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Canadian Electrical Code Review Guide
2 G7 t H$ l6 h1 V5 ?/ t0 cFor the Exam of Electrician For Red Seal License# \0 T. `0 F d) i
! v; T: X7 X3 Z+ ZLesson One1 s* K$ y# v G
Section 0 DEFINITIONS, i( Y$ B2 p# Y) g
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
4 s p0 j1 F) a# L8 C7 d4 {2 NAccessible as applied to wiring methods/ i6 T- L+ ?& O! w- {, Z) E7 }
Alive or live6 r6 W* p$ r N1 q
Aluminum-sheathed cable
2 D9 C8 Q. j. F) }# B6 tAmpacity
' z6 j- m" g# q& ~Authorized person" T) @# g; `( j! e
Auxiliary gutter
$ o9 P' K# x& [8 z" \* ]- ^AWG
( p% _# I. t. t: Q0 C5 UBonding
& w. h U+ a; Y2 Y# ~, w: qCable tray/ K) Z1 x; g+ H
Cellular floor% C- ?, w) N; L! l$ g
Branch circuit
, ?4 P# }2 D w6 Y4 ~Bus
) {0 r8 l1 ]5 p0 M! W3 T; qBusway/ O' L1 ^7 h8 M+ ~8 C
Communication circuit
( U% [1 w1 g2 N: d/ SExtra-low-voltage power circuit! I9 H/ c) C+ A& @6 V! `
Low-energy power circuit6 |: Z% `. w/ P) \4 W
Multi-wire branch circuit
* {# L$ `& }9 h0 [6 l$ d% GRemote control circuit6 d4 M$ t, Q% a' x# _
Signal circuit) G' f/ f$ ~1 T) c* K; B
Circuit breaker
7 j6 P! n6 q/ {; f1 hInstantaneous-trip circuit breaker+ P' e' D- [' r
Conductor, k% V3 C8 S$ R6 Y+ N7 }* @
Conduit
( s. e9 g& S8 [; j3 s. P$ |& [ Flexible metal conduit
# G. Q7 M- j3 H+ N' i Liquid-tight flexible conduit9 Y# A$ \0 g$ R+ @4 |2 {
Rigid conduit
$ _( H% G* c1 s) N/ p2 N Rigid metal conduit
; i0 D1 e @+ a) l Rigid nonmetallic conduit
! t* w! l7 z& s8 n# b Rigid PVC conduit
?( H V& ]. P3 QConnector9 h5 }+ @- v, _
Box connector
( k" [9 L6 |7 c* ]+ w% | Wire connector/ L6 |: L" B) U, k3 ^3 E. w5 h
Controller
9 Z; D/ {! [) W' @0 v% c( f- l7 qDisconnecting means O0 f' U- I; }) t# X
Dust-tight$ d! ~0 g! s0 h- u. I [& o8 t& f
Dwelling unit$ T! L* ^+ ]$ ^$ ^! `! m
Electrical contractor* h; G" e. j; [" ?
Electrical metallic tubing) v: f4 b. o; v3 `& G. z. P
Electrical nonmetallic tubing) O+ Y. M5 S0 ?2 U! |; C( I
Emergency lighting
: T( B3 f9 d9 x8 \Explosion-proof
1 N" {( F* o+ |" f! hExtra-low-voltage power circuit
3 ]4 L' p; x* w' M, {Feeder0 a* W, n# _' v/ I* w+ T- D# i3 b
Flexible metal conduit; I6 T f6 t0 c
Ground" b5 Q, P5 y; ]
Ground fault circuit interrupter
" |1 C( h7 z! L( j' x2 B* `. ~* S* |4 FGrounded. v- v) @' K1 V4 T* G
Grounding$ [8 N# M# c/ Y
Grounding conductor; m! J, ?! q4 N {2 `1 R" q6 C
Grounding electrode
, C# H' |% D0 }0 k/ {2 \Guarded0 d7 j" S: j- K" J$ x9 t
Hoistway
`2 l) d0 l+ E) Q4 i" f- mIdentified) }- g X0 w& f/ Y
Lampholder
* G d! x1 d+ P3 {6 `7 wLow-voltage protection
8 y) o- C' x ^7 YLow-voltage release Z% e) F( r8 |9 ~) n8 G( M) k
Neutral& g3 x! \& j% f9 A6 K0 G
Noncombustible construction, V) }- |1 E5 E' T3 R
Outlet% e6 _0 C* E5 r" z
Outline lighting
3 d$ E2 _: k1 x0 WOver current device% @+ m- a* d V% o; l- y5 R& W7 s
Overload device
) D) o2 D2 Q7 S9 j2 u6 oPanel board& A% `- l$ l" i% ^# R0 K8 H+ a7 Q" n
Panelboard, enclosed* _1 i0 F% d8 A }
Permanently connected equipment
- V/ D- s6 R" j: h" ZPermit
/ \/ R4 F* U1 J+ jPlenum
5 O2 `8 `% C- H" HPortable as applied to electrical equipment
- a* v8 @& N) y) fPortable ground fault circuit interrupter
$ c1 `3 D$ r5 m* P9 B2 DPower supply cord! e9 M/ }% r3 y5 U4 Z% `
Raceway( O; y% N9 c6 S7 r% R
Receptacle
; s2 M5 `4 b7 S+ g Duplex receptacle6 f. s4 I: V. z4 \" P* T
Single receptacle3 R$ {, {) P; h# h7 E
Split receptacle
# t+ l0 M/ V' F8 P% z# |& xService, consumer‘s. P1 D( I0 W4 F8 T4 Y. E' t
Service, supply
4 w$ x9 x1 ]1 n9 BService box
( `) L! [$ Y$ L8 p! E8 XService room
) Q# O0 B8 J2 M4 a; Z1 d( SSingle-dwelling
) o0 M5 u( J. l' O2 zSlow-burning as applied to conductor insulation
7 C c' u+ }9 @7 C \Splitter. p( g+ y, {. |8 O* a
Starter
# R* j" L5 ~, S% V" Q$ eSwitch9 O/ u1 l+ u5 W" ^2 x# W) |
General-use switch
0 X# j9 `" N- C Indicating switch
2 P+ @1 U& z) Z, \. i$ P Isolating switch3 \) Z* n/ w+ H+ ?
Motor-circuit switch+ |1 t0 S; L J; J
System1 u0 L5 P+ Q% F+ C; _
Communication system
5 S5 l& x0 x9 ^" N) _ Community antenna distribution system(CATV)/ G( L9 r: Q1 y' M6 l5 Z
Grounding system
C {4 U$ o8 \Underfloor raceway" w6 s* i( I. O2 k
Voltage:) h2 L& A+ H4 h% r" D) n; n
Extra-low voltage w( s2 b+ X2 T1 ^& J2 l a) T) A
High voltage
0 f' a& R9 ]. \. i& U% P Low voltage
& [# R4 m- `( o# i# c# L5 b: MVoltage of a circuit
" q" ?' T5 ]3 x- p% ?Voltage-to-ground
1 K& Q: F n( |4 w. nWireway
7 C- l1 Q7 x9 c8 U: g+ y- L" i1 h8 v
Section 2 GENERAL RULES. C1 c( e- }2 |4 U, l8 p4 T
Administrative: i. l1 p2 O* n1 m! Q
2-018 Reconnection
" C, M* ~2 T A1 r4 a2-030 Deviation or Postponement
" G# m0 j/ W& z$ \Technical General+ V4 C' ^8 j5 b
2-106 Circuit Voltage-to-Ground – Dwelling units+ J" Q. e5 N; r* E0 q# ?
2-114 Soldering Fluxes9 h6 n6 T! i1 D* v
2-116 AWG Sizes of conductors( W6 x. _8 `/ M, d8 ]
2-124 Fire spread (see Appendices B and G)4 ~* `/ k# s% a
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)& K0 T9 v* q" K8 v+ L! {
Protection of Persons and Property+ d0 U h/ `8 j2 @2 z2 E$ N/ U( n
2-202 Guarding of Bare Live Parts( K4 J. C' I! k5 W! N
Maintenance and Operation
% v4 G8 F% Z' l3 t/ F5 u9 @, {2-304 Disconnection7 t6 K# ^* Q, T5 ]
2-306 Maintenance of Live Equipment
1 S: N; M# w% L/ A6 pN 2-306 Shock and flash protection (see Appendix B)
4 n$ R# L: a! p- g, C& F# a! p& {2-308 Working Space About Electrical Equipment: Table-56
1 h3 g& H) ~/ H. h0 D5 d2-310 Entrance to, and Exit from, Working Space
/ s9 b& |6 S" _, @8 e2 f) \" l3 D2-320 Drainage
2 |) a, p8 v" r' c7 H' ` x1 h2-322 Electrical Equipment near combustible Gas Meters and other Devices. g( ]. }: H0 h# Z9 P
Enclosures
: d* G. z3 N w( N: [5 H2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
# P) U" ]9 ^! I0 S+ k2-404 Marking of Motors: DP, WP, TE
* x0 u" ^7 ^9 P2 E/ B 5 \% j# \ L( D6 ?7 B4 j
Section 4 Conductors/ d5 w8 W" k. w" O7 i; w( q G; k
4-000 Scope4 g. L$ t8 l; f5 X
4-002 Size of Conductors: 14#, 12#6 v& k1 S0 E( R5 z- Q
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
: D" [' E1 ^6 K% b' I+ g `4-006 Insulated Conductors: Table 195 G- m7 |# |- M/ m5 S9 `
4-010 Uses of Flexible Cord: Table 11! u( r5 w9 z4 T8 E
4-012 Sizes of Flexible Cord
/ E1 O" w8 G$ N3 q2 x" h7 G. L6 S4-014 Ampacity of Flexible Cords: Table 12
* ^3 p* ~# `( S3 ^9 E4-018 Equipment Wire5 J8 I3 w+ @6 } L7 x/ ]
4-020 Insulation of Neutral Conductors
3 ~9 s* Y7 o# N9 q' Y& r4-022 Size of Neutral conductor d0 _, j) U+ d) ?; ^
4-024 Common Neutral Conductor
1 ^4 ?0 X( ~- h" F! M) @. Q4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum3 J) x) S; s: D
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum2 B4 e7 w3 \. @. {' N( \4 s
4-032 Identification of Type MI Neutral Conductors# d* O; E+ g- d' ?$ n: p
4-034 Use of Identified Conductors2 y: d' l6 L8 M- V$ i- F3 N
4-036 Colour of Conductors: Phase A, B, C, …: M; @5 [9 k. U' j0 v
' [- H8 l- r: A, H/ K- x' x5 c
Section 6 Services and Service Equipment2 d; {. n9 `+ e8 W# t
General
5 y! Z( N% R3 D6-102 Number of Supply Services Permitted: y) s+ D+ c& L) n
6-104 Number of Consumer’s Services Permitted in or on a Building) d! n$ f0 V" r
6-108 Supply Service from an Electric Railway System# d" A# `3 h; t* B& K
6-110 Three-wire Consumer’s Services
) a, i: N; i } e! p6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors; J8 c& Z; y, J# m$ M
6-114 Methods of terminating conductors at consumer’s service
% x$ t# v: Z2 K( {* z6-116 Consumer’s Service Head Location
0 q( \ |! ^( i! k! {) a, OControl and Protective Equipment y- X& i' U) S& S! A7 [" w
6-200 Service Equipment1 c) G% O( P& Z" ^
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)& K* e3 w0 j% I
6-208 Consumer’s Service Conductors Location$ m+ F: ?$ ^3 i! @4 Q: ?" T9 [
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
; b# w r8 v8 C9 w6-212 Wiring Space in Enclosures: p8 p$ F' P) L- }
6-214 Marking of Service Boxes" j/ d/ n/ V& f, W
Wiring Methods$ d. X) o$ E9 C2 T
6-300 Underground Consumer’s Services, B9 E. F' k) A3 i# o
6-302 Overhead Consumer’s Service Conductors
6 s1 {5 P% n0 C y! ^& e6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable J+ u8 B" N* m6 q
6-306 Consumer’s Service Raceways" G9 k- t6 F5 q" g6 y8 D
6-308 Use of Bare Neutral in Consumer’s Service
. \; b/ C8 D' T, Z f2 D6-310 Use of Joints in Consumer’s Service Neutral Conductors
1 J" {& b, W/ L0 X7 f6-312 Condensation in Consumer’s Service Raceway
5 s+ t' T+ _: P7 }' t, q2 vMetering Equipment
8 C# F+ J+ F* Q" S- R0 R8 Z; G6-400 Metering Equipment
1 p: @+ N/ N7 C: N' q6-402 Method of Installing Meter Loops$ w& h) m2 n7 ?! D9 |
6-404 Enclosures for Instrument Transformers
" } g! [" }4 p6 P, y. p& a# p: U6-408 Location of Meters
+ f& T- e% i9 ]' N ^8 o& }. x* R8 N8 l
) m8 N# `/ ~( `: `8 L. X3 ~ V0 pSection 8 Circuit Loading and Demand Factors
+ t& P; a6 _: W9 [: A& ?6 \. k! n: TGeneral
g/ Q: P y! ^, d8-100 Current Calculations, t. p( i1 Q1 |; r; I
8-102 Voltage Drop ( see Appendix D)+ s2 k3 R6 y8 x
8-104 Maximum Circuit Loading
3 J) j7 k2 a) g7 o4 |9 _( `3 `7 z: p8-108 Number of Branch Circuit Positions& l, b" ?/ G$ y0 ^2 W2 `' ]/ y. Z
8-110 Determination of Areas
# U% m: s' y) v4 v: t' P) @+ rServices and Feeders# R, z" f- v$ w
8-200 Single Dwellings (see Appendix B)
) R7 p8 r+ \4 m! I7 t2 G8-202 Apartment and Similar Buildings
' \. R( e, R( w, Q8-204 Schools
+ v9 @2 L3 C) Q' A4 l$ i8-206 Hospitals2 A. d8 W! |* l; B& g1 v
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy8 j/ d" e( \5 K2 ]0 _4 n
8-210 Other Types of Occupancy (Table 14)
2 W2 P9 w8 n6 c& e7 m8 p. ?8-212 Special Lighting Circuits
- E/ |/ F# ]5 xBranch Circuits4 {# R$ o. h% V/ D
8-300 Branch Circuits Supplying Electric Ranges9 M" ?9 i/ e: X! R4 X7 i w6 E' R
8-302 Connected Loads
8 K% r+ p- ?% u' ?0 g7 p7 [! m: R) J
Section 10 Grounding and Bonding
7 E' K3 F7 w3 d" V+ \Scope and Object( m/ f& x1 S: C2 l
10-002 Object
, ^. Z9 i T1 f+ {! T, g0 }' bSystem and Circuit Grounding* ]- S% t7 k9 @* o5 k& Q& Q
10-102 Two-Wire Direct-Current Systems
$ F m' p9 _! {$ O, f10-104 Three-Wire Direct-Current Systems
/ w4 D* ~! c [0 m0 B( z; D10-106 Alternating-Current Systems3 `/ s) d# {5 Y8 Y0 ^! k4 b
10-110 Electric Crane Circuits) ~1 a; W6 l4 a' H g' w* \
10-114 Circuits of Less Than 50 V3 F: W, e$ v! c$ l5 s
10-116 Instrument Transformer Circuits
9 q0 s: g3 M9 ^. C' s# xGrounding Connections for Systems and Circuits( [4 Z& K* X$ b
10-200 Current Over Grounding and Bonding Conductors8 m% O/ F4 E5 x
10-204 Grounding Connections for Alternating-Current Systems
; b4 C1 D. q3 c: g- v n) U* ^8 o+ o10-206 Grounding Connections for Isolated Systems- h; W. d+ P/ z% i* N" U& H
10-210 Conductor to be Grounded7 I Q( L" u9 U# f4 c( i
Conductor Enclosure Bonding
+ W% k/ N( T, n5 c9 v10-302 Other Conductor Enclosures
. j# m& a5 d0 f1 `2 lN 10-304
3 \8 Y0 g$ a* Y* k( J4 QEquipment Bonding" ~0 H3 G% H4 v
10-400 Fixed Equipment, General o9 `) R; A- }% O
10-402 Fixed Equipment, Specific (3), (4)9 q9 Z9 B9 d3 [, x# K- I
10-404 In Nonmetallic Wiring Systems9 x) s8 U- i8 r0 ~, k
10-406 Non-electrical Equipment4 t' |+ Z# g6 }" W t% ]- S, A, R6 d
10-408 Portable Equipment (4)(b)! Z2 ^; {2 A& u7 }$ f0 G
10-410 Instrument Transformer Cases/ ~! l+ Q: t" y1 \% B
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less! n4 l1 O- y; a b
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V7 o( ]% q; v# k. p. |9 Z& j {
Methods of Grounding/ `7 {3 s9 W4 V5 e. z. I, ^
10-500 Effective grounding (see Appendix B); q# q( J" \5 x0 p9 n# W
10-502 Common grounding conductors6 O2 o& }! @8 M. ~* N. A# f0 p
10-504 Common grounding electrodes! z2 H+ c" U) d! \, R
Bonding Methods; A+ @( T- l9 _- i; h( M, Z& s! T
10-600 Clean Surfaces. s# p$ U4 T, X8 K
10-604 Bonding at Service Equipment F5 Y% T3 X! t% m3 o2 E% j
10-606 Means of Assuring Continuity at Service Equipment
7 Z: N! H; h4 N) [+ H& U! W10-610 Bonding at Other Than Service Equipment
, f! X. C8 m6 a10-612 Loosely Jointed Metal Raceways
' C* E! v3 k( H" q, F10-614 Bonding Jumpers Table 41" n2 j! q, a1 v
Grounding Electrodes, R$ U. \* t5 c
10-700 Grounding Electrodes
: D. z% `3 h* k10-702 Artificial Grounding Electrodes
- V. e& t9 d" v6 [N 10-700 & 10-7029 r# p$ p" _0 ^5 }$ H% u, u' _/ ?
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G), b0 L9 X2 y$ \7 V7 u/ a
N 10-702
0 K% L" z; e/ }6 |# X10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding( G! x% f+ ~2 L1 ]5 q- a2 x/ L U
N 10-702+ N' i o8 f1 l$ D: R$ |3 k e
10-710 Use of Lightning Rods (Appendices B and G)
5 d. ~" S E) P6 P/ s+ BN 10-706
1 w, h9 S* N* _8 f. [ LGrounding and Bonding Conductors1 u; X; C* b7 Y
10-800 Continuity of Grounding and Bonding Conductors
/ `/ K: A5 b0 p7 E8 d10-802 Material for System Grounding Conductors' E# A9 S" B+ i* S3 Z# K2 Q* K
10-804 Material for Bonding Conductors7 w( {( t4 e9 G7 X# _6 h
10-806 Installation of System Grounding Conductors4 z- G1 e' \: C2 D5 M
10-808 Installation of Equipment Bonding Conductors
* C) T) g8 M: i- n2 f. P10-810 Grounding Conductor Size for DC Circuits
$ T; s7 k- G W9 A10-812 Grounding Conductor Size for AC Systems (see Appendix B)
" j9 ^3 L) ]& v1 o10-814 Bonding Conductor Size (Appendix B)
: F7 o9 C& ~, i7 k5 W10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment; l- X* K( i5 V- r7 L. R
10-818 Bonding Conductor for Outline Lighting9 o' E$ ^4 C1 R( v1 g
10-820 Bonding Conductor Size for Instrument Transformers
7 |6 J' ?+ Y* D+ V4 Z% Z3 }* {Grounding and Bonding Conductor Connections7 Z) C% N# m& y' d7 h/ c C
10-902 Grounding Conduct Connection to Water Pipe Electrodes4 b( h% F; Q) a0 o6 R w
10-906 Bonding conductor connection to circuits and equipment: |' Z$ X0 Z2 s) ^! n
10-908 Grounding Conductor Connection to Electrodes
8 H; ^% e5 C# J6 o6 X' lLightning Arresters
' Z0 K* t' ]( [! Z/ m% M& ] ]5 g10-1000 Lightning Arresters on Secondary Services – 750V or Less7 {' T9 y, @1 E6 g6 j
$ J. e4 p! Y3 z
Section 12 – Wiring Methods3 _% b) ~" k( @, v$ v& l7 J
Scope
7 h& _3 [; x7 b0 F) K12-000 Scope (Appendix B)
/ w1 h. b9 g8 \1 p. f! M: XGeneral Requirement
& G& l6 K6 `2 i( c1 y6 a5 K12-010 Wiring in Ducts and Plenum Chambers
& A, v9 l9 t! `; e. @2 {12-012 Underground Installations (Appendix B)
) ^" P% Q* S$ E( {7 Q% ]& G. f12-016 Lightning Rod Conductors
1 i" O9 C2 u" g9 `: J- m; mConductors - General7 `4 E0 L& k* _ c; n
12-100 Types of Conductors (Appendix B) Table 192 u% Y" Z* }2 B& {- P
12-102 Thermoplastic-Insulated Conductors* ~5 u: L' i, f# [! H
12-104 Flame Tested Coverings
5 h2 b8 n7 J" V! W" |1 z5 ^0 k12-106 Multi- and Single- Conductor Cables
: b& ~0 }. p# F8 v3 Y' N12-108 Conductors in Parallel (Appendix B)/ o% H! l$ f0 S7 k9 H z
12-112 Conductor Joints and Splices
" W J$ _6 F% ]1 G* o- z8 }$ d12-114 Ends of insulated conductors
' U# f5 ]# P l/ c' A T2 e12-116 Termination of Conductors (Appendix B)+ C$ U, @( o9 p& a/ M
12-118 Termination and Splicing of Aluminum Conductors
- |) I2 p# R+ M* z4 g( w* [8 j12-120 Supporting of Conductors - Table 21 Z0 R" E. R; C8 y
Open Wiring
: r- ?+ t9 K; y- K+ K! q- E12-204 Spacing of Conductors9 s% u" x7 n: W6 F8 F, [
12-206 Conductor Supports
" R9 ^3 W0 R- W, s" E3 E12-208 Conductors on Flat Surfaces
; K, u* U5 c/ _7 h# p6 ^4 L12-212 Protection from Mechanical Injury
2 p" K8 T* I- K5 R( u& O9 vExposed Wiring on Exteriors of buildings and between Buildings on the same Premises
/ E b# x) `. K. E$ e5 v4 V1 f12-308 Minimum Size of Overhead Conductors
) p7 A; N9 S2 G- d, M# D8 G12-318 Use of Neutral Supported Cables" J0 s* {2 n) c# z) K8 `6 n! ?
Nonmetallic Sheathed Cable
3 V* g; A7 e9 J# O12-502 Maximum Voltage4 y7 _$ g, v5 b# n4 {. O" ~: v
12-510 Running of cable between Boxes and Fittings (Appendix G)
" a+ E3 ]$ p$ s+ H+ Q: _12-514 Protection on joists and rafters# a0 F |6 c6 `6 Y
12-516 Protection for Cable in Concealed Installations (Appendix G)3 I3 d5 K* S/ `- T
12-522 Where Outlet Boxes Are Not Required
3 H6 D; K+ k7 L, k) RArmoured Cable
u+ C" I4 y+ b12-602 Use (Appendix B)6 w& v- l1 W; `/ C
12-604 Protection for Armoured Cables in Lanes
% }/ }: V, b5 f: J5 V/ e: N: H* \, K12-606 Use of Thermoplastic Covered Armoured Cable0 }( u W3 G" ?; d/ p
12-608 Continuity of Armoured Cable9 E) F; M/ O5 }1 f5 t5 |; l; @( o
12-610 Terminating Armoured Cable6 z8 e$ K8 b7 H! e% L- ]' p
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems. m T, O2 `% {, b6 r
12-614 Radii of Bends in Armoured Cables
$ N E# C6 S7 ^4 R! m6 P12-616 Concealed Armoured Cable Installation
' l! \6 {4 N$ ]# R- U5 v& Q! Z3 V12-618 Running of Cable between Boxes, Etc7 O$ N E8 k. ]
Mineral-Insulated and Aluminum-Sheathed Cable
9 [. [ }8 S w12-702 Use
/ ?1 }6 s- S+ m3 A12-704 Use When Embedded
: F8 J7 ]2 w, {$ s12-706 Method of Supporting0 y+ C+ ?3 o. h5 ~5 O& ~: t
12-708 Direct Earth Burial* f" D2 G5 L5 q. i$ i3 V
12-710 Mechanical Protection0 M& S3 o9 D1 W' ]% I& ^$ J
12-712 Radii of Bends1 p8 w- l1 P% e
12-714 Termination of Mineral-Insulated Cable (Appendix B)
7 C' ^5 V5 {3 L) j: i12-716 Connection to Other Forms of Wiring) z4 g5 e3 x- I9 c; }6 g
Flat Conductor Cable Type FCC2 Q4 q3 q/ A7 Z% R: z8 T
12-804 Use Permitted9 v% v# x* U* r; Z" t+ N& |; p
12-806 Use Prohibited# V! a/ A) t9 }$ M7 l
12-818 Anchoring
+ u- M9 l- G3 s8 P7 d9 b6 j( D5 w12-820 Crossings9 I9 I/ T9 ^; n; O) I, ~7 G
Raceways - General# [, [. k$ s) M' o
12-904 Conductors in Raceways# l1 z) R; t; W6 f9 }8 U
12-906 Protection of Conductors at Ends of Raceways( m3 `# O; z% D
12-908 Inserting Conductors in Raceways
4 ~0 z; _. c' J4 P12-910 Joints or Splices Within Raceways
' L! I. P% l* J) c, [12-912 Stranding of Conductors
+ K% l7 F) |# G; q: k8 X" C12-914 Electrical Continuity of Raceways" w% p- [% k) ^
12-922 Radii of Bends in Raceways
2 F* A- o7 h, iN 12-922 Radii of Bends in Raceways Table 7+ z5 d9 K; A% }) N, k! D1 v+ }! W* G
12-932 Protection for Raceways in Lanes
* k1 @7 F8 _. h9 g3 a5 R. Y; H12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)9 ^# Z0 \. ~' ]
12-938 Capping of Unused Raceways0 U5 f. a; x( j; P. ?
12-940 Maximum Number of Bends in Raceways0 S9 t; Z, U% b6 J
Rigid and Flexible Metal Conduit
3 ?: _' L) ~1 Z% e5 i12-1002 Use
: T; @0 I- j1 {/ g; s12-1004 Minimum Size of Conduits, Q0 e j$ V- r% t+ `
12-1006 Conduit Threads (Appendix B)
0 Y8 k3 D5 W i3 z: Y12-1008 Thread Engagement
. o) a+ v7 Z, g8 `5 E' C12-1010 Maximum Spacing of Conduit Supports
8 j' u! U; s4 z6 i12-1012 Expansion and Contraction of Conduits (Appendix B)
7 {) H- A9 C: m* A/ b12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
% J9 Q- s2 s5 ZRigid PVC Conduit and Rigid HFT Conduit
0 H4 r5 |9 M7 V# k9 k; J12-1100 Use3 P3 }! S; a& r5 F" M
12-1102 Restrictions on Use
. x/ a* z- r" t# K0 m8 U5 X12-1104 Temperature Limitations (Appendix B)" A/ e6 W& d& a7 j* e9 D: j
12-1108 Field Bends (Appendix B), (2)
7 M; n$ [0 X3 ?, x: y; i8 d0 q' r8 {; d12-1110 Support of Luminaires3 k8 E' o7 F. Z z/ ~
12-1112 Fittings) J9 [' y4 }% x( p0 p8 v* O7 [
12-1114 Maximum Spacing of Conduit Supports# v. ~2 Y& k. N0 `
12-1116 Support of Equipment9 g+ M9 C4 W% i0 x# d3 m0 P
12-1118 Expansion Joints (Appendix B example)
; P1 s0 c- F2 N- q$ D" ]3 XRigid RTRC Conduit
$ R3 q& Y1 h/ J& l) D12-1210 Temperature Limitations
3 c3 r" ` s- p0 _0 Y# U* d12-1214 Expansion Joints (Appendix B)+ z9 j# J% Q. {& c" x3 M6 o
Liquid-Tight Flexible Conduit0 o' G8 N0 W+ a4 {. S
12-1302 Use of Liquid-Tight Flexible Conduit( J% F9 a: D" A9 h+ k( R" Z
12-1304 Maximum Number of Conductors0 l+ x, r/ b; ~% t/ r8 G
12-1306 Provisions for Bonding
7 I- D3 b( k0 C2 ~ LElectrical Metallic Tubing& A. s5 V+ M5 M5 b p" L
12-1402 Use
6 S3 x2 B! s% c1 {" y$ \! o12-1404 Supports! @3 T" v0 y4 D; m
12-1406 Minimum Tubing Size8 E, i) S. y [$ @( R
12-1408 Maximum Number of Conductors4 |! o' Y1 k0 A5 Y& |* q' O, U, J
12-1410 Connections and Couplings* X T- i& N: g% C+ f' r
12-1412 Radii of Bends in Tubing
3 d0 j4 B) m8 m9 JN Table 7
; ]& H% X/ ^8 eElectrical Nonmetallic Tubing
7 U& c; L: d7 u6 I0 o+ S: D2 H12-1516 Provision for Bonding Continuity" k8 h w- ]& c
N 12-15141 X, H: X" k) ^0 E0 h
Surface Raceways
1 G. W) O0 H& j) }5 T T y/ G+ I8 p12-1602 Use of Surface Raceway (Appendix B)8 [ b" U% y) P8 ^+ p3 l, O
12-1604 Temperature Limitations
0 C& Y6 g5 O* H: M8 H% v12-1606 Conductors in Surface Raceways (Appendix B)9 P# O2 [5 g X1 L* j
12-1608 Maximum Voltage$ b+ R" S) y$ ~9 }/ }5 F
12-1610 Joints and splices ' \' c% [/ i9 ?, b& |
Underfloor Raceways
5 |, p$ x9 r! [5 V6 y" X9 M12-1712 Discontinued Outlets in Underfloor Raceways. H- \5 |8 [9 ^ M# |9 Z
Cellular Floors
4 ?4 O# P0 q1 Q0 E* ^12-1804 Maximum Conductor Size in Cellular Floor
6 d# T7 m$ Y- v12-1820 Cellular floor discontinued outlets# T6 P8 v _5 t' q- q' j' M
Auxiliary Gutters
/ h3 l% q7 r C9 v) h12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces. o1 \3 b. u/ D7 _$ s; R" [ c x
12-1902 Auxiliary Gutter Supports
+ T4 Q2 ]" Y) A0 o# e' ^( h12-1904 Auxiliary Gutter Cross-Sectional Area3 A& x0 B: M- m2 I! V Z* |
Busways and Splitters
7 k( p, p+ c! L/ n+ W( O12-2004 AC Circuits in Busways and Splitters' o- |( g @) R* }6 F; S- S
12-2006 Busway and Splitter Supports3 @- E1 t1 @0 k3 k1 B- H
12-2008 Method of Installation of Busways
% g* f- f4 q- p |% V' n$ m7 ^12-2012 Reduction in Size of Busways
2 z! d0 `, i! D' ?12-2014 Length of Busways Used as Branch Circuits# `% y1 k' p& N! C
12-2018 Taps in Splitters2 y/ G( H: `& [. S3 Z
Wireways
& q9 b1 N" ]- t; n2 S. ^12-2104 Conductors in Wireways1 y" t% F+ {* o9 t0 Q3 B @- m, ?, D
12-2106 Taps and Splices in Wireways
8 @6 ?2 S1 q# n2 b+ c Cable Trays
$ V8 @1 @5 q3 `0 E7 B, I+ f$ D12-2200 Method of Installation (Appendix B)
( T% l+ S. C4 X8 s0 n12-2204 Joints and Splices Within Cable Trays
& H. j7 y2 i" B& s0 z5 T12-2208 Provisions for Bonding+ h$ h2 P1 d& A4 p9 \2 J9 c
12-2210 Ampacities of Conductors in Cable Trays! q- g" ]2 @+ D5 i4 V$ s7 i
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings* C Y4 N7 ~) _1 ~$ p
12-3000 Maximum Number of Outlets Per Circuit
( z+ L5 K; X& o2 DN 8-304
1 ^+ U* x5 n- I+ a) v! ?% A2 s12-3002 Outlet Boxes (Appendix B)
7 }/ H) e7 ]1 E: @ mN 12-3000
( e% G \) w0 `5 p12-3004 Outlet Box Covers" u) H4 V' i) |9 _, J- j5 ], P3 G. w
N 12-3002
9 d2 n- K% y. G12-3010 Boxes in Concrete Construction9 u; ~; M, U5 \( z! e1 W2 ` o
N 12-3008, U- b( d4 I3 x* t& `2 O0 k
12-3012 Outlet Box Supports
" f9 B8 Z/ Y% Z: v9 EN 12-30105 A( H) B7 d3 a5 n/ G
12-3016 Accessibility of Junction Boxes& j3 d9 e2 k$ B& p* Z( i7 A
N 12-3014
0 |7 W. X: ?+ `" g12-3018 Flush Boxes, cabinets, and Fittings
/ b. V1 F3 R q$ D% gN 12-3016, G# W C# h+ \
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) , B- Y9 }/ f. D, L3 S9 X
N 12-3022
+ t$ q: b/ X `, M' b2 {12-3036 Maximum Number of conductors in a Box - Table 23$ U) l) @, h- ^# o5 K+ [" F
N 12-3034: B; A: B: c( o8 N* i
12-3038 Pull Box or Junction box Sizes
0 `& p3 o) A# S- q l* aN 12-3036( T) c$ a) O3 q" w9 [
+ O8 E* ]$ l8 A; z
Section 14 Protection and Control
0 z, {+ P/ }! K' z7 V4 y7 @General Requirement
- c, E, U. l' r a1 T14-010 Protective and Control Devices Required+ z6 T* ^1 `5 |* j+ o$ x3 H
14-016 Connection of Devices
" k" j8 y4 N8 v( Q( `4 j. }! m Protective Devices – General: i+ I( v0 L" X4 @
14-100 Overcurrent Devices Required
" E5 X% O0 s7 |0 x6 d14-102 Ground Fault Protection (Appendix B)8 ?2 h5 X; x3 ^. V: O, e' B, k) }
14-104 Rating of Overcurrent Devices (Appendix B) Table 13+ x' |2 B4 b, o" H! n% P
14-112 Overcurrent Devices in Parallel; o0 V, c4 U5 M( i7 Z
Fuses
" y' L4 P7 i0 V& c7 {14-200 Time-Delay and Low-Melting Point Fuses- @9 T) d j0 x' ?
14-202 Use of Plug Fuses7 m' r/ K: K& l# D6 d" m
14-208 Rating of Fuses
+ U, c' {$ e- C& ]1 {7 ^14-212 Use of Fuses (Appendix B)
( m. U" h% T4 p# h- }Circuit Breakers
% t3 I+ D F) K7 m14-300 Circuit Breakers, General6 Z, d1 R9 A* J2 Y
14-306 Tripping Elements for Circuit Breakers7 P6 U B" }, \/ u7 w! L# l2 M5 {
14-308 Battery Control Power for Circuit Breakers! ]% {. A- I" ~8 f1 k9 B& _6 U
Control Devices - General. \! A. }2 d9 }0 g0 u+ l
14-402 Disconnecting Means Required for Fused Circuits
/ i+ l9 O; [, pControl Devices - Switches
5 l- Z$ ^1 e. R9 ^14-502 Mounting of knife Switches, N$ k6 A" C6 e. A6 t0 O
14-504 Maximum Rating of Switches( l! U4 L) _% \/ G: e2 [
14-508 Rating of General-Use AC/DC Switches (Appendix B)
1 D$ \! I& r: @: z _1 D14-512 Manually Operated General-Use 347V AC Switches (Appendix B). c( o M9 n* v& U* E5 D- A* V! y# i
Solid State Devices# n0 e' Z$ Z u+ ?
14-700 Restriction of Use
" K1 L, V& C/ {. A( s14-702 Disconnecting Means Required
2 [0 L1 k; J4 s" b
* ~( a& E6 r) I6 b& U' lSection 16 Class 1 and Class 2 Circuits
# C2 d% Q: `. B7 |8 iGeneral
7 x1 P) j J6 \4 p/ O16-004 Class 1 Extra-Low-Voltage Power Circuits* `+ _0 b% a0 _0 @3 ?/ z3 A
16-006 Class 2 Low-Energy Power Circuits e6 W+ q) s9 F
16-012 Circuits in Communication Cables/ D4 s9 ^9 [9 Q4 \" D# f, W& f @
Class 1 Circuits7 o4 y$ {* q! Q- Z5 j" d+ J0 R7 u
16-100 Limitation of Class 1 Circuits
% u5 V- K1 z0 {$ b M+ H16-104 Overcurrent Protection of Class 1 Circuits
; O1 ]% ?9 u0 ^ B2 v) |8 Y16-106 Location of Overcurrent Devices in Class 1 Circuits# a+ u) h- U4 i7 @1 S
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
6 k$ a) u Z3 \! E8 a9 x& K% R16-110 Conductor Material and Sizes
9 n: j: x! T3 |16-112 Insulated Conductors for Class 1 Wiring% C% n8 A8 V* w9 I( I% @' C
Class 2 Circuits* y. j; S- n1 O8 W
16-200 Limitations of Class 2 Circuits (Appendix B)
# L% f R: p* B6 T, U16-204 Marking
% ^- S; H0 t: r' b0 i/ [16-206 Overcurrent Protection for Class 2 Circuits
7 _9 k) C) X3 R8 f+ ~1 @) C16-210 Conductors for Class 2 Circuit Wiring (Appendix B), \/ F6 J; B( f5 Q: v- ]8 k+ g: i. L
ELC: extra-low-voltage cable9 F% k6 ]3 u- t4 K9 b/ [
16-212 Separation of Class 2 Circuit Conductors from Other Circuits+ @- K% n2 e! W' g8 Q7 \* o
- Z7 R! M5 O9 S/ G9 W8 x3 _! B* ~Section 18 Hazardous Locations3 z( X- P6 U( S; r/ ?* V
Scope and Introduction' r) I5 c2 u$ ?) _/ O
18-004 Classification
" H$ F# i) Z7 r) p18-006 Division of Class I Locations (Appendices B and J)
9 P9 E& _& r, h3 r18-008 Division of Class II Locations (Appendix B)6 l) X- i) m p' [9 N8 @
18-010 Division of Class III Locations (Appendix B). j8 M* `+ c" D1 q- I9 G
General
* L/ c. U2 w( u! K* e8 w6 ~18-062 Metal-Covered Cable (Appendix B)
% [- q% T x! F; H" |! @6 YInstallations in Class 1, Zone 1 Location |0 N) [/ R# ]2 s) ]
18-108 Sealing, Class I, Zone I (Appendix B)
$ ^ n# S$ i; _7 a
& I( y% `/ r# z4 ^4 Q1 u2 mSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars: n4 B$ p3 F) X, G: G/ Y
Gasoline Dispensing and Service Stations* Y4 r7 E/ Q; M2 {: y5 L0 E
20-002 General
6 W6 J2 i7 B2 j* t2 ?! d20-004 Hazardous Area (Appendix B)
/ L$ P* a- s' m3 CPropane Dispensing, Container Filling, and Storage
; P M3 d* \% w$ l1 i7 H20-034 Hazardous Areas - Table 63
. z8 F" C' r; Q: VCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
- _/ U0 l5 ^& r( }% ~+ O20-062 Hazardous Areas
3 U- R6 O" |3 V. ~8 ?( i$ FCommercial Garages – Repairs and Storage& m& D! ?( u& K/ y, t& V
20-100 Scope
' ?" q( x' @ E0 d# M20-102 Hazardous Areas (1) 5 y& `' i* _: p
, n6 r8 i5 V1 {) h% p) w+ Z! ^. }/ T
Section 24 Patient Care Areas
; z8 }* b0 L; M24-000 Scope (Appendix B)
/ D- @: {" o+ e: D8 T; d' I! o24-002 Special Terminology (Appendix B)
9 R2 }( R; O% }6 b- V Patient care area( y5 e) R* k; h: X0 A' T) |; h
Patient Care Areas
/ M4 o& q0 p. e( @9 H( k9 e24-106 Receptacles in Basic Care Areas (Appendix B)
+ N4 Y( R1 @( y4 n1 R% hIsolated Systems
+ N: H5 J- ]- w1 K24-204 Single-Phase Isolated Circuits (Appendix B)4 U, |/ t& w) ]% m: J6 m' {
24-2065 K2 c h6 X7 X: d. E
* R, Q7 l0 R+ H8 h+ Z+ SSection 26 Installation of Electrical Equipment
' _0 Y- W" a! p" a/ WGeneral
8 P8 [ _1 p5 J9 _9 t* b26-004 Equipment Over Combustible Surfaces (Appendix B)$ k" r3 w$ {/ L @
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
* H/ g8 Q c* E, y8 o- J/ H Isolating Switches
, D3 Q1 S: U' e4 ]; w26-100 Location of Isolating Switches% D6 R- T8 U) p7 {& n' O
Capacitors' ]6 r2 C9 B2 ]# M0 v" A
26-204 Guarding of Capacitors9 e) U. H3 v/ i, G: A, |/ p" A6 r9 r
26-206 Grounding of Capacitors
, |4 i6 g/ r3 Q: y J) _26-208 Conductor Size for Capacitors1 ^& q0 u. h7 \4 h! X
26-210 Overcurrent Protection (Appendix B)* S8 a: y" M4 a4 Z8 v0 O, d
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
" C/ p* Y6 g& P3 Y0 }* q# J26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
! [+ O- K6 t; ?1 j26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
& R; ?& }& B9 E5 f* p3 }1 w8 f. n0 v26-218 Special Provisions for Motor Circuit Capacitors. H8 R9 t: X u; y/ ]* ~
26-222 Drainage of Stored Charge of Capacitors: V+ c1 v; i- n+ Q$ {
Transformers
4 N0 [: X4 J# e6 f! S4 x26-240 Transformers, General' }1 P4 K/ S, J
26-242 Outdoor Transformer Installations
4 Z7 i5 x4 I3 S0 R/ a26-244 Transformers, Mounted on Roofs (Appendix B)
1 y+ D3 s# a! A, R26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)6 { i8 e) A$ z# {
26-248 Dry-Core, Open-Ventilated Type Transformers7 b7 L$ P0 o) `
26-250 Disconnecting Means for Transformers
" u: E) `" z7 J z U/ X/ T2 {9 ?26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V' Q0 e$ f, K9 h& s1 @8 I
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers. P0 f% _# e: }! y1 b
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
0 k3 w5 R% t, T1 a# V0 `! `- `) J26-258 Conductor Size for Transformers
/ v* p( M- F! ~3 x; d, N26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
+ f7 K/ m! R9 ~# j! a- [26-262 Marking of Transformers
) {% b3 S5 h' `, M: a' P! Q26-264 Auto-Transformers' A% F) F( u* G) v# Z( T2 u1 C
Fences( h( G2 d1 G" x3 `
26-302 Clearance of Equipment - Table 339 i" Z3 C# S4 k' E# B0 L
Panelboards8 k1 r/ P( @& ^" S' E
26-400 Panelboards in Dwelling Units (Appendix B)) @; H& S6 q/ r
26-402 Location of Panelboards (Appendix G)
9 m$ |2 g. `! aLightning Arresters6 F" g ?0 r0 `* G' m }8 O: t2 N
26-508 Connection of Lightning Arresters
5 u) C: R7 J+ M5 [$ kStorage Batteries
) G c. k6 E! I! J26-542 Special Terminology0 |0 l! u+ `7 M1 o" Y7 ]# Q" j
26-550 Battery Installation" c% N) L( u7 h; }
26-552 Wiring to Batteries
9 }3 i: h# k% dArc Lamps
) \, O9 g T7 s! q; e26-600 Location of Arc Lamps
2 F9 k4 N9 j* [7 E. T4 D26-602 Conductors to Arc Lamps& c; k6 f2 s; R+ z
26-608 Globes and Spark Arresters
' J! o+ [% w, U- M8 w) G0 ZReceptacles9 l: U5 e# J$ ]6 R8 S: C# W* }
26-700 General (Appendix B)
1 n; ]" \9 ~6 \( ` N- ]26-702 Receptacles Exposed to the Weather2 S# B9 t# X& x3 B, k
Receptacles in Residential Occupancies
) o. s( z& K) I26-710 General (Appendices B and G): Y( r2 G6 i5 o/ X2 Z( `( x' O9 J
26-712 Receptacles in Dwelling Units (Appendices B and G)
" W0 H' l' b' L# |, D6 t: K26-714 Receptacles in Single Dwellings (Appendices B and G). n' P9 h) ?2 \9 S
Branch Circuits in Residential Occupancies
. n0 \/ u- d' o8 O* U7 R4 c, I26-720 General
) s- c5 @ }7 y' g26-722 Branch Circuits in Dwelling Units3 R8 x/ R$ i% Q% f
26-724 Branch Circuits in Single Dwellings5 y( z n+ D3 V0 Y: }' F
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)/ f% ^. X6 r% ?$ P2 i+ C
N 26-720 (F)% r+ o0 Z+ S$ {2 w" T" ^
Electric Heating and Cooking Appliances# h1 J U' Y( B& k5 ^ y- J* V
26-744 Supply connections for Appliances, c/ m0 a. I, h" \2 X( V
26-750 Installation of Storage-Tank Water Heaters
+ N* y3 F" u0 Y( K f5 `! P26-752 Infrared Drying Lamps
% u" W0 L; i1 r* z( x
2 f% }* w1 L- @5 U& G4 K& eSection 28 Motors and Generators/ C* I4 n2 g0 ]; z# l. b- M d
General
) C0 s8 H( l* F! u$ I" T28-010 Special Terminology
9 y1 g; T3 R9 ~Hermetic refrigerant motor compressor" k) m4 g' [6 V+ ?+ I. {2 e9 u, k
Locked rotor current rating, y9 B! _2 O7 v: b
Service Factor
& }7 I4 x# |4 W+ d7 {Table 44; Table 45; Table-D2# L) T" W$ N, e5 _# t* ?
Wiring Methods and Conductors
2 c# q3 M- p, N! [6 m5 K28-102 Portable Motors0 @3 n6 O* l; H% m+ s" s5 Y
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
. i' J2 t) |; L( X9 q, z9 p* i. u/ m28-106 Conductors, Individual Motors
. W# v N. d3 v& B28-108 Conductors, Two or More Motors- l; r- y Q1 L% Z2 y" W8 q) x
28-110 Feeder Conductors
/ X8 c) f" q, F% u; q28-112 Secondary Conductors: a- J7 g! m4 O8 P7 u. o; c" `5 y0 \
Overcurrent Protection
" W$ x$ P! a1 U28-200 Branch Circuit Overcurrent Protection
1 a3 \! L5 u+ ]+ C% b28-204 Feeder Overcurrent Protection" B, t& |9 q0 _* m
28-206 Grouping of Motors on a Single Branch Circuit
" {- [6 a0 J/ n" J3 Y28-210 Instantaneous-Trip Circuit Breakers (Appendix B); \( l# }& W2 |( V
Overload and Overheating Protection, C( X" n0 k9 h- t
28-302 Types of Overload Protection& h; p8 e4 c: O, ]) T
28-304 Number and Location of Overload Devices (Appendix B) Table 25
- {( a7 c# ^" V; v9 W* |28-306 Rating or Trip Selection of Overload Devices (Appendix B)
0 E0 \9 E' z7 M, S7 Z; R28-308 Overload Protection Not Required+ D% t2 Y" q6 H
Undervoltage Protection 6 b) V# _+ t( a' W" \( p5 H
28-400 Undervoltage Protection Required for Motors (Appendix B)/ A t, H) Q& p @
Control
* T7 e: i( v# r6 t. _28-500 Control Required! G* _2 C6 i/ E C" p$ Q" n- L
28-502 Control Location" Z- }4 D9 x( t7 t1 _! U! h+ [1 y# j
28-504 Starters Having Different Starting and Running Position
& V7 M$ W. o$ M8 W3 X# `28-506 Grounded Control Circuit7 P/ n3 M. _) h
Disconnecting Means
5 v8 S$ ?* i- H28-600 Disconnecting Means Required( S8 o, C- O) J- K4 j6 U( r
28-602 Types and Ratings of disconnecting Means (Appendix B)
5 F3 h" B7 ~1 {5 E3 K% A28-604 Location of Disconnecting Means
" G1 j7 q% }3 J5 g% ~' e) M Hermetic Refrigerant Motor-Compressors$ l8 ? ^) o' U% }) B; _( h& u
28-706 Conductor Ampacity
# N& _9 P8 c( g) [28-708 Overcurrent Protection
) d. [7 |7 @8 J4 M28-714 Disconnecting Means
. q8 s7 J& U6 V3 L& {Protection and Control of Generators0 |5 E" t% R4 @! t& a' f
28-900 Disconnecting Means Required for Generators9 I0 U+ ^0 s7 Q
28-902 Protection of Constant-Voltage Generators
- Z& P$ V1 E' |+ D0 Y2 z5 F28-904 Generator Not Driven by Electricity" z$ e9 {7 G C/ `( p
28-906 Balancer sets$ a7 G9 O j2 [5 S/ y
28-908 Three-Wire Direct-Current Generators
$ K' }0 t, {! I; F5 n8 O# C9 S* X. y
Section 30 Installation of Lighting Equipment$ [2 G X+ U0 g
30-002 Special Terminology (Appendix B)
$ p3 j- o. w8 N2 Q7 u6 z; Q6 I# hGeneral
- R+ ^+ b, N4 i! y) \3 x30-102 Voltage
) W- s. H, R+ m) |30-104 Protection (Appendix B)
$ O( _% d; ?' |+ K2 @: i4 r30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment( Q7 G+ v9 t+ V7 ]# v/ S
30-108 Polarization of Luminaires
% I" t# ^3 Y H4 ~1 @ p30-110 Bonding of Lighting Equipment; r. |: B: u' D
Location of Lighting Equipment, d! c5 V2 v' y8 y/ R
30-200 Near or Over Combustible Material
: `$ [: ] D1 y5 _+ t30-202 In Show Windows! R, k" e8 D) Z) X. l' ~, G$ l
30-204 In Clothes Closets
- O+ g$ t5 t9 X; H2 ^8 Q! n3 x7 kInstallation of Lighting Equipment
, \; Z6 z' @- _2 e* E30-302 Support/ m* R4 }- G% ?- V% V" Q8 m$ u6 T
30-304 Outlet Boxes to be Covered% M H# @( W8 V5 C7 o' S! @2 J
30-308 Circuit Connections- [6 }- W, c2 _9 m* }/ a
30-310 Luminaire as a Raceway
}# g$ y% q% N+ u% r; h30-314 Minimum Height of Low Luminaires( t2 v# G- m: s+ L6 V3 \% l
30-316 Luminaires Exposed to Flying Objects) Y8 F1 {/ d" R
30-320 Luminaires in Damp or Wet Locations
& m+ e9 J2 j3 ^% @' `1 zN 30-318) m X# [6 h+ E7 G
Wiring of Lighting Equipment
8 g+ j0 I: c% C2 ~5 e$ y30-400 Wiring of Luminaires8 A+ A6 \5 [3 G7 w: i1 G4 G: y0 {: @
30-402 Colour Coding5 R4 }2 ?" t4 {
30-404 Conductor Insulation
2 k0 ^* B+ a4 y$ G2 U' {30-406 Conductors on Movable Parts
/ n: M) y3 k J% l30-408 Wiring of Ceiling Outlet Boxes z; s& ?% \9 S7 Y) _2 E1 i
30-410 Wiring of Show Window Luminaires# @1 ^2 a4 l' T) x0 y- d6 o
30-412 Tap Connection Conductors
( e5 w9 ]- _8 y4 O9 K# SLuminaires in buildings of Residential Occupancy
) l6 H2 o7 q5 c: ^30-500 Lighting Equipment at Entrances (Appendix G)
8 w, ~2 S6 L: o30-502 Luminaires in Dwelling Units (Appendix G)- V6 b0 l2 e% ?0 ~! y
30-504 Stairways (Appendix G)2 X: t s" W# M; Z" B# b# `% ^
30-506 Basements (Appendix G)4 V8 G! L* w+ F4 s8 r. X2 U" g" u
30-508 Storage Rooms (Appendix G)
" F+ b) @/ R7 ~4 D4 \5 ~, S30-510 Garages and Carports (Appendix G)
( u& m$ o" f' Q1 ~' iLampholders
- Y; ~9 Z9 W% S# s30-600 Lampholder rating with Incandescent Lamps6 x. v& f# Q) Q4 @+ t3 U
N CANCEL& _7 K$ N$ v$ G
30-602 Connections to Lampholders
# C& N& A5 T/ I5 s6 D* k6 ZN 30-600. m. l6 i* f1 @5 u: L1 f
30-604 Switched Lampholders Used on Unidentified Circuits
S7 P7 S1 q& J6 x7 ]N 30-602
% W, c/ M/ Z2 \. ^& L D30-606 Switched Lampholders with Pull-Type Mechanisms
6 c( A3 m; d& `0 P4 Q0 ]N 30-604$ L8 j% t) S# u& f2 P$ q
30-610 Pendant Lampholders5 r" d2 t& L2 j6 @. k2 j2 p9 ~) c2 L
N 30-608
" m4 {+ U+ o+ r0 n7 q b+ |Electric-Discharge Lighting Systems Operating at 1000V or Less7 J2 M. p) Q4 c4 Z/ T3 c5 U
30-710 Control (Appendix B)
9 A2 Y- z, ?' g# @2 u30-712 Branch Circuit Capacity/ w$ y+ \1 p% F# L. M5 @
Electric-Discharge Lighting Systems Operating at More Than 1000V
, L5 u; ?. b3 z7 X" h7 q) T0 S30-802 Voltages, Dwelling Units8 i" n+ Z/ L P- I
30-804 control (Appendix B)/ o5 A9 ?4 U9 @+ M
Recessed Luminaires (Appendix G)
, @; X$ a e. e+ P30-902 Spacings for Non-IC Type Luminaires/ m; A- k: D P
30-910 Wiring of Recessed Luminaires (Appendix B)+ x# N. G- u" V, ?9 |, X; ~2 j
Exposed Wiring for Permanent Outdoor Lighting
1 g B7 T, O1 C30-1120 Branch Circuit Loading and Protection+ f& k4 V" J5 L0 ?6 ?0 j
Extra-Low-Voltage Lighting Systems
0 O, `% D$ ] D% X2 e5 ?30-1202 Sources of Supply
) B* H7 x. z0 H8 X$ j- F( W2 g+ b, U% M8 D! \2 o1 a0 g1 f; U
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
3 j" {, I+ y. tFire Alarm Systems2 r& u I6 q+ P [* _! K7 z n8 [
32-100 Conductors
; A9 u! n; G6 ?3 f$ n, K32-102 Wiring Method
, r: t# c$ D5 _: A) p$ m32-104 Equipment Bonding
) r3 @7 r1 P1 Z, a# [32-106 Electrical Supervision% L$ ?& Q2 d4 M0 P: W* r
32-108 Current Supply+ C6 s* q/ \4 S. a9 q+ w# ^
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)/ T2 I# K; Q1 V; O, w* |) A$ N
Fire Pumps, d/ B" O* f: {) g8 B) j
32-208 Overcurrent Protection (Appendix B)! {0 k2 k5 l% u
N 32-206, V# v3 H U0 u: A5 R: J
32-210 Overload and Overheating Protection (Appendix B)' `' P2 u+ [; O
32-212 Ground Fault Circuit Interrupter (Appendix B)
$ V$ x+ m- l U( E
q. Y3 L2 O6 ?3 BSection 36 High-Voltage Installations j: J E% h: `5 P& v E' d
General
; Q" i+ ^$ t5 d: B: q36-000 Scope (Appendix B)
1 _7 C. X" g* k& n& V4 `36-006 Warning Notices% K0 V/ v* f( D8 E1 |# N: `' y! Z
Wiring Methods
- M& C# f: m O- k" d36-102 Radii of Bends
. |* l9 e7 M9 q$ j& I# r' `# N36-104 Shielding of thermoset insulated conductors
7 S% w) W: R" u3 ?+ D36-108 Spacing of Exposed Conductors (1) table 30, table 31
9 s8 q) K% T( c8 c( p( @) c4 s# K36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34% K1 G' K$ T3 q d/ D& K
Control and Protective Equipment, U1 L& d( B- S' A, A
36-214 Disconnecting Means
7 m1 \! L5 U5 ~7 A1 {% h, S% K Grounding and Bonding
/ V, J) O2 R4 W5 H1 T36-300 Material and minimum size of grounding conductor and ground grid conductor and connections8 t$ L' }# d1 u8 a5 ^
36-302 Station Ground Electrode (Appendix B)
3 Q0 F3 R% i, s" @0 z. f8 _36-304 Station Ground Resistance (Appendix B)
7 G' \9 g5 M2 d* z; b36-308 Connections to the Station Ground Electrode (Appendix B)
$ M2 B% l; y# o0 \+ [* J36-310 Gang-Operated Switch Handle Grounds' h9 p: c4 d9 N2 D, P1 r; ?* H
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations5 ~7 f+ ]( U! q, [* J$ {2 A
# ~6 Q) n3 {: _# Z+ a; h/ I4 VSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment; ~$ C/ t) a; }. v
38-002 Special Terminology (Appendix B)
# O- a3 G; f8 _# M& m( n38-003 Voltage Limitations (Appendix B)5 P3 @+ r7 m) L7 ^ m
38-004 Live Parts Enclosed
$ H2 Y* E9 i# c! n- V) K38-005 Working Clearances
" [: Y( ^% S' P1 |# C, g( f38-011 Insulation and Types of Conductors6 k" z* L8 h9 |: M) Q+ N7 k9 R7 D
38-012 Minimum Size of Conductors
) i2 x. a) b9 H$ p+ i
, x5 j$ t2 x- t% G6 g) KSection 40 Electric Cranes and Hoists. A& `6 E4 P/ {
40-008 Disconnecting Means
" A% e) a' V7 D, s40-010 Main Contact Conductors/ U! J% r7 J) [5 u8 ]/ e
; P5 Z5 I) p& y" O+ BSection 42 Electric Welders
6 X$ K) \" u5 }5 ?) G. ~9 FTransformer Arc Welders
8 L. i- [) C, Q7 e6 |3 ~* y42-006 Supply Conductors
! U1 C$ v3 ~2 Y
. n9 ]/ H/ U4 A( M/ w! n* O7 B9 b3 HSection 44: Theatre Installations/ C% T3 t2 u3 J, T+ n
General
' P8 T1 o8 s7 x8 U# s }44-104 Number of Conductors in Raceways
. L0 A6 L5 ^) w* M44-106 Aisle Lights in Moving Picture Theatres
- B- t3 o% W3 V; @* z: U; iFixed Stage Switchboards
- j- N+ G( X5 F9 b* W% b2 h44-210 Overcurrent Protection9 i& Z2 v% _# M" h
Fixed Stage Equipment
" K+ L' R Q4 `: [0 a* K$ K44-324 Receptacles in Gallery Pockets
5 O. p6 e! q) \6 T! `44-326 Receptacles and Plugs) u O* f0 {, j3 X0 b
$ {# N4 A- a5 s! H% B+ r. u
Section 46 Emergency Systems, Unit Equipment, and Exit Signs1 B$ x1 h0 @, k* @6 o1 e
General
" L& a8 ^' b& u: L0 f46-102 Instructions& `1 Z- T0 o0 a# ?* m
46-108 Method of Wiring (Appendices B and G)% V2 n* ]- }* J. f4 }
Emergency Systems
6 K" k" a; \5 Q. j& |46-202 Supply (Appendix G)3 f1 V- l0 b6 j6 k; S% A
46-204 Control
. \* K3 X! M/ Z o46-206 Overcurrent Protection
! t4 {% X9 {( q/ O8 I4 \; r6 Y46-210 Remote Lamps% M5 p+ Y; B% c6 [) y; F9 l2 n
Unit Equipment
, t5 z* \/ K+ i# B% _5 P46-304 Supply Connections
* E' \! o# W0 K; ~ [" D& v, X46-306 Remote Lamps (Appendix B)
$ _/ Z. b7 C2 f FExit Signs7 J' c' [ ^" K8 n, t. t2 y( u
46-400 Exit Signs (Appendix B and G)* E8 G P% ]: n1 n" q
7 t! t" Y4 A0 G. w1 }* ASection 54 Community Antenna Distribution and Radio and Television Installations
5 P" V9 ]# _+ j; @1 z54-000 Scope
4 @9 F$ u- K# F3 T% d& d54-004 Community Antenna Distribution (Appendix B)& Y5 V: }- z/ Y
Community Antenna distribution
" O+ L" ^( Y# X54-100 Conductors; E" R4 ~2 _- `0 x8 l. e
54-102 Voltage and Current Limitations (Appendix B)9 s+ t7 c' o/ \; d, x7 E; y
Protection6 E f( F: A: ~( S
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
. a u; q) b, h2 z* _1 u) AGrounding
+ `/ z ^6 G# x$ `' p5 |& n54-300 Grounding Conductor
, l- F: M+ P* j9 q. r% ~( A% _Conductors Within Buildings* S. i- M% [4 s: \- z( V( u
54-400 Separation from Other Conductors! n* E) s9 K( o# ^+ {% p
Equipment
4 z6 z. ?% z: m, G3 E54-500 Community Antenna Distribution Amplifiers and Other Power Sources2 X% Q* F- N0 Y! L7 [ c
54-502 Exposed Equipment and Terminations
- Y9 Y9 A2 j2 Z; y6 y- \
6 c j4 o$ z) c+ n% J* USection 56 Optical Fiber Cables
8 e- @" G, C' ?& P+ C4 L* `General
* u' \: ^& j2 |7 Y$ j% b k9 C56-100 Special Terminology
$ A: |% Q8 {; }56-102 Types
$ _' h9 p: E: ~Installation Methods
$ J* j6 Y/ p; P; [% H56-200 Nonconductive Optical Fiber Cables (Appendix B)
, H$ {- K+ I& t: p56-202 Conductive Optical Fiber Cables (Appendix B)8 T# x: J' [7 D1 j/ u2 J
56-204 Hybrid Cables
8 ]6 w$ B; d9 u6 _" ?$ V56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)6 D _4 h w: B& o6 F6 M
O/ L: S% ~& l
Section 60 Electrical Communication Systems
0 L, A+ f( n* b4 }. tGeneral
- {7 c: z, {+ d" [60-100 Special Terminology6 A* O9 N/ q% {$ P
Protection7 Z3 l5 X& G8 l
60-202 Primary Protector Requirements! q* e9 T- A& }; E* \5 C
Inside Conductors5 B! B5 U1 N( ?2 R
60-308 Separation from Other Conductors
% {' N! p" l+ t( l( vEquipment
) Q/ w W I {6 p6 R7 [4 D60-404 Exposed Equipment and Terminations) ?# {5 A9 g6 W! V0 k
Underground Circuits
6 Z7 U% N& d$ h# t$ B60-600 Direct Buried Systems1 u; q- r% k" o3 N4 c ~
$ \/ Q! a5 C9 g) e1 n5 d8 ?Section 62 Fixed Electric Space and Surface Heating Systems
. K& C# l3 `2 M) X% t! b8 EGeneral
9 t( C) n0 c1 n" L4 K& ]2 l x62-102 Special Terminology I' i9 t. m/ _( X) i. \
62-108 Branch Circuits L2 E; v3 \) i( I; Z& |1 w. \
62-110 Installation of Fixtures0 _( \" f. t) d
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
, ?# ~! u0 m$ ^# c2 W4 e. t4 j62-116 Demand Factors for Service Conductors and Feeders (2)
! ~5 `( h* M! A62-118 Temperature Control Devices5 [5 d4 U ]$ ~
62-122 Installation of Series Heating Cable Sets (4)(7)! G8 c' K# \! L1 {# x' {0 x& \
Electric Space Heating Systems
: P5 p1 p# t' _+ V: ~62-202 Temperature Control1 L/ C# ~9 }8 @! [/ a* V- F
62-206 Proximity of Other Wiring (Appendix B)9 y8 q+ N4 d1 }
62-214 Installation of Heating Panels and Heating Panel Sets
3 R8 c! o# V: l$ `- @62-218 Series Heating Cable Sets in Cement or Plaster Ceilings) V+ ^; ~' V/ I& ^" ]7 Y
62-226 Installation of Under-Floor Covering Heating Panel Sets
, Z5 ? K) ~! {: P) d4 sElectric Surface Heating Systems U1 C. T+ L. `. E% F6 X# v
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface/ W& Z6 \7 L r1 N8 g; X5 A& o, E
* K1 D9 a% m9 V" s5 p6 A/ ^' t1 Y
Section 68 Pools, Tubs, and Spas6 G( c+ ~; V0 x4 j4 W
General
; }! G( _: c, Z! N5 d. I& J68-050 Special Terminology& U& l9 _8 @7 i0 X8 e# I, D
68-056 Underground Wiring - Table 61 H2 s' F' h9 Q0 L) B: n
68-058 Bonding to Ground (Appendix B)
3 p3 n; ]1 a5 O5 `2 Y( ` Q68-060 Junction and Deck Boxes (Appendix B)
2 \- ^6 S8 Q1 `68-064 Receptacles
) {% O9 Q- I' R" Q/ v& ~, {68-066 Luminaires and Lighting Equipment
2 |0 e' z6 P/ N' n0 c; y; V' k68-068 Ground Fault Circuit Interrupters (Appendix B)
3 ~: Y, S4 t3 M& Y+ }3 k+ `- g$ G) I* ]2 }( I5 v
Section 70 — Electrical requirements for factory-built relocatable structures and 9 W; G4 `4 i& d4 k+ X5 V9 }
non-relocatable structures
* _( [) D! }& m p4 ?70-130 Tests (see Appendix B)
( q" D8 ]' v7 p7 y F
3 {$ a4 ^7 z2 O8 ?Section 76 Temporary Wiring (Appendix G)' l+ u0 ?% b- {- F+ N" f: G9 h7 z+ [
76-004 Grounding
* @* J$ U9 u/ t( Z# G76-008 Service Entrance Equipment
+ r/ e7 O( q0 ?8 D- W- @N 76-006
$ n' A" h' K( j( o. s76-014 Branch Circuits
# J+ ]$ w, w; n5 |5 q' vN 76-012
" l* E2 B' y: r4 o1 G
" X }& T2 \0 b& i" t; N# h4 DSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours5 J+ B6 H& K- g+ Z* x1 H
Marinas and Yacht Clubs
/ p9 k# t! I3 I5 j78-052 Receptacles
$ {: J' V3 b7 |78-056 Feeders and Services
- w$ @" D0 Q! z. YMarine Wharves, Structures, and Fishing Harbours) x2 b6 S% N! g! ~7 A1 v
78-106 Grounding and Bonding
; ^: j t# {7 U( rTables' p' h2 C$ x5 }4 Y8 T' p
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
' f$ q' r% ~& {7 j- z$ ~. c6 s! \: n7 P1 ?
Diagrams: 1, 2, 7% y+ U) R# |! C" D) ]
5 F$ P' {& I8 ?# w
Appendix B
! U. J1 U& O% ]/ T; zP352: Ground fault circuit interrupter- 6mA
/ y" h: I1 `1 {$ `4 C, B, NP354: 2-126 FT1, FT4
! Z) g: {$ n- R& v4 L& c( _4 LP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
& M" C3 h1 f6 |( sP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
3 _0 R& Y7 b# K3 O* f) sP370: 12-1012, 1118, 1214 Example:
: D* ?: }$ v! M) r& HP371: 12-11083 u7 Z- d! u+ ]0 c& G5 ?
P381: 18-108(1)(b), 18-158(1)(b)% Y- C' l( S$ U$ e8 j8 v+ H V
P386: 24-206
3 y$ }' Y& e9 J: j5 UP389: 26-256
* S j2 m: ^" l- T5 N: C0 gP391-P393: Section 28, Example to determine Motor Conductors and Protection3 U( O1 I" T% T9 e/ M
# Q# A/ c7 E/ w! |5 s
Appendix D8 j$ ]$ u/ L0 \! P6 E
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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