404 Supports1 E0 ~" p- m* ~. k' P, P
12-1406 Minimum Tubing Size" Y- G6 o" F7 Q% e& Q# W
12-1408 Maximum Number of Conductors
! Y- W$ k1 u6 M12-1410 Connections and Couplings
% i( V6 k2 T( S4 m- t2 W12-1412 Radii of Bends in Tubing% ~8 t: Z5 C4 l
N Table 7
: y3 N0 u* u0 R5 R0 Q0 O- [Electrical Nonmetallic Tubing* w/ k4 y& t3 W' D6 [( t9 |
12-1516 Provision for Bonding Continuity
3 o3 T# D. j L3 H; V; BN 12-1514
; P3 \) Y! G$ L) H( L; zSurface Raceways0 x4 w7 O# S' o) y
12-1602 Use of Surface Raceway (Appendix B)' _( D# L& \& L/ F# k7 v& r; u
12-1604 Temperature Limitations
8 J; @$ V5 E; T0 H0 a12-1606 Conductors in Surface Raceways (Appendix B)
+ Q8 }7 M2 f: U4 R2 A5 }12-1608 Maximum Voltage
M* }" r. W3 [12-1610 Joints and splices 5 Y& a3 k& f9 b6 P$ K
Underfloor Raceways# {! m' I, c! M5 f# b, a
12-1712 Discontinued Outlets in Underfloor Raceways% ?/ @5 d+ A" m1 _% j! Q
Cellular Floors
6 G9 I: U4 m/ h+ A12-1804 Maximum Conductor Size in Cellular Floor: D9 }& p2 j2 ^
12-1820 Cellular floor discontinued outlets
$ }5 f( t: Y9 J' s3 J( D4 dAuxiliary Gutters; S: g5 W+ y2 h0 _: S; V8 v
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces0 S% c, V) ^* \3 {) H3 M" i0 D/ l
12-1902 Auxiliary Gutter Supports
# x7 e# u) [ C; W" @ G12-1904 Auxiliary Gutter Cross-Sectional Area
5 p' n% h5 ^. D7 `& Z& `" z- CBusways and Splitters& D7 q- z( l) ?5 p# T1 b/ r
12-2004 AC Circuits in Busways and Splitters
2 A- G' Q( a G6 K' a" U12-2006 Busway and Splitter Supports! o; F6 J9 p' ?2 z5 Y5 L! U
12-2008 Method of Installation of Busways
/ ^ \' f3 \4 a& G3 S" ?12-2012 Reduction in Size of Busways
1 b) H- I9 U. D12-2014 Length of Busways Used as Branch Circuits2 X1 ?% U4 w; B1 B- k T( H2 G! e9 O
12-2018 Taps in Splitters
& d4 D" H2 \7 R) [% H; Q' S/ T MWireways
( I- \. K# d* X5 M3 G12-2104 Conductors in Wireways$ _/ ?3 l! k) e) ]1 V
12-2106 Taps and Splices in Wireways
& [0 ]; `5 r6 l- Z Cable Trays
! C$ C, G- {7 X' o6 H2 j; B& R- m12-2200 Method of Installation (Appendix B)% e: D& [; U3 z- C0 {/ S( J8 ^
12-2204 Joints and Splices Within Cable Trays- c# d7 D# c; y4 X: I
12-2208 Provisions for Bonding
: j* o8 j, Q/ D' C' \9 F12-2210 Ampacities of Conductors in Cable Trays( w- @/ [+ q" B% p" O/ J# m
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
% ?) F% C9 h! g, a; Q ~12-3000 Maximum Number of Outlets Per Circuit
# ^, y J2 V+ z# z6 E& O+ D' Q. E BN 8-304' @) i+ O! R, ?1 ]$ J2 E$ U
12-3002 Outlet Boxes (Appendix B)
. ~& X/ f- g* F3 [; g" PN 12-3000$ w# |+ s- H5 ^
12-3004 Outlet Box Covers; @! f9 p% B7 F* h* Q8 U
N 12-3002
- {5 P; M2 X% T3 t, k12-3010 Boxes in Concrete Construction
5 U9 i* A7 N% T7 D2 hN 12-3008
( ~7 x/ A' c4 M- ]- s; H) M12-3012 Outlet Box Supports
: y1 K7 o1 }3 s" Z* RN 12-30102 E7 h! ^5 u% g* d1 ~, A
12-3016 Accessibility of Junction Boxes
2 `2 S+ z$ c- w( I+ y- tN 12-3014
% u9 t% h) t6 x7 z12-3018 Flush Boxes, cabinets, and Fittings% R. b ]9 q3 l5 N( j
N 12-3016
0 a- j9 d2 e* W" \% Z' c$ M' z- T( u12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
: _" {7 f: \9 l2 ]0 K; a z* S- tN 12-3022
. z0 j# ^! I) i5 {- k$ O12-3036 Maximum Number of conductors in a Box - Table 23, k' U9 u1 X# V% T+ V
N 12-3034
( V, r3 S8 u8 i4 C) F K12-3038 Pull Box or Junction box Sizes
: z8 y9 S" ~8 b+ @ _2 cN 12-3036
( A$ N. c) [+ N9 c: }" g. I' b4 s! i8 t1 ?' I7 k9 S e
Section 14 Protection and Control4 j- n- {0 V- \- s
General Requirement& Y5 [! w, k8 d/ r+ N( _/ k
14-010 Protective and Control Devices Required
. u6 J0 P- B' A0 l3 `% H0 f14-016 Connection of Devices) F3 @8 W9 B$ B d: {! p
Protective Devices – General& u$ s0 E$ ?3 T* ]: J( T
14-100 Overcurrent Devices Required
/ q0 S; a4 Q7 w8 z14-102 Ground Fault Protection (Appendix B). t6 D8 t- \+ O" B5 F' p4 T \$ u
14-104 Rating of Overcurrent Devices (Appendix B) Table 136 d' ?& |) c4 I) Q8 O |) i0 b
14-112 Overcurrent Devices in Parallel0 ], u: E0 V3 ^: ?+ F
Fuses
) M3 e3 e: ^0 P; S14-200 Time-Delay and Low-Melting Point Fuses8 _0 E% {) F* @" S8 q' n' v3 k- C
14-202 Use of Plug Fuses
6 K; {* T) u6 J" s- B14-208 Rating of Fuses e% U) {: l/ `" Y5 f
14-212 Use of Fuses (Appendix B)6 k/ `* c3 f+ n# W2 W
Circuit Breakers# R" A; M$ C( i/ d/ O7 x/ H
14-300 Circuit Breakers, General5 F# t3 X# z4 }. T1 d! T. i
14-306 Tripping Elements for Circuit Breakers
, m! [- W; L$ @, X& i- l14-308 Battery Control Power for Circuit Breakers* j; A3 v8 a% O% _- I. Z$ E
Control Devices - General( e+ W! l0 T& ] i7 _5 M
14-402 Disconnecting Means Required for Fused Circuits; d' r% c/ I6 Q+ \; `" p9 S
Control Devices - Switches6 X2 R" Z5 w" E! n: T
14-502 Mounting of knife Switches5 X% p. f# E. Q1 J
14-504 Maximum Rating of Switches& Y4 F* X7 @. ~1 k. U/ D8 B. R& |
14-508 Rating of General-Use AC/DC Switches (Appendix B): G! I- T+ z3 R6 b( R7 A
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)( a; |% k) M. F" A4 O% p+ l, S+ ~
Solid State Devices+ _$ Z8 {# D- y4 q2 S5 l: v. p% Y
14-700 Restriction of Use
g8 o" o0 S. ^# p+ |9 c m14-702 Disconnecting Means Required
# y$ v& z% P) X3 J! j8 Q( W
) _) W4 o8 G* ^* t" E4 gSection 16 Class 1 and Class 2 Circuits% U* k% B7 m4 e' ], X ~2 q
General
4 [, l6 I6 s. ] T16-004 Class 1 Extra-Low-Voltage Power Circuits
1 }5 r) s# d i16-006 Class 2 Low-Energy Power Circuits
9 A( P# j; z% e i16-012 Circuits in Communication Cables+ ^6 R4 R# |& m- S) Y! [9 i0 G p
Class 1 Circuits. P/ N; d8 |) m8 G" O0 b1 {3 Y
16-100 Limitation of Class 1 Circuits: v5 x3 M+ Q$ l6 P- h
16-104 Overcurrent Protection of Class 1 Circuits
: ]6 e- \ f2 S/ W16-106 Location of Overcurrent Devices in Class 1 Circuits
/ w" _- k+ ^/ e/ {16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
% F( x8 t3 K7 n. _- r5 I. s+ h0 a16-110 Conductor Material and Sizes
9 a" s: o- X6 f c16-112 Insulated Conductors for Class 1 Wiring( n. O8 Q. ?1 T/ f
Class 2 Circuits
$ b, H$ `' M! J) Z# w% z; s16-200 Limitations of Class 2 Circuits (Appendix B)
, X& b# g. v- Y* X16-204 Marking" Q( n/ \" N6 C
16-206 Overcurrent Protection for Class 2 Circuits$ |1 w5 d. r% @8 K9 D
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)7 z$ o0 D% O G1 J$ ^
ELC: extra-low-voltage cable' r$ \: L9 t( w9 m
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
) F8 d; `2 Z# z3 r
0 d7 h" g t8 f2 u+ }3 F$ vSection 18 Hazardous Locations
! k! Z! Z( Z% J T: JScope and Introduction
% ~- q$ f, [% }5 d1 ]$ G* g18-004 Classification+ @( |: j: Z) N5 C* F G1 R
18-006 Division of Class I Locations (Appendices B and J)8 `* c4 T- x0 W2 |. c g. i' M. C: p6 l
18-008 Division of Class II Locations (Appendix B)
j' b1 K* N# V6 d) m0 v$ A4 `; O: T18-010 Division of Class III Locations (Appendix B)7 a H8 e) c3 L) s
General: L7 T- |& y0 c5 a2 B) y
18-062 Metal-Covered Cable (Appendix B)! M1 l4 o7 p) G% N+ |4 }
Installations in Class 1, Zone 1 Location
& \( v& j! S6 }: \7 ~18-108 Sealing, Class I, Zone I (Appendix B)* v( U* A1 U. n! ]# O' T/ }
1 a4 C9 q+ g( {% |" |
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
6 G t8 X$ m! A) ^) ~Gasoline Dispensing and Service Stations+ C, ^; C R$ c) k3 t
20-002 General+ {/ l M3 G! w6 k4 S7 \$ {
20-004 Hazardous Area (Appendix B)5 e3 m. C; m7 ` h( [+ p
Propane Dispensing, Container Filling, and Storage2 g0 }& X" H! M* L6 ?% @/ q' G
20-034 Hazardous Areas - Table 633 H5 v3 @) l% T2 F H0 L! z# q
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities' M4 R' s5 ~& H* J. t# o6 ]
20-062 Hazardous Areas
* J9 I0 A4 G* T0 ?+ Q- e" A' `Commercial Garages – Repairs and Storage
2 T1 J% R6 F' K20-100 Scope8 o) b3 {$ F E1 H5 p3 Q" d& z; O
20-102 Hazardous Areas (1)
% r+ W1 N8 D0 K/ d- ?* D
! a1 \% D: \! PSection 24 Patient Care Areas6 G7 Q1 ~/ _: L! w: i) R8 I+ q
24-000 Scope (Appendix B), A f5 H' `2 S" L' b/ }1 Z$ z
24-002 Special Terminology (Appendix B)- X# ?+ f% I9 w& C A: Q2 g
Patient care area% F0 ` n, N. K) P9 s* I
Patient Care Areas& r6 _, ?) B5 w& Y
24-106 Receptacles in Basic Care Areas (Appendix B)2 B! j. W. m) l1 B# \! p
Isolated Systems0 x2 P3 i; b. a B# P
24-204 Single-Phase Isolated Circuits (Appendix B)
! b5 {/ D I5 w& _2 J24-206# ~- N5 C3 d1 u- ` Q5 N
1 h; l b& l# H0 ~1 g; \. b
Section 26 Installation of Electrical Equipment: u) W b+ T% G* n; s6 z
General3 M1 M6 J1 D6 w, F- ^ P, I
26-004 Equipment Over Combustible Surfaces (Appendix B) }' H, |1 s- C5 D* ?7 ?* g- [
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)" c- x5 @# f: e
Isolating Switches2 a5 V5 X% V3 o3 l3 V& L! W9 ^+ l
26-100 Location of Isolating Switches
: z& e0 S& x; q5 I4 z$ L- Q, X+ nCapacitors) {1 l7 p; o+ C4 Y' R2 K
26-204 Guarding of Capacitors
. N( Q% N1 J3 N26-206 Grounding of Capacitors2 q; a" N) H* }# m+ d4 S
26-208 Conductor Size for Capacitors
6 M; G! _! z" h5 d; p26-210 Overcurrent Protection (Appendix B)
, T! {9 {. w2 m! X! Y& }26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits2 ]7 f5 c5 C+ Y: ?8 D! i4 r: r
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits8 e. q) Y8 ]2 i$ l
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits' Q( a$ @- L3 M9 N5 h
26-218 Special Provisions for Motor Circuit Capacitors
$ x' t' W* F# n6 d26-222 Drainage of Stored Charge of Capacitors. Y' A. S1 c- {, x% L
Transformers+ O( i0 }3 q& n! u) b
26-240 Transformers, General& V+ G d! P% n0 b- N
26-242 Outdoor Transformer Installations
5 h* E6 L8 v i( k26-244 Transformers, Mounted on Roofs (Appendix B)
5 v' [4 z( i- h& U3 O26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
# h# A a9 |' U/ y5 a8 u26-248 Dry-Core, Open-Ventilated Type Transformers
1 h2 V, ]# T7 y, t$ R" o c26-250 Disconnecting Means for Transformers2 s# ]1 f" h, a
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V3 _/ H, r! w1 y
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
9 f: x9 K5 n, E" e; i26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
2 b0 q% l t( R9 r! ^, `5 g26-258 Conductor Size for Transformers
0 c3 I. w# W0 K8 s: R5 N* N26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
8 d) E: R. E: r, f, c9 Y) N( X26-262 Marking of Transformers9 \' o$ n3 k$ B/ q$ Q8 v
26-264 Auto-Transformers
9 ^1 n+ o ~& p }! T. DFences5 k1 p, h% B& }; o
26-302 Clearance of Equipment - Table 33( l* U( [- v, j, h2 [$ [
Panelboards3 f) \" v" U/ w
26-400 Panelboards in Dwelling Units (Appendix B)
% P8 O+ D; V* O9 i. }# ^5 D26-402 Location of Panelboards (Appendix G)
. V1 v e6 M& tLightning Arresters
* O0 e! d# a F2 U: r+ _ t; a26-508 Connection of Lightning Arresters
, e* o W3 {8 YStorage Batteries* _7 P$ g$ s2 B! [2 G- a) U7 E
26-542 Special Terminology
7 V" K7 U6 w7 g; ^7 ]. e1 _$ F26-550 Battery Installation9 v N. y- T! x) t; e+ [% {
26-552 Wiring to Batteries
8 A! V0 i5 y; E0 }/ s/ LArc Lamps
# g% U* c- P0 l9 b8 s) ?26-600 Location of Arc Lamps
' I, L- M& B. p) i7 k J26-602 Conductors to Arc Lamps
( z9 E# @- `9 @! S" a26-608 Globes and Spark Arresters
- o3 ^* [" F9 @; P8 L" u+ Z1 ?0 ZReceptacles
8 W2 s% m. P* \26-700 General (Appendix B)
2 _# q3 s# j9 S, K/ ?* Z8 V26-702 Receptacles Exposed to the Weather
& M( S) [9 m( w! Z. H# K& EReceptacles in Residential Occupancies8 I' V/ |" A, t4 E+ c
26-710 General (Appendices B and G)$ W$ p- W7 D$ X" u& X! G
26-712 Receptacles in Dwelling Units (Appendices B and G)7 }5 B$ T' x/ _7 K5 H7 O
26-714 Receptacles in Single Dwellings (Appendices B and G) G/ i* ~' M) J* C9 h+ G, X
Branch Circuits in Residential Occupancies* C" e0 X& K0 r5 b. [4 Y
26-720 General6 S: z' ]) |' L. K5 {
26-722 Branch Circuits in Dwelling Units
* n! G; F7 }: ~' M6 G- R26-724 Branch Circuits in Single Dwellings# H) \/ t/ h0 C
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
6 Z) E$ _) S/ I# P9 s2 j1 \2 hN 26-720 (F)
/ g4 u9 A% b# `7 G- L# }% }7 XElectric Heating and Cooking Appliances
) A' c; S2 u' x; V1 O. g, u26-744 Supply connections for Appliances
! z" \0 ?# r- f$ Y) q0 U7 z8 t26-750 Installation of Storage-Tank Water Heaters
+ _1 l8 j# K! `! [8 F26-752 Infrared Drying Lamps
5 o5 M& Q0 \! {/ N3 D# ]' u( T5 ?* `+ ^9 [6 M; @
Section 28 Motors and Generators
( V; A$ V0 r" P0 B; J( wGeneral+ } }! v5 u7 \( U4 S8 T
28-010 Special Terminology8 a- _+ M3 |( d/ g. [; G3 A" O6 e
Hermetic refrigerant motor compressor( R$ ?! B! c7 z7 Y! i0 s5 }
Locked rotor current rating
, d' v1 u. @1 d8 @' ^" ]: [$ O/ qService Factor0 E& T$ K) A2 u K' O- q1 C0 N
Table 44; Table 45; Table-D2, o$ k4 J. \* B$ V! w1 U
Wiring Methods and Conductors
) [& Y7 z0 K7 M( f& I$ W$ b7 t+ p28-102 Portable Motors
5 a# s6 F1 C5 {6 U, e28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
, z& _4 F, _* E; e( [7 N28-106 Conductors, Individual Motors
8 n3 _* ^% c& ?( D. x28-108 Conductors, Two or More Motors# I' e, n+ O3 ]# F E% y
28-110 Feeder Conductors$ g9 q6 q" _/ @( L0 i
28-112 Secondary Conductors
4 ~8 H$ `) {3 ROvercurrent Protection$ K$ l1 _( J# x1 j
28-200 Branch Circuit Overcurrent Protection1 A/ n( A; ?/ U
28-204 Feeder Overcurrent Protection$ o) Y/ {: ~ i$ k
28-206 Grouping of Motors on a Single Branch Circuit. k2 K7 L: g3 p0 V# T: c, g
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
% j$ x3 C: t- H; qOverload and Overheating Protection
9 \! F4 e3 t) h28-302 Types of Overload Protection
' V( O3 `7 e4 U+ F% T+ f, i3 B28-304 Number and Location of Overload Devices (Appendix B) Table 254 V* E6 n7 }0 h" p
28-306 Rating or Trip Selection of Overload Devices (Appendix B)6 o! o% D0 D- r9 X! i
28-308 Overload Protection Not Required
7 k5 o. J8 P6 E0 ]* ]9 sUndervoltage Protection
; c6 ?7 B0 F8 n# t28-400 Undervoltage Protection Required for Motors (Appendix B)
/ ]) Z4 H u |4 y, N7 N) a- E6 EControl
" z6 O- m" F9 y+ Q9 Y/ h* K( N! p28-500 Control Required
* R3 c- d8 l3 z; C7 E) N# d; X, v28-502 Control Location
7 r& ?; \( K7 T, y* q# Q28-504 Starters Having Different Starting and Running Position# l% V: l% |9 z8 m
28-506 Grounded Control Circuit
0 s* S" U" I- M7 f, D: z* A6 ?Disconnecting Means7 ] T! ^, E- H1 S1 w$ S
28-600 Disconnecting Means Required/ `9 T: [9 n3 {) q2 l9 n
28-602 Types and Ratings of disconnecting Means (Appendix B)+ L& H0 a1 `5 W6 {
28-604 Location of Disconnecting Means
2 P8 p5 I# w0 i Hermetic Refrigerant Motor-Compressors
% U' m& m7 A1 e0 A# G/ M28-706 Conductor Ampacity$ K7 a0 O$ A$ A$ X+ W$ c/ f
28-708 Overcurrent Protection$ I. X+ R- ^; i& Q$ V
28-714 Disconnecting Means
* P" k# ^, R% F5 ~- j1 xProtection and Control of Generators! V& E! x. S, Y8 `: s4 v" D
28-900 Disconnecting Means Required for Generators- u Q n. F9 ^. }! c! N. z
28-902 Protection of Constant-Voltage Generators
5 Z0 Q2 L* K' Z: t8 j4 q9 Y. V. x28-904 Generator Not Driven by Electricity
4 c# A; L3 Z' ?, E) V28-906 Balancer sets, o5 q! Q; L% Y* n p4 o
28-908 Three-Wire Direct-Current Generators
/ l0 c4 _% ]4 x$ f+ q5 U9 |* C5 G6 ^) p$ @& E7 [0 [( x0 A
Section 30 Installation of Lighting Equipment
/ D6 v5 D7 a3 _4 x' b7 m7 P30-002 Special Terminology (Appendix B)* ]% A" b% G' F+ u7 H
General
. M5 |; s8 p& R$ J) d5 J p30-102 Voltage
; G% ?4 X) c9 V2 n1 f+ [$ l30-104 Protection (Appendix B)
0 d( [5 ]" M X30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
8 Q0 c/ Q2 y$ W" D4 z30-108 Polarization of Luminaires C/ s8 L* C5 G+ L q0 f. x7 c A
30-110 Bonding of Lighting Equipment3 U* V1 X8 ^6 X g3 ]. a
Location of Lighting Equipment
- I, ~ C3 l- y30-200 Near or Over Combustible Material
7 \% I( `& h' |1 r! m30-202 In Show Windows
: W z+ @+ S6 P30-204 In Clothes Closets
3 p' e0 ^+ K5 w& i& q5 {. {8 uInstallation of Lighting Equipment) ~4 o3 I. x; u! c- o& M
30-302 Support
: y/ W* @ e8 d8 d3 u30-304 Outlet Boxes to be Covered$ T& h5 i V+ x" {: Y# N
30-308 Circuit Connections/ g! s0 I9 S# h: a! @4 R5 H
30-310 Luminaire as a Raceway
m& C0 N6 I9 J& ^4 a30-314 Minimum Height of Low Luminaires
' G+ L7 R8 p4 _6 m! w9 u30-316 Luminaires Exposed to Flying Objects
4 \( G# H0 {: ]+ V/ L \( F, p7 }30-320 Luminaires in Damp or Wet Locations0 r# s3 w K% X1 O7 d+ U6 D
N 30-318
: ^4 g# d3 |! {1 }Wiring of Lighting Equipment
. ~+ |! I' K) A2 Q& l1 a# m30-400 Wiring of Luminaires3 c: z: r" S) v3 }6 ~) U
30-402 Colour Coding- M0 K) z8 ^8 ?
30-404 Conductor Insulation
0 z. h: r* e: Q% G30-406 Conductors on Movable Parts
: u1 w! B( R% ^30-408 Wiring of Ceiling Outlet Boxes
: m$ {6 N0 r: d30-410 Wiring of Show Window Luminaires: y; k, G* C& |9 ~+ T
30-412 Tap Connection Conductors
+ g9 j* w. E! `' I: ]Luminaires in buildings of Residential Occupancy
% G3 H% P& h2 s9 N) v3 C30-500 Lighting Equipment at Entrances (Appendix G)( S- T- I8 o' F+ ~% f6 F
30-502 Luminaires in Dwelling Units (Appendix G)+ m5 Y/ X; m, D6 t! R- o4 }$ f
30-504 Stairways (Appendix G)( _! E- j& v$ t& {4 N
30-506 Basements (Appendix G)6 e) V: M: D- m) T6 P s$ J7 K, {
30-508 Storage Rooms (Appendix G)
) F' w. h& [3 x( Y" e C! I _30-510 Garages and Carports (Appendix G)3 g. k( v& \% y& s0 E* _: ?
Lampholders
0 G( R: A! G# Q9 \! K30-600 Lampholder rating with Incandescent Lamps- N' b6 t1 [: { v$ |
N CANCEL# M8 C+ d$ w K) m+ t4 \- S# P
30-602 Connections to Lampholders& O! T/ K5 _/ |! d' _/ a
N 30-600
" [& ]; W9 t, K9 A$ W( j30-604 Switched Lampholders Used on Unidentified Circuits
5 Y8 {/ C% N- q# v% C$ O! qN 30-602+ y. P; R. d. G
30-606 Switched Lampholders with Pull-Type Mechanisms
; D; Q& }. n7 p& WN 30-604& L( o( Z7 K& d" ]* E7 n7 I
30-610 Pendant Lampholders6 D: P3 S5 y! r% e$ s
N 30-608( v. ]/ g# P0 q+ x6 I) X
Electric-Discharge Lighting Systems Operating at 1000V or Less$ A: h3 e% W4 P' Q
30-710 Control (Appendix B)5 ?: f7 b+ n3 s8 Q3 G
30-712 Branch Circuit Capacity2 c. h+ H/ _/ N2 a
Electric-Discharge Lighting Systems Operating at More Than 1000V! ~, j. c2 K3 K5 h
30-802 Voltages, Dwelling Units
/ g& E% A' Q5 J }. L7 A9 e30-804 control (Appendix B)
6 E: N, b1 n( X( D8 aRecessed Luminaires (Appendix G)5 J& Q4 ?% s, V
30-902 Spacings for Non-IC Type Luminaires
0 b$ Q4 y# o) L1 z3 f+ S30-910 Wiring of Recessed Luminaires (Appendix B)
8 u" n+ y' ?& ]8 n) qExposed Wiring for Permanent Outdoor Lighting g5 d: P& S8 L. f
30-1120 Branch Circuit Loading and Protection3 Z# y! `2 s& s. {. m
Extra-Low-Voltage Lighting Systems
6 |& e3 K. C# ?4 h30-1202 Sources of Supply
# l0 p- o! ~/ f; t# z. v/ \; k( K+ L% C- ?! M
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)$ }$ z9 y5 ]" v1 s
Fire Alarm Systems3 E/ i! i9 t2 S% g& t* {
32-100 Conductors: O+ z/ P8 {7 ~: u: S0 d
32-102 Wiring Method4 U6 W( g/ G; g1 M/ T' x
32-104 Equipment Bonding0 {+ M2 x, a3 J0 p0 {
32-106 Electrical Supervision
; t# T% R6 D0 z4 u6 v0 D _! l32-108 Current Supply; |. z! e( T' t9 |7 h
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
$ V# I/ ]5 j0 ~; B9 n' z$ d& _; ^Fire Pumps
% [/ [3 ?4 I* m32-208 Overcurrent Protection (Appendix B), m2 S/ S1 W5 J/ j( n
N 32-206
5 L, m7 U2 f, J32-210 Overload and Overheating Protection (Appendix B)0 \) p+ l% ^& g1 |; L
32-212 Ground Fault Circuit Interrupter (Appendix B)
' f( f6 X, I* \) |# i6 v6 I
0 B* { t$ U1 w8 ~- e$ U7 t7 pSection 36 High-Voltage Installations8 V; i1 K4 f% T6 X+ \4 U: s7 W
General
& `% P" `! s3 s9 N r36-000 Scope (Appendix B)
1 u3 j: W$ h' h36-006 Warning Notices$ O7 D8 F# o0 B n4 D5 n c- K
Wiring Methods- y6 [) O6 I6 K- f& w
36-102 Radii of Bends1 l+ j5 A3 H; A! D* s/ L+ V9 l0 `
36-104 Shielding of thermoset insulated conductors2 l: U; n, l) m! h
36-108 Spacing of Exposed Conductors (1) table 30, table 315 z% y. e8 K, e- a4 d l9 r
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
/ F5 _ B% q2 \; ^5 `% F. {7 jControl and Protective Equipment
& n" S8 p7 S8 O) }9 t h36-214 Disconnecting Means
! x% ~ t+ f: v u1 v Grounding and Bonding
, w& u" B% b3 u36-300 Material and minimum size of grounding conductor and ground grid conductor and connections+ P* P8 I; f" \0 `# P6 P
36-302 Station Ground Electrode (Appendix B)
2 y0 n- h7 K2 F36-304 Station Ground Resistance (Appendix B)0 R" L. [, v/ q
36-308 Connections to the Station Ground Electrode (Appendix B)
9 G2 [, o6 m L! q36-310 Gang-Operated Switch Handle Grounds
# B0 C% {" B2 v36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
! v+ w+ T/ a$ I7 v+ D/ a, n
: s. z- C. t: f5 w+ l9 h5 ^Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment7 M# k0 F1 E) d* J8 x' V
38-002 Special Terminology (Appendix B)$ |% I e4 M% e- C# }
38-003 Voltage Limitations (Appendix B)( G6 x0 ~% d: p" G( Q: p
38-004 Live Parts Enclosed1 x I4 m; S `0 O/ |( Y, X. L! ^
38-005 Working Clearances' E" n4 U/ p( w. s
38-011 Insulation and Types of Conductors
6 C: z3 r# S: F0 p; R( J8 x38-012 Minimum Size of Conductors
" `8 @ @8 ^: |' Y
7 \" ^! y* N6 m; uSection 40 Electric Cranes and Hoists
# O1 i: P# b$ i* @1 Q8 U40-008 Disconnecting Means# H- N3 d0 K$ U% Y. R3 g3 o
40-010 Main Contact Conductors Q' C: V% V3 f: x9 t! z
6 j& t7 O; S: u# z4 d
Section 42 Electric Welders
+ r! h& u/ b: b9 E% RTransformer Arc Welders. K" }- `9 O# i8 k0 Q0 r# n/ j- c
42-006 Supply Conductors
* u' _, }2 W" _# }9 u
! {, ?+ X& Q) H2 P/ A, ySection 44: Theatre Installations5 s8 G, T* C, n, v! q
General, A7 @8 x6 E* {. d7 ~5 g" @: {0 I9 _2 g
44-104 Number of Conductors in Raceways
' P* J; P: K+ c/ q5 n44-106 Aisle Lights in Moving Picture Theatres. y" W# m* E2 }4 b# B* b
Fixed Stage Switchboards
9 Z( ~" n4 I& X* ~44-210 Overcurrent Protection3 y9 h5 d& J% O
Fixed Stage Equipment
% [# L: f, _. {9 {- |: _44-324 Receptacles in Gallery Pockets' V" N3 H. p) N" @3 w( C; p# F: r
44-326 Receptacles and Plugs
! t# _2 t! G# I5 d G0 W: h; H2 j
8 C. M% r$ C2 i9 wSection 46 Emergency Systems, Unit Equipment, and Exit Signs$ i7 R; r3 h5 i6 Q8 f, @# n
General2 U6 \& m, E; T, i' N, K3 \% J: E
46-102 Instructions9 K. N8 Z; @6 O2 w! l
46-108 Method of Wiring (Appendices B and G)
) A9 i; C5 V) l) {* TEmergency Systems1 k8 @5 S' y" p
46-202 Supply (Appendix G)
) i! i. k0 ?+ g" K0 N46-204 Control
( @- M8 ]/ S) t4 F46-206 Overcurrent Protection( e$ S! T4 S, l, x8 O& _
46-210 Remote Lamps5 u+ V9 l- J d
Unit Equipment
" S7 @! O4 X/ J# p46-304 Supply Connections
& d7 Z& C6 G! h3 f9 H0 E46-306 Remote Lamps (Appendix B)
+ Q' R/ V z) q- d# jExit Signs
; n8 |( o; b* r' s- t1 I: C# k46-400 Exit Signs (Appendix B and G)
5 a' x! @) @# `
E6 t6 A4 R. ]$ B8 YSection 54 Community Antenna Distribution and Radio and Television Installations* R! j) G0 s) J$ ]2 q! F
54-000 Scope
' U. g! l O. H4 {: v3 v. e54-004 Community Antenna Distribution (Appendix B)& k5 A* K6 ]+ y {
Community Antenna distribution" j f5 _) P- }& p/ K
54-100 Conductors
6 g/ a" W8 n4 f% K* u6 B% o' J54-102 Voltage and Current Limitations (Appendix B)
- k9 [0 Q6 t1 }: a% |) B8 V- Z8 HProtection+ Q8 {/ Q! M9 H' i) v: G
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)' r' F% @2 v I$ F( g y( z
Grounding
9 F% F9 c' r* y( a2 ]+ c54-300 Grounding Conductor5 f+ t) ^3 p- q2 A9 Z% C
Conductors Within Buildings1 ` R% n5 p) Y, T7 M7 L
54-400 Separation from Other Conductors
5 V5 x/ z1 g& j8 D2 `9 `- k+ kEquipment/ O" t. f4 @; M1 l1 n
54-500 Community Antenna Distribution Amplifiers and Other Power Sources g* G! C n2 B) g! d
54-502 Exposed Equipment and Terminations: B; ]! r! v, j6 A6 L5 d
3 e$ d+ E3 Q* {$ b+ P
Section 56 Optical Fiber Cables" I6 g7 |# b" t5 V4 a
General
" C Y r5 ^+ p56-100 Special Terminology
# ~- q% H& L' r5 `' B9 b" q56-102 Types
, A5 f, P8 @( O3 D* {% i" AInstallation Methods
- o# N2 t3 Q8 m: \; `. E& W9 w56-200 Nonconductive Optical Fiber Cables (Appendix B)
8 k. W2 F( ~4 Z6 Z& Z: c; P56-202 Conductive Optical Fiber Cables (Appendix B)( H6 J. @8 j: t7 o
56-204 Hybrid Cables% k ` l& ~& [
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
! K, k6 l. s7 f) c$ w+ `- q0 C& _$ }* B7 N- U4 ^0 T: K* j. T
Section 60 Electrical Communication Systems$ [; N2 @! a, u5 w
General
/ D. X! J; W3 c# H' S60-100 Special Terminology2 R2 W( Y u) z% {+ N
Protection
. P! z8 ~3 f/ E0 m60-202 Primary Protector Requirements
0 ~+ [" A2 p. ^# \( ^; T! n4 M9 CInside Conductors
! f* ~) F6 p8 u60-308 Separation from Other Conductors" W5 D* P! F, ^9 ~& E7 ]6 r
Equipment, b2 Q" V d+ R7 ]; c- l4 O% _
60-404 Exposed Equipment and Terminations
4 l3 [, _" z. e5 g9 Y0 CUnderground Circuits
/ T$ A" D. d2 R7 l. Q D S60-600 Direct Buried Systems7 }! B9 v I& P) ^+ f) Q. b7 X. w6 }
: Y9 W/ _7 K5 N0 \Section 62 Fixed Electric Space and Surface Heating Systems
6 ^& A, h$ K& [* L$ }( X% `General E4 M& t. ~7 S, O& k2 U. V5 F
62-102 Special Terminology, \3 |: r( Y0 z( d% @% K& D* ?' {' Z
62-108 Branch Circuits) p1 u4 \( \6 l* U" ?6 P+ G
62-110 Installation of Fixtures
3 |1 S8 ~ S0 J% a% |) L- b62-114 Overcurrent Protection and Grouping (Appendix B) (5)
% T) J! G" k; c( z62-116 Demand Factors for Service Conductors and Feeders (2)
' `3 N/ D9 s! v0 E62-118 Temperature Control Devices! s. Z. ?& c7 L$ U* D& C
62-122 Installation of Series Heating Cable Sets (4)(7)/ Q& x9 m; R+ W- s
Electric Space Heating Systems/ E( w K( ?( o! n" g9 T
62-202 Temperature Control
6 s f1 n1 N$ U& C0 N62-206 Proximity of Other Wiring (Appendix B)
2 c4 n! [6 Z) u5 l62-214 Installation of Heating Panels and Heating Panel Sets" c. P$ @1 C' m: K1 I. g) {
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings+ b, y8 `4 A L6 z9 s
62-226 Installation of Under-Floor Covering Heating Panel Sets; t# q+ ? q0 S( i( n4 k- b
Electric Surface Heating Systems
1 { V `/ b& H62-306 Heating Cables and Heating Panels Installed Below the Heated Surface/ m# @8 f" [. U# Y4 S+ Z5 N$ k
, Y, D. n) l! N/ j% `2 o8 L: BSection 68 Pools, Tubs, and Spas8 j- z, L+ `. }1 w7 y( c- c
General) s& `+ d8 p8 |3 L) K5 U- n
68-050 Special Terminology& N4 {$ W1 y4 u* s3 t* Q) V+ g
68-056 Underground Wiring - Table 61
. k+ ?$ c% O/ M: r; K% E68-058 Bonding to Ground (Appendix B)
% E% C: b. o- Q$ P1 k68-060 Junction and Deck Boxes (Appendix B)3 Y: s. M7 b6 Q, s- \9 b
68-064 Receptacles& `" m9 {$ X( Q8 s! Y- v
68-066 Luminaires and Lighting Equipment
# S; q4 a7 t1 }; y4 ^" t68-068 Ground Fault Circuit Interrupters (Appendix B)
- i4 H& N* `9 I- }
( o, Z4 |% |4 L9 u4 Z& ]( F3 _5 {5 G% F% tSection 70 — Electrical requirements for factory-built relocatable structures and
/ a2 d$ C! N+ wnon-relocatable structures% M) \% O4 F* t5 I0 ^) z0 v" ]
70-130 Tests (see Appendix B)
/ w& {( r! G r6 u) V
# ~: G y* V. E, p" K* ASection 76 Temporary Wiring (Appendix G)7 o4 X" q7 y2 h1 L5 m+ m7 d3 a
76-004 Grounding
4 l5 ~: L$ e* e- N/ P& v$ K/ M76-008 Service Entrance Equipment9 R! D# _/ x- N* N
N 76-006) B. ]$ P/ ^3 Y& L% E
76-014 Branch Circuits
) ^/ R. D4 r% ~ r* zN 76-012. f& g+ b% {3 b$ n4 S
2 @) J* Z6 O. j/ {
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
9 H: y' ?4 z# {- v1 Z; g8 fMarinas and Yacht Clubs2 _0 g, u* E2 n
78-052 Receptacles& {6 R; A& f G; \3 N% b
78-056 Feeders and Services# i1 |4 R) P* V: t
Marine Wharves, Structures, and Fishing Harbours
) Y& A* ^9 ~ |) v8 w3 K" o78-106 Grounding and Bonding
& C. t& A' Z( A, OTables5 i7 p- m+ i( \$ H3 ^
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,657 Y: p1 p" @: N3 a0 {
* t2 `! Q. y; j0 I! P# q) `
Diagrams: 1, 2, 7! V* `4 F7 n1 J1 F4 y3 D$ O
, K# R7 ]+ l1 y+ z. P1 G% iAppendix B
) C e, ]! f4 U8 R* `P352: Ground fault circuit interrupter- 6mA
4 R# L' X+ ]5 I7 t; k% MP354: 2-126 FT1, FT4: u+ H7 l4 z! h0 D3 M: s/ k
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
& Y4 D- Q/ k- p0 C. n. |' wP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
$ u; S- Q1 c' v5 I' IP370: 12-1012, 1118, 1214 Example:$ X4 V7 W3 B- |
P371: 12-1108
9 i8 g- m+ K4 d+ X: XP381: 18-108(1)(b), 18-158(1)(b)7 q" L: j1 h6 h, Z0 y
P386: 24-206
1 ]% s3 v" o! H. A mP389: 26-256& F. M4 s0 e z. F9 Z: Z6 l
P391-P393: Section 28, Example to determine Motor Conductors and Protection6 a8 i4 v: ^) a, E' _
1 F) x' c" z7 D, WAppendix D2 G% q: u3 Z) {" ]( z
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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