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Canadian Electrical Code Review Guide0 |" S- L& a2 n
For the Exam of Electrician For Red Seal License. r# B, n) N* y5 w
, L( z9 U( l! ?3 `; ]. F
Lesson One: E' r/ U/ \* |" B# m
Section 0 DEFINITIONS
9 K9 c, h6 B2 @) |This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
2 X* ^& |" V2 p& K- t' z; L RAccessible as applied to wiring methods3 K( |+ _9 x1 A/ r# j8 V
Alive or live
( {! r$ e, I+ ?6 i6 Q( oAluminum-sheathed cable
# g5 m, Z+ g; BAmpacity
3 E8 I6 n( ]& q# _Authorized person
, `4 h3 ?# _9 W" t6 f( ?$ CAuxiliary gutter
" s$ {0 H/ S) M# B9 o- l) Q1 fAWG
6 {) |+ T t4 ?; i* r0 YBonding: |6 k$ p3 k1 R5 o5 H4 K. F
Cable tray
5 ]- E# R; d1 xCellular floor
& X& s; i* v0 U; }2 N) t% wBranch circuit3 r) z# R; V3 S
Bus
+ `) B/ a- t* ]6 ~2 nBusway
6 g8 K1 @+ c9 I2 gCommunication circuit
0 j/ A4 \$ C% B1 l; ?- [Extra-low-voltage power circuit i$ B+ \2 ?/ a9 b8 ?
Low-energy power circuit
9 H5 L' \# ?# d# a% a( m7 kMulti-wire branch circuit
1 [/ G- O5 d. l* C* KRemote control circuit
' Q% t1 w6 X5 g' a0 ?* p8 t7 kSignal circuit! j% |! R8 m- n
Circuit breaker
S G, K0 I0 e- K$ ]Instantaneous-trip circuit breaker
, A& t4 R' i2 b OConductor+ U4 s' x5 s+ P' O: r" W* T
Conduit
8 u& M5 W: x% |# W0 C Flexible metal conduit
" i" `6 j9 @- \& u3 m6 ` Liquid-tight flexible conduit
% }/ f& m, T/ N9 m Rigid conduit
8 D: Z6 Q! \, n; E& v9 G% A3 B+ m Rigid metal conduit- l7 i) ~( u$ C9 V# N
Rigid nonmetallic conduit4 J9 H! F4 c) q$ Q0 n! f% @
Rigid PVC conduit
" o0 O8 A! v# k) B2 tConnector
* {1 Y4 [/ v5 V9 g) k Box connector/ W+ h) U# U6 t5 W2 g+ }: H7 g
Wire connector
~. t3 d- \( f- h) D6 KController
, f' g8 n! v4 CDisconnecting means
. U \ ~, F# z* JDust-tight
- {5 w0 X) [, p Q; NDwelling unit: ]- h: q. T0 I% ?4 H( M# f
Electrical contractor( F3 M3 X& O! J; i) B) r
Electrical metallic tubing' j# y# |2 A) i
Electrical nonmetallic tubing3 l7 y% }& O! @& }5 [& U/ p
Emergency lighting- s/ h* t+ D* }) C; l! ^0 Q
Explosion-proof
3 m, }. ?! c9 P; i1 g( W0 CExtra-low-voltage power circuit
/ _* t9 s* ?4 B* xFeeder
+ g; v ]# l8 B# i" a$ l0 QFlexible metal conduit
* F- @- @( [8 ^# r% x/ C' YGround
. A; X, C: `' D) b; i' ]% w: FGround fault circuit interrupter8 l# J) \/ n& p" \" u; Q
Grounded9 N! G* @. t4 y' A; r5 R& T4 {- C7 v
Grounding/ \0 ^) A5 k1 {; X0 A
Grounding conductor
4 r" C& N% m6 b8 Q# V4 L6 DGrounding electrode
1 _. a& L- _5 ~: dGuarded
) ~& I! @. e4 {: r- X/ UHoistway
3 Y/ D, b: B1 ^* Q( `0 OIdentified
5 J6 e! W# N9 KLampholder
# P% V0 T; @9 ~; ]Low-voltage protection3 [6 ~5 y" T% N
Low-voltage release3 _. B$ l2 M4 E
Neutral- F" U% j5 d% F, N3 B
Noncombustible construction
* \7 o, g$ F, p$ ~8 @- A7 T6 P8 _Outlet; D& ?# R1 c8 o! B/ @
Outline lighting
5 k- }4 w, N% O8 F/ QOver current device
# ?2 S1 o0 s" Y: C3 r7 DOverload device' R" w8 J8 A8 s$ V+ i, d! s) Q$ ]
Panel board
1 |6 i: @9 `9 M5 g. o8 ], n1 bPanelboard, enclosed- M5 Y, M: g @% Q! R
Permanently connected equipment
$ K, j& q {6 [Permit4 K6 k" X4 N# |/ V1 J: B9 | U
Plenum
& W6 o! \4 F7 c' m; j2 h" X2 p( B( wPortable as applied to electrical equipment
4 ~5 |/ a# M3 x J% O1 \4 ]Portable ground fault circuit interrupter- j' @" m* D) l
Power supply cord
3 _( q( h! g% `* f6 W4 v, @Raceway0 B% o& X6 z5 x0 Z$ g, a/ \
Receptacle
6 R' \' k8 ?! E+ f; N8 n0 n; } Duplex receptacle
3 | K, U- y3 V7 Q% y Single receptacle
" k( d- f B# A Split receptacle+ Z: A3 c& h5 Y) x6 \ o1 E
Service, consumer‘s2 T; O" j) O$ {. G( o- c0 j
Service, supply
7 y' ^ s0 M# |0 @3 pService box
8 v* j1 P/ j( Q0 V) d. m& nService room
! h. Q) m. Z! I! d5 lSingle-dwelling) Q! M$ K1 S6 V: D
Slow-burning as applied to conductor insulation, [. o8 Z7 X. @
Splitter+ L9 ]2 [ o& l
Starter8 E( D N: o. }
Switch
4 ]+ |# i) r; ~" A$ ^: I0 T0 @ General-use switch Q8 m; A+ a- S. n" L, S
Indicating switch
. K- Z1 y D6 l9 {- ] Isolating switch7 f7 _) [4 m5 u- x+ e6 O9 a* j, b
Motor-circuit switch
9 J% n( D4 U2 T2 K5 v3 [3 lSystem* k7 D- p% s1 F/ R
Communication system
2 q/ M+ k! G# c6 T! ~5 b+ U- u Community antenna distribution system(CATV)5 @2 I9 D* k' P8 T
Grounding system
1 n# |' }+ V$ p) {7 hUnderfloor raceway9 l+ _8 X ?# s( B6 p- H5 S, b
Voltage:4 i: Q1 [: b$ i4 K- B
Extra-low voltage
- {; c" _2 B% t. g High voltage
0 t; D9 o/ u$ p3 @+ ?1 N Low voltage
9 r+ s+ g" }8 a# vVoltage of a circuit y3 X& g/ z- E$ e/ U* f5 B# M5 O
Voltage-to-ground
3 A6 }+ H' Q$ ~, W( h' |3 rWireway) T& M, @5 J# \$ f6 |
2 N+ f+ u6 T; W4 [! `Section 2 GENERAL RULES
7 d6 u+ D- ~* H% e6 g- H0 Q3 _Administrative
8 ]! a! u8 p8 Y2-018 Reconnection( Q3 k/ R' [+ N4 V; H3 p
2-030 Deviation or Postponement V0 n$ d. Q) c. `. E" O2 i
Technical General
8 F2 [/ ]" Y3 w# Q- Q; w2-106 Circuit Voltage-to-Ground – Dwelling units& p1 T% ]# _' X8 ]. p- |$ L
2-114 Soldering Fluxes. p$ `- n* S8 O6 c. ~
2-116 AWG Sizes of conductors
8 `% F8 H- c- _0 C2-124 Fire spread (see Appendices B and G)
4 U) c# @2 \0 H, b2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
7 k: I1 z1 b8 k/ W, NProtection of Persons and Property
" f% }0 s% T$ Y2-202 Guarding of Bare Live Parts
7 ~2 }- ~( p! y6 d4 l, _6 F8 J8 tMaintenance and Operation
) f4 G- x+ Q* e9 h% U8 L+ r2-304 Disconnection0 T, I1 B& ^3 `, l' [3 p. _4 g* e
2-306 Maintenance of Live Equipment( y+ e# n- n% t8 b
N 2-306 Shock and flash protection (see Appendix B)
% {9 Y; s2 B: E% o- X8 F/ x2-308 Working Space About Electrical Equipment: Table-56
1 s, `& H( T5 q0 h2-310 Entrance to, and Exit from, Working Space
+ d( b) \1 \ Q9 d8 r2-320 Drainage& t6 q# D% j0 ]) T# ?8 g# B: P; r
2-322 Electrical Equipment near combustible Gas Meters and other Devices8 y# l5 E4 W; I! O
Enclosures
% y& z, G( [# C* `7 \2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) & [( j& |. _( x. w
2-404 Marking of Motors: DP, WP, TE# O' r; s6 a: z
4 d, u% o3 X1 [& c. L2 s+ ?Section 4 Conductors# U c G; B4 w0 e* ~
4-000 Scope/ o7 ]6 R( L* j3 D- x# I3 T
4-002 Size of Conductors: 14#, 12#
0 A1 M Q7 Z; ]9 Z, {4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36" P+ v: @* [/ f8 S& _; H( V
4-006 Insulated Conductors: Table 19* s) Y$ J* b- G1 x* p, b/ [
4-010 Uses of Flexible Cord: Table 11( R. |1 w+ j. I2 j7 d0 e0 p+ P2 O2 }
4-012 Sizes of Flexible Cord. G; I X2 w& a: X& G
4-014 Ampacity of Flexible Cords: Table 12. {7 j5 _7 g" J! ]
4-018 Equipment Wire6 @5 g. r% K8 \* {0 b
4-020 Insulation of Neutral Conductors
/ ^8 K$ B1 c: u+ S4-022 Size of Neutral conductor
# ^; _4 T" [, v4-024 Common Neutral Conductor" f) v: v; _. \* M0 G
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum3 I3 L+ a f% f) L8 W
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
* s: h. e7 J) k$ z; d; Z( r8 P$ d4-032 Identification of Type MI Neutral Conductors
# `. d4 t9 \% R6 A- H9 Q4-034 Use of Identified Conductors
, C( a' l; Y, S, G5 Z3 E( f7 P4-036 Colour of Conductors: Phase A, B, C, …
, w, Z# J: y5 J- |& D% ^5 V# E5 T- t
Section 6 Services and Service Equipment( G/ L/ [4 H2 _& K$ p6 W+ j
General9 W% t1 K- k1 X5 {
6-102 Number of Supply Services Permitted" q" ^+ t$ X1 D( e8 M! c
6-104 Number of Consumer’s Services Permitted in or on a Building
, Y, K, b3 R8 `7 t# [- g6-108 Supply Service from an Electric Railway System9 z3 D1 n6 c# E" y# e: \( G5 c
6-110 Three-wire Consumer’s Services
; Q9 @8 H6 x6 x' z4 k: j6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
0 A/ X, y1 |1 _& n4 j0 u6 R6-114 Methods of terminating conductors at consumer’s service, L* r9 ?- x5 z! @+ ^
6-116 Consumer’s Service Head Location+ O" y: {. J# U( k/ H( W Q: ?
Control and Protective Equipment6 u. K9 f& \4 v) e: j7 X$ U
6-200 Service Equipment
' P2 M2 u. X0 c% ?& G) A6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)0 K# g$ l1 c9 i& x8 J# N% `) F
6-208 Consumer’s Service Conductors Location
" C; Z+ `( ~: I1 }. N6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
; p8 K2 ?. a+ l/ i" ?9 [: y+ t7 ]6-212 Wiring Space in Enclosures& f2 J# Y3 u7 n, F! x1 O# V3 z
6-214 Marking of Service Boxes3 k C* d2 {4 U4 ^: ^" y
Wiring Methods8 T$ z& f; ?1 Q) f, y4 r' d, t
6-300 Underground Consumer’s Services
3 D( C( R( e: d/ `6 l" \- c/ M- @6-302 Overhead Consumer’s Service Conductors) b4 E8 K7 I. z, E8 H$ T
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
7 |+ ~% P; K6 ^/ Q' _6-306 Consumer’s Service Raceways- A7 X. n# S% d. ^: ?
6-308 Use of Bare Neutral in Consumer’s Service: `0 n* j L0 k$ ~! `
6-310 Use of Joints in Consumer’s Service Neutral Conductors
/ i* t) S2 O( t0 F# u6-312 Condensation in Consumer’s Service Raceway
% Y+ D: F& i( U, lMetering Equipment
5 c1 L- _- f0 Z' h) U9 a6 k6-400 Metering Equipment
' t; d* e6 s7 p7 a$ v$ c$ S6-402 Method of Installing Meter Loops4 _% A! a$ s2 w- ]7 b8 g
6-404 Enclosures for Instrument Transformers, q. S, Y& B0 G( z" g
6-408 Location of Meters) z8 @- v% Q" q7 e$ r* }5 L; d
) c0 } a8 T" f; b& RSection 8 Circuit Loading and Demand Factors. n- T8 p- Y5 z) j' Y( b# }. T* L* I
General
6 T6 N8 i9 ]4 t1 M5 U6 A8-100 Current Calculations
% w& r8 g8 z- O+ s( C8-102 Voltage Drop ( see Appendix D)( r/ L; Y% I7 u/ H& S
8-104 Maximum Circuit Loading9 ~! W% n$ ~( |# D
8-108 Number of Branch Circuit Positions4 f& c6 s. e" \" A2 X
8-110 Determination of Areas
5 a8 R9 }) U/ u1 ~# H. | [Services and Feeders9 T% \5 M; c8 S5 B# k
8-200 Single Dwellings (see Appendix B)
! v d, s# S2 ?6 F8-202 Apartment and Similar Buildings/ V" _& ]" \3 e$ S7 b
8-204 Schools
9 Q6 f- O9 P* _5 t- z8 t1 T! D8-206 Hospitals
2 T! l( ^: |% `5 d8 W v8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
0 C5 u; U/ ^+ K0 M" d8-210 Other Types of Occupancy (Table 14). x8 Z% K7 f& K7 J, D: ^. c
8-212 Special Lighting Circuits4 i. \$ o: ^7 Y3 ?4 W6 W( m2 u
Branch Circuits5 Z2 u0 F; { |' R T
8-300 Branch Circuits Supplying Electric Ranges
`$ g$ {7 g0 w' ?3 V8-302 Connected Loads$ R8 ~; \ G$ N2 F6 L3 l
3 R' ?7 a' N7 o6 H2 p& n2 d
Section 10 Grounding and Bonding
1 @# \& j6 ~/ a5 ` ]6 k6 UScope and Object/ p) [5 P* p, S k5 m, m
10-002 Object7 ~6 I, p, G, I( z; y k: L
System and Circuit Grounding" r/ T# Y" J: A
10-102 Two-Wire Direct-Current Systems
! Y- D" R g6 s6 H4 }+ f10-104 Three-Wire Direct-Current Systems
v$ Z) L3 P4 W" D10-106 Alternating-Current Systems
1 s. d! k3 H5 m( z; p8 {8 k10-110 Electric Crane Circuits
+ g, G0 c. t0 [) }. ?" }10-114 Circuits of Less Than 50 V+ f, ]9 n2 J' ^8 E& v! t6 M- U& u
10-116 Instrument Transformer Circuits
5 Q7 n! E; M k. JGrounding Connections for Systems and Circuits9 Y* Y7 ^- r7 t7 y# \' A
10-200 Current Over Grounding and Bonding Conductors
- x' M+ h1 g/ H# w* E' h10-204 Grounding Connections for Alternating-Current Systems
. E: K0 A" ~9 |& V( ]. \ r10-206 Grounding Connections for Isolated Systems! ^1 ]0 d4 B1 Z6 x& m
10-210 Conductor to be Grounded
3 O/ a4 a1 e7 l, xConductor Enclosure Bonding% C* }0 f3 R# j( ^
10-302 Other Conductor Enclosures
5 q$ I8 ~; { ?N 10-304* g! H8 @! E- T _; C
Equipment Bonding ?- Q) }, H( R, B2 X3 i, V
10-400 Fixed Equipment, General. ^2 r8 r( _2 R
10-402 Fixed Equipment, Specific (3), (4)
& O, m, f/ b4 k# T8 g( B10-404 In Nonmetallic Wiring Systems
! q6 C2 G' y( S. L10-406 Non-electrical Equipment
/ @. @6 @# L0 V; n1 `3 C, b10-408 Portable Equipment (4)(b)
! J! k3 m1 `0 g7 S# L10-410 Instrument Transformer Cases
- X0 Y5 `: S8 F10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
- }4 [" w9 d: j10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
; |. I! ~4 E' {' C |: ~" nMethods of Grounding
, w5 ^3 o, k7 @# O4 U3 d; y" a- P10-500 Effective grounding (see Appendix B)
# ]4 \1 j; @0 n8 ]0 Y* G/ f* E10-502 Common grounding conductors
9 {- L3 s0 F1 a' w4 r10-504 Common grounding electrodes
$ S, E7 P0 Z" n7 E7 VBonding Methods0 n- ]2 P% V4 p3 Y/ e& z: Q
10-600 Clean Surfaces( a, I# s) ~% c7 c* j2 S/ X
10-604 Bonding at Service Equipment
2 P* f* t$ o" \+ u. i3 i' V10-606 Means of Assuring Continuity at Service Equipment
$ t% ]- r! o+ k7 s10-610 Bonding at Other Than Service Equipment5 k; l7 ]1 Y* V5 G# \
10-612 Loosely Jointed Metal Raceways
5 {' H6 s; M9 u0 ?4 o10-614 Bonding Jumpers Table 41" Z7 S- _5 v, a/ {) }. m
Grounding Electrodes0 L' C$ U& i+ n2 T) Z& G
10-700 Grounding Electrodes0 ?, f. i) H/ r _( Y
10-702 Artificial Grounding Electrodes
& T; s; A- n5 @; {( x7 _N 10-700 & 10-702
' x& `' y& M& S, } u' x7 s/ U10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)* N) J. x# v( H
N 10-702
" H0 d! j R: Z" f! `4 x10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
8 t3 ~2 W: j) N8 Q1 |N 10-702
* m* L9 C7 l0 } H10-710 Use of Lightning Rods (Appendices B and G): y- L* X; J; w Z$ M
N 10-706! y7 i; N( ?3 }* V
Grounding and Bonding Conductors2 @! @# i ^, |. V. z. x
10-800 Continuity of Grounding and Bonding Conductors
" E7 S1 |, U+ M" U) Y; E8 \( q10-802 Material for System Grounding Conductors
# X# d8 g4 a3 e0 ?, P! C. I! \7 }( j10-804 Material for Bonding Conductors" S! k4 e5 u+ m- J5 F- I4 T
10-806 Installation of System Grounding Conductors
f4 h; [. F8 v' [10-808 Installation of Equipment Bonding Conductors
5 w) M6 c1 {& y+ J10-810 Grounding Conductor Size for DC Circuits9 u5 [* | C+ T0 m( l
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
0 Y. ~: v' S& `7 l; s2 I. {10-814 Bonding Conductor Size (Appendix B)
( {3 G$ h9 [& Y0 g8 ^$ |10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
" U! A- z [, i% U10-818 Bonding Conductor for Outline Lighting8 c6 K7 A+ T% B4 _0 C3 Q! Y8 h
10-820 Bonding Conductor Size for Instrument Transformers
3 D- Z" L7 M% p2 X/ ?. yGrounding and Bonding Conductor Connections6 e, s- ^) h+ M0 f9 ]) \
10-902 Grounding Conduct Connection to Water Pipe Electrodes: `7 u" r A8 @# u( d/ R6 q+ f
10-906 Bonding conductor connection to circuits and equipment
9 ?8 N# H C5 j9 N; p0 U% l% H10-908 Grounding Conductor Connection to Electrodes
7 Q$ t8 V/ O4 F( k, yLightning Arresters) A1 }6 S) p& Y9 d. H, O
10-1000 Lightning Arresters on Secondary Services – 750V or Less5 N! @ h6 h2 }
! ?5 K' t; t- X
Section 12 – Wiring Methods
$ w4 J7 h- @; k* ~Scope) b4 P9 V/ U1 B
12-000 Scope (Appendix B)
5 e X" L# ^; x5 wGeneral Requirement
% \/ ~, L6 V9 A& q0 O5 C12-010 Wiring in Ducts and Plenum Chambers
% Y3 f1 C. }0 T+ N! m12-012 Underground Installations (Appendix B)- |1 H' K2 ~; V
12-016 Lightning Rod Conductors
9 P% j8 L1 b6 e3 A& r; rConductors - General7 U5 `2 Z# A- s( e- V( \% j- X8 `" h
12-100 Types of Conductors (Appendix B) Table 19
$ A( c6 t O, X, \) h12-102 Thermoplastic-Insulated Conductors
8 H+ U* u6 U" P12-104 Flame Tested Coverings
C8 T. L( E! Z12-106 Multi- and Single- Conductor Cables) F8 o7 u5 Z+ s' j" O+ F
12-108 Conductors in Parallel (Appendix B)* ]" `2 \ D4 C. Z" ~
12-112 Conductor Joints and Splices# p! V" n. i) c
12-114 Ends of insulated conductors
8 O# v7 M: s, [, [1 m) D( z1 M" I12-116 Termination of Conductors (Appendix B)
0 B" J$ C( Z+ E Z7 F12-118 Termination and Splicing of Aluminum Conductors- S8 S/ m {! z$ E, S& \) F' m
12-120 Supporting of Conductors - Table 21* {2 F) m1 Q6 @$ F9 y6 B7 J
Open Wiring: ^4 H8 e: B/ X3 g: H+ H
12-204 Spacing of Conductors5 X3 m8 c( |9 B3 {7 h3 x; f8 U* D
12-206 Conductor Supports" A f- J7 a( k4 \8 f% I# y
12-208 Conductors on Flat Surfaces) g# l: D5 i, _: Z
12-212 Protection from Mechanical Injury, Q& _7 p. @. A t3 V! d' a B
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises8 N% L' G& {1 N, s3 m- B
12-308 Minimum Size of Overhead Conductors# i- [+ C% J6 g w- X
12-318 Use of Neutral Supported Cables4 U! g' [& X8 g, O, G0 h" T% X# Z
Nonmetallic Sheathed Cable" L u! b1 c6 ^" E/ Q
12-502 Maximum Voltage
: {' _" h3 D9 S; Z' G& x12-510 Running of cable between Boxes and Fittings (Appendix G). U/ }2 l. D4 x7 V% X
12-514 Protection on joists and rafters
& t2 F/ G* g7 U% A3 I v1 k: }12-516 Protection for Cable in Concealed Installations (Appendix G) D" ^+ T) B! N" B
12-522 Where Outlet Boxes Are Not Required
& G: K2 F! ?4 { q' A0 ?; ZArmoured Cable
" E7 l* `% U. X* v2 o( A12-602 Use (Appendix B)$ [$ o' J, |. @' f, e% b) F
12-604 Protection for Armoured Cables in Lanes
5 M1 }# h3 i* N, y# B; y12-606 Use of Thermoplastic Covered Armoured Cable2 s5 h/ L" L1 q B& K- P; \
12-608 Continuity of Armoured Cable% G% G( R/ W' d) |; Y- p
12-610 Terminating Armoured Cable" d- A9 D* E1 N; h: m
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems: x" a, q, u$ X5 V: p; @% K
12-614 Radii of Bends in Armoured Cables/ S. B; V) h! ?
12-616 Concealed Armoured Cable Installation
- C6 M+ E) A& m12-618 Running of Cable between Boxes, Etc
( x: X5 \ w" q, r- P0 g6 hMineral-Insulated and Aluminum-Sheathed Cable) d# w W9 H+ I2 R% [0 b
12-702 Use
( g1 f+ D! E: N7 w l0 ~12-704 Use When Embedded p R8 L$ L" S# o7 D( ?
12-706 Method of Supporting8 Q4 V7 Z) T; x
12-708 Direct Earth Burial2 B2 ~4 _3 x6 L1 x% z8 ?
12-710 Mechanical Protection
J6 E: s- U0 W. ~+ \; E: i12-712 Radii of Bends
1 ]0 H; U, R# e1 ]12-714 Termination of Mineral-Insulated Cable (Appendix B)
0 n6 t+ g: X5 _, |3 H( ^- u8 P12-716 Connection to Other Forms of Wiring% c; Y& v* k$ J& [- c+ t
Flat Conductor Cable Type FCC
: j5 m# u( f8 C4 K4 l) c) T9 b12-804 Use Permitted
* M0 U2 R1 {( E% o5 o3 Z12-806 Use Prohibited
" z) d2 T) H/ m- C _* }+ I12-818 Anchoring; z2 k! e5 u, d' _- x
12-820 Crossings
, ^ f) T& P, f8 U$ N7 c# uRaceways - General
* m+ T. f1 ~) h( N9 d12-904 Conductors in Raceways
1 q3 W' n! f f0 V, x12-906 Protection of Conductors at Ends of Raceways; s& f& T0 h' `$ ~) [+ H
12-908 Inserting Conductors in Raceways' k8 s# }1 U* g5 N8 m' v
12-910 Joints or Splices Within Raceways3 d/ A& \3 ^' H1 a2 h( }
12-912 Stranding of Conductors
6 ], u1 c7 U3 R5 k" S7 u; D3 q12-914 Electrical Continuity of Raceways5 p( [5 j) b/ R, I% @
12-922 Radii of Bends in Raceways, ~2 ?$ S4 |1 C4 f7 @% N' D
N 12-922 Radii of Bends in Raceways Table 7' N( G/ h5 X1 G) J
12-932 Protection for Raceways in Lanes/ X+ M6 c! }; ?) F3 `( l, `+ e3 A
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
9 N) I1 p7 M# u12-938 Capping of Unused Raceways
6 x" [. T: r7 w) A6 r12-940 Maximum Number of Bends in Raceways
' Y/ t& s! E# W& I5 _. r0 I: k' HRigid and Flexible Metal Conduit
& p q7 s% s# L. o5 [; `12-1002 Use
2 k, {, P6 H: r5 J' x- a1 A; x12-1004 Minimum Size of Conduits$ h0 n1 Y4 S# i1 [1 \: }
12-1006 Conduit Threads (Appendix B)
1 {4 V& Y/ F, z! u" L6 d12-1008 Thread Engagement/ v3 ~5 D0 `% P
12-1010 Maximum Spacing of Conduit Supports
: t0 W0 L6 j) M ~12-1012 Expansion and Contraction of Conduits (Appendix B)
# b l: {' ]; s. m* c! O) Y; q12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 " k7 t, _# K+ h$ }& p' p. G
Rigid PVC Conduit and Rigid HFT Conduit w- }, X+ C8 |& f, o U
12-1100 Use' S9 I$ G# D7 l& a8 ]. U/ s
12-1102 Restrictions on Use
! G8 N# c4 m; _5 \12-1104 Temperature Limitations (Appendix B)1 K/ p$ a8 Y G1 @5 B! o
12-1108 Field Bends (Appendix B), (2) i0 U3 M7 ` {) h8 F
12-1110 Support of Luminaires8 v& z& ^" {1 Z( D
12-1112 Fittings" g. {+ G, T7 ^7 G% o
12-1114 Maximum Spacing of Conduit Supports
4 Q+ E" a5 E; K; U; `8 f7 |12-1116 Support of Equipment9 G. D/ A, y) ~( c0 z7 b
12-1118 Expansion Joints (Appendix B example)
: A$ F* ~2 U6 s& e# aRigid RTRC Conduit
1 c! ]/ ^- \* U1 y2 {5 R' z" h) J12-1210 Temperature Limitations2 S! L @ ~0 ]3 U+ L$ e0 j
12-1214 Expansion Joints (Appendix B). ~; x+ R* k3 z7 Z3 n) i: {/ W4 ^$ K
Liquid-Tight Flexible Conduit7 A! _6 Z) s% ?2 |( d Y
12-1302 Use of Liquid-Tight Flexible Conduit
" ]3 j' r. @/ F12-1304 Maximum Number of Conductors% ~% \! w6 Y$ C/ O
12-1306 Provisions for Bonding
4 H0 G T: H2 e6 d; IElectrical Metallic Tubing1 t; A8 @- F* j. D8 u& z, ?
12-1402 Use1 K: R; `& P. F: \$ j9 ]
12-1404 Supports
6 ?/ l2 g# T# B) }. \) W) u12-1406 Minimum Tubing Size
% @0 q9 V/ a% @4 {: I5 c12-1408 Maximum Number of Conductors$ m, W+ `# |& T; R% u
12-1410 Connections and Couplings
- q# b+ Q) }4 r12-1412 Radii of Bends in Tubing
. p. k1 _8 y! ~9 SN Table 7
4 C# [+ M! P6 @2 Z# s! PElectrical Nonmetallic Tubing
* e l) x6 j' l: A8 C: f12-1516 Provision for Bonding Continuity% q3 Z4 ?* U. e! k/ \( [1 I. l z$ Z
N 12-1514! Y4 r* |/ f2 X0 y* h7 h- W
Surface Raceways
. p/ A# w+ }7 p12-1602 Use of Surface Raceway (Appendix B)
1 d) Z8 M1 a/ W- |1 u12-1604 Temperature Limitations
6 N5 B1 R$ Q+ a3 E8 Z9 H6 x12-1606 Conductors in Surface Raceways (Appendix B)
( S; _4 @' l" b6 f12-1608 Maximum Voltage
. g( P" z9 ~( ~5 f1 t2 B12-1610 Joints and splices % w* X6 @+ Y2 K! j6 k' ^5 c
Underfloor Raceways7 H" t( \: [& ~9 k* z
12-1712 Discontinued Outlets in Underfloor Raceways" }6 @. X3 s3 }0 a8 \* g
Cellular Floors/ J3 N9 l- F0 r9 _; R7 q
12-1804 Maximum Conductor Size in Cellular Floor( w9 `. p+ }7 A2 |) N/ V+ K
12-1820 Cellular floor discontinued outlets
% Q+ M" V4 F# x* nAuxiliary Gutters- B# m# I0 @8 o2 b
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
' R; b5 E3 K% v7 t) S! d6 L12-1902 Auxiliary Gutter Supports
8 R. U6 y/ |% J l8 \12-1904 Auxiliary Gutter Cross-Sectional Area3 T' l' h1 U. ?! h$ `+ v& O
Busways and Splitters2 u. N9 z& y, _2 G: g
12-2004 AC Circuits in Busways and Splitters
6 G( A! t( W! j7 X. J4 l! i12-2006 Busway and Splitter Supports0 h) |2 P4 X/ }& U v% R6 O
12-2008 Method of Installation of Busways$ _ ]: j% `% Y$ @$ j8 w! \- {$ F t
12-2012 Reduction in Size of Busways
* i; L3 }) w& [; S1 z& t% ~12-2014 Length of Busways Used as Branch Circuits# C: X* C9 N3 \2 S) G6 B( r! J0 c6 H
12-2018 Taps in Splitters" G8 m2 J* B& X! J" [
Wireways
3 C) } `8 U& t12-2104 Conductors in Wireways3 |1 N! X! t( s2 ~% ^0 j C1 P
12-2106 Taps and Splices in Wireways6 i! U8 t7 ?9 Y: H3 V& v9 i
Cable Trays
" y" R8 m* ^8 i8 {12-2200 Method of Installation (Appendix B)
) {: w: i/ z; P. U12-2204 Joints and Splices Within Cable Trays# b4 j4 g3 i1 i# ~
12-2208 Provisions for Bonding0 c) H9 Z1 D: J4 v3 Y: [; X
12-2210 Ampacities of Conductors in Cable Trays5 g8 x! X# }% G2 a4 r9 m$ I
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
W7 K; Y1 n- o. v12-3000 Maximum Number of Outlets Per Circuit' v' {* l5 g1 q/ p6 O( q& z
N 8-3048 b. i! R6 B# y
12-3002 Outlet Boxes (Appendix B)! s3 s# _3 o+ w: B# _
N 12-30006 V2 r6 o, ]! R: Q' N, ]: B
12-3004 Outlet Box Covers
' @2 c8 F- i# u2 E' d2 Z; aN 12-30029 e& Z e) P6 ?, d, [) s0 b: Q/ l
12-3010 Boxes in Concrete Construction
+ V6 ?; h& c8 ]9 U: D. UN 12-3008% V3 D1 u* b5 d: q1 u
12-3012 Outlet Box Supports' O* o4 {) v$ C% N
N 12-3010
4 l7 P+ r2 e5 ^# R12-3016 Accessibility of Junction Boxes
+ n5 j5 V7 c4 L9 _+ ]- ~+ ^N 12-3014, Y+ k+ G/ a u& q$ y
12-3018 Flush Boxes, cabinets, and Fittings
3 F- Q! h3 E; }0 ~N 12-3016
/ n6 s; D* c- H% @* W12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 3 V! ^6 O* }0 x E' v! ~4 w
N 12-3022
1 N8 y$ P8 A; W7 ]12-3036 Maximum Number of conductors in a Box - Table 237 b7 h6 p' \# M
N 12-3034
+ V. T1 q0 f3 B9 H! s12-3038 Pull Box or Junction box Sizes
+ {9 O1 Z' D% y" r" PN 12-30363 G" V4 f N) U4 g3 W/ y* l
4 |/ i$ I! p T- \) l; X2 \% m$ GSection 14 Protection and Control$ i/ ? e) r% j* r6 v( G
General Requirement/ e+ P3 h9 a" N7 I! [8 s! A
14-010 Protective and Control Devices Required0 H% Z. K0 X) x: u8 a" p2 w
14-016 Connection of Devices K$ V& U2 a0 I7 U* h
Protective Devices – General% p: e) L8 v& q8 T6 L
14-100 Overcurrent Devices Required
( O/ k& M; H' T8 |1 j14-102 Ground Fault Protection (Appendix B)
5 G% A; P* {6 J0 S; E6 d# X14-104 Rating of Overcurrent Devices (Appendix B) Table 13
" l3 a! l4 L* U' r) l9 |) F14-112 Overcurrent Devices in Parallel
! u" M4 b, z7 }) G/ _+ sFuses
B9 V# v! X2 t; w14-200 Time-Delay and Low-Melting Point Fuses
) @5 |- d) e: W8 j/ w( z6 V) L14-202 Use of Plug Fuses
+ d Z" g8 E) l, d+ s L/ B14-208 Rating of Fuses
, u, K7 `: Q: e5 R) B2 r0 Z14-212 Use of Fuses (Appendix B)
) @3 E. c; e& i1 U, A" ?% L9 J; hCircuit Breakers% e6 v: Q3 i9 I; @5 K/ J! U9 Z
14-300 Circuit Breakers, General5 ]9 Y4 I5 ?8 |6 D/ o8 o
14-306 Tripping Elements for Circuit Breakers
1 |7 z) D! Y: i14-308 Battery Control Power for Circuit Breakers7 L$ J- A& P0 t, L- R
Control Devices - General2 b/ X7 y% U5 ]3 H* b* I: m
14-402 Disconnecting Means Required for Fused Circuits: G2 p9 ^9 a: I6 H; w' L: L
Control Devices - Switches B" G) N% [: F" X( G! Y4 v
14-502 Mounting of knife Switches
! h1 _5 S% v0 u2 l5 ^+ d8 p1 i14-504 Maximum Rating of Switches
( L+ P2 v8 P8 H6 o$ J3 f2 l14-508 Rating of General-Use AC/DC Switches (Appendix B)! O+ g3 V. D y2 p, B0 E( \: w
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)& E0 }& ^+ f! g5 t4 D
Solid State Devices
4 l- d/ U& h8 V( P9 a14-700 Restriction of Use7 a U2 I' R3 Z, ], I G9 l7 T. j
14-702 Disconnecting Means Required _* i# H2 P; f
2 q" R& z+ O9 S. W5 p A' V2 c& a( VSection 16 Class 1 and Class 2 Circuits
0 V" I2 u2 Y9 {6 h9 iGeneral
9 t5 }$ O' c# Q; M) Y16-004 Class 1 Extra-Low-Voltage Power Circuits
9 x+ G/ O, ]+ T5 m1 w16-006 Class 2 Low-Energy Power Circuits
0 g3 ?! M2 r* `1 M8 _16-012 Circuits in Communication Cables
+ ]$ l. f0 |: ~- E- \4 NClass 1 Circuits
7 I- s Q+ Q1 o16-100 Limitation of Class 1 Circuits4 } w3 S4 X% @( O% Y# Y7 k
16-104 Overcurrent Protection of Class 1 Circuits
/ e8 U4 D1 Z# R: x& L16-106 Location of Overcurrent Devices in Class 1 Circuits% g. F" l, M9 l! O, j/ ~
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
& z6 {7 H, [/ B& W, R$ [+ |16-110 Conductor Material and Sizes
& K& x0 t2 N8 S16-112 Insulated Conductors for Class 1 Wiring. }% a8 P, ~# g+ i( m4 C, t
Class 2 Circuits1 N, f( F5 J; p* C5 ]
16-200 Limitations of Class 2 Circuits (Appendix B)4 x! A3 C3 v: }; G0 o
16-204 Marking0 ]- r$ `% x5 I5 i
16-206 Overcurrent Protection for Class 2 Circuits
) `9 Z0 y( O5 g6 |) J' U16-210 Conductors for Class 2 Circuit Wiring (Appendix B). A% A7 q* |2 M
ELC: extra-low-voltage cable
6 n, }' o2 E1 {16-212 Separation of Class 2 Circuit Conductors from Other Circuits
1 ^# V. V7 P, s7 V
' |: ?) `; c9 \ _Section 18 Hazardous Locations1 X2 `) `5 J2 J
Scope and Introduction6 v6 C9 r( Y$ P# e
18-004 Classification
+ J/ j7 l5 y8 ` w7 {18-006 Division of Class I Locations (Appendices B and J)
1 g) ^& g" R' {/ P/ @9 n18-008 Division of Class II Locations (Appendix B)7 @+ m9 E( @/ B$ B! ]
18-010 Division of Class III Locations (Appendix B)
: x q' t2 B/ l7 g. o, Q; WGeneral b! z& T+ R4 v! ^6 Z K! _
18-062 Metal-Covered Cable (Appendix B)
7 p- F2 W( ^) G2 T+ g( f3 JInstallations in Class 1, Zone 1 Location
. L4 e& S+ A, [$ R `. Q( O, }, B; N8 Z18-108 Sealing, Class I, Zone I (Appendix B): q7 B! q: d( @8 G
7 o; Q* I3 z3 hSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars2 i% H! }( g& k4 _( Y. a
Gasoline Dispensing and Service Stations
0 d$ A: I; K; J* X# ], F* O20-002 General
: a) ?+ g& o* r. F) I: N20-004 Hazardous Area (Appendix B)/ j4 r2 F0 x" Q0 t1 b {5 J
Propane Dispensing, Container Filling, and Storage" M6 e+ Z5 i) | J! ]* k
20-034 Hazardous Areas - Table 63
' ~$ H4 b3 k# F* W0 M* VCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities* y, y9 j+ t) T$ A5 H" r! [
20-062 Hazardous Areas3 w3 Y0 c+ A* n! d+ J: R( g
Commercial Garages – Repairs and Storage
, C) u7 [) e8 W20-100 Scope
* W0 t N7 A. J7 }20-102 Hazardous Areas (1)
2 W% k# K5 @/ o, B- t( J+ v% c
3 S; K" A: J- u& E' _6 f" mSection 24 Patient Care Areas
+ r7 I' V7 w P4 N( m24-000 Scope (Appendix B)
) O5 R% P+ n U, ^) `2 C24-002 Special Terminology (Appendix B)* l$ x2 K, j! w4 M/ z! x0 D# |
Patient care area
# D/ n6 A$ S+ ~Patient Care Areas0 \: o2 Z0 I5 ]3 K( ^
24-106 Receptacles in Basic Care Areas (Appendix B)
5 q6 {7 r1 ^% H- I2 U0 B. ]# gIsolated Systems3 x( g/ X% |' ^" P- h8 C
24-204 Single-Phase Isolated Circuits (Appendix B)) p/ w6 f' D8 q: ~
24-206
3 P8 D1 m% @: C4 V$ p( N3 o+ z* W) |' ?3 t$ @* ]4 k
Section 26 Installation of Electrical Equipment; ?+ F7 W& G8 w2 t% t
General- Y5 Y' J- T& ^0 p
26-004 Equipment Over Combustible Surfaces (Appendix B)
4 c) B1 m- j5 Q. @26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
$ ?/ F0 K& X0 D' Y; \' T Isolating Switches
4 x: `! O, L0 d* N2 r9 c26-100 Location of Isolating Switches$ B3 Z9 T8 z! _" t2 c
Capacitors
9 H- B2 \' Y6 S% e$ U+ R26-204 Guarding of Capacitors
1 k- P; E! Q# F/ m" f; I26-206 Grounding of Capacitors; @4 L4 g/ }! r* X. g9 u; {" Y
26-208 Conductor Size for Capacitors
* y" v; x; v# ^7 H6 x26-210 Overcurrent Protection (Appendix B)0 O5 m h& p: U4 F S' J6 {
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
S/ D, j% z; X/ d26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
. J, k3 ^) x" ]26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits2 M! l* V# n! X6 x9 m- Q
26-218 Special Provisions for Motor Circuit Capacitors9 B" V4 x6 S& J1 h. F' q
26-222 Drainage of Stored Charge of Capacitors
I- c F: r1 Q, } \# r% l8 s+ O+ WTransformers# q3 n8 ~) b8 h! f6 n
26-240 Transformers, General
- V- e0 w1 J! k26-242 Outdoor Transformer Installations8 B' \/ T& z+ J7 A) j a
26-244 Transformers, Mounted on Roofs (Appendix B)
% b0 T1 x8 [/ p0 t8 j/ R26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
5 T" l9 c8 z' X$ N( F% W' _26-248 Dry-Core, Open-Ventilated Type Transformers
' R$ |* |8 K: v. M26-250 Disconnecting Means for Transformers+ I; o/ N5 `3 k" D1 ?2 B+ }
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
& g) P9 h" C. B, [. \! W; p/ I26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers, Q/ R+ g1 v8 C! n5 I
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)/ o% s" ?7 U7 ]6 }) J: e$ y
26-258 Conductor Size for Transformers
/ ^0 W! y/ ~0 Q" o- C: }( H+ `# @26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)! y# H: Y/ Q+ }' H# K h5 V8 @5 J z
26-262 Marking of Transformers6 {/ n) ~ e! {; |* t0 {( ?, v6 [
26-264 Auto-Transformers
: t+ V% g1 ^4 ]' N, ZFences
3 A& `$ Z: L4 { `2 K' J6 k. Z26-302 Clearance of Equipment - Table 33
: u$ f: h" v! P3 `$ v* zPanelboards, G$ N0 l7 q: P
26-400 Panelboards in Dwelling Units (Appendix B)
+ k0 o# I" r% R3 C0 g8 F7 T" Y26-402 Location of Panelboards (Appendix G)
# F6 M; U- c( d% CLightning Arresters
. b c2 Y+ i4 Z2 n& y0 o" n' I2 y26-508 Connection of Lightning Arresters
7 D# l6 _* [# A7 V" D- kStorage Batteries6 H' a0 _9 X+ Z \
26-542 Special Terminology4 k4 B3 d" W) m" U7 F% d
26-550 Battery Installation8 I9 i* W, y8 T/ m' Y
26-552 Wiring to Batteries0 ~: ?# r: k I( K |( S+ w
Arc Lamps
# G6 s0 h. ~& F4 `& Y3 e26-600 Location of Arc Lamps1 `; H8 J3 w# N0 |
26-602 Conductors to Arc Lamps/ @. i" a/ |- D# Q7 R: z
26-608 Globes and Spark Arresters
/ w( Y8 D( c Z* b* K* zReceptacles( T* ]& x- k) a
26-700 General (Appendix B)7 ~5 G8 i; h6 G8 O& Y" Y
26-702 Receptacles Exposed to the Weather
3 O) k' d3 r, y* p7 {( Z+ {/ a) ]Receptacles in Residential Occupancies; V; i! y) I( y
26-710 General (Appendices B and G)# L6 Q0 [3 X0 H- |
26-712 Receptacles in Dwelling Units (Appendices B and G)5 |, C& Z" h% c U# I
26-714 Receptacles in Single Dwellings (Appendices B and G)7 C: H, Z0 n: d: d
Branch Circuits in Residential Occupancies2 |4 a% ^- |0 D7 v: x& _5 J
26-720 General4 [( w0 J5 y8 H
26-722 Branch Circuits in Dwelling Units
: B6 ]1 `. `9 R26-724 Branch Circuits in Single Dwellings9 D6 M* |( c1 I/ X; n
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
' M( f$ r, v" jN 26-720 (F)
: R1 i$ |9 m1 z" M6 {# ?Electric Heating and Cooking Appliances
, E: a7 I6 u: {$ r, d8 d, V8 a26-744 Supply connections for Appliances
$ K" z p% w# v! D) V3 {26-750 Installation of Storage-Tank Water Heaters
2 G/ k5 ~% g9 z) a26-752 Infrared Drying Lamps
+ s$ ^. o" x6 P( H. O O0 O9 x/ l+ m1 ^ n3 w( E6 o; X9 Z1 g; S
Section 28 Motors and Generators
! q4 C3 V* d; J+ hGeneral3 n4 w/ i% b( I5 \% T
28-010 Special Terminology
! m0 p1 I$ D3 T' L5 u3 z# xHermetic refrigerant motor compressor3 J7 Q8 K! v2 C8 W% q
Locked rotor current rating7 I% l+ O, y3 X
Service Factor2 |* @( o' a( x% i$ G3 R
Table 44; Table 45; Table-D2
5 h! C. C4 c5 \: |' F8 R7 RWiring Methods and Conductors
+ n# u) R2 g3 ?# \* B% W% z28-102 Portable Motors
8 g% z1 a# \ Q7 [+ ]9 _. v28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity; k% D& _$ X6 D* o. ?5 O$ O4 A. ]
28-106 Conductors, Individual Motors/ v1 x, L! X- P4 t: m+ y# d9 f6 ]
28-108 Conductors, Two or More Motors
) h& N9 Q+ j% q, a2 B28-110 Feeder Conductors4 ~7 {) X) D# G- B/ `& k# Y2 X
28-112 Secondary Conductors
6 u) n }% x- r/ ?, NOvercurrent Protection4 v3 U* [! K: X, \ x/ \. R: v
28-200 Branch Circuit Overcurrent Protection
& k9 M4 N6 C: h- _+ y28-204 Feeder Overcurrent Protection1 o) ~6 F( U" n* B
28-206 Grouping of Motors on a Single Branch Circuit) U" J7 v' P, Z0 R. h
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
' A: B& K/ O- U: v# `( O$ TOverload and Overheating Protection
/ h) a* D8 A- v: f; b- {0 m" }28-302 Types of Overload Protection
4 s8 E" g8 a! Q28-304 Number and Location of Overload Devices (Appendix B) Table 25
" _+ {0 L' k" X( v28-306 Rating or Trip Selection of Overload Devices (Appendix B)
! @( S7 B1 q( d' T28-308 Overload Protection Not Required+ I3 W; g, R/ q9 o
Undervoltage Protection
6 D# X, }6 C" J1 X28-400 Undervoltage Protection Required for Motors (Appendix B)% B7 F& f7 d3 v, S, j# R ?
Control* ~" A) _* o: ^" G! z
28-500 Control Required
2 O/ a' E/ a1 z9 o9 Y7 p' l28-502 Control Location9 N% g% f6 J; ~3 Q
28-504 Starters Having Different Starting and Running Position/ u# V0 M( C$ A! b, U
28-506 Grounded Control Circuit# t9 U5 U+ o) k& Z* c: l
Disconnecting Means" U5 R) T; Y K4 H1 x
28-600 Disconnecting Means Required
) T2 e" l8 }1 X8 I& c7 k28-602 Types and Ratings of disconnecting Means (Appendix B)
% H# b8 u7 o/ v/ p, Z28-604 Location of Disconnecting Means
% z: B. m6 Y7 [1 O; h8 j; X4 m# M Hermetic Refrigerant Motor-Compressors
" M+ I6 s/ h: {# w7 H! G4 l28-706 Conductor Ampacity
; q; R( b6 O7 t! q0 i7 J28-708 Overcurrent Protection6 C0 V" b* G9 G
28-714 Disconnecting Means
4 ~- ] h- u0 ^8 U% c( n( [+ Q% zProtection and Control of Generators
P% T' Q4 l- e; x28-900 Disconnecting Means Required for Generators
" M) \+ O2 l! K' U7 W; A5 K' ^8 t28-902 Protection of Constant-Voltage Generators
p! X* G; Z! `* ~! i28-904 Generator Not Driven by Electricity* g& r: c5 P8 e! P$ F' H2 |% ]- [
28-906 Balancer sets/ Z, q" Z8 I A* y, c9 B0 B) K+ ~/ v. f
28-908 Three-Wire Direct-Current Generators
. Z, L; n- @1 x* }+ j, ?
5 I5 p3 B: t2 M( h. Y, pSection 30 Installation of Lighting Equipment
, X! C7 C# S8 i, q0 D) V30-002 Special Terminology (Appendix B)! Q2 o# r# w/ c3 f6 U: T
General
% H# M1 T/ q$ L6 \- D! t30-102 Voltage
3 H3 O4 I0 A# W0 M30-104 Protection (Appendix B)
7 K9 o, G: J: i& F5 x0 u30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment" ?# }! c( {0 ]( ?
30-108 Polarization of Luminaires- t( X# F7 K' V3 O! g
30-110 Bonding of Lighting Equipment7 ^$ x. `4 }3 W7 b0 q
Location of Lighting Equipment- X0 D$ T% {: p' V
30-200 Near or Over Combustible Material2 |7 j8 r3 q) a
30-202 In Show Windows
# o0 y8 V# B Q30-204 In Clothes Closets4 i0 P7 k5 j% J% h& t
Installation of Lighting Equipment) P2 x8 t9 P: e6 u% A
30-302 Support, P* c& [$ c3 y N U4 u% s. u
30-304 Outlet Boxes to be Covered
# N0 B) \9 U/ L, E30-308 Circuit Connections
' _' q+ n) [) _' p30-310 Luminaire as a Raceway
- p6 U$ A/ i% F3 }8 R; c30-314 Minimum Height of Low Luminaires
2 X" Q6 D3 f. y: ?* T30-316 Luminaires Exposed to Flying Objects4 U% e5 y: Y" [5 ~; p& l
30-320 Luminaires in Damp or Wet Locations
3 m- ?. v) y1 k5 EN 30-318
5 E& w$ |& G4 |Wiring of Lighting Equipment4 r7 x2 @- W& A& Z) D$ E, ]
30-400 Wiring of Luminaires
9 [" Y, z! D r, `9 |30-402 Colour Coding
/ m! M. y7 ]5 z4 H, i- a30-404 Conductor Insulation. T2 u7 {8 m5 j- I4 ^- T" U
30-406 Conductors on Movable Parts
8 y0 c* H( x/ S* o+ y0 ]$ S30-408 Wiring of Ceiling Outlet Boxes
0 O, n0 r- P& K+ ]0 h! V30-410 Wiring of Show Window Luminaires
0 J$ w6 b% b% d* n3 v30-412 Tap Connection Conductors) g: c$ ^6 I3 k( P) ?& e
Luminaires in buildings of Residential Occupancy( F3 q! {! x* {7 `& ^9 }# K
30-500 Lighting Equipment at Entrances (Appendix G)9 [9 v" ?6 X* P8 L0 I
30-502 Luminaires in Dwelling Units (Appendix G)
6 i- ?8 A5 y! U" a30-504 Stairways (Appendix G)0 g8 }2 b, _) r, T
30-506 Basements (Appendix G)# c; B9 q# a, u4 Z, q+ J
30-508 Storage Rooms (Appendix G)9 G4 |4 O. v8 P. Z ~ X8 [
30-510 Garages and Carports (Appendix G)1 k `# s/ R: D. `
Lampholders* T) i) m6 ~! o# x1 N8 q
30-600 Lampholder rating with Incandescent Lamps' t3 _6 j+ p+ {% {
N CANCEL
% R) l! c, c" B( [4 S30-602 Connections to Lampholders
2 `: I. s+ D1 k8 {0 {; ~N 30-600
1 |* N2 G* R0 y% S1 V# \& Z30-604 Switched Lampholders Used on Unidentified Circuits( h( E, r& C- h
N 30-602
% q, C1 R. \% g; K N30-606 Switched Lampholders with Pull-Type Mechanisms
& @1 k. o8 k/ t: p/ RN 30-604+ ?3 S. _! [: g1 Z! K9 Y
30-610 Pendant Lampholders; W8 D" a+ ~6 r
N 30-608' Q! f3 H" i+ _2 D
Electric-Discharge Lighting Systems Operating at 1000V or Less. ]9 |. n3 c( }5 `# b0 u+ s) Q
30-710 Control (Appendix B), Q1 n6 O1 E" O7 G
30-712 Branch Circuit Capacity+ C2 ?2 e( t" C5 ^, t5 M
Electric-Discharge Lighting Systems Operating at More Than 1000V: j; z; i B4 s$ V8 Y1 Y0 v
30-802 Voltages, Dwelling Units- R( K; A6 Q5 u- a$ g1 p
30-804 control (Appendix B)1 |0 c. L; m; S6 {$ ^! [
Recessed Luminaires (Appendix G) _# ~) T6 J# S. c6 @& F6 |. r
30-902 Spacings for Non-IC Type Luminaires
E @6 h; H z z+ m% A30-910 Wiring of Recessed Luminaires (Appendix B)$ w" V$ B6 B" Y- }3 Z
Exposed Wiring for Permanent Outdoor Lighting; H# ~- V. P( v$ \# V
30-1120 Branch Circuit Loading and Protection' \5 Z2 A7 `) M3 W' U, _4 h: z* v
Extra-Low-Voltage Lighting Systems
3 y @& d7 z2 J+ w2 I30-1202 Sources of Supply: a; K8 ~: h3 g* E5 c& g4 X
+ l+ p6 |; S! CSection 32 Fire Alarm Systems and Fire Pumps (Appendix G): i6 j8 A8 j& l# n5 x5 \8 p$ E
Fire Alarm Systems
" A* h) s; b T7 L9 y, T32-100 Conductors- L% N+ H2 l4 F' x
32-102 Wiring Method+ f( |9 m2 r' g% N- j' y% v8 u
32-104 Equipment Bonding; k% c( ^/ y2 j/ `3 t A6 E
32-106 Electrical Supervision* a" i7 G3 v+ S
32-108 Current Supply
/ [6 x; l( T; U1 h7 M4 [. N, ]32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)2 f$ B6 m/ ]) v0 J
Fire Pumps Q/ N0 K2 l9 j, C" L" H
32-208 Overcurrent Protection (Appendix B), E0 q5 Y; P: e6 N, K/ a: z
N 32-206
/ J, c- f$ s1 S5 d) _4 ?. A32-210 Overload and Overheating Protection (Appendix B)
; R4 [% {3 }4 j. g, y1 ^6 w32-212 Ground Fault Circuit Interrupter (Appendix B)' K9 C2 J! _$ D2 Q4 Q# n9 Z
2 q* i+ p; l. w9 H \4 oSection 36 High-Voltage Installations( P0 ^! a. g/ H' P1 o0 F+ S
General
/ @- N$ Z# t: P3 Z7 l; G36-000 Scope (Appendix B)
. u u5 e/ G6 b36-006 Warning Notices3 b5 z. a5 Y( L5 @4 X
Wiring Methods
D! E$ n5 M+ n5 @- j36-102 Radii of Bends% o7 p! C4 l1 `9 J/ u& j1 E u
36-104 Shielding of thermoset insulated conductors, e ^+ h) W8 I" P
36-108 Spacing of Exposed Conductors (1) table 30, table 31% T- }, h) H. n1 r) d
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
+ E. B& X9 _4 d6 ?5 {Control and Protective Equipment$ T; }' O. Q& m# y v1 W
36-214 Disconnecting Means$ ~- G1 X2 U) `0 S1 B; \; Y
Grounding and Bonding
# c# `" B# l6 c( S36-300 Material and minimum size of grounding conductor and ground grid conductor and connections. U; z0 A6 O6 X
36-302 Station Ground Electrode (Appendix B)' L4 K4 Y+ a! A1 q/ @6 k' ]
36-304 Station Ground Resistance (Appendix B), F/ y1 j4 h8 C( r# Y' t
36-308 Connections to the Station Ground Electrode (Appendix B)) l" F4 d( p1 O( p' ^3 v. G. n
36-310 Gang-Operated Switch Handle Grounds. f9 C0 K0 a) L, I
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations% N( C5 G* ?4 |
2 {% h$ h+ Q8 ^. |3 }2 G* ESection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment3 K! ]$ x E+ L. m9 p& B# x, |! a
38-002 Special Terminology (Appendix B)& N5 J: }% T! P( r3 x* s$ l E5 p
38-003 Voltage Limitations (Appendix B)
" T- y4 y3 Q7 p, F/ ~) t# W38-004 Live Parts Enclosed
; \% p/ u/ b5 d5 P7 W* ]38-005 Working Clearances, ~) e0 T7 U" W" W- h: e
38-011 Insulation and Types of Conductors
" T1 n0 S$ b8 r" H0 S; c! s& e38-012 Minimum Size of Conductors
2 R* N) ` n8 X3 o
* a0 [& P% z8 B! D, g& JSection 40 Electric Cranes and Hoists
0 d& n0 R9 J+ y1 e0 C$ r40-008 Disconnecting Means2 D) Z: E0 U7 \8 l# n" y# @
40-010 Main Contact Conductors
6 P, F. F! v3 x2 J& b3 |; {% |" d' Z" }, g- p+ ]: m+ c. d
Section 42 Electric Welders* T5 n5 \/ a0 T: v) U( P0 l7 S
Transformer Arc Welders: e% L# y3 ` h5 P
42-006 Supply Conductors, E% j# @, B6 Q4 k
# V h* {# _* G( m; q; t' v
Section 44: Theatre Installations
" l( y9 X1 m: C$ BGeneral
! |3 G7 t3 F6 K7 {* i& R% m0 u44-104 Number of Conductors in Raceways
2 U1 K7 ^( l! v44-106 Aisle Lights in Moving Picture Theatres2 v: v P0 k4 z& r8 z' _' D! l
Fixed Stage Switchboards2 w( ^( p8 e9 q+ g8 x
44-210 Overcurrent Protection
* M4 a8 D# d4 z8 O8 j6 b6 u0 d* pFixed Stage Equipment+ t# d% `* g0 o3 E; c! U
44-324 Receptacles in Gallery Pockets
! S0 f$ Z) F) X2 A44-326 Receptacles and Plugs
/ j4 x6 Q# c4 X e$ {& Q8 G
" r4 W6 G" C! iSection 46 Emergency Systems, Unit Equipment, and Exit Signs! k u; x* t9 E8 u: Y
General% i) j1 T+ l2 B$ t$ U N4 z
46-102 Instructions
0 ^+ n, p% U/ s% u9 ], r9 r& x46-108 Method of Wiring (Appendices B and G)
, ?# A9 ~: u' |, o6 t+ H4 kEmergency Systems9 A2 r2 E6 h) o
46-202 Supply (Appendix G)1 v$ {" S* ^( H
46-204 Control5 |8 u$ j i; M2 @! Y/ L
46-206 Overcurrent Protection4 i0 H, O- U: ], L2 \
46-210 Remote Lamps
% y3 E2 ~: z E j% K0 yUnit Equipment s6 V5 ?9 k3 w4 S- i
46-304 Supply Connections
% A" }2 p, a. Z. y& H7 B1 U$ ]: h; V46-306 Remote Lamps (Appendix B)( o9 e# r! j' j
Exit Signs) e3 G1 y! V7 ?
46-400 Exit Signs (Appendix B and G)- a* M; x0 s8 g" N
% d/ K; N$ {4 A9 MSection 54 Community Antenna Distribution and Radio and Television Installations" U. d9 E; C! Q' ?& B' L
54-000 Scope: Y% n0 p( }: v2 ~
54-004 Community Antenna Distribution (Appendix B)7 r" b2 i. I# t3 S: t% l
Community Antenna distribution1 C* _4 T# ]' I" V u' r
54-100 Conductors. _- r& }8 n" e% B# ^
54-102 Voltage and Current Limitations (Appendix B)' ]' ?0 {% z0 |8 d" u% x6 Z: ]; D
Protection
- @8 e( B2 N0 d; s. B! k54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
( v( V8 r( J+ _( kGrounding
: A9 U5 \1 l+ p4 ^54-300 Grounding Conductor- U, d( k0 r1 C/ j2 Q6 q) M
Conductors Within Buildings( F0 y: H$ f, G9 ?+ a3 |3 ]5 g/ e
54-400 Separation from Other Conductors& [2 I* |! E' X! F* f3 L
Equipment1 b; k8 @% v! j5 G* q
54-500 Community Antenna Distribution Amplifiers and Other Power Sources' e8 I8 E; {) D% r% u0 W/ S
54-502 Exposed Equipment and Terminations7 m. x8 d" m, _' D- m! W) V
* q4 N( F; Y5 f0 O2 h) ASection 56 Optical Fiber Cables; M; }; Y# `* K/ }* d
General7 @$ w/ h$ k6 I$ x6 S7 }8 f8 d
56-100 Special Terminology
! N5 f/ j+ n B; i3 H" \56-102 Types% E* {4 z* \ ]# F
Installation Methods
+ a, w, E" v& f# y4 H9 f/ l56-200 Nonconductive Optical Fiber Cables (Appendix B)
+ {, C- j5 F" f, F, H& C. Y56-202 Conductive Optical Fiber Cables (Appendix B)
# \: s- E6 X7 m" `" t56-204 Hybrid Cables
' c4 W6 j; g! G A& a) m S) W56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
$ F' K; R- S* O$ Y+ ^* R) c6 j, A" ]( \0 e% j; v9 B- h( ^
Section 60 Electrical Communication Systems) `7 O- D/ G' D& A
General D1 U! l, r0 u9 ~9 W
60-100 Special Terminology
9 U2 F) \! [2 b/ B' @. t+ c# N3 _Protection
+ v* J! ~, E1 v1 {60-202 Primary Protector Requirements" _% l1 r, M3 ^( c* s
Inside Conductors
; |7 F' Y8 p8 r$ W2 }' z60-308 Separation from Other Conductors
+ S3 l5 I: X. S6 v& P% t: YEquipment9 ^$ U4 P7 q8 t' H. x' D0 n
60-404 Exposed Equipment and Terminations
) u2 {5 e: _5 W. u5 d: z1 JUnderground Circuits4 u% _/ Z3 S7 ~& f- C3 S
60-600 Direct Buried Systems A# R+ ]6 K; _: D- j% f, E
* g8 V- p0 ?% i& m8 X. f( l! f( _/ [
Section 62 Fixed Electric Space and Surface Heating Systems
+ j1 z+ b* e5 D. C* }General
) L* G5 |' n: G+ J* I, q62-102 Special Terminology: N% b% |, K3 n5 m6 x( ?) u" q2 n
62-108 Branch Circuits
( g% o/ p% X Y+ A62-110 Installation of Fixtures
# V6 F! P" g' z1 g/ M. o1 {62-114 Overcurrent Protection and Grouping (Appendix B) (5)
' q2 m+ g# `/ `( l62-116 Demand Factors for Service Conductors and Feeders (2)! S' w" o Q! R' N! P' E
62-118 Temperature Control Devices
$ I/ T" y% k9 `62-122 Installation of Series Heating Cable Sets (4)(7)
$ N7 S9 s! M, y; P {Electric Space Heating Systems
1 y, Y* t9 c6 s62-202 Temperature Control
: ?- V3 F' K4 g62-206 Proximity of Other Wiring (Appendix B)& n( [- Y; B4 J2 K- n
62-214 Installation of Heating Panels and Heating Panel Sets
% }* Q0 l( s, ~) Y; P/ l6 V. ?+ f0 f62-218 Series Heating Cable Sets in Cement or Plaster Ceilings9 D: e. M; ] p2 s
62-226 Installation of Under-Floor Covering Heating Panel Sets
4 y: M+ i7 Z+ ^" S# C5 ZElectric Surface Heating Systems3 J) D; G& W7 G& O( m
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface, r- u( O# @9 k7 ` u
5 G- B( G( q' E) l. m2 HSection 68 Pools, Tubs, and Spas
+ i- ]2 G* b9 S) V' MGeneral; E; n; t7 o- f+ Q
68-050 Special Terminology7 I! |8 _( ~* B/ R" l
68-056 Underground Wiring - Table 614 N4 k. ]" [8 I/ n( {+ v1 d* v
68-058 Bonding to Ground (Appendix B)6 ^+ c* O2 c3 Z
68-060 Junction and Deck Boxes (Appendix B)" L, ^3 a2 q8 p& S8 p- J
68-064 Receptacles4 w9 R- G z0 Y/ l; B: [, e
68-066 Luminaires and Lighting Equipment
$ _7 c- f l4 b3 i; ] N" r68-068 Ground Fault Circuit Interrupters (Appendix B)1 ?" L7 A: }/ I' }# P* U' ^! a
+ M; E# `1 v. YSection 70 — Electrical requirements for factory-built relocatable structures and 1 ?5 W: ^$ ?; C F
non-relocatable structures+ [: S h' E4 L% {2 z, t' ^
70-130 Tests (see Appendix B)
# M9 d7 |: N' ^8 R1 y, m8 b! Q7 p# u5 E
Section 76 Temporary Wiring (Appendix G)
7 w/ [4 p1 ^8 O3 \1 }! ?1 b+ y76-004 Grounding s7 `: ^* |2 E+ O2 g
76-008 Service Entrance Equipment$ u5 \) ]2 d+ Q; g
N 76-006. O: @; x0 ^) C) ^5 P
76-014 Branch Circuits
9 f, Q. ]+ Q/ w$ WN 76-012 g4 P( u# v4 d4 `. e
8 W' L9 ?4 R; G5 K4 p$ h
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
) t9 }" J/ r6 N/ vMarinas and Yacht Clubs* e% E6 } S7 a, Y- y% R9 B
78-052 Receptacles
/ Y5 a8 D( D: A2 l/ K) y0 J4 k78-056 Feeders and Services& l, k; C6 Z4 a$ F9 z) N9 {& {
Marine Wharves, Structures, and Fishing Harbours
5 J$ n% j! h0 H& |4 z$ \9 O78-106 Grounding and Bonding0 O/ m# U8 A" l% ]
Tables1 n: |& Q. c* r; D- l7 ^
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65
5 t. H4 }2 K a, b0 ^, n, N
' d5 |1 v9 E2 I- _4 ^2 QDiagrams: 1, 2, 7; ~/ A; r' \7 q) a/ R
" y. w5 Z* Z O- m" K( g* `Appendix B
* r. X# f, A- Q7 n; X, BP352: Ground fault circuit interrupter- 6mA
! |2 ?* R' Y y: c$ @4 ?P354: 2-126 FT1, FT4& S1 l3 E: H$ f! I# I; A7 L x/ N
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)2 e+ i, T4 @0 h5 u7 i* I
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
& Y$ O8 g& E2 d# G- ]! eP370: 12-1012, 1118, 1214 Example:
P1 o3 V; J: B v/ [3 M3 P. b- DP371: 12-1108# ~! c) @0 E! {2 n# l1 b+ m
P381: 18-108(1)(b), 18-158(1)(b)
' w0 U/ H! Z9 J m: t) T9 x* [P386: 24-206% j7 a& t4 h! ^& S5 |- ~9 G& w' X
P389: 26-256
7 P9 J" w; J- |" Q0 pP391-P393: Section 28, Example to determine Motor Conductors and Protection# M3 k* j: Z7 \, D. f$ L
% G% ]2 F r1 x5 H( d& D! Q
Appendix D2 y, B( _$ s* @+ }
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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