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Canadian Electrical Code Review Guide
. f! e' _4 Z4 }6 V# Z" f2 FFor the Exam of Electrician For Red Seal License A2 q! F9 x7 @
" o& o, [' N( d, D: P8 j
Lesson One3 [* L% I9 b) c7 j/ Y% p
Section 0 DEFINITIONS
9 O% b; S& W! @- S; N% f6 LThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
6 P: y3 j \4 o! t" J! rAccessible as applied to wiring methods
6 `- P: y5 m: t# e* uAlive or live" h Q/ g9 _2 F' n3 K6 @
Aluminum-sheathed cable
* P; Y1 Z% o3 `# a3 e$ u: F5 G' LAmpacity- W- V: D0 W+ z; h: o I
Authorized person. w0 y2 t8 W, _/ W
Auxiliary gutter, e7 T# r. ~1 n- B9 j
AWG( z8 C, V' U" w9 Q4 x+ ^
Bonding3 u& ]; d7 W" K+ m% V
Cable tray- u9 O$ c9 Q- _ C/ x
Cellular floor
, `* ?' N, M% w0 a* D1 e) ^Branch circuit
7 c9 F/ u \- P' o1 f! iBus
$ i# r4 u+ [+ ?$ T5 W0 c4 ^5 eBusway
1 f4 D4 U n" }1 b! K/ L8 G" O' @Communication circuit$ P. I" [" l# Z7 d
Extra-low-voltage power circuit
- w4 R3 e: N( r' M8 yLow-energy power circuit( T' T1 y3 Y4 S4 H
Multi-wire branch circuit" @" Z% \4 b+ u. [! o* e7 g& b
Remote control circuit3 X9 h' o8 x( U$ d
Signal circuit
: \: ^) e! Z8 v0 Y- tCircuit breaker9 |9 A o+ X H2 D. Z
Instantaneous-trip circuit breaker& f# t$ X0 [& E! D! p4 M
Conductor
& M5 |. P1 O! lConduit
! ^1 ^4 ^* B' H- `5 d& ? Flexible metal conduit* l; B0 a3 X+ a
Liquid-tight flexible conduit3 m# b# O) D* A. k" J( S' W9 t/ f
Rigid conduit9 J; F' K' J6 L6 H0 f& f( l; _
Rigid metal conduit
$ T6 H3 B g" [& U4 n Rigid nonmetallic conduit
. c/ d! R* p, _( L2 ?1 P& Q Rigid PVC conduit
& x `2 d# s7 VConnector8 {8 R/ Z/ D2 Y; k/ H) m8 d
Box connector
5 J' T/ g8 d# O; R, [/ D Wire connector2 J' q* L! e7 b% O* @8 j' y
Controller. U- c* P. `5 Y1 |% f% |( ^6 J: ?
Disconnecting means4 I" ]0 _; D" u' U4 Z2 Y9 l4 \+ U
Dust-tight
4 S- @ {! u5 P5 ]0 t3 r/ }) xDwelling unit
8 q2 Z: c' c7 u0 L' X/ \7 @Electrical contractor
! I% M8 [* A! M: I, g% C$ [Electrical metallic tubing" g( E6 a, W2 B
Electrical nonmetallic tubing; q- T% j* G& u: k) A9 q
Emergency lighting! c* K6 Z' A3 b& N) s7 ^
Explosion-proof
3 [5 D( c* A5 h! s3 M j" l. I: OExtra-low-voltage power circuit- e z% Q. c( S
Feeder
& h0 c( k3 ]! u9 hFlexible metal conduit( e& S' t2 O$ M: a/ j, r+ ~5 `
Ground# s" ]9 o) s. B! R8 t
Ground fault circuit interrupter0 Z- D% @- w% {" L+ L2 C
Grounded
% D! u/ y7 v7 ^) s1 fGrounding
5 q: b4 P* S* _4 e1 V, A/ |/ RGrounding conductor
* T; U( s0 O: d6 e0 L8 ZGrounding electrode7 A7 ?9 }" U: L0 m3 ]
Guarded% l9 W( |1 p5 M% o% o
Hoistway, J- Y( v: Q# l/ G- s
Identified2 f" v+ B4 `" v* ?( m
Lampholder
: }. ^( R5 N1 u+ xLow-voltage protection3 j$ j, a1 l5 w0 I2 H3 v
Low-voltage release# V$ }1 {8 e4 w7 g. r& Z( N
Neutral- y% `0 U, N6 P7 u u& P) ~8 D) n
Noncombustible construction
. A; ]+ i3 V u7 i2 l1 T3 q$ |Outlet" L. i* z8 h) o+ C0 o0 z
Outline lighting5 B2 X: v1 A3 ?. G1 {
Over current device; l: _5 }$ a2 \+ g6 N
Overload device+ U1 n% s. h" ?( W# r
Panel board2 D# L8 g& i5 g% ?0 A' J! t+ W X
Panelboard, enclosed
, q W3 {/ O) R3 N/ j9 u+ X# v& ?Permanently connected equipment
9 S7 d: C" f# M2 J% _7 QPermit, a) |: K( t. f* z
Plenum6 C6 M' T5 m! C( x! W
Portable as applied to electrical equipment
: v$ ^: y! T" @Portable ground fault circuit interrupter+ q0 j r' K/ a
Power supply cord
3 K- O R+ d' R* Z; ZRaceway0 J3 o# K$ f, T+ L, x
Receptacle
7 o$ B, @, n3 v Duplex receptacle8 u- B! t) P) d0 q
Single receptacle0 ] S+ Z4 Q" K& Z% f4 R
Split receptacle
/ G$ c9 `& n6 R+ AService, consumer‘s# H4 N; X4 s4 o
Service, supply+ |. h' B5 W9 @3 a! Y2 Y6 W8 z w
Service box
' |, U: A1 g1 v6 b1 U( fService room0 T: p4 |9 M7 P; f
Single-dwelling
8 h- Y. e- F- Z$ R( [ YSlow-burning as applied to conductor insulation
( K; _4 l6 B& P% Y( E. KSplitter; Q! g* B3 E, B
Starter* i0 T) ^1 U; q
Switch
" n6 f# T+ v; h7 O. w General-use switch, L1 x% X" B% w. N5 I; G8 {' w
Indicating switch, Z: {& F: d2 X2 V) W/ {
Isolating switch
& B3 U5 O' K) Z6 c( K Motor-circuit switch
" A+ v& z! P; O& lSystem
6 W; D& G" E. Y9 J0 q! u5 q Communication system
1 a$ ^, B; I4 D, P$ f' ^5 m, @; t Community antenna distribution system(CATV)& i$ J% p; ^# x
Grounding system9 {) B% c- E( C5 X7 `
Underfloor raceway
0 K# O0 \+ q- ?% ]1 f% `3 kVoltage: H" q$ E/ ]( c# Z }6 }* M) {, F6 C" o+ [
Extra-low voltage. c7 @- @: o( I& m, d4 G
High voltage
6 W9 c$ s; Y- E* L G4 ~+ Z' U Low voltage' v. n% B% s7 k
Voltage of a circuit/ O, s7 A. E: a8 w2 J% E: j
Voltage-to-ground
1 u) I8 z- d/ uWireway
& x; n u" w& c4 m+ d- M/ C& g' a( A5 k9 v# V
Section 2 GENERAL RULES/ t$ U. A9 v1 \
Administrative
) k. e7 h8 T- S# C: K; d2-018 Reconnection
% _5 d# e6 }5 |5 J& L3 Y5 p2-030 Deviation or Postponement
# q& t w( u( Q% x6 q/ y7 O& XTechnical General# X/ U+ l; t( x5 Q
2-106 Circuit Voltage-to-Ground – Dwelling units3 _5 s! l" z2 u8 u9 m
2-114 Soldering Fluxes
! J+ m" d6 K- C: q$ T0 @2-116 AWG Sizes of conductors$ ?" g9 X$ @4 b Z$ t* h
2-124 Fire spread (see Appendices B and G)4 J) T3 k5 G. Z" U: M
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)( w. u! f# B2 {2 S
Protection of Persons and Property
) c; q, ]7 d' g( r6 V% R! u2-202 Guarding of Bare Live Parts& p8 o# y# t% `* P3 P, y& }0 q
Maintenance and Operation
- U/ r0 `* Z: b' m- |& Y p2-304 Disconnection
( {# @; R: r1 R; h% T! _2-306 Maintenance of Live Equipment
, l _$ e+ Z$ y! fN 2-306 Shock and flash protection (see Appendix B)+ B. |1 s9 e9 v/ p. F, J& c
2-308 Working Space About Electrical Equipment: Table-56
* a; I J; I( _) k5 c6 I2 z: `2-310 Entrance to, and Exit from, Working Space/ q4 k+ m q6 O5 V2 Y% f5 I0 ?
2-320 Drainage
_1 K$ \& W8 y, F4 V5 a; @8 Y2-322 Electrical Equipment near combustible Gas Meters and other Devices; [/ b% Y p6 ^: N; U# O: P) l
Enclosures: {5 u! h8 @) i4 X$ S3 F* o
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 3 G: I/ l4 z; W5 r5 z6 G' R
2-404 Marking of Motors: DP, WP, TE O7 ^2 S0 ~% c8 s
: o6 W' w7 p# I; N6 v# BSection 4 Conductors
. {8 ]% h& U% y; o: y1 n1 }/ Z4-000 Scope& z9 M+ o( |4 Z, h
4-002 Size of Conductors: 14#, 12#" d/ m6 m) ^# W& I+ c
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36$ H( P/ n9 H1 g1 P! h
4-006 Insulated Conductors: Table 19* r, z! u. R% i% m
4-010 Uses of Flexible Cord: Table 11# ?; \# i! X* o# Y# [7 t/ z
4-012 Sizes of Flexible Cord, ^0 ~; x l8 n H
4-014 Ampacity of Flexible Cords: Table 121 B4 l$ A( \6 a; j. N( c0 F h! C
4-018 Equipment Wire
9 R* a( A7 ]3 e- X6 l7 h ~4-020 Insulation of Neutral Conductors
4 O$ h$ w5 P. {; ^6 n$ `' W: `) Q4-022 Size of Neutral conductor
+ }( n) s5 B1 U u9 h: C4-024 Common Neutral Conductor# r4 G6 h2 r' K0 ~8 a
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
2 @0 N+ T9 H& r3 V; `: G7 x' |4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum2 T) F9 I4 R J
4-032 Identification of Type MI Neutral Conductors
* D7 t! D7 W' G1 n4-034 Use of Identified Conductors
& G" Y3 t9 ?' X: Q' g4-036 Colour of Conductors: Phase A, B, C, …. E! ]) Z9 P" p3 [
7 y. u! j6 f$ S( U" d
Section 6 Services and Service Equipment
1 |, I0 k9 g* M: p/ P' \General* a5 O' a* }; o+ i% u
6-102 Number of Supply Services Permitted. ?6 K' e" N# j/ e9 X) \8 h" A! `
6-104 Number of Consumer’s Services Permitted in or on a Building7 t/ I# S( o# s$ X
6-108 Supply Service from an Electric Railway System
+ h' `6 D& j2 ]: A6 d6-110 Three-wire Consumer’s Services
* V& _) e7 s# S7 E. E6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
) Z" G, l7 l# z1 U6-114 Methods of terminating conductors at consumer’s service: b5 C- S. B% y# ?; ~
6-116 Consumer’s Service Head Location7 L; O8 G$ u: T2 p" A
Control and Protective Equipment7 h$ {9 n) p' c9 B" `& |
6-200 Service Equipment/ ?& s* J2 f! J2 k3 _/ X
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
@. s2 z/ K5 n5 L2 e9 p6-208 Consumer’s Service Conductors Location+ w2 w* q2 w% V4 Y' X$ }
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
: n5 e4 a! R* ^6-212 Wiring Space in Enclosures, l6 j5 Z) q, P5 y# O
6-214 Marking of Service Boxes. w7 o$ r9 |! f5 x9 r) ~' w! R P
Wiring Methods; A8 V/ T+ U$ ^, u4 z1 k
6-300 Underground Consumer’s Services
9 t, K8 U4 Q' [# y, P& p2 B6-302 Overhead Consumer’s Service Conductors1 ?) J' K) B# O! S( r O7 k
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable2 I$ x0 F# j, o' N& @; V9 v' @. m1 J
6-306 Consumer’s Service Raceways
% R& z; e! |: c) p6-308 Use of Bare Neutral in Consumer’s Service$ n) @0 N5 {, e9 B
6-310 Use of Joints in Consumer’s Service Neutral Conductors
9 k/ w9 s. Z! {5 d6-312 Condensation in Consumer’s Service Raceway
( D7 X/ i7 b6 nMetering Equipment
) B% `% j1 T# ?% Q$ w4 E+ A6-400 Metering Equipment
0 E: h, J7 K# D6-402 Method of Installing Meter Loops
6 D5 X( t. [& n* J n) N0 e6-404 Enclosures for Instrument Transformers! J5 I3 Q5 a# q, v2 F
6-408 Location of Meters
. d0 w* H) ?4 c" o4 A& B: Z& z% I7 Z ~5 [, F. [5 v/ z
Section 8 Circuit Loading and Demand Factors3 ^ j! y+ \+ p4 f# n
General; s$ f+ \+ G9 q9 q
8-100 Current Calculations
6 c/ K# a, L' b+ d3 s: W8-102 Voltage Drop ( see Appendix D)
8 c6 a U( ?1 V9 I6 u8-104 Maximum Circuit Loading T) T0 s' c0 T0 e8 l# {
8-108 Number of Branch Circuit Positions _5 Q* {4 _- v6 p, m' ?/ h
8-110 Determination of Areas6 L# K+ G2 K- g4 K& }: V% A# o
Services and Feeders* C$ ?6 V! K* C$ }& w3 }' e O. j& a
8-200 Single Dwellings (see Appendix B)
( a% o6 `9 H2 T) ?3 V5 p8-202 Apartment and Similar Buildings: V9 l# @+ U6 B0 E
8-204 Schools5 Z! E. G6 a8 g' F3 G {+ p2 }
8-206 Hospitals# n0 X, [, F* S/ @7 b
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy5 n P2 _" R% J* y
8-210 Other Types of Occupancy (Table 14)# w3 e" W' Q7 u0 @# W* V3 p
8-212 Special Lighting Circuits
2 Z, v9 R+ R6 E/ Y/ C- HBranch Circuits
3 c" H) M$ @# f0 u+ f( M/ n' g& H8-300 Branch Circuits Supplying Electric Ranges8 ~% F3 R1 ^0 H. j% _
8-302 Connected Loads
3 }+ ?' ^! Y4 c8 N* P0 f: f- H3 `& W4 V1 q
Section 10 Grounding and Bonding7 m+ N% v5 g5 f8 s
Scope and Object
; k# e( ]) z+ ~, C10-002 Object
1 G) Z& G2 J; v8 \/ nSystem and Circuit Grounding
. P7 j! G1 _, v) Q& t" p0 n7 F10-102 Two-Wire Direct-Current Systems
/ n! X# B. Z5 n# W10-104 Three-Wire Direct-Current Systems
; `& ^+ B; P/ P$ L% w, q6 L10-106 Alternating-Current Systems
1 r. G4 M6 _, F% u8 ~: V0 @10-110 Electric Crane Circuits
. d' n# e7 [# H" F10-114 Circuits of Less Than 50 V3 l* e6 i" d7 T( m" ~
10-116 Instrument Transformer Circuits% [' e- l5 V3 G+ |8 `
Grounding Connections for Systems and Circuits" g# I3 o5 ^2 u$ b- E
10-200 Current Over Grounding and Bonding Conductors( |' ?% t' M$ w9 d
10-204 Grounding Connections for Alternating-Current Systems) [" K8 Y& r9 q
10-206 Grounding Connections for Isolated Systems2 ?( h+ J4 y. e& A- `3 x" @
10-210 Conductor to be Grounded$ G* @& ^% L- i! L4 b) `; \3 A
Conductor Enclosure Bonding" y+ R1 Y6 {$ L) o- @$ D1 a
10-302 Other Conductor Enclosures7 y U' i4 j* N' k) L- l% }9 U
N 10-304 F. Q+ ^! D+ z6 S" |
Equipment Bonding' h0 K0 t2 b# i8 S0 B, L Z
10-400 Fixed Equipment, General" N) W4 U: `9 I: n1 j/ i
10-402 Fixed Equipment, Specific (3), (4)- f: v7 f* m7 w5 Y
10-404 In Nonmetallic Wiring Systems
& E6 x( U4 j ]% \6 z: k7 o. E10-406 Non-electrical Equipment/ b. |- f3 N! s. e4 n/ |" [
10-408 Portable Equipment (4)(b)# j! g( r6 C8 @6 S" E
10-410 Instrument Transformer Cases' T9 S# u' N: G
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less3 `7 x7 ]8 q: W+ O2 W- G. o7 ~
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V4 Y5 K5 C" _' ?) J# @, J& n' c. E4 e
Methods of Grounding5 C5 V/ ?% S( X6 L3 G7 \) N
10-500 Effective grounding (see Appendix B)2 A/ {1 \9 p9 N& n7 a
10-502 Common grounding conductors
. a' I% k1 a4 O% V2 z$ v9 Y4 U10-504 Common grounding electrodes* q3 B' S) Q, t9 C1 Z/ k7 e+ `* d4 |
Bonding Methods
! J7 P; r9 Y# `3 w( c# A10-600 Clean Surfaces
( D4 P8 y3 p( w10-604 Bonding at Service Equipment
+ T1 f7 s% C/ O$ I4 Z1 e10-606 Means of Assuring Continuity at Service Equipment
/ H- @! k* a4 V$ R# @% |10-610 Bonding at Other Than Service Equipment
6 W5 H2 j: i% H& K5 R10-612 Loosely Jointed Metal Raceways
( O" `" [% q1 B6 A+ g+ D10-614 Bonding Jumpers Table 41
: {& @) m, w1 s, qGrounding Electrodes9 |! F5 s4 F( D- J Y+ E
10-700 Grounding Electrodes7 P/ c) v1 G, B# ^0 W
10-702 Artificial Grounding Electrodes8 O3 v: y2 M% a0 \% e9 B1 g0 q, |+ H
N 10-700 & 10-702
# U! t7 X: G7 B- D" ]# v10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)3 V4 R, `6 H7 | K. H& {. z- Q% S: S4 v
N 10-702
1 t' M+ d& O+ N. m- t! ]10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding6 Z( Q" t: d* H
N 10-7023 I# V5 q4 F$ F9 ~1 I
10-710 Use of Lightning Rods (Appendices B and G)
2 n8 p: R7 Q) X& U; v: p3 S% [! kN 10-706
; v$ q0 G2 `, f! _6 {# \+ BGrounding and Bonding Conductors
% l l2 z* R9 u4 N- f10-800 Continuity of Grounding and Bonding Conductors
3 R. G2 {! Q( S10-802 Material for System Grounding Conductors
; B$ v. Q' z; J+ ^$ N% Z10-804 Material for Bonding Conductors2 {, h3 m4 _+ G3 U) e
10-806 Installation of System Grounding Conductors
! y; M8 t# t5 a% m10-808 Installation of Equipment Bonding Conductors& }! ^ K+ Y2 C/ d7 l" Z
10-810 Grounding Conductor Size for DC Circuits
8 V1 U3 }+ D! B2 n& L10-812 Grounding Conductor Size for AC Systems (see Appendix B)
+ Q6 S9 n6 _4 j) A, C9 y10-814 Bonding Conductor Size (Appendix B)
7 U4 v0 K8 u/ n4 i# R& Q, Q10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment" K: G, A1 b; p: T6 b
10-818 Bonding Conductor for Outline Lighting; g" F! y$ D7 J$ J( m* d B1 Y
10-820 Bonding Conductor Size for Instrument Transformers
1 Y# X; a1 j3 m+ o7 i1 g2 t8 ]Grounding and Bonding Conductor Connections
) z, c2 Y/ {+ {+ V% U10-902 Grounding Conduct Connection to Water Pipe Electrodes# f/ z( r k2 D" i# z
10-906 Bonding conductor connection to circuits and equipment
9 f; \! w+ d1 b10-908 Grounding Conductor Connection to Electrodes* L6 L$ y. U6 n/ K+ E1 m
Lightning Arresters
) o& Z9 e" I U+ K/ ]. Y( I10-1000 Lightning Arresters on Secondary Services – 750V or Less: y1 J( t, n6 P
( N( r8 ~7 s, _$ U, vSection 12 – Wiring Methods/ Z1 y: c$ d0 h
Scope! B( c8 L7 A1 g7 g1 {
12-000 Scope (Appendix B)
, G& B9 L1 o; u- F' v. V/ uGeneral Requirement% f0 ^5 F7 G# `* @# S1 y, G( x' t0 K
12-010 Wiring in Ducts and Plenum Chambers
* o! W% _1 Z! r f. j$ H12-012 Underground Installations (Appendix B)) ~3 t9 }0 E; p, d' R+ @3 d
12-016 Lightning Rod Conductors
) E. _ \4 F5 m/ y: v% z6 YConductors - General
/ w7 I1 w" E) W) a; S2 X) c! v( P12-100 Types of Conductors (Appendix B) Table 19
+ y; V6 U: ?- e. Q12-102 Thermoplastic-Insulated Conductors
2 a' z0 n5 u* X! \/ {6 l% O+ k12-104 Flame Tested Coverings1 i2 ?) O% f2 J/ @7 }2 c
12-106 Multi- and Single- Conductor Cables& J9 N1 K5 D- H: Q
12-108 Conductors in Parallel (Appendix B)
" {! ?, h8 s! M1 X/ t7 G" b, v; s1 O12-112 Conductor Joints and Splices
. J+ @8 \. K6 n/ x12-114 Ends of insulated conductors4 o, g Z ]* G9 I
12-116 Termination of Conductors (Appendix B)
4 U7 G" v) i7 D% R1 n& C& m" ^12-118 Termination and Splicing of Aluminum Conductors
* f2 g2 T/ Y5 Z12-120 Supporting of Conductors - Table 21; i1 D5 W0 d/ D6 q+ B
Open Wiring- }+ i) w) I+ J
12-204 Spacing of Conductors
+ \7 D t7 j2 i: I& i- h9 [, o! A12-206 Conductor Supports k+ P7 D* Z& ^( V
12-208 Conductors on Flat Surfaces
0 ~1 s6 D1 m+ O, z& W8 R* l e& |12-212 Protection from Mechanical Injury( M9 u: _# `# j8 z; G A
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises4 P+ ~9 S7 W% Q9 a
12-308 Minimum Size of Overhead Conductors: X* ^4 y( w9 {, G- o
12-318 Use of Neutral Supported Cables% c; e! G2 i8 d0 `
Nonmetallic Sheathed Cable
0 P; j* w; c. M1 |) i+ O1 E12-502 Maximum Voltage
+ A6 x( g$ Q/ @# W- I12-510 Running of cable between Boxes and Fittings (Appendix G)& a* i1 D- p( K" {
12-514 Protection on joists and rafters& @! k6 b4 O0 Y- R8 V0 Z# ^
12-516 Protection for Cable in Concealed Installations (Appendix G)
1 }8 [% J% l8 X6 W& I12-522 Where Outlet Boxes Are Not Required* F0 h' U4 o; _
Armoured Cable
9 F* I: {/ Q# u; {12-602 Use (Appendix B)/ u2 k& i" [2 r b8 ]% t- i
12-604 Protection for Armoured Cables in Lanes
f8 G+ k) D! j9 k% r12-606 Use of Thermoplastic Covered Armoured Cable
5 f; _9 s3 n* C% [6 k d& l12-608 Continuity of Armoured Cable
, ?, I5 z! r' Q" t+ G# ?. `0 y& P12-610 Terminating Armoured Cable
+ f! ~8 W" V5 s3 i) Y" {3 L3 \12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems4 X$ ^* a# l' v2 Z4 _% R& T
12-614 Radii of Bends in Armoured Cables( T' `2 r2 ]0 @
12-616 Concealed Armoured Cable Installation
) l. O0 c' K1 e; _1 \12-618 Running of Cable between Boxes, Etc
/ S0 ] X' Q$ \. u" n- {Mineral-Insulated and Aluminum-Sheathed Cable; T! V, {5 P' t9 Y' E: o
12-702 Use
, T! A& j9 [! F2 n9 z& C12-704 Use When Embedded
" I* f8 E. {2 V6 G# p$ H12-706 Method of Supporting
5 `4 K C7 D0 {) M1 c! r2 z) V" Q12-708 Direct Earth Burial
. B$ I0 B: D I9 n- k8 I4 o12-710 Mechanical Protection
u @) L" l1 H o12-712 Radii of Bends* k. E& o2 u/ d' l2 c; R" F
12-714 Termination of Mineral-Insulated Cable (Appendix B)
$ e2 t4 d* h! d" k12-716 Connection to Other Forms of Wiring
3 s2 j. D2 L$ W9 lFlat Conductor Cable Type FCC
& O% D' T, Q; v12-804 Use Permitted
6 s: i& ?& H7 w. r, M$ b/ s12-806 Use Prohibited2 U& g, [/ D7 u0 a* S5 t
12-818 Anchoring' ~( p# c: }/ y8 v
12-820 Crossings
+ a! |; h2 D; q+ r1 b2 yRaceways - General
, o0 C E' j+ Z) A12-904 Conductors in Raceways! Y' `6 F; x2 Q3 ~1 B" F7 |
12-906 Protection of Conductors at Ends of Raceways
: C* A$ S: e. P9 m12-908 Inserting Conductors in Raceways( A' x# ]) |0 E" D* }& _& N/ W
12-910 Joints or Splices Within Raceways
, A- O3 ?0 i. l$ h* A. m7 L12-912 Stranding of Conductors
# [4 V9 I) U* A' S! T8 f1 e12-914 Electrical Continuity of Raceways
# \# I+ L, p" I. j12-922 Radii of Bends in Raceways
) x9 c* H [# Q" a8 J3 B. M0 p4 ]N 12-922 Radii of Bends in Raceways Table 7
& w! Q* x2 z' f12-932 Protection for Raceways in Lanes {8 U& `: U m4 R' x! H$ r
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)- c- K5 C8 P$ ^" [ E) A
12-938 Capping of Unused Raceways& J" i3 U" X' @9 M. p5 s
12-940 Maximum Number of Bends in Raceways
9 T I- }6 [1 c; v8 {Rigid and Flexible Metal Conduit
& i# D+ d ]' q0 h( Z12-1002 Use5 t0 V _5 z% v5 ]
12-1004 Minimum Size of Conduits
+ c( U x' i( o; w12-1006 Conduit Threads (Appendix B)& R; [; K# i+ {0 a: q, J8 y! J
12-1008 Thread Engagement
$ ]9 A a. B& e2 m12-1010 Maximum Spacing of Conduit Supports6 p) _( y3 R- d2 W* G# y. c+ K a
12-1012 Expansion and Contraction of Conduits (Appendix B)* \( o* T- K0 h4 i: y" d8 `4 ?
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 2 q( a4 p$ a8 ]- q0 k- S) i
Rigid PVC Conduit and Rigid HFT Conduit4 D. ^4 m' i/ V, I) U) q2 U
12-1100 Use0 A# W E4 b. s' V* r4 e
12-1102 Restrictions on Use
% K& R- R+ z0 f. e! Z* L12-1104 Temperature Limitations (Appendix B)
1 E: Z! u# p u5 I% j1 Y; R12-1108 Field Bends (Appendix B), (2)
; h- Q; T3 ^; r, [" P. |3 w" F, _: ]12-1110 Support of Luminaires
) M6 g( ^4 Z0 r" X12-1112 Fittings
, g+ z1 B$ e0 S5 j: G! U, g12-1114 Maximum Spacing of Conduit Supports
- j! |5 }8 _! p6 Q( p+ M12-1116 Support of Equipment
2 ?& j4 ~" Z ^6 ~ }1 g12-1118 Expansion Joints (Appendix B example)
" t+ R; V3 A: D+ ^Rigid RTRC Conduit
: d' X* z8 y I8 W; V* O5 n12-1210 Temperature Limitations
, {- ~0 l1 P* d" z3 V12-1214 Expansion Joints (Appendix B)$ g! a' G; L( v
Liquid-Tight Flexible Conduit, Y# O3 Q0 ?: f, V8 A
12-1302 Use of Liquid-Tight Flexible Conduit, N2 v' N- \* H1 K* m9 u+ A. n
12-1304 Maximum Number of Conductors
, w& V- Z) s: u9 w7 `7 h+ v2 R- k7 ]12-1306 Provisions for Bonding' a. R6 ^8 O b, Q5 c9 g
Electrical Metallic Tubing& |9 v( q7 p i9 c
12-1402 Use9 ~5 x0 s6 k6 _& F7 X
12-1404 Supports, a& } u2 e, \" K
12-1406 Minimum Tubing Size! X7 C% L* z# t6 ]% n/ C# A& M1 ^
12-1408 Maximum Number of Conductors4 P1 l8 l0 m* O8 T/ b# `/ c
12-1410 Connections and Couplings
% x$ M; \& o! A12-1412 Radii of Bends in Tubing
4 z; E- K8 E4 yN Table 7
0 m0 D* N. B# vElectrical Nonmetallic Tubing1 m" G7 P! k; g/ X8 u2 h
12-1516 Provision for Bonding Continuity5 j$ D9 [ n* [9 P0 g
N 12-1514
# b3 P/ {' D$ S3 c$ c2 BSurface Raceways& j1 ~9 P5 ?/ A, X8 p
12-1602 Use of Surface Raceway (Appendix B)
3 k2 h" I* o4 }4 ]8 L! L Q12-1604 Temperature Limitations
5 S2 h" P: ~* b8 p# y12-1606 Conductors in Surface Raceways (Appendix B)
6 t1 o8 ~' w$ ^& Z( Y12-1608 Maximum Voltage
* A3 q0 R% n, U+ x3 h/ S12-1610 Joints and splices + {: c, ^, E, _ L) f2 s, P# U! a( Q% i
Underfloor Raceways+ N8 |; }7 F. Q X
12-1712 Discontinued Outlets in Underfloor Raceways
1 P- i" O c1 R3 K+ PCellular Floors
1 D: v* k9 h% R% B7 j12-1804 Maximum Conductor Size in Cellular Floor( p( Y. a# Z$ |+ s0 e: B h# j; f
12-1820 Cellular floor discontinued outlets
/ J/ Q" u& i2 T' Z" I7 z# oAuxiliary Gutters
( A+ q T2 |: o12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
. t O, y6 `" \) i# F/ @0 F12-1902 Auxiliary Gutter Supports- N1 z- d. u' I* u- w5 _
12-1904 Auxiliary Gutter Cross-Sectional Area3 q% y+ A8 v# S! h; U
Busways and Splitters3 e- T% _ J% O% E
12-2004 AC Circuits in Busways and Splitters1 G+ Q- \* O* b$ V3 D
12-2006 Busway and Splitter Supports+ [) w/ N% r1 Z8 z! U7 h
12-2008 Method of Installation of Busways
2 c3 s$ e, l) v" V! A1 m3 t12-2012 Reduction in Size of Busways
0 z* w+ F" F1 V12-2014 Length of Busways Used as Branch Circuits( p7 n8 i; ^& i, L# O3 |
12-2018 Taps in Splitters
: y0 ^$ x8 f4 _Wireways
! w$ x# h7 z* a* g# P5 E4 n12-2104 Conductors in Wireways
% m% Q" Z. v* u) u3 }2 @; [4 l12-2106 Taps and Splices in Wireways$ ]* \: j6 N- K8 Y/ ~
Cable Trays
4 p! } [' ]- Z/ F1 n12-2200 Method of Installation (Appendix B)
. R ]! U" Z' B12-2204 Joints and Splices Within Cable Trays7 }% p8 K! ^4 L& q& e7 |
12-2208 Provisions for Bonding
, ^1 g0 z+ T! W6 D) H- m2 l12-2210 Ampacities of Conductors in Cable Trays
3 D8 g4 \1 z( d/ L, _! J, \, AInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings, Y4 ~& A9 R9 k1 @& d
12-3000 Maximum Number of Outlets Per Circuit r: y! x) e! c/ g$ f$ a/ g
N 8-304
l5 L. H# X ^/ A$ J12-3002 Outlet Boxes (Appendix B)
1 X0 P9 [) l6 N) K2 ~& D: PN 12-3000$ K! Q' i: h* s9 {* o
12-3004 Outlet Box Covers% v8 d5 l% f" Q- W2 l/ X! H
N 12-3002/ e" y# h( d9 p; P# _
12-3010 Boxes in Concrete Construction9 ?3 T6 a! c E, d
N 12-3008
# Z _) {4 v. \' d \ X12-3012 Outlet Box Supports
$ s3 |7 e& n. }* @N 12-3010. w5 H. k2 ]. q( Y: f9 `5 M2 z
12-3016 Accessibility of Junction Boxes# J6 ]5 v8 F" B& K3 C' S1 v" W" V7 L
N 12-3014
L: r/ D0 J* D) R9 W# V12-3018 Flush Boxes, cabinets, and Fittings
6 M% F8 G% ~& v. lN 12-30168 ]% K+ b0 G) t
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 6 E s+ M- w2 n$ t( E; T& o: b% U
N 12-30229 N" ^" a o$ K$ b9 a
12-3036 Maximum Number of conductors in a Box - Table 239 I/ d# o! s5 k5 f
N 12-3034& _) U, A5 Q" g, \
12-3038 Pull Box or Junction box Sizes, e0 u" z4 _% n. }& \- N' u4 h3 }
N 12-3036
/ v. R" z% X" G$ j0 \2 @* G7 U) F1 i& T( e
Section 14 Protection and Control+ \$ O6 q, H0 c5 @
General Requirement
8 q* r; ?( [7 c q- v) S* U9 X14-010 Protective and Control Devices Required
! g/ f7 J& z$ w% M* |3 ]% d14-016 Connection of Devices
: { N1 f! _2 N8 ^; Q& V# e1 f/ } ] Protective Devices – General
: G7 K! M9 Y+ L 14-100 Overcurrent Devices Required. o* k4 F$ p3 X2 P) P& ^
14-102 Ground Fault Protection (Appendix B)8 e( |) _$ m4 w4 K
14-104 Rating of Overcurrent Devices (Appendix B) Table 13; z; t. [2 w% I, u. J4 w
14-112 Overcurrent Devices in Parallel
* u' O4 u6 L% L( Q2 S& w1 b, s; lFuses
@, a9 f$ m* b9 r14-200 Time-Delay and Low-Melting Point Fuses# n' G8 S; I# ]+ |# i8 S( `
14-202 Use of Plug Fuses
* D& R7 |& z7 s; ]( {$ R) W14-208 Rating of Fuses: Q" W7 r& w/ R- s
14-212 Use of Fuses (Appendix B)
# G6 b/ p5 |4 N( BCircuit Breakers
. W6 z+ e6 x+ Z* Z" y# V) D& Z14-300 Circuit Breakers, General0 N. E# e; n" ~0 @. o
14-306 Tripping Elements for Circuit Breakers
- h1 z# d( u. k, M1 c14-308 Battery Control Power for Circuit Breakers
5 z2 @' f3 I7 }Control Devices - General* B- a C4 x6 a6 W+ N
14-402 Disconnecting Means Required for Fused Circuits0 c; A! @* Y ^" v
Control Devices - Switches Y5 {+ I( u: s8 C' }/ h+ R* R0 L
14-502 Mounting of knife Switches
" h0 z5 d" j- z$ s# ]6 J. r8 u14-504 Maximum Rating of Switches0 ]: i+ Q5 l8 T b8 O' h
14-508 Rating of General-Use AC/DC Switches (Appendix B)0 @1 R0 o! c$ O6 \6 W# [
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)' ]/ V& y0 ~1 E; s0 P* u0 A4 x& _0 q! ], Q- c
Solid State Devices
# O. n( b8 ~2 o+ O6 |+ b14-700 Restriction of Use. ]5 V) o8 V* S( b' f
14-702 Disconnecting Means Required
2 Z' H% i$ v+ a p+ G! \# d- O Y% D: v
Section 16 Class 1 and Class 2 Circuits" T4 J0 W1 T# V5 J# y/ x
General
* v0 O M' S% I9 U& Y2 J9 \16-004 Class 1 Extra-Low-Voltage Power Circuits
" q( r7 y. O. z& o. t16-006 Class 2 Low-Energy Power Circuits
# a- I) F& t* k16-012 Circuits in Communication Cables
) Z& D; w {; ?/ E& ?) tClass 1 Circuits
4 I: i' b1 P3 S9 u16-100 Limitation of Class 1 Circuits
) m' f% e" e7 F% M/ s: v1 ]16-104 Overcurrent Protection of Class 1 Circuits- K1 R: J# R% x3 e
16-106 Location of Overcurrent Devices in Class 1 Circuits
% O: B: U- `! H) u5 D% U$ U$ |16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
5 q% V2 x+ N% ^! j7 r5 r6 Z0 L' o( J16-110 Conductor Material and Sizes
! r; v* u% |- G3 t16-112 Insulated Conductors for Class 1 Wiring
+ \# ]1 e; {/ l! pClass 2 Circuits
- x% d6 Y# i! i) Y) z" x16-200 Limitations of Class 2 Circuits (Appendix B)
- a3 n, W* b. }/ p c16-204 Marking
' ]5 m' v7 Y7 h k7 i- v1 X0 P+ s16-206 Overcurrent Protection for Class 2 Circuits, W( r- j$ C5 r2 e+ k7 v
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)( o& J; O- L7 D+ r" @5 @( E
ELC: extra-low-voltage cable+ _4 a0 ^0 D7 `8 F' f
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
+ A: S/ X; j+ h" {
. t. `( x) V- R5 T J4 d0 C% rSection 18 Hazardous Locations
' R- w% r4 h9 m( dScope and Introduction5 ]5 C. L: x& V5 J
18-004 Classification/ L( @; D2 S1 H2 w+ p3 u& V
18-006 Division of Class I Locations (Appendices B and J)
) k) z% z, n4 E0 L6 H6 T) H+ K4 W18-008 Division of Class II Locations (Appendix B)7 \ A' c5 J: d1 a+ {+ Z
18-010 Division of Class III Locations (Appendix B)
) N, ~2 @9 d f% Q; ?3 `+ DGeneral6 f; j* P) |$ z
18-062 Metal-Covered Cable (Appendix B)
- k1 H! d) U7 w' n! | d2 m7 R" zInstallations in Class 1, Zone 1 Location
1 d5 i/ S, x7 q1 ]( B$ Z18-108 Sealing, Class I, Zone I (Appendix B)( x7 f* a- I' A- c5 K. ]) F& X5 @
7 ]3 s C6 ~: @' F7 F' i% o/ ]Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
& J% `% s6 C0 c) O3 w% CGasoline Dispensing and Service Stations% l2 r7 [! \1 R6 w+ c
20-002 General
9 j" W/ ^/ y, y7 E$ w* E6 r8 ]20-004 Hazardous Area (Appendix B); Q/ {8 H6 G) S! n% D: W8 q4 H6 U
Propane Dispensing, Container Filling, and Storage8 W% Z0 p# U# r3 P4 ~/ _
20-034 Hazardous Areas - Table 63
) Y+ l8 z6 ]* t( uCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
5 b7 @/ m& d* ~, q/ i20-062 Hazardous Areas) u, Q; w: r9 A0 ]% W/ f+ J
Commercial Garages – Repairs and Storage7 P8 z9 Y4 J3 C
20-100 Scope: N0 l0 q7 g: X) F% x% c5 _& q; i
20-102 Hazardous Areas (1) $ m1 H) h* N5 B" {1 C* Y. f
# H$ t- `/ k/ j5 f, |& L" q6 H& R5 LSection 24 Patient Care Areas2 M& m w2 _+ ?6 H8 c v; T- m; M- }
24-000 Scope (Appendix B)1 I% G' U3 E4 ^0 x t" n5 @2 W
24-002 Special Terminology (Appendix B). _& y: O" H) \: h/ q
Patient care area
& V7 g, L c6 E) N+ m' S# d, u2 Q. BPatient Care Areas- v6 }& F) p! G+ ~. B
24-106 Receptacles in Basic Care Areas (Appendix B)0 u$ ?% [- L* V0 N4 y
Isolated Systems
1 U6 l& q" }" _: V24-204 Single-Phase Isolated Circuits (Appendix B)
4 L4 a3 p( u9 K6 K) n! X$ ~24-206
( F8 s& c$ V: G) T) Z H" }4 g! R! U7 ~% f2 g
Section 26 Installation of Electrical Equipment
6 U# ^. m' V: t' xGeneral3 W$ N; O1 x6 L
26-004 Equipment Over Combustible Surfaces (Appendix B)' {) A9 I. r7 U6 B, {$ ~" X
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)" H7 B, B/ }+ S# j& c
Isolating Switches9 s" u( \. b. O$ H Y
26-100 Location of Isolating Switches
' Y }% X. ]+ @3 e" V, {' ]Capacitors9 k! }5 w0 l- P! \& w
26-204 Guarding of Capacitors. h2 a7 n0 u$ t1 `2 g, _
26-206 Grounding of Capacitors
6 m7 P- S, j# j. @5 G26-208 Conductor Size for Capacitors& K4 _: x; |2 u+ {# j6 D
26-210 Overcurrent Protection (Appendix B)
H/ {& K! u7 i* j# C7 ^% Y/ e9 B26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
6 r/ I! W) w" u/ u$ g8 t26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits1 ]8 X# P' _, b* o" h6 `+ J
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
- S- L, `$ q* a! U' e- e26-218 Special Provisions for Motor Circuit Capacitors
( o& @, [" k7 M% A. D( F. x26-222 Drainage of Stored Charge of Capacitors
7 j7 b) S9 v# K- B7 ZTransformers- B9 }8 O9 K+ K- K
26-240 Transformers, General" C1 n) y! h, N$ ?1 `
26-242 Outdoor Transformer Installations& q. R6 B! i2 B9 C' u6 Z" a5 S" y
26-244 Transformers, Mounted on Roofs (Appendix B). d3 f% k. J5 O4 l/ _- k
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
' K, L1 h4 ^" h26-248 Dry-Core, Open-Ventilated Type Transformers
. t+ k. P; t- n8 l: h& H26-250 Disconnecting Means for Transformers5 p& Y% b, k2 h
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V( A( w6 p4 a2 e3 F. G
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers \, R. Z6 k5 H6 P m2 f1 y. t
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B). i5 p U, P* f+ K
26-258 Conductor Size for Transformers
. p/ q% D; ~8 q) U! v" q26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)1 Q7 L" c7 w+ l5 {: b
26-262 Marking of Transformers4 \7 t: U; M/ H) V
26-264 Auto-Transformers
' g" ]$ e6 `: D eFences
7 g8 y1 b4 P; T: r6 p26-302 Clearance of Equipment - Table 330 e# @) |. n% p* l
Panelboards
) J& y+ T& V2 a# h4 T26-400 Panelboards in Dwelling Units (Appendix B)
# B1 D' U6 W, V" w26-402 Location of Panelboards (Appendix G)7 o; k H M* q* F! @6 d, t' V
Lightning Arresters
* t, S, K% D) \26-508 Connection of Lightning Arresters
% g: G! K7 a# w. B# LStorage Batteries
6 S$ d! M* h, \9 @26-542 Special Terminology
6 Q7 e2 a" O) Q5 _26-550 Battery Installation
4 o/ D" G. U2 a( p26-552 Wiring to Batteries
P/ {6 s5 |, m8 J+ MArc Lamps7 n! S% J/ l+ \, L: }
26-600 Location of Arc Lamps5 J4 x5 U1 |. n6 Z
26-602 Conductors to Arc Lamps
7 H& l$ ]' `, x& N26-608 Globes and Spark Arresters
. L. B6 [& M; E8 N3 X, g' p: bReceptacles( n G" O7 }4 G5 A2 `) M( ]2 d
26-700 General (Appendix B)
{8 Y+ s0 O* B i1 r26-702 Receptacles Exposed to the Weather
) N" n8 \0 S x D$ h! l: {Receptacles in Residential Occupancies* U7 q1 ~/ c7 _ e. r" h
26-710 General (Appendices B and G)/ T+ n- n* v$ t" v
26-712 Receptacles in Dwelling Units (Appendices B and G). F ^3 g( H- `+ N y- k( y6 K
26-714 Receptacles in Single Dwellings (Appendices B and G), x' ? Y: Y: X, q- v5 k
Branch Circuits in Residential Occupancies5 M' V: I7 T$ \. J" X
26-720 General
! `9 q; @* t/ S26-722 Branch Circuits in Dwelling Units
3 f7 J7 [, U2 D0 `26-724 Branch Circuits in Single Dwellings
8 H2 r) T' j8 r26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
~. O) \6 k0 H( Z) w0 s% jN 26-720 (F)
3 g6 h! Y& {0 w! c3 e( {$ H' xElectric Heating and Cooking Appliances, T* a8 _8 n# B- y3 ]3 V* D
26-744 Supply connections for Appliances! l' w4 w$ Z! H
26-750 Installation of Storage-Tank Water Heaters$ K# T8 p1 P3 K# |* S8 N/ J
26-752 Infrared Drying Lamps
2 }: m- t% g( J6 j
( X8 S3 u% ?; f5 nSection 28 Motors and Generators
; K% Y2 E! p0 z0 x. J( u8 ^' QGeneral. X7 N$ [+ ]: ?+ ]: m# Z% }
28-010 Special Terminology5 d) c- }# r9 Z6 z. ] R
Hermetic refrigerant motor compressor2 w* Q: T( @- ^) @9 e' X# J
Locked rotor current rating
2 [) h& Z! X7 yService Factor
w3 A5 J+ r9 [2 {9 N+ o" r; H9 PTable 44; Table 45; Table-D2
9 {2 ~- b; R' W& U6 `2 ?/ eWiring Methods and Conductors- w+ D( C; |9 P4 }7 H
28-102 Portable Motors
; ?+ a7 Z1 [% B( K) _/ M$ i" j28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity. w% L/ _1 Q8 H& N6 Q, f3 T- Y8 l) Z
28-106 Conductors, Individual Motors. X% T$ M7 Y; @% X
28-108 Conductors, Two or More Motors
/ D8 B" [& ]2 M% t% Z28-110 Feeder Conductors
; S" ^; ^8 ~; u# s+ C28-112 Secondary Conductors
* |% i5 G9 }" ]0 [; N& ZOvercurrent Protection) {# ~* g/ x+ F) a5 s
28-200 Branch Circuit Overcurrent Protection
+ ]' p7 ~4 R( C% Z; M; C- H28-204 Feeder Overcurrent Protection! L' p) L3 Y7 m& Y
28-206 Grouping of Motors on a Single Branch Circuit+ F+ r8 ]7 l+ z' v+ A- d+ m1 p9 ~
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
+ L* H* ~' y; p, u; V6 cOverload and Overheating Protection
6 h% X- a! Z3 ^$ U- o28-302 Types of Overload Protection2 L4 b$ _! T1 o9 i
28-304 Number and Location of Overload Devices (Appendix B) Table 25
, {# E1 s, ]4 } d28-306 Rating or Trip Selection of Overload Devices (Appendix B)# T$ m$ K. g) H, Y H
28-308 Overload Protection Not Required
# `3 B' l5 E5 D! D7 ]9 PUndervoltage Protection ! ?3 p8 N( [! ?# a* y3 h; X$ g
28-400 Undervoltage Protection Required for Motors (Appendix B). z& F$ a' z3 f* k2 j6 J3 U
Control$ ~) x6 T1 ?4 l$ {0 g
28-500 Control Required3 S/ `% N2 I8 r" m( Z# ?
28-502 Control Location' ]& D& ?8 ~. L. Y; Z( A
28-504 Starters Having Different Starting and Running Position
3 b! W/ X0 q5 v9 O6 e& W) ^' ?28-506 Grounded Control Circuit
: L# j5 P. @ `) L" qDisconnecting Means: ^, M( Y3 E0 U; u) E: F, _8 f
28-600 Disconnecting Means Required
( E; A9 I8 {1 s, i2 b- ^5 J; H28-602 Types and Ratings of disconnecting Means (Appendix B)
C9 E( \( b5 n3 S" o( a* n28-604 Location of Disconnecting Means: _ _, a/ F7 H' `+ i: O
Hermetic Refrigerant Motor-Compressors) y* M# f9 @3 Z0 t
28-706 Conductor Ampacity; P3 x# D8 _- }: ]5 O: l j5 V' K
28-708 Overcurrent Protection( e# e6 R9 {6 l. c2 Q; d' l
28-714 Disconnecting Means
1 M% C2 ^! ?: v7 s- S! uProtection and Control of Generators
8 Y$ Z" ?4 C3 E! Y! r28-900 Disconnecting Means Required for Generators
( n3 v) O3 {: b# Z, y9 y28-902 Protection of Constant-Voltage Generators! [# c" j" o- o* ?+ X2 ]/ i
28-904 Generator Not Driven by Electricity
0 @' Z5 r8 p; m2 p+ w28-906 Balancer sets$ [2 K" R2 T# z3 q
28-908 Three-Wire Direct-Current Generators
$ Y% v: J5 k+ D
. I4 c4 m! s0 b$ ^( B4 lSection 30 Installation of Lighting Equipment
% j# `; j; @# V8 v4 s2 ?30-002 Special Terminology (Appendix B)
, i% D+ T9 ]; y, p# lGeneral) f1 T4 l. o, V2 N5 O7 n8 _/ K" O
30-102 Voltage- H( R( r# ?. a
30-104 Protection (Appendix B). d) {) W3 l) m4 \! u! l
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
/ H7 W' Z8 C5 w3 }: X0 s2 ?30-108 Polarization of Luminaires
5 Q' L6 A8 H+ L+ u- e3 W( w$ y30-110 Bonding of Lighting Equipment9 y6 _) }: h& n C( P9 o
Location of Lighting Equipment {0 ^1 X( b' H+ K# y* { ]; `
30-200 Near or Over Combustible Material
; T. ~ O0 U5 S; f% ]( Y30-202 In Show Windows
' c* q5 v: n9 z/ v! [% s2 t30-204 In Clothes Closets
- e/ Q+ t. L Y( P6 d, L6 ?* qInstallation of Lighting Equipment* \5 D* G6 g3 j# I
30-302 Support2 L. p( A% B/ c# F/ [5 L
30-304 Outlet Boxes to be Covered
8 I4 R& D2 Y. U0 D |5 q30-308 Circuit Connections/ v5 j8 s6 w/ I. m
30-310 Luminaire as a Raceway; f5 B0 Y( |! m) g3 P8 {& M0 U
30-314 Minimum Height of Low Luminaires
5 p7 [" [: \" S3 `2 o/ s30-316 Luminaires Exposed to Flying Objects
! z+ \ W, } p; R+ M9 B30-320 Luminaires in Damp or Wet Locations- J, s" F" [% M- t8 c6 }% U
N 30-318$ | K" m( O1 m* l) D7 M. B1 g9 S
Wiring of Lighting Equipment
' p. h; w" W/ `+ U) s/ [30-400 Wiring of Luminaires4 m, u6 X/ Z0 R* K% j5 G* |
30-402 Colour Coding, n/ K3 z7 s8 Y# y/ m
30-404 Conductor Insulation
E4 L% r; N4 n( z: H5 ~30-406 Conductors on Movable Parts9 R% a# m# D* k
30-408 Wiring of Ceiling Outlet Boxes0 V+ Q# F* A: M, i
30-410 Wiring of Show Window Luminaires
5 [" x( F$ D. r2 b30-412 Tap Connection Conductors$ X* N* c a0 a) ~
Luminaires in buildings of Residential Occupancy
, N$ a* C! }. Q30-500 Lighting Equipment at Entrances (Appendix G)
+ T+ M, E) t: ~) I" J. e30-502 Luminaires in Dwelling Units (Appendix G)
% c" W( z% c1 z/ ^6 G( b30-504 Stairways (Appendix G), N: D+ A. \7 q, U* a/ e
30-506 Basements (Appendix G)5 V% U8 Y0 b- V* w
30-508 Storage Rooms (Appendix G). O2 k: u8 L& w7 p5 D1 }
30-510 Garages and Carports (Appendix G)
! k/ `; A) ?# q1 D- G" R; X5 c7 ELampholders" O* `, z( T9 u+ Z, R+ q% j
30-600 Lampholder rating with Incandescent Lamps
( n8 t" b4 @$ e# dN CANCEL
* H' ]. H6 o% x* q5 f30-602 Connections to Lampholders
4 b: \, l9 q& p0 DN 30-600
, h' j. \# ]0 Z6 `( C$ x) _30-604 Switched Lampholders Used on Unidentified Circuits: |" ~* e C7 i Y5 R& V
N 30-6027 j7 I) F' f( @) \3 n+ t9 n6 Q1 z- V
30-606 Switched Lampholders with Pull-Type Mechanisms& _* n) s# o9 y, ?9 r! }
N 30-604
# v" a. Q9 J, J" t! R30-610 Pendant Lampholders
' M$ |2 ?/ {6 S2 E% {9 D6 U) k" tN 30-608
; h3 k- O% C0 O! T% _" O# YElectric-Discharge Lighting Systems Operating at 1000V or Less6 F, L$ q% m2 i: W( ^6 Y
30-710 Control (Appendix B)
& }2 {! T1 G- q1 C30-712 Branch Circuit Capacity
; P8 T' V8 U0 x- [* vElectric-Discharge Lighting Systems Operating at More Than 1000V
) ~* Z5 C- l" z30-802 Voltages, Dwelling Units4 l7 g9 W# {7 j2 N
30-804 control (Appendix B)
% Q& Q9 |1 L9 ]5 q+ B' oRecessed Luminaires (Appendix G)
l& q4 f: V d' B' p k8 u: C30-902 Spacings for Non-IC Type Luminaires
! l" i' U. f8 u7 [/ a$ r- o5 w30-910 Wiring of Recessed Luminaires (Appendix B)
( ^6 x1 x2 c6 }. bExposed Wiring for Permanent Outdoor Lighting# d+ n$ u* R1 j) Y/ p
30-1120 Branch Circuit Loading and Protection
5 |0 K+ I$ w3 h. E" z( `3 MExtra-Low-Voltage Lighting Systems' v- i8 o. X7 ]) G8 w
30-1202 Sources of Supply
8 p. n+ O8 s7 k. d8 a, B) v$ S3 c+ d. X3 K I3 J2 B. \) O
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
: ~, m! O: ^: x) d2 v8 t- \Fire Alarm Systems
. r' v3 X- ~7 U! o* o32-100 Conductors- B& M# c9 ?$ m S
32-102 Wiring Method
8 R+ k) y( D$ \; v32-104 Equipment Bonding8 S4 u6 m' }, s
32-106 Electrical Supervision
% i. S8 S/ V) y* T% E; O9 N" Y/ N32-108 Current Supply: z f: T# O6 T1 D
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
% x) u/ r9 I, M, t$ q/ ]+ RFire Pumps
0 ?, c+ y L% a32-208 Overcurrent Protection (Appendix B)* `) m8 y% G& }; G
N 32-206
1 A P( f+ o) h+ C i3 u32-210 Overload and Overheating Protection (Appendix B)
/ M/ [3 \; w6 C3 p$ W# x/ T32-212 Ground Fault Circuit Interrupter (Appendix B)% o: o& `7 B% d% Q( N" V, Q. p! E& {
, m; y8 W- Z: Q/ E: C2 iSection 36 High-Voltage Installations+ w4 R1 Y7 ?0 u! v6 e
General
" D& K- j' F: w36-000 Scope (Appendix B)
; Q: _* q' I; T3 v36-006 Warning Notices5 \) `% A& \1 w" D- ~6 c5 C
Wiring Methods1 }, H/ a& M: ~ Z
36-102 Radii of Bends
: K* ?- ?9 I9 g& A' v36-104 Shielding of thermoset insulated conductors$ q% I* \: W! a$ N" m- p
36-108 Spacing of Exposed Conductors (1) table 30, table 31
2 Z p. r; H6 E, f( t5 N4 @36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34! U1 a1 O2 P+ t2 A" E# q
Control and Protective Equipment# V8 z0 w5 L# m8 [( A
36-214 Disconnecting Means
1 b) X7 [3 R( d1 `9 W7 Z; O Grounding and Bonding
2 j0 t4 k3 Q( J' P! H( x3 l$ Y( K36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
7 |9 J. j( v1 _; q: c& ^36-302 Station Ground Electrode (Appendix B)5 E1 g! J/ S3 d; @
36-304 Station Ground Resistance (Appendix B)$ T# o! d7 b( y2 C7 |9 M& z9 S! t
36-308 Connections to the Station Ground Electrode (Appendix B)6 X4 |3 K6 H, s3 `
36-310 Gang-Operated Switch Handle Grounds" y( X. X! q& H, q) y0 A, t
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
2 C) S B- V1 \' o" ^
o$ ?' g' Z$ Y- WSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment$ l0 A4 Z6 k9 B0 u! X' x
38-002 Special Terminology (Appendix B)
# ^) n. {( \: N* E& M [ u: v38-003 Voltage Limitations (Appendix B)
X; V, }- t( R ^& X2 }3 S" e38-004 Live Parts Enclosed1 s. B9 u5 N+ \. [5 ^
38-005 Working Clearances
7 ^3 j# Y1 Y) X5 T38-011 Insulation and Types of Conductors
6 v2 u& p3 ^/ {6 R38-012 Minimum Size of Conductors' O7 n& f, K7 A0 E6 f# O" W
y8 I' m( I2 A7 U$ C! V; x
Section 40 Electric Cranes and Hoists
9 z N* B, Z& {5 C; F2 F9 z$ e40-008 Disconnecting Means
3 W' m5 R' [; J& R* F40-010 Main Contact Conductors* {6 z6 `; k7 b0 G# [
/ e7 F+ X) x; _8 h# W0 X( W: O
Section 42 Electric Welders; D" n- U% }, l4 S
Transformer Arc Welders& c4 T! u, R* i$ A, _3 l8 E. ?7 C
42-006 Supply Conductors z. j$ s5 @) f9 k7 i2 K# E# o
' Q( M, _; Q" HSection 44: Theatre Installations
( I7 y# @5 X6 r0 Z. V3 b3 gGeneral: r8 m3 U8 r" n5 j* \, p# p, U
44-104 Number of Conductors in Raceways8 _( ?! C. ?3 F* b
44-106 Aisle Lights in Moving Picture Theatres
+ K% g: `" S( ~Fixed Stage Switchboards1 R2 h7 z6 r' v* [+ G) @
44-210 Overcurrent Protection
( F ^# a; A' |$ F, t7 {) C9 sFixed Stage Equipment6 r0 z; o- G+ h9 B# B" D
44-324 Receptacles in Gallery Pockets# ?: Y6 v1 b# O1 [5 o$ @
44-326 Receptacles and Plugs6 P; o& A! s; q. p, n: F
4 d! }: R7 ^6 q1 `
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
0 `. E! c. t" [, I7 ?General8 W/ v9 i( ^* v9 t: b
46-102 Instructions ]1 z7 c7 A9 C6 L
46-108 Method of Wiring (Appendices B and G)( u7 d1 g! l! M9 g* ]
Emergency Systems
0 ?4 T5 k/ T) i46-202 Supply (Appendix G)
! s2 j$ F) C' Q6 g46-204 Control; k# Q* v; w6 A7 `# g2 O
46-206 Overcurrent Protection2 I+ i$ d8 w. c r7 N
46-210 Remote Lamps
; Q# A3 D+ m2 j, fUnit Equipment
0 X" X- f9 z2 h6 `, c# D! ?46-304 Supply Connections# p1 M/ I/ x5 I$ J& u
46-306 Remote Lamps (Appendix B)0 q# l/ O/ N8 w( [
Exit Signs
$ W# `. _# j. f6 V46-400 Exit Signs (Appendix B and G)
5 \$ L1 c- q9 \7 w# b9 M$ z J8 B9 O- f. Z9 ^# v
Section 54 Community Antenna Distribution and Radio and Television Installations$ f5 {" s' t' |, q
54-000 Scope
5 J, _3 X% G6 F# s6 {& `54-004 Community Antenna Distribution (Appendix B), m4 j$ W) o- } r/ F) ]/ Z' C
Community Antenna distribution' H6 S' }# l3 J. X, Z' {" K
54-100 Conductors" v; k6 U! C: c8 l
54-102 Voltage and Current Limitations (Appendix B)
" w J; N& k3 GProtection* X& W& Q$ t* |" }7 C; Y
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
% D( ~8 d9 v' E$ t& @Grounding
5 K& x# m) O7 n5 C$ M0 `1 b5 [2 x54-300 Grounding Conductor
- o) E' ?9 d! n& N8 }% [Conductors Within Buildings( A: x5 o. p, \8 F) D
54-400 Separation from Other Conductors
' w* V, F- X, G8 uEquipment/ J0 ^0 P0 T3 {, p+ D4 U: n
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
6 O( @) i) D. B/ O' X0 B* A& J5 h54-502 Exposed Equipment and Terminations
. S6 M: a7 `' t3 v; K r/ J7 f; X0 P' _/ u$ m5 B, o
Section 56 Optical Fiber Cables
1 {. R+ D2 n6 m. f) _General
; R3 \/ c" ?* K. U56-100 Special Terminology6 J1 n( ]" `6 H
56-102 Types" \- }! s! M6 f3 G: L2 R2 W7 u
Installation Methods$ w \5 t# D& c: n2 X
56-200 Nonconductive Optical Fiber Cables (Appendix B)) B" m! D7 V& y: [# c5 T
56-202 Conductive Optical Fiber Cables (Appendix B)
6 `) X/ k% [4 H- ~ b: p/ g; \56-204 Hybrid Cables0 X( P1 h5 u0 E- @$ d( o, w' w# `: I* f
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)1 X0 I- X0 K/ S* l( v- ^0 w, [
! U. Q0 T5 P1 G( V1 X- ?
Section 60 Electrical Communication Systems
7 m! `# w, z b4 j: B5 G# V0 E! q/ kGeneral* e$ r' o3 ^6 t/ m. r- f- X
60-100 Special Terminology
7 v. r$ n8 b( v4 Y6 gProtection3 v3 A Q0 F6 Y3 Q+ y
60-202 Primary Protector Requirements( i7 ]; a8 H. r9 y
Inside Conductors1 o4 N1 [# _% c! g' }9 n" k
60-308 Separation from Other Conductors
6 y# N, u m; [0 s1 b. u p* f1 VEquipment
5 K. ~- `- m- T8 V" P0 L60-404 Exposed Equipment and Terminations
* M; H8 q- k! W {; e1 _Underground Circuits
) w' F6 Y5 @6 m! f' v60-600 Direct Buried Systems- K1 h+ o7 ~+ t3 d3 M8 z2 P8 ]
/ U4 G( f0 ^1 s/ w, |% D5 q RSection 62 Fixed Electric Space and Surface Heating Systems9 ]4 U6 H) m4 l- R# h) \7 m
General* n8 x, X, p! j4 y( ^
62-102 Special Terminology
2 n$ K# P+ Z* x; y3 U62-108 Branch Circuits( N1 w' \8 @ W1 x* f9 m
62-110 Installation of Fixtures
+ _) m- Z6 D4 E; e/ k62-114 Overcurrent Protection and Grouping (Appendix B) (5)8 n b5 t' Z( v8 w [% A" m n
62-116 Demand Factors for Service Conductors and Feeders (2)
& x8 _! @2 A# J9 U4 j62-118 Temperature Control Devices
' H$ {( M& G. ~2 _. t62-122 Installation of Series Heating Cable Sets (4)(7)
3 t0 b) U6 U- E: Y$ aElectric Space Heating Systems
4 r, A% H4 N$ I [% |62-202 Temperature Control, U0 F; n& u- u+ Y; \8 e: a4 |
62-206 Proximity of Other Wiring (Appendix B)) K- \4 t# |: |" g
62-214 Installation of Heating Panels and Heating Panel Sets
* h9 G' g0 @1 A62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
( b, e4 F) y! s# \62-226 Installation of Under-Floor Covering Heating Panel Sets6 p; R9 Q5 E2 \! }6 T
Electric Surface Heating Systems
9 I0 v$ s* H! @- W n62-306 Heating Cables and Heating Panels Installed Below the Heated Surface: W1 [! d- ^5 w7 }; r, C+ i
! I' g/ [2 m6 A4 u; ?& ]Section 68 Pools, Tubs, and Spas, \4 r. N! v% z6 k; h8 S
General& f; i" S) o( Y0 M Y# Y% R# W% K
68-050 Special Terminology$ Z, q+ w! l/ b8 z% F
68-056 Underground Wiring - Table 61
+ D& Y3 @! d5 E68-058 Bonding to Ground (Appendix B)
! }0 L, F4 W: u+ I68-060 Junction and Deck Boxes (Appendix B)
- Y! Y* ?) l3 a+ R. _) g8 q68-064 Receptacles
: ?( D8 d$ I$ c9 U+ S68-066 Luminaires and Lighting Equipment5 X) O# z" `5 L* g
68-068 Ground Fault Circuit Interrupters (Appendix B)# B2 M5 e+ L: J, t
/ P; R# c% f* b7 n7 u0 D+ K
Section 70 — Electrical requirements for factory-built relocatable structures and / y% o/ N- L5 P( u6 k' g
non-relocatable structures
; M2 _" R' m- h9 X70-130 Tests (see Appendix B)
8 g" H% g! X( D' r! @) I3 `
# D5 T2 m! w9 U) Y# x5 ]& ASection 76 Temporary Wiring (Appendix G)
# k! h8 e; d H* T76-004 Grounding
( E/ R' V& w" H& a M: }( | w7 z# L76-008 Service Entrance Equipment ~/ P. _, s9 E
N 76-0069 L0 r4 ]) H4 v! d+ J* `
76-014 Branch Circuits
- |, N* {' ?# Y1 u. w, pN 76-012
& y& y" I8 k% M: w5 M" y4 h; n }, t4 x6 s9 W& \
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
0 n4 j. Z7 m" a5 m: |6 Q9 q) ZMarinas and Yacht Clubs
6 j* s/ @+ z9 B3 m0 U9 S; v78-052 Receptacles* O. u% F8 g4 ? x1 f/ P4 ^
78-056 Feeders and Services: S; H) O$ h8 Y! d( j
Marine Wharves, Structures, and Fishing Harbours
8 j# i- A l. z% j1 Z78-106 Grounding and Bonding' k/ o; Q% M& s) v5 F
Tables
6 {0 I }6 ^$ w" ?3 J1,2,3,4,5A,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
3 h2 R: ~9 b" ]
- K5 v+ d. f n; ZDiagrams: 1, 2, 7
' h9 w/ v! h5 L6 B$ b! A4 y$ @* Q7 z9 {
Appendix B
& f$ s+ A. y6 }' s3 DP352: Ground fault circuit interrupter- 6mA
: E! x' n9 p2 K ]! Z: N# c# QP354: 2-126 FT1, FT4
0 U* |& `- F9 l2 N, O2 vP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)5 a3 k4 t( c3 I* C0 {& F1 P
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)) A L1 H. I2 Q
P370: 12-1012, 1118, 1214 Example:& y( O. v" c! l0 C# E8 A
P371: 12-1108% m9 w& o' ~" g( k, h/ _
P381: 18-108(1)(b), 18-158(1)(b)
% s4 r9 K/ p0 S4 a8 VP386: 24-206
8 ?7 E. P5 m5 k. jP389: 26-2566 C w5 ?2 P1 p! t0 v* G
P391-P393: Section 28, Example to determine Motor Conductors and Protection0 X/ A- L9 u0 E) l' e# ?7 y' Y Z
0 h/ `9 c! }6 ZAppendix D
4 {- m3 i# W6 Z6 r5 dTable D1, D2, D3, D4, D5, D6, D7, D16 |
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