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Canadian Electrical Code Review Guide
' N% g$ Z" o7 o0 Q A2 Q1 A9 KFor the Exam of Electrician For Red Seal License
" R0 ]1 ?* q8 O# t' y
9 Q, q. C) K3 a$ w. `Lesson One2 I+ A6 P# k1 L
Section 0 DEFINITIONS
6 a8 J2 f0 M3 u9 eThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
" M0 U6 i8 [3 ]% }( Z: E N/ {Accessible as applied to wiring methods
2 J# P5 y5 F2 M. c) g) a) E! uAlive or live
5 W1 _7 t/ r. ]4 o6 NAluminum-sheathed cable
9 O4 B% B2 {. r" [Ampacity* ^9 v6 `" N* @( b3 u$ e) F
Authorized person
) v$ ^$ f1 a: g9 U9 E# p8 B4 D) v/ IAuxiliary gutter0 n7 U9 r [, l5 X8 p' u4 A
AWG4 Q' h; }4 e+ @2 @& _& g
Bonding, \( }# N4 Z7 x( i. }
Cable tray; C& R; K' _# T6 T& M `# C& `4 c
Cellular floor
7 p# f6 s& u# m) ^8 GBranch circuit
3 ^9 a3 K# C1 C4 [Bus/ L0 F2 w% g, h! c+ i
Busway3 [" P( Q2 v' D
Communication circuit
7 R9 W0 _: t$ R2 A0 a0 tExtra-low-voltage power circuit5 d9 R# a1 O# w
Low-energy power circuit: d/ ^# B/ k5 o# P3 ^$ @ d" j4 p
Multi-wire branch circuit
+ y9 O- Q6 r; q7 L( ^$ VRemote control circuit0 q8 O9 i3 m+ }
Signal circuit
' q0 b6 s, v) V3 X( HCircuit breaker
# ]" W Q5 {/ }' ^5 m. |Instantaneous-trip circuit breaker* ?8 |( z5 I9 H
Conductor- K/ A. c+ _4 G% p/ ~
Conduit
. o1 @8 S* ?" d0 R' d) j# V& U" w Flexible metal conduit
5 ~$ d1 U3 y4 Q- Q- e1 V1 Z Liquid-tight flexible conduit0 F$ x- F! M3 O+ c% J. Q3 L
Rigid conduit8 i- R5 c9 ~# `( k6 n
Rigid metal conduit n& o9 B9 i) c7 ^2 F
Rigid nonmetallic conduit
) P, y- j* w# Q% J; q Rigid PVC conduit
7 Z+ q) o* C9 Z5 v5 U# w. tConnector
: _! `- Y" M8 D3 w0 Z& o x Box connector2 f% B9 w% a5 Z8 T4 o
Wire connector
% E8 S* }; n( V; t2 [* BController4 U, N \. l2 f4 Q9 I2 R
Disconnecting means+ ~) o) L! F# t2 z% y
Dust-tight5 E3 V. O1 O9 t* O2 n: q W* P
Dwelling unit0 D" Q# E8 B1 _7 K2 @
Electrical contractor# @1 X! ^% i0 z
Electrical metallic tubing- g3 ?; f4 `! }, M9 N, d: M- R; B9 v
Electrical nonmetallic tubing# D% O0 O# M5 ?
Emergency lighting
4 G) w" y: _ x) U/ g! \- d& yExplosion-proof
4 H# b5 |* i! y* j0 H1 O. N- vExtra-low-voltage power circuit& D, B. K; ]4 d4 f# E. E
Feeder
+ Z8 K2 [! Z* T/ A8 D; HFlexible metal conduit
+ x: u( c7 S5 q- L4 y/ pGround
6 U) f3 W1 b. \$ Y" V# }; F: ]7 dGround fault circuit interrupter0 P, Q+ C' s6 k' n! [3 B
Grounded
, n6 v8 Z( a. ^8 LGrounding0 {. E8 x K& Q1 E
Grounding conductor
( X$ Q' [+ Z" |4 \Grounding electrode* w5 u" V8 a& b- |( _$ l& o
Guarded4 T# j' U4 k D9 M6 E7 |4 Y
Hoistway
) \: q4 O6 `2 H! v1 ]: B4 FIdentified
) e( ]5 R# a; o" }Lampholder
/ q* }% Y+ I& X0 B3 V6 B" O7 q ~0 tLow-voltage protection. ]7 v& }5 |6 v; V$ Q
Low-voltage release
/ n" \3 o' X; k5 n( \Neutral$ F- d3 |0 I5 i. J7 w. z( m
Noncombustible construction2 _; B$ a3 g6 ^
Outlet5 Y2 j3 x# x5 h
Outline lighting6 _- y/ X5 A3 }; G8 {
Over current device
1 U1 g0 H! R; ~( b7 V1 i* aOverload device9 o$ ^' ~* N% H
Panel board
' I& |, S4 V$ }1 F6 k; P' }) kPanelboard, enclosed/ J+ n& ^$ @9 v0 F( l
Permanently connected equipment9 [- M; ]3 Z+ G$ P5 b/ |: `
Permit6 f, @1 `4 h! k: a# o1 c
Plenum
6 K' a2 A2 J* UPortable as applied to electrical equipment+ ^& [! ?" ^- q; c
Portable ground fault circuit interrupter$ v7 ^8 [, u. J$ s
Power supply cord
/ q+ M5 W' l, r/ F g- TRaceway- ^, L' [: X6 w' c3 d) n8 w g% t# \
Receptacle
3 @$ {/ X# W. l Duplex receptacle( k# ~9 z+ [6 f j( a7 `0 Q0 I
Single receptacle- E/ O6 y2 d; t' X* g$ }# V
Split receptacle
2 q5 g; w! {) gService, consumer‘s. ~) v6 u2 Q: Q2 l- ~
Service, supply3 B0 R$ }" B7 _. J
Service box
* h I7 p9 u" e; t pService room
4 _% F0 x! F; ^2 p- R9 CSingle-dwelling& B* S2 U8 g& s( z' n0 P$ c: T& M
Slow-burning as applied to conductor insulation
4 X9 j( J' q' w- v- FSplitter
* K/ s8 X! s* I. H. aStarter$ Q [" H% I- V- r# g
Switch
% b! S9 t' [1 n! [ General-use switch, @2 I) J$ W0 J$ U' [1 ? m% {/ y. z
Indicating switch
, a, M8 b: W n6 A. K8 o: b Isolating switch# q* U8 M5 w4 R' ]" U3 W0 }2 I
Motor-circuit switch2 K8 [! [- r+ s8 e" z- q
System
& s8 g$ s" K6 v& _- S. L; l6 N Communication system
" G+ N( }1 f4 k8 o3 D5 A J! } Community antenna distribution system(CATV)" D6 v: Q2 y4 O' S* R
Grounding system# f+ P- ?+ I# q1 a4 r. l( v
Underfloor raceway* h' r/ e- R" k- Z# K4 n! H
Voltage:
2 D+ n. P; X' K; F Extra-low voltage
6 V8 j6 b9 X! F High voltage7 a3 X( v2 |0 J* E5 ]$ |
Low voltage
# k* ~( t# Y, Z% q; g# e; L+ VVoltage of a circuit
* W" [3 B, K5 \+ Y& m! `$ r& }Voltage-to-ground1 R, m/ R8 J: d+ Q" `2 S* Z
Wireway
* e# F; u4 z5 i4 q$ H, m
, \2 W4 L4 |5 X5 ESection 2 GENERAL RULES J& K3 M6 N3 S- L
Administrative0 a- P' u# D U8 H2 {) s: I
2-018 Reconnection0 A7 h, ` o; b9 v& Q: I
2-030 Deviation or Postponement
+ d* }6 R9 @* h2 [& Z" B) H8 B% n" KTechnical General4 S: Y- c+ g7 \" w, ^$ w1 }
2-106 Circuit Voltage-to-Ground – Dwelling units
4 f: T9 j Q: B1 C- _* c8 J: ^# K2-114 Soldering Fluxes
4 h2 I6 o" C: o0 l2-116 AWG Sizes of conductors
" r' t/ Q1 | y& e9 `5 r' a2-124 Fire spread (see Appendices B and G)3 O2 a4 \% p' b* {% P
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
) d/ _& e) O. R. O6 @4 @' yProtection of Persons and Property
/ i6 o1 F y1 b! K5 X: j2-202 Guarding of Bare Live Parts( T, U/ W& }$ y5 c
Maintenance and Operation: V( \: D' l2 e$ t" R; t/ r. H
2-304 Disconnection# ]+ S& w2 V# A- d- e
2-306 Maintenance of Live Equipment" W9 f& m! B, I) [ c; O% q( D
N 2-306 Shock and flash protection (see Appendix B)9 x" ~$ V) g# e
2-308 Working Space About Electrical Equipment: Table-561 i W* h9 t' s0 Q
2-310 Entrance to, and Exit from, Working Space& A% B0 ?5 P8 O: @, J$ x. b
2-320 Drainage
$ ]' V5 G4 l3 n" f2-322 Electrical Equipment near combustible Gas Meters and other Devices* h& T6 W" N/ Q" F4 `5 e# S
Enclosures0 k3 }% l6 _/ a7 ~
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
. ~: m: q$ O* F2-404 Marking of Motors: DP, WP, TE
6 k) t9 w6 o$ k: c6 f , e& p( h7 b5 e$ B5 Q% w
Section 4 Conductors
: \% X* i" s8 k+ k* p, R4-000 Scope
, M/ Q' t3 x% H" q$ V( l( Y1 A1 X/ s1 V4-002 Size of Conductors: 14#, 12#
: u' W) b E5 p* ]' Y5 k4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36* f" A/ c5 F/ e0 o
4-006 Insulated Conductors: Table 19
, q. T! `' s6 m" Q* q3 E( i8 h5 e" r4-010 Uses of Flexible Cord: Table 11" W7 f/ q7 ~$ H8 a4 C; i
4-012 Sizes of Flexible Cord7 e2 \, C+ f/ l! q+ R8 r0 ~
4-014 Ampacity of Flexible Cords: Table 12
; ? r' Y! V$ \" @# K4-018 Equipment Wire/ ]/ {, J" y: s' x$ A6 F
4-020 Insulation of Neutral Conductors# f) t) \- p2 V5 a7 s
4-022 Size of Neutral conductor
* }. d a) r: s6 v4-024 Common Neutral Conductor
4 Q1 f1 Z0 L( ~6 [1 I9 j4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum* `0 K9 }( `8 h! N, Y" I- k
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum$ i, e; ~" D! b5 f5 A
4-032 Identification of Type MI Neutral Conductors! Q. _4 d" h. T( j$ | ^
4-034 Use of Identified Conductors/ b3 A5 j; l u/ @2 f' b
4-036 Colour of Conductors: Phase A, B, C, …4 H6 C0 L. m+ q: ]; v x$ O
3 T! C; s- r# ?4 n
Section 6 Services and Service Equipment
) o3 ]* Y D$ ?) i' T6 _+ p* \) cGeneral% R9 z. I4 T7 e7 O' M% `3 A( w7 f# v+ ~
6-102 Number of Supply Services Permitted
4 K& W5 R9 v2 _ m& j9 r6-104 Number of Consumer’s Services Permitted in or on a Building' z9 C2 j( k" p P$ X
6-108 Supply Service from an Electric Railway System! F! g9 e# Q \& `
6-110 Three-wire Consumer’s Services
1 {6 ~9 c5 H* U( O6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
/ B# B9 o' k9 l8 u: y. Y7 Q! p6-114 Methods of terminating conductors at consumer’s service. F8 q% v; x* v0 e, [. e0 F7 T3 D
6-116 Consumer’s Service Head Location" V6 r4 _/ Z( R8 ~$ S% p! J% a
Control and Protective Equipment+ A6 q2 Z; i, f8 q/ ]9 t' M- c
6-200 Service Equipment
f2 F$ J% c' \( z9 ]- G6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)5 ~" S- f# K9 x4 N
6-208 Consumer’s Service Conductors Location
! m' p* N, C/ E( x# b' Y6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches$ c1 y8 u" X/ ?1 M- m2 e- r
6-212 Wiring Space in Enclosures
J6 C- O/ A9 h/ r5 a6-214 Marking of Service Boxes
7 s: s4 Z1 l6 I7 S; L: AWiring Methods
4 g9 k3 A4 D/ v* \# M7 M6-300 Underground Consumer’s Services) }" ], N4 b, F2 r( D9 G
6-302 Overhead Consumer’s Service Conductors
& |" Q j9 _! \' A6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
0 C8 A+ n6 |. l/ X- U6-306 Consumer’s Service Raceways# ?9 f1 `5 \% S) |5 S' J5 L
6-308 Use of Bare Neutral in Consumer’s Service1 P+ m& M4 Q# P% o8 Q- I
6-310 Use of Joints in Consumer’s Service Neutral Conductors
5 K" m1 z; {8 c% b6-312 Condensation in Consumer’s Service Raceway1 X5 u) r* T) N; K# L& _. Q r
Metering Equipment6 E! |" ^$ l! R* D3 w' | q6 x* @
6-400 Metering Equipment
+ P2 G. T6 N, O! b0 g& \+ T% r6-402 Method of Installing Meter Loops" i+ ]- N1 m$ ?- g
6-404 Enclosures for Instrument Transformers5 @% i) w7 D* q* A! \
6-408 Location of Meters
0 _3 X$ M* ], ~; _: E1 y. F; m- m6 F% w. \8 O: U% G1 c/ S
Section 8 Circuit Loading and Demand Factors
" o- a7 c; u" E1 j1 p( |General, f; N( f! f l [
8-100 Current Calculations
% w( n1 w- |1 D8-102 Voltage Drop ( see Appendix D)# H' [' f7 Z( M* ?2 b
8-104 Maximum Circuit Loading
# \2 \' R# a3 s/ x! h/ {7 {- r8-108 Number of Branch Circuit Positions) q. C+ V2 V5 \" a5 n
8-110 Determination of Areas
* s- J4 X; T- G" ?4 aServices and Feeders
4 v- k" F" t8 a+ e8-200 Single Dwellings (see Appendix B)( r8 m+ L( l8 }) t: [( @# O. j
8-202 Apartment and Similar Buildings; P1 ]5 e+ g) P7 B% k6 J% X
8-204 Schools" l6 u0 l7 k7 l: X( \
8-206 Hospitals6 {" |1 ~3 V' ?% \
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy) O0 h/ |! L% _+ q2 q4 O
8-210 Other Types of Occupancy (Table 14)
" l5 w x5 A- T ^8-212 Special Lighting Circuits
. @& w# i: o g% fBranch Circuits
0 w- {& t O6 h. Q" W8-300 Branch Circuits Supplying Electric Ranges, x0 O O6 N9 x( G1 s1 A ]
8-302 Connected Loads
" B( {1 m- [! _3 g B/ b! h* O6 a1 T! @' ^# a
Section 10 Grounding and Bonding
, p" g: g I4 J7 c, rScope and Object* N) W5 S' {. t4 {
10-002 Object" g( D# |( t0 v4 R) H
System and Circuit Grounding& C9 m, b) e- N, X( g" W2 b0 ~
10-102 Two-Wire Direct-Current Systems- v9 D& r, A# o0 j/ r* [5 c
10-104 Three-Wire Direct-Current Systems7 s- Y( @8 U# V M( W0 V
10-106 Alternating-Current Systems+ Z0 V# x3 ]: g: M
10-110 Electric Crane Circuits
1 G; M% n) H; ]6 d5 l9 i0 y10-114 Circuits of Less Than 50 V
/ @4 J/ u7 [2 M) F10-116 Instrument Transformer Circuits
; j# L/ N/ Z3 A3 T" {Grounding Connections for Systems and Circuits+ p9 u h* M5 m# G6 R W
10-200 Current Over Grounding and Bonding Conductors& Y& t( J" @; J5 k
10-204 Grounding Connections for Alternating-Current Systems+ A, `3 _& x' J6 r7 \
10-206 Grounding Connections for Isolated Systems: q( E% H) R1 \# z: K. f& v
10-210 Conductor to be Grounded
* U1 U# P6 X5 n8 ^& J4 I1 nConductor Enclosure Bonding
+ M; f3 w% ~( d' x10-302 Other Conductor Enclosures1 t* f# T/ P1 A- A% _* n
N 10-304
2 B3 c3 }- R* z( s. vEquipment Bonding
- M. A' ~ B) ]( [" W7 `. R10-400 Fixed Equipment, General1 N i% F! r0 Q% M" D
10-402 Fixed Equipment, Specific (3), (4)2 R# Y$ ^+ k3 N- j" r
10-404 In Nonmetallic Wiring Systems' b, f U& ?8 U$ L. j
10-406 Non-electrical Equipment
* U0 R) _3 M3 m# R5 r) r10-408 Portable Equipment (4)(b)
" e8 T, l' A, |5 k2 r/ Z: z10-410 Instrument Transformer Cases
6 D! J- p$ E E( l% r2 s! x7 ?10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less" f; [. C# ~4 j; z- Q4 x) Z
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V* o3 G1 Z/ L) u9 X7 Y6 p& c
Methods of Grounding
# T6 G: y2 z9 z/ H10-500 Effective grounding (see Appendix B)
& w! U/ G }1 c; M2 y8 g7 |$ `" Z10-502 Common grounding conductors+ o9 F. n) h, _- {# s; A
10-504 Common grounding electrodes) n5 @2 o3 F6 Z& s2 Z/ t
Bonding Methods
) u0 B, D) t/ j% M! W4 C10-600 Clean Surfaces
u R7 R& h+ P$ h" U: t10-604 Bonding at Service Equipment
* G8 o: K3 m% a& Y10-606 Means of Assuring Continuity at Service Equipment
: Y& }5 Q( h0 e1 z O+ y10-610 Bonding at Other Than Service Equipment" v/ w; _' _. Y1 j- ?& ^
10-612 Loosely Jointed Metal Raceways& u* ~) }( t' r
10-614 Bonding Jumpers Table 41/ A/ X" D+ t6 L- U5 B2 ^
Grounding Electrodes$ g% N3 @# h/ |6 c3 C, N) W
10-700 Grounding Electrodes+ j% l- ]4 i* K5 x0 y
10-702 Artificial Grounding Electrodes
8 y. f/ T) o; t, h+ _N 10-700 & 10-702
, b/ b6 z1 T" N% S1 i- u# d9 ]10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
2 Q2 t; y& E" d6 ^6 _N 10-7025 r) x, k! l% Y4 H; B4 N( R$ H/ q
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
2 D" _1 Z5 k& F7 s% \) a4 N5 iN 10-702
8 ^/ K5 i/ P* x+ t# i+ u10-710 Use of Lightning Rods (Appendices B and G)! _1 Q B* M1 L6 E! n* j3 Q0 _7 I
N 10-7069 S' A: V3 j$ b8 X$ f
Grounding and Bonding Conductors3 t2 X1 \$ g% M8 |: e0 X- z
10-800 Continuity of Grounding and Bonding Conductors
% Q6 {* @5 }) H' T1 n. [10-802 Material for System Grounding Conductors
, G+ t' X6 C6 N) i/ c r7 w10-804 Material for Bonding Conductors' E* o7 d- f) i
10-806 Installation of System Grounding Conductors* r6 E# t$ I* I% D W
10-808 Installation of Equipment Bonding Conductors0 V& `1 d7 q2 d( J# V7 j6 g+ D
10-810 Grounding Conductor Size for DC Circuits
4 {7 w: N$ `' n& A' g+ T- c! t) z/ M10-812 Grounding Conductor Size for AC Systems (see Appendix B)
4 E P4 o3 \: _6 r4 S/ o" e5 |4 f10-814 Bonding Conductor Size (Appendix B) y2 Q8 b- _7 I3 x( o) @
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
6 R6 |; i8 [: Q, V3 Q10-818 Bonding Conductor for Outline Lighting
% {3 C/ n$ f" o10-820 Bonding Conductor Size for Instrument Transformers) y) n( X3 c8 e" d
Grounding and Bonding Conductor Connections
1 j7 F5 z) g; ^, I" {7 I10-902 Grounding Conduct Connection to Water Pipe Electrodes) { O. D3 [' c$ N
10-906 Bonding conductor connection to circuits and equipment& R" J- @& ~8 e
10-908 Grounding Conductor Connection to Electrodes
' {" F+ C' f" Z% k% nLightning Arresters
6 f: j: V {# q; f1 Q10-1000 Lightning Arresters on Secondary Services – 750V or Less
0 o! S/ l; l. K y9 i/ E' o
! ?% [+ X* |4 }1 \Section 12 – Wiring Methods
* A' Y- b' G; ?: I+ RScope- l8 n0 y2 k6 _4 F
12-000 Scope (Appendix B)5 w) Z3 I u4 l1 J/ o
General Requirement
6 V8 T# I) @) z# _% k! Q7 X Q12-010 Wiring in Ducts and Plenum Chambers
/ O- h7 d/ z# M# c9 j) ?5 [) A12-012 Underground Installations (Appendix B)- `2 O: G3 A6 T
12-016 Lightning Rod Conductors5 X& q. P! I" a( G: B
Conductors - General: v- D7 ~# z( q& V
12-100 Types of Conductors (Appendix B) Table 19) c% h/ S, T1 q* T! o) S( w
12-102 Thermoplastic-Insulated Conductors- y+ A6 d! S; Q' {2 x
12-104 Flame Tested Coverings
- ~% I9 Z" S7 O) l( j12-106 Multi- and Single- Conductor Cables
+ S& o1 m4 Q d" v Y" r4 q& C12-108 Conductors in Parallel (Appendix B)
+ W k; |) E5 F4 ^6 M9 t: F; b12-112 Conductor Joints and Splices3 p. d' \) o& q# i
12-114 Ends of insulated conductors
8 a5 Y" S/ G4 p2 E! x: {12-116 Termination of Conductors (Appendix B)2 U4 t6 \) c: X7 L G7 J
12-118 Termination and Splicing of Aluminum Conductors
0 Q* m& i7 v$ ]+ @12-120 Supporting of Conductors - Table 21
) S+ j, H" W' \+ T. fOpen Wiring- [2 P7 N% n. X1 l& x8 p$ h- b$ _
12-204 Spacing of Conductors
. O! m+ p/ ]$ f2 X7 y12-206 Conductor Supports
! W4 D7 e8 m: l% R1 u12-208 Conductors on Flat Surfaces5 c5 x# e5 U/ M4 \0 i" Y6 T. Q1 C
12-212 Protection from Mechanical Injury, t, { _! A8 G" Z4 Y
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
0 p8 N: P: p4 I u) U2 m12-308 Minimum Size of Overhead Conductors
8 n3 \# P! j3 Z12-318 Use of Neutral Supported Cables
* c3 [$ p& u$ ?5 PNonmetallic Sheathed Cable
3 _. |7 h+ m( }( a12-502 Maximum Voltage
# l! u8 F7 Q8 ^' p7 B2 F12-510 Running of cable between Boxes and Fittings (Appendix G)
: q# [0 G( m/ [/ [: L- @, V% a12-514 Protection on joists and rafters
% E; z# h. F* m- W1 k12-516 Protection for Cable in Concealed Installations (Appendix G)5 c: S+ R! Q% o/ i) A1 v( n+ K
12-522 Where Outlet Boxes Are Not Required
) @& m2 Z5 j; ^3 x& ~ E+ I: fArmoured Cable
. q) Y# J* c# @0 z; |12-602 Use (Appendix B)& Y% W2 I1 l4 C$ L( i- K
12-604 Protection for Armoured Cables in Lanes4 ]7 T5 I6 ~7 c
12-606 Use of Thermoplastic Covered Armoured Cable
/ _; L1 T' Z' j2 s, [7 t5 a12-608 Continuity of Armoured Cable: x+ E3 n5 @( v+ Z x
12-610 Terminating Armoured Cable
$ l* b9 z$ P3 s' x12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems8 M& e3 _' w7 a$ s* e/ f$ T$ s
12-614 Radii of Bends in Armoured Cables" v% a, b) j- Q/ Z: N" }
12-616 Concealed Armoured Cable Installation# q6 p. j' n! Z' A% Z
12-618 Running of Cable between Boxes, Etc
) p/ W2 z% E' ?9 R, @6 dMineral-Insulated and Aluminum-Sheathed Cable* H# _% b7 c1 r
12-702 Use
1 e0 m' _2 n5 D, o$ O# `5 x( e12-704 Use When Embedded+ g. n$ n" ] g6 M9 u/ u
12-706 Method of Supporting
0 ?5 }; N6 O9 P+ L( m0 D12-708 Direct Earth Burial# q1 x+ i( ?6 c0 v! i- ]: i
12-710 Mechanical Protection
* i& q# F1 e* ]+ `9 {9 w12-712 Radii of Bends
! n$ M G0 {' J2 l. e& t3 U6 F: T4 Q12-714 Termination of Mineral-Insulated Cable (Appendix B)& [' [' p" h- m) v% ^4 P8 q; [; E
12-716 Connection to Other Forms of Wiring
5 m& D9 j1 U9 V7 I; s0 F9 Q6 C4 EFlat Conductor Cable Type FCC. k. R; Z2 m: P6 ?
12-804 Use Permitted- \9 ~8 A! g+ C
12-806 Use Prohibited9 i5 Z* ?7 O! W3 ~! |6 c
12-818 Anchoring
1 S( [" L7 @2 k1 C8 }! ?12-820 Crossings* K9 ~. G) m2 C) ~, B: i0 P
Raceways - General; E+ {. P- h+ i6 H
12-904 Conductors in Raceways. S( z" X+ m4 f* h; Y% U
12-906 Protection of Conductors at Ends of Raceways
, J: M/ b) a: l. l12-908 Inserting Conductors in Raceways7 s3 m6 }5 q* O( T
12-910 Joints or Splices Within Raceways* Q' \' U$ E/ Q4 ~7 D' Z; a
12-912 Stranding of Conductors
+ o3 i$ e6 k; ?" B12-914 Electrical Continuity of Raceways
( U' g3 J0 t$ }1 a) \) A$ I12-922 Radii of Bends in Raceways' q$ `4 U$ Y, J) `: N' `% y- U
N 12-922 Radii of Bends in Raceways Table 75 a5 p* J! L: D& e- l: q2 Y5 f
12-932 Protection for Raceways in Lanes
& c D+ e; P! |& t4 _0 i12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)/ }& H$ U7 X6 b2 ~: D8 V$ ?
12-938 Capping of Unused Raceways+ y# a; p# r0 u
12-940 Maximum Number of Bends in Raceways
( F6 b9 @ p/ t9 iRigid and Flexible Metal Conduit
- y5 }$ L: Q6 W' k8 E12-1002 Use0 t3 L3 o' f2 E# A I$ B! ]- j
12-1004 Minimum Size of Conduits
" ]9 A1 z& O2 W12-1006 Conduit Threads (Appendix B)4 @' I) ^: c7 E1 Q3 ~: ^' X
12-1008 Thread Engagement" d3 O! i7 r( a" R3 {: O
12-1010 Maximum Spacing of Conduit Supports
' u w5 f: n: n: P9 H6 F12-1012 Expansion and Contraction of Conduits (Appendix B)
$ `' }7 _8 r; B12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 : n" m0 U* ^7 n/ h, _7 I
Rigid PVC Conduit and Rigid HFT Conduit
# h# u3 O0 |- n/ }) D1 _6 Y) {12-1100 Use' F0 a) J# V2 F2 F1 ~# I# f. _5 O) [
12-1102 Restrictions on Use
4 L+ W9 X% y, {, T* R12-1104 Temperature Limitations (Appendix B)
* x6 B" {$ Z0 X1 o7 y12-1108 Field Bends (Appendix B), (2)
2 o3 @- D* n2 T; b: {" z12-1110 Support of Luminaires) _3 r8 Q0 F% y, N
12-1112 Fittings
0 t. _) v8 h# h" E2 _: x: N12-1114 Maximum Spacing of Conduit Supports
( I' s0 ]3 k. i" H# [8 ~+ k" O12-1116 Support of Equipment
- I4 e* F Z+ i0 |- N7 D9 L. V! z12-1118 Expansion Joints (Appendix B example)
& v9 k+ r. f: o: S$ K1 |# {Rigid RTRC Conduit
; Y* j: O: p$ L: X: a& C4 D7 l12-1210 Temperature Limitations" _+ B4 Y ~2 |8 t# `* j6 }
12-1214 Expansion Joints (Appendix B); \+ W& Y% ~6 ]" Y& N
Liquid-Tight Flexible Conduit* _6 R4 g: ]( Y( d4 O$ P x4 P
12-1302 Use of Liquid-Tight Flexible Conduit3 }+ v" E! F! b
12-1304 Maximum Number of Conductors& }* L9 R. {; T! J5 b! p; D
12-1306 Provisions for Bonding9 H; \6 J9 `7 b5 g1 l' E
Electrical Metallic Tubing
! Z, @: S7 l+ \, j- d& P4 O12-1402 Use
7 d! F; Z! @7 r7 i6 J1 n+ o; ]12-1404 Supports
+ l% o, s& ^; X/ t( w* k, q* `12-1406 Minimum Tubing Size/ f) D/ u/ |% x0 @$ F+ U+ c1 W
12-1408 Maximum Number of Conductors) p9 @6 f, {9 ?: S# _3 T* V- l
12-1410 Connections and Couplings8 j# m" f5 J# J1 G* V" W
12-1412 Radii of Bends in Tubing
) o O8 J X3 [+ m+ y, \7 ON Table 7
* v8 |0 d0 g- t6 U/ N' Y5 fElectrical Nonmetallic Tubing
! x- j' v! j0 y* r12-1516 Provision for Bonding Continuity4 a3 J/ K! E9 l2 w; f$ }; r+ d
N 12-1514
! n* K" T1 ?% V8 D8 H7 MSurface Raceways
& }# j, }' p1 v9 L% L% ~12-1602 Use of Surface Raceway (Appendix B); Z2 @( c2 O" x2 C
12-1604 Temperature Limitations2 S D0 V" u% K9 |( Y0 E9 P
12-1606 Conductors in Surface Raceways (Appendix B)# I4 E: e& e) F4 M1 {
12-1608 Maximum Voltage5 I) H# W7 B* g, Q1 A- u
12-1610 Joints and splices
* A6 L4 s3 _- ~1 nUnderfloor Raceways
) A2 Y& o% @8 [" k12-1712 Discontinued Outlets in Underfloor Raceways
" ~, C: r5 Q% T' ~: c" P' ?Cellular Floors
' B$ R |7 i- c$ s12-1804 Maximum Conductor Size in Cellular Floor
4 Z+ V4 J/ q# y2 g9 _12-1820 Cellular floor discontinued outlets
6 K& y4 n. x% C( `Auxiliary Gutters* A8 \5 M+ Z" r( y6 D: _
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
/ _; u2 B L- a. l9 N% {' U R! _12-1902 Auxiliary Gutter Supports0 C2 A6 ?4 y+ u% w! Q- d$ z
12-1904 Auxiliary Gutter Cross-Sectional Area" U- p3 X/ k$ v0 _ B+ e
Busways and Splitters
g" g0 f$ g, Q2 X* V12-2004 AC Circuits in Busways and Splitters
- H' p$ }2 g- e/ q12-2006 Busway and Splitter Supports
; z$ ]* s/ H) G1 B12-2008 Method of Installation of Busways; J6 R4 o* s0 O
12-2012 Reduction in Size of Busways
& E" a1 Z: i3 n12-2014 Length of Busways Used as Branch Circuits( k9 |5 W' x- p1 ^( q& g' Z
12-2018 Taps in Splitters2 O; T0 y8 t% A2 p* e; `. z3 C3 O
Wireways
9 C, e# M8 h) c- \+ W. j12-2104 Conductors in Wireways
. R5 o2 ]# J U4 q# ]) ~12-2106 Taps and Splices in Wireways
+ m# W) J1 B2 n- T& I Cable Trays9 u6 [, ?6 Y8 S8 G4 R; J1 F
12-2200 Method of Installation (Appendix B) B* O. v7 X: X& h
12-2204 Joints and Splices Within Cable Trays
2 {" M6 F% E0 C( O' \+ A( N12-2208 Provisions for Bonding5 h$ \5 `" e1 {, C! G# \
12-2210 Ampacities of Conductors in Cable Trays
- z+ s0 d/ g4 p8 |. M; lInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings6 \# T( W u- V" ]1 X% B
12-3000 Maximum Number of Outlets Per Circuit& G) U$ I& Y7 G0 M q2 U/ S, q9 E; m
N 8-304
3 o" a5 q5 B) `* B12-3002 Outlet Boxes (Appendix B)
/ \& p8 B% j- S+ ^N 12-3000- z1 A5 V4 ~9 Q. m' T3 g6 k
12-3004 Outlet Box Covers
) s0 X# S; I# y5 k' U8 K; m# lN 12-3002' `3 A/ F1 e( h' a# y* H5 r
12-3010 Boxes in Concrete Construction
. W; O" ?1 k3 n$ u. kN 12-30088 E! ?$ d6 [+ J; s# O& L, w
12-3012 Outlet Box Supports
; w& d8 P( o) B; A) iN 12-30104 M" t5 ~ m/ J0 T; r, M
12-3016 Accessibility of Junction Boxes9 a1 `( h4 p, I+ q% Y5 e
N 12-3014
( h& C' V! L" A% y1 T9 ~0 F9 z/ V12-3018 Flush Boxes, cabinets, and Fittings) \) [, n) m# w* ~0 a4 s. q+ v
N 12-3016
0 ?9 C$ W4 s. S" q) j+ `$ G# W8 U12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
7 }) L; O4 d- U$ X) ^' kN 12-3022) x6 {0 x4 F5 D$ f+ T6 p; `
12-3036 Maximum Number of conductors in a Box - Table 23% `9 v* j: u( c" j5 p9 I5 t
N 12-3034
1 L: c4 @5 q2 F* p" w12-3038 Pull Box or Junction box Sizes
) \- B0 t1 T: D x/ FN 12-30361 B( z$ x$ z9 E
& G% @' Q- H8 |3 n' uSection 14 Protection and Control
+ _5 T$ z/ m* aGeneral Requirement
/ s A2 F. v" e. }: g( R( ~2 z" D14-010 Protective and Control Devices Required) W( O2 E( E! x
14-016 Connection of Devices
. Z1 w9 b, h @& m; H* V Protective Devices – General4 V/ }2 O% x+ O5 k) k3 b; V3 @
14-100 Overcurrent Devices Required
& z2 \1 ]' Z/ @: D14-102 Ground Fault Protection (Appendix B)
! i" M S( |( w5 Y4 c/ a4 P* Y7 l14-104 Rating of Overcurrent Devices (Appendix B) Table 13
8 ~* S: ] B- l, m" f14-112 Overcurrent Devices in Parallel! X( X+ q, A; z6 b# k) x
Fuses
* Q6 o D, a" n14-200 Time-Delay and Low-Melting Point Fuses1 C) [* t) Y0 O6 v. U% g7 S
14-202 Use of Plug Fuses5 n1 u' r2 l! c$ F- A; `3 k, a
14-208 Rating of Fuses$ J0 m: z1 T: i9 d5 [1 b) W
14-212 Use of Fuses (Appendix B)% \" I3 j5 W6 j; k
Circuit Breakers
+ }# a" M: j& Q, b3 U/ D1 i14-300 Circuit Breakers, General" I+ L1 H2 L `6 s
14-306 Tripping Elements for Circuit Breakers
$ m: h6 A, s2 }) k, z: z3 v! |14-308 Battery Control Power for Circuit Breakers; U0 _+ H, \, m/ @7 Y! J
Control Devices - General
; ?7 N& u% E$ [( J/ { P. S) ^14-402 Disconnecting Means Required for Fused Circuits
; C4 I1 l% J; J; ~( `9 a7 Q. oControl Devices - Switches
* L9 w0 u1 ?5 x: c$ T n' y14-502 Mounting of knife Switches
, N1 g5 F. S/ |* j1 }. S14-504 Maximum Rating of Switches6 k4 ^1 F) f" z
14-508 Rating of General-Use AC/DC Switches (Appendix B)$ ^4 j& t6 d3 s, V& E2 h+ A
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
8 I0 M( n5 S+ [Solid State Devices, u; Y" [( M( C- ]! s% _" W9 w J3 ~1 {
14-700 Restriction of Use
9 ?$ S8 y) O; r: o- B14-702 Disconnecting Means Required2 K1 t. }. }/ r! x
+ i o5 x1 p* m' {9 ySection 16 Class 1 and Class 2 Circuits0 i" D# t# W* b! l$ P/ a
General
, Y( c) p7 j* r# E" [16-004 Class 1 Extra-Low-Voltage Power Circuits% y/ f; g- Y2 Z% U
16-006 Class 2 Low-Energy Power Circuits
- M0 l- u/ r1 O5 l* ?16-012 Circuits in Communication Cables$ A# `: w* H3 A- U' F
Class 1 Circuits7 s( g0 s1 @& B& q, z
16-100 Limitation of Class 1 Circuits5 I9 r# V/ n6 U _# P
16-104 Overcurrent Protection of Class 1 Circuits- v! z; A; }7 N: A: [7 k' ^
16-106 Location of Overcurrent Devices in Class 1 Circuits3 X: Y9 ]9 k+ J7 [% ?
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers5 W9 S3 P+ t: a; d
16-110 Conductor Material and Sizes
. V$ q! y1 h. f7 i9 d* O7 F16-112 Insulated Conductors for Class 1 Wiring4 |7 O9 x; Y1 h7 D1 ?* o% m' s1 U
Class 2 Circuits
8 N R+ c$ v ]0 s5 b0 N2 [16-200 Limitations of Class 2 Circuits (Appendix B)
: r+ O8 ]: y; G( E( i4 y16-204 Marking/ a( X/ H3 y/ N
16-206 Overcurrent Protection for Class 2 Circuits5 w) A( }% ~9 n
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
+ b7 M( ^4 t0 B% ~- w6 O7 C, m$ Y3 FELC: extra-low-voltage cable' l$ Q/ ]: I' }. V
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
R/ [1 j( j: ?$ S0 l" ?: y) |
4 S2 r+ [, u/ d( o6 oSection 18 Hazardous Locations
: w3 d; L8 [! e, o* d' } r! e% F; C: oScope and Introduction* u! w( x% J5 I
18-004 Classification
- C H1 m6 |$ Q18-006 Division of Class I Locations (Appendices B and J)
3 \5 k$ U! J7 l: {3 W' _18-008 Division of Class II Locations (Appendix B)
/ M7 U9 s" h$ A- f$ N l6 T9 k18-010 Division of Class III Locations (Appendix B)2 i6 R' w* D) ~2 p4 @6 d+ h
General
) l, w- |) p) r/ W# ~" C* v18-062 Metal-Covered Cable (Appendix B)$ P5 R" v) G; o5 Z, @
Installations in Class 1, Zone 1 Location
' p5 z# c2 E: N$ b+ D2 m18-108 Sealing, Class I, Zone I (Appendix B)
% c1 N: i+ {# z$ l
# U9 j& a9 k6 ~0 f: TSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars- e& z% b/ K( l/ d# r5 l
Gasoline Dispensing and Service Stations
( j+ k5 Q1 H% r' f7 O20-002 General0 @$ Y! b+ W" j& s
20-004 Hazardous Area (Appendix B)4 ?' O# H; q$ e: q; \
Propane Dispensing, Container Filling, and Storage ~2 R i5 ^) }
20-034 Hazardous Areas - Table 63
O+ h* j W( e+ S, ?Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities8 u5 |5 K# @$ f& Q
20-062 Hazardous Areas
g9 m, Z1 B7 I, P3 z7 G+ Z" aCommercial Garages – Repairs and Storage, t( Z& L3 f9 N2 K2 {
20-100 Scope
* i7 |. I- z6 T6 H1 x+ P20-102 Hazardous Areas (1) . s( d4 p9 Q9 U$ |4 s# k0 b
6 Y {2 h9 n( M+ X+ G) `4 z4 CSection 24 Patient Care Areas
. V7 E1 m! D4 \$ q R! T/ V24-000 Scope (Appendix B)
* J8 t4 J s3 @ ~! ?& m$ W24-002 Special Terminology (Appendix B). x4 ~# B7 k' o) ?7 n
Patient care area# Q- @# P* d1 R( k$ {) b/ ^
Patient Care Areas
* J$ @& m }! u. m24-106 Receptacles in Basic Care Areas (Appendix B)
b5 M6 X3 D9 X; w8 w4 k+ yIsolated Systems4 ]4 j, E* E, X( i- k* y9 l
24-204 Single-Phase Isolated Circuits (Appendix B)0 `7 d3 P( \" u0 K: |
24-206. @' f$ m' f Y" m2 h3 r1 W
$ P9 t8 m2 \% [$ FSection 26 Installation of Electrical Equipment
. |3 c; t! F3 }" DGeneral
% Z M p* O: a% D; X. |26-004 Equipment Over Combustible Surfaces (Appendix B)
5 x7 J( ]. B6 K# o/ b& S26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G), t* ?$ i# g' c1 l# J9 F1 G4 s
Isolating Switches
+ I. o" H: X0 ?3 i; u26-100 Location of Isolating Switches. P% ]6 B" c# E8 Q: l% a" |
Capacitors
1 O+ h: K4 k8 O; j& J26-204 Guarding of Capacitors! f* Z' v# i- t2 Q
26-206 Grounding of Capacitors
' e& F) w/ A2 O% ]% z5 L! x4 G. |0 R9 e26-208 Conductor Size for Capacitors
$ [3 U% b) q4 K3 S26-210 Overcurrent Protection (Appendix B) T9 | p" ?& r7 h
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
* ?3 K8 @+ ~. G. S# Z& y26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits2 O# G. ^7 z z! F0 F* S
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
" u6 t+ A( t A1 F8 s5 d; K26-218 Special Provisions for Motor Circuit Capacitors
& G0 c( l3 u. |3 F' x: S* y. z26-222 Drainage of Stored Charge of Capacitors# \- ~: J4 M+ }: J0 U( X% R0 Q5 `
Transformers7 @' e1 g! c7 s
26-240 Transformers, General8 v Y, ~) d1 Q4 H
26-242 Outdoor Transformer Installations
, [1 o$ y" X" A+ G! _26-244 Transformers, Mounted on Roofs (Appendix B)& K( p0 I3 \/ f" G* p
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
6 H/ c/ T, I6 n2 v26-248 Dry-Core, Open-Ventilated Type Transformers# M2 `+ D7 X4 ^
26-250 Disconnecting Means for Transformers
& q( K$ N7 n5 l% [5 U' ^' Q8 n26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V) i e6 n3 j O/ L; s$ b
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
& K' k% _& `( |& S- f26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
2 I) b) s- X. b) g' ~" _) l) q26-258 Conductor Size for Transformers3 y# z) x- A* k* t) A
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)9 F2 e# R* s" l( L: t! e- p
26-262 Marking of Transformers
, `) j y4 T5 z26-264 Auto-Transformers+ d! \/ D# i1 L' N
Fences
* g, K9 g m' |" O! J26-302 Clearance of Equipment - Table 33
% P+ W& V! W6 C- hPanelboards% _: } z; J0 K# _
26-400 Panelboards in Dwelling Units (Appendix B)
" N; u6 A( U- l0 `3 x+ h+ j26-402 Location of Panelboards (Appendix G)
, W* [* b1 I8 c/ c6 c2 P3 p! |% dLightning Arresters
) c' w; }* p* M* {: Z26-508 Connection of Lightning Arresters+ \2 F4 M0 V- m- O; D, D, W
Storage Batteries
3 n/ b0 i! @8 ~26-542 Special Terminology
, [7 Q0 }, p s26-550 Battery Installation
9 ]: L; p1 X/ W R0 R26-552 Wiring to Batteries
R4 I. m) s. |- JArc Lamps, _* O$ X( _! F: V: @' s5 m" f8 J0 R
26-600 Location of Arc Lamps
+ d2 u! g# \9 \. t( m$ b6 X" D26-602 Conductors to Arc Lamps1 Y! y8 C7 @# K; n, y- U
26-608 Globes and Spark Arresters) k' L% f& q. r3 V- `' x
Receptacles) e1 c% i/ V. T* c
26-700 General (Appendix B)
* c N! |" l# k26-702 Receptacles Exposed to the Weather5 P6 J( D4 e: C) {) F2 o
Receptacles in Residential Occupancies/ J& ~5 u( Y* C1 W( o! `% T* U
26-710 General (Appendices B and G)8 |0 g$ J# h7 s
26-712 Receptacles in Dwelling Units (Appendices B and G)% G" a& Z V+ \! y! O
26-714 Receptacles in Single Dwellings (Appendices B and G) { W2 F6 A# H. v
Branch Circuits in Residential Occupancies$ ^3 D1 e8 p7 [. l `. v
26-720 General
6 B3 F$ w3 p1 V* c8 w5 {7 V( ?9 O26-722 Branch Circuits in Dwelling Units
0 h0 q4 V: j$ u) a: |26-724 Branch Circuits in Single Dwellings4 U+ a, b, f w) H F( k
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)( m e+ f7 D/ R
N 26-720 (F); L: @$ H9 D3 K \
Electric Heating and Cooking Appliances' y% l" f: e6 ~1 o) `
26-744 Supply connections for Appliances
1 w2 P% f; Z" @$ A* `) g9 U26-750 Installation of Storage-Tank Water Heaters
# `! V. G5 Q8 Z1 d$ V& x K26-752 Infrared Drying Lamps
s) P# q; m5 ?% o7 b5 i2 N/ v, F+ Y
Section 28 Motors and Generators- U. [ o7 c3 U
General" [7 I& F. S7 l4 \8 {+ B, L8 x
28-010 Special Terminology
" o, g9 s1 u2 nHermetic refrigerant motor compressor
1 u6 h; B4 c; F, vLocked rotor current rating
* `8 X8 F& v' N$ _+ X+ gService Factor
, j+ L; [1 C+ {' v }Table 44; Table 45; Table-D2
$ J& J; a$ f8 c& v* u: @1 ]Wiring Methods and Conductors/ r+ v1 K; E9 E3 K
28-102 Portable Motors
. g) ^! B. d2 p28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
% W; t7 e) D2 y9 H28-106 Conductors, Individual Motors
4 j) o3 ]; G- U5 i" [$ j; D) j/ V28-108 Conductors, Two or More Motors2 }3 V/ T* E0 _
28-110 Feeder Conductors
: Y, \' ~, H ~5 v2 O* A3 a28-112 Secondary Conductors7 v% [4 ?' h4 k9 Q* J* T) n1 h" v0 y
Overcurrent Protection
% d2 C3 t( y/ A. n28-200 Branch Circuit Overcurrent Protection
/ ]4 O- q! R/ z1 C28-204 Feeder Overcurrent Protection
A2 f2 ^, o! {6 u. [28-206 Grouping of Motors on a Single Branch Circuit7 @7 W8 L: ?! x1 p3 k
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)8 Y( b( y) B- ~# @8 m% J6 k/ f
Overload and Overheating Protection
4 J7 J% l# ? t3 g) ]28-302 Types of Overload Protection
* e/ h( Q8 B4 ?3 |- ^28-304 Number and Location of Overload Devices (Appendix B) Table 25; m2 @& I1 ?1 Z- d- g! f2 O7 ^% ^: U
28-306 Rating or Trip Selection of Overload Devices (Appendix B)0 @' E1 K0 [- _6 P+ |' Z# h/ w) [) ~. }
28-308 Overload Protection Not Required" B/ J" Q. y' H! c c) [( p' h' L
Undervoltage Protection 9 g3 ~/ p7 L6 t) W
28-400 Undervoltage Protection Required for Motors (Appendix B)! P' _9 F! F( ?. e( V
Control4 R7 ]2 \2 r& S" x
28-500 Control Required8 \! H. a* n5 X- }& L- q
28-502 Control Location
* t- n: O0 T3 ]4 {0 W" X5 ?9 \3 s28-504 Starters Having Different Starting and Running Position: F, S( p# V9 H4 Q$ z. L0 E/ E
28-506 Grounded Control Circuit1 U, T0 i: {' s$ Q9 f
Disconnecting Means
3 s- t8 u% d$ D28-600 Disconnecting Means Required1 }$ z9 @& [, s m6 \/ t
28-602 Types and Ratings of disconnecting Means (Appendix B)
* g7 C, S/ l- h) j% F( _28-604 Location of Disconnecting Means. C3 W) h" b) u
Hermetic Refrigerant Motor-Compressors
& b% Z- d4 t4 ?- I/ ^ h28-706 Conductor Ampacity4 N/ e/ B2 G# A. u4 A" O
28-708 Overcurrent Protection
- {4 {; ^1 X/ T% Z, ?8 |28-714 Disconnecting Means
1 j9 i+ A$ F* B; W* U, {9 x) tProtection and Control of Generators' l5 @: A: |: k$ h( D# @
28-900 Disconnecting Means Required for Generators
4 K6 |2 \% V$ c0 S; H4 U) p28-902 Protection of Constant-Voltage Generators X) W8 ^9 p: t+ I( a, ]( D) t# K$ P
28-904 Generator Not Driven by Electricity7 l5 z* p" ]0 l& Q& \+ c. B( E
28-906 Balancer sets
- ]% g( W/ t2 v- B; `; l& [: P: D9 f6 J28-908 Three-Wire Direct-Current Generators
7 d6 G9 |7 a0 O( P2 Q/ ^+ f
$ g3 h+ ^0 F$ ^1 }' ^# RSection 30 Installation of Lighting Equipment' W D7 s# P9 o; q h
30-002 Special Terminology (Appendix B)6 O% P/ p3 s7 G4 b C! {6 K
General8 o: h4 L8 ]4 z' ~+ O0 F( `
30-102 Voltage
) ^+ A0 N" i0 \7 O, W h30-104 Protection (Appendix B)
Q/ Q1 b$ u0 p3 i+ F30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment2 i0 i+ D. ^7 V! l
30-108 Polarization of Luminaires
- }8 u' v* P/ Z- h" H30-110 Bonding of Lighting Equipment
% }6 q4 k$ H3 u' S V' bLocation of Lighting Equipment1 |5 I0 F* F( _# D
30-200 Near or Over Combustible Material" u1 x6 x6 b2 X" |; k! L
30-202 In Show Windows' E1 @% ^6 Y; d0 K# Z: M
30-204 In Clothes Closets, L! I$ U0 Z. r7 Y/ |3 U' x
Installation of Lighting Equipment% [6 e6 Z" t/ c
30-302 Support
$ f" @1 O1 C% H. s% Y0 f D30-304 Outlet Boxes to be Covered
6 l g \) C" Y4 @5 H30-308 Circuit Connections
: B5 N) z, d* g. q9 ~( |/ L30-310 Luminaire as a Raceway- `3 g$ c$ S! ~* T5 [
30-314 Minimum Height of Low Luminaires
' v- t8 w( z' ]* k30-316 Luminaires Exposed to Flying Objects
4 V5 Q$ t7 m1 \/ Y" u1 k30-320 Luminaires in Damp or Wet Locations: R+ r$ b3 Y/ Z
N 30-318
/ p9 {5 Z: k& X# u( jWiring of Lighting Equipment0 X" W0 X9 O$ F% M2 S# b- @
30-400 Wiring of Luminaires
) L; [5 E7 |( ?30-402 Colour Coding
" o; ^. P/ V8 [( e4 `2 \' m30-404 Conductor Insulation+ @0 f& f m W& g% \& c: S
30-406 Conductors on Movable Parts
% v% d! b! \- v! C" W30-408 Wiring of Ceiling Outlet Boxes
/ ^( L/ P+ n5 X30-410 Wiring of Show Window Luminaires" v+ U$ u' V; ?( m& A
30-412 Tap Connection Conductors
' c! E0 h+ R. r$ l# S0 ^; |Luminaires in buildings of Residential Occupancy
$ Y& ^; ]- |9 H9 U5 V9 F4 V30-500 Lighting Equipment at Entrances (Appendix G)" k8 N( u: H' {! B! n
30-502 Luminaires in Dwelling Units (Appendix G)
5 m$ X% t7 N& z& q0 S/ O30-504 Stairways (Appendix G). H" O. t! V! S7 x* v
30-506 Basements (Appendix G)
2 m* K. L6 s, w4 i7 `30-508 Storage Rooms (Appendix G)8 b( v, o! h) T" }3 S2 j
30-510 Garages and Carports (Appendix G)
7 f# u( r+ Q% b0 h% P1 Q" ] }- ?2 TLampholders
# p+ b. h+ a6 g& p/ B; {30-600 Lampholder rating with Incandescent Lamps
9 ~ w2 R2 `& W, A+ l0 _" bN CANCEL
+ g$ R' ~8 B+ ^- l+ H. k30-602 Connections to Lampholders
5 S$ X7 t5 o7 F# O' k8 tN 30-600
. Z4 l& u& V& Q4 x4 c6 V) [30-604 Switched Lampholders Used on Unidentified Circuits
% x- H$ L ]# \& xN 30-602
/ c, d; M" p5 ~$ r+ x30-606 Switched Lampholders with Pull-Type Mechanisms e- h9 T- a) B8 }" s+ j: R$ U9 w
N 30-604
# E" T* n, Z8 j4 z30-610 Pendant Lampholders9 X. W1 a# B# C% P F
N 30-608
; [$ d$ v& D D, \1 ` X" wElectric-Discharge Lighting Systems Operating at 1000V or Less* V/ B& w) b1 Z c/ ^5 C3 o
30-710 Control (Appendix B)
) B D) V" {& `, a4 Y: m4 B30-712 Branch Circuit Capacity" p2 V3 I; n# Y6 M
Electric-Discharge Lighting Systems Operating at More Than 1000V
; v- |) e/ |, p6 u30-802 Voltages, Dwelling Units
( G7 @" U2 ?- G% L, b" c30-804 control (Appendix B)
- o; G' s% G n1 y8 QRecessed Luminaires (Appendix G)
# k8 y* [) `/ Z! k30-902 Spacings for Non-IC Type Luminaires
+ _5 D/ N$ X" F+ U# V& N7 ~30-910 Wiring of Recessed Luminaires (Appendix B)
0 Y z8 I! b: t% {: N" A$ hExposed Wiring for Permanent Outdoor Lighting
' c+ s; T; V4 x, o" p+ j30-1120 Branch Circuit Loading and Protection4 w( y! {! b( l- m' g
Extra-Low-Voltage Lighting Systems
0 W4 A: {, e2 M2 p' d6 O5 C30-1202 Sources of Supply
7 }6 W' F0 W. I) k% ]3 D, Q9 T2 u- p% J1 m! t$ o- }
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G): b# A! I. |2 @4 C
Fire Alarm Systems
- o2 R; C8 W( ?. H3 u/ H( ]32-100 Conductors
. ~/ A$ B% e7 X z- ?9 i32-102 Wiring Method
7 y0 H, o0 f; s- W32-104 Equipment Bonding) H, c( a9 h4 r3 l+ r# r K. V" i
32-106 Electrical Supervision
7 {4 _% o" M% e% v8 a+ [* C32-108 Current Supply
5 H4 U- Z( L$ e# g* P& H: k32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G). U5 x% q% a. J6 P5 W$ K# f6 O! \
Fire Pumps
! o0 B' l w5 ^" h1 M! {$ I7 S32-208 Overcurrent Protection (Appendix B)
R+ {( c* @1 }- L4 e2 bN 32-206
3 ~; ^9 P1 v: F- O: o32-210 Overload and Overheating Protection (Appendix B)
h3 R5 ~* ` b) r5 U& `; t# g0 V/ ?32-212 Ground Fault Circuit Interrupter (Appendix B)
! l9 |9 U. w! ~% p/ B/ F" T/ i$ N m5 D5 M
Section 36 High-Voltage Installations7 L0 _5 k j$ J* [6 _
General
# O1 W5 Y& Q7 n0 _! L7 B36-000 Scope (Appendix B)8 G' Q6 a, R$ q* {& D
36-006 Warning Notices1 ^4 B7 e9 H4 P" H2 W- G$ W
Wiring Methods7 n+ |- f ]2 w$ v5 J# V
36-102 Radii of Bends- J7 `- k _+ U" T! E1 d
36-104 Shielding of thermoset insulated conductors
( j& v+ `3 j" T) C3 y3 u; i0 ^36-108 Spacing of Exposed Conductors (1) table 30, table 31, k3 d/ Y5 X/ Q8 |+ K9 u, @$ G4 x
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
. p5 u" D$ q+ i1 V: N4 u1 HControl and Protective Equipment- B1 r, I9 }1 N) @, J) P* D
36-214 Disconnecting Means& e1 c! ]( b' H- v* K
Grounding and Bonding
( |2 j. ]" p$ {36-300 Material and minimum size of grounding conductor and ground grid conductor and connections" w; F9 e' E0 D3 u& `$ L
36-302 Station Ground Electrode (Appendix B)
/ L9 E" H- c+ F& z36-304 Station Ground Resistance (Appendix B)/ P7 q8 d0 I; F- h9 ^
36-308 Connections to the Station Ground Electrode (Appendix B)3 F: z! D6 x$ |3 |1 O8 b% a) i
36-310 Gang-Operated Switch Handle Grounds
! x6 |' l; F$ s* o* j }36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations" Z& G) w3 m2 F3 P; J9 m
4 z7 J- ^/ x7 u/ |1 H. _; ]: N+ G
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment3 S A/ h* `8 `. H8 F- ]& b
38-002 Special Terminology (Appendix B)
o1 E0 o* B0 s- Z& f38-003 Voltage Limitations (Appendix B)) V3 U( S- U" _4 I# m
38-004 Live Parts Enclosed! v- G* ~2 E9 |
38-005 Working Clearances
: o S. `+ H" h- p- f& R1 H6 i5 a38-011 Insulation and Types of Conductors
4 b& o5 A( {( j3 J; k7 W38-012 Minimum Size of Conductors
1 y& E' J5 o* Q) \0 V& }3 Z1 \, w& L, `# S
Section 40 Electric Cranes and Hoists) }: a8 n6 | A) r
40-008 Disconnecting Means
! k2 N4 v# z9 z% I+ k2 X+ I# p40-010 Main Contact Conductors! N$ b: {2 O1 E+ J; F
4 j& }6 F7 j2 ?9 q8 K6 ySection 42 Electric Welders
, l- q( f2 [: g! rTransformer Arc Welders
F9 D. h$ \3 ~" J0 N& Y4 A" }) p" y42-006 Supply Conductors
# P1 g$ K# Y0 G. s( d
# G* b- t# d/ USection 44: Theatre Installations
; ]- ~" [6 J+ d( n, A1 FGeneral b* q) J2 T, Z4 x5 r; [8 ?
44-104 Number of Conductors in Raceways
6 {$ s3 S7 q1 N3 B' C44-106 Aisle Lights in Moving Picture Theatres, ~; n; A! M' u
Fixed Stage Switchboards
) \* D) [' B' k8 J* m44-210 Overcurrent Protection
0 c1 ]/ l# |! [9 y4 X- V+ A0 q' w8 fFixed Stage Equipment
/ f% _- w# P) B g( M) B G) }# F44-324 Receptacles in Gallery Pockets
+ y/ m$ F# p! @/ S' F8 q5 V; R44-326 Receptacles and Plugs9 _5 Q$ z* O/ L5 T! o6 I6 {: v
) [' F, h& L' j) J" q+ ^4 CSection 46 Emergency Systems, Unit Equipment, and Exit Signs
- u$ c b5 @ B* i4 M8 s" U" ~: qGeneral
: L1 | H4 `* M- n; h- Z7 |3 g46-102 Instructions
+ U1 K: A9 c$ k3 d. B9 L46-108 Method of Wiring (Appendices B and G)/ @# u0 S0 J; R+ I- J' Q# ~
Emergency Systems; E1 H; d! V/ N$ Q0 v
46-202 Supply (Appendix G)
* i7 {- q/ T" s8 ?( [2 Y( D46-204 Control, J+ d* e) u6 L
46-206 Overcurrent Protection! v7 r( A6 Y2 q; w# a' M* D- \7 j
46-210 Remote Lamps. U u7 y: k1 d2 N W
Unit Equipment B; g# h5 W* k2 N+ i% }
46-304 Supply Connections6 n- m) r K: `. K! Z2 Q
46-306 Remote Lamps (Appendix B)( h- M8 M& q- C* E U/ X8 k
Exit Signs
1 {! k' m# x" ^46-400 Exit Signs (Appendix B and G)
! C: \+ p f. s
1 J$ \1 g) b( d8 T! O( \Section 54 Community Antenna Distribution and Radio and Television Installations
& u1 }3 C4 T. j9 B/ v54-000 Scope
4 Y3 d$ y0 L5 _( @2 Y54-004 Community Antenna Distribution (Appendix B)7 a5 ?0 S! ]0 P' K! ~, I, o
Community Antenna distribution
) B% a3 ^/ Q* }$ E v1 J; s1 S54-100 Conductors2 [* B/ @7 G. y: k1 K
54-102 Voltage and Current Limitations (Appendix B), X8 o6 k6 C8 ~. |
Protection
, O3 F% F2 n0 k, w i9 ^2 d54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
/ g$ U$ A8 {/ h- a" a# `* ?- QGrounding
* g/ o8 w( f5 [54-300 Grounding Conductor8 D5 s" D: Q( V e0 S D
Conductors Within Buildings9 }) n5 u& d$ u' p; F
54-400 Separation from Other Conductors
7 X. h' a) I( H2 z+ @Equipment
. Y" ^. }# K& M+ e) h9 C, a/ E+ O* n& x54-500 Community Antenna Distribution Amplifiers and Other Power Sources
0 p9 n" {5 w, A! t3 S& Z* Q& U54-502 Exposed Equipment and Terminations
' \, G$ s0 W" s
- N/ ]7 g5 A0 E7 J2 n) F# GSection 56 Optical Fiber Cables
- ?# u# |. l' v. d2 w: eGeneral
" Y! ?# o9 C _4 x- E: ]56-100 Special Terminology
% x% {! V* R# q$ {56-102 Types, }! E1 T' n2 l" W# d% r! }7 v
Installation Methods
1 H7 S. G; Q8 E; p56-200 Nonconductive Optical Fiber Cables (Appendix B)
l& U" D) R) ^+ |56-202 Conductive Optical Fiber Cables (Appendix B); p' ]5 h0 M" [/ @& R$ W
56-204 Hybrid Cables
: x4 t5 ^% I" e# _56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)1 Z& `+ k& k+ U- c- J" Q
* S+ p+ s0 u4 ^7 u( L+ T" e/ z8 e
Section 60 Electrical Communication Systems
/ g" h6 s4 G/ T. gGeneral
8 t! N0 h- t+ q60-100 Special Terminology
& f+ W- G! ^* \; z: R& MProtection8 u" ?2 j% W7 o' j: H* D
60-202 Primary Protector Requirements) c3 K% c) X$ S6 m; I; d$ A7 q* J
Inside Conductors7 ^) {/ C( o5 {0 P
60-308 Separation from Other Conductors
( \! L8 Y& m, a- QEquipment& Q7 x* w' t9 y# m
60-404 Exposed Equipment and Terminations
& e$ ~8 }0 }9 [8 eUnderground Circuits) _* P3 E% R7 @# ^
60-600 Direct Buried Systems9 _6 I3 \) n/ `: A" ?. x
" T- S, P! D/ e I0 DSection 62 Fixed Electric Space and Surface Heating Systems
/ i- c& w. ]0 M, Z2 l; IGeneral
! H9 `) y. Y; b' w62-102 Special Terminology
% P- b( W. C9 q+ N/ f4 w62-108 Branch Circuits
l4 W" ~ p5 S- u) I5 n62-110 Installation of Fixtures2 q0 e. f* F' }$ S; ^7 C
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
$ N- ^' x5 L2 k62-116 Demand Factors for Service Conductors and Feeders (2)
6 v$ W2 q2 h( l& p' X62-118 Temperature Control Devices* @6 @6 u1 c& V! A
62-122 Installation of Series Heating Cable Sets (4)(7)
2 H D+ L" k: {* x2 C3 R9 @) n+ AElectric Space Heating Systems* ?$ V) Z* y, \* t4 N' L- Y
62-202 Temperature Control
8 j7 z' [0 W6 B, @- i w62-206 Proximity of Other Wiring (Appendix B)
% {) w, S S! \0 |1 |62-214 Installation of Heating Panels and Heating Panel Sets
: U$ v' N9 j) K9 T3 t/ n5 Z! H w. P$ q6 d62-218 Series Heating Cable Sets in Cement or Plaster Ceilings; N2 O+ G) b' p" }( _/ G S; @
62-226 Installation of Under-Floor Covering Heating Panel Sets* |4 ^9 x; N8 k% o
Electric Surface Heating Systems% s' P3 Y+ G+ v7 C4 u1 h/ M' p7 `
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
. F6 P/ T4 ^: d0 M: }
2 n7 H. L* p0 M; n$ \+ K* k: eSection 68 Pools, Tubs, and Spas
# G1 R6 ~9 R: y/ M, I4 H2 C9 VGeneral
" P; e* z$ n% c" [' i, p4 f4 @68-050 Special Terminology
4 x) z! S7 d1 P8 ]68-056 Underground Wiring - Table 61
4 f& ]: T8 h) Q5 h2 J68-058 Bonding to Ground (Appendix B)
4 {% c6 `% b1 T) y7 p. y% n68-060 Junction and Deck Boxes (Appendix B)
' p: S9 T! y( F68-064 Receptacles# b7 j1 u4 q! n, C! C0 o1 ^6 s
68-066 Luminaires and Lighting Equipment
" v7 V+ T3 J. V2 w4 n68-068 Ground Fault Circuit Interrupters (Appendix B). I z6 w' S# K% S; C
6 }% o5 J2 W7 V+ \
Section 70 — Electrical requirements for factory-built relocatable structures and
l8 I( z4 w; w% Z# Qnon-relocatable structures
. F% _+ H" L" B0 t X. o70-130 Tests (see Appendix B)( D Z" i( u: n. U
" C5 d; Q T; L, ^Section 76 Temporary Wiring (Appendix G)- Z, _5 P. R- V* G
76-004 Grounding3 o, p/ o7 v4 f2 H
76-008 Service Entrance Equipment
5 L. F2 Y( L+ s% R1 h; x2 @) z6 k! SN 76-0067 }. \! K& [0 }+ i: A# I$ {
76-014 Branch Circuits0 V7 a# Q# E4 K4 F
N 76-012' b. b/ Z8 P( l1 [+ w
( o" \8 b4 E- @# B( g3 e! {% l ]
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours6 W) J( D5 }/ a/ a5 x
Marinas and Yacht Clubs
3 u% Y1 ?+ \ E9 Q u78-052 Receptacles
2 v' B( a0 |2 ~1 d8 S Z78-056 Feeders and Services$ `) a" i3 b2 o. D) G
Marine Wharves, Structures, and Fishing Harbours
* Q% O" q; r1 i* F0 ^! \7 L& P3 w78-106 Grounding and Bonding
0 t* J5 J& [7 O5 V9 z$ }Tables
. u# w# D P" O( m+ j0 e4 {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 i. u6 t* T" D+ L# F8 T9 O
4 e& ]% I- N' D+ ^8 {+ b; |Diagrams: 1, 2, 7
@- C4 U$ y+ @* l
5 L! T0 p# v5 o. X7 FAppendix B
7 D- q. L$ ]: C$ }+ V3 ]/ PP352: Ground fault circuit interrupter- 6mA
: c4 e& F) T7 d. YP354: 2-126 FT1, FT4" Y6 D$ D: n$ {( b( F5 v
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
3 w* |2 V- o+ L. D' I6 eP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)2 z# F, g' a8 |1 z# d
P370: 12-1012, 1118, 1214 Example:
u& ?' p& Z/ P& C0 B8 hP371: 12-1108
8 x# j) ] k6 _5 @% LP381: 18-108(1)(b), 18-158(1)(b)
, m, K3 S; w0 H8 Q( uP386: 24-206$ D& G% [& ^4 Q' F7 D: W* c
P389: 26-256: l0 d( X7 e1 k7 e8 {# _+ h0 J: q
P391-P393: Section 28, Example to determine Motor Conductors and Protection$ p/ b1 `' g/ ]1 A: h' Y
6 s0 k8 p3 b7 } _# C6 y
Appendix D
n+ ]2 s' x* I/ xTable D1, D2, D3, D4, D5, D6, D7, D16 |
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