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Canadian Electrical Code Review Guide
1 j! I. }& `: [0 Q, JFor the Exam of Electrician For Red Seal License+ E7 u# w0 z. N
- z3 D; c: W( k, G
Lesson One
) Z1 Y: Z' w( [& W1 LSection 0 DEFINITIONS
6 U; U: x# }0 e! m8 \: q& WThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:, |) Y3 H. |/ F) @
Accessible as applied to wiring methods
, F9 ~5 J8 n! m, pAlive or live' f6 f9 v4 m4 B
Aluminum-sheathed cable0 |8 ]% O- s, w: W$ h# [9 ?
Ampacity
" A" k# U/ O4 |: `5 e0 sAuthorized person+ ^- X8 Y4 ?; L3 ?+ r( G4 q% Q
Auxiliary gutter
% ?% o3 y5 T; j% d3 _9 [6 [AWG3 v' Y, C, V0 }6 ~
Bonding
9 [/ E3 u$ o' \5 [! u5 w) \4 u, WCable tray' w7 D& W$ a9 n) h* j
Cellular floor3 E' @9 H* E) {) i1 e1 Q
Branch circuit
1 n j7 T* ^9 v/ kBus
$ Z- c E' S% C; i9 |Busway' E$ i( I( Q. s" s1 v0 L
Communication circuit) T* w8 W: e$ c9 ?
Extra-low-voltage power circuit
0 S& m; \( P% ^% D; n, ~Low-energy power circuit
) n3 k# `4 m! s* E) MMulti-wire branch circuit
* ~; O4 R& h: `: ^/ TRemote control circuit0 ^7 q5 y- N' v
Signal circuit0 p4 `" c+ o9 H4 N
Circuit breaker4 g9 V Q! j( ~. J W
Instantaneous-trip circuit breaker
4 H7 A+ Q* S4 {2 eConductor
a9 p* K$ {# H, LConduit
) w8 B# ^0 y* }* ] Flexible metal conduit
/ ~# g5 k/ V2 |+ U: |# l6 a% n Liquid-tight flexible conduit6 K6 |$ F9 ~* _, j# I
Rigid conduit
& \- W8 A: |$ F) W# v4 @ Rigid metal conduit S, ?9 d8 B- r9 V
Rigid nonmetallic conduit2 v- k# H; a# h" p9 }
Rigid PVC conduit$ z7 i& T, e6 E0 c8 m
Connector
% Q( I( Z0 ~! t3 A$ o. ~% E4 y Box connector
5 {8 }0 A1 C5 E6 d0 G Wire connector* g3 ]+ v4 G3 x [3 f9 f6 s
Controller- [5 e ~' x1 }' Y- s6 X5 v6 G
Disconnecting means: J% X! x4 r& r( r+ P) g( ~/ m
Dust-tight
/ z8 {9 k% t G( ODwelling unit
) D# F& J% x2 S6 I# rElectrical contractor" k1 @( B* H) |3 R2 J
Electrical metallic tubing
7 ~# F4 j" [0 ^- }8 n- r. `" E# MElectrical nonmetallic tubing
% @5 C. i' G8 |( x! J: u# eEmergency lighting
2 h4 Z6 q& ^* O, s$ SExplosion-proof: C: l+ ]2 D0 y) ` i3 y: p4 P7 V
Extra-low-voltage power circuit
6 M! n# q$ v! t4 e& i* VFeeder1 s2 a' V( S% ~5 b+ p
Flexible metal conduit. E8 b6 x, y. {% H# u
Ground
7 \) m+ m& g! h7 R/ ^, e+ F* uGround fault circuit interrupter
; A4 j* W. N- i- E7 x3 V" X5 S* NGrounded
, X6 G/ w1 O0 N' S. Y }' ~# U; zGrounding0 e# N& h: U* P- }
Grounding conductor
7 u/ {1 i6 O/ CGrounding electrode
/ I1 S, P+ V3 C4 @3 j: A3 `Guarded8 g0 A3 L# \1 E6 s
Hoistway
2 n# I* r' U9 K' H# J& }. yIdentified* `1 u) G! ^& }6 i% \
Lampholder P& [' U$ V9 `7 g
Low-voltage protection% S3 x- ]# j- v( R& O
Low-voltage release/ l2 I6 v# r5 w( m
Neutral' i1 @( _5 O2 z, [
Noncombustible construction
- ?1 K6 H# c: m6 ~+ c( }8 {Outlet: ~6 c# ^6 I* @9 I7 U
Outline lighting) T( f- o9 [2 H0 F* s& V/ ~9 e5 A/ y
Over current device; N! H, D& m# z" M4 |9 J
Overload device
+ A# N- E: m8 G+ N' O' {. UPanel board- R- Q- R" D6 u. w( E7 r5 o
Panelboard, enclosed7 U: \" _- E2 f* s9 f0 x1 ]
Permanently connected equipment
" c, ^- V0 |5 _" @3 r# W I0 pPermit
6 a. v" i3 @# d* }8 d, K8 x7 ]+ FPlenum
; e1 d2 o0 t4 E9 {1 z9 m* MPortable as applied to electrical equipment
; h7 Z: E/ _. f" b$ t w2 JPortable ground fault circuit interrupter8 Q/ B; k( n% v( {3 v
Power supply cord
' [8 ` L* E- E0 W6 _! v1 sRaceway
2 ^( V2 q- |/ X) x# c& v% qReceptacle
4 b# j+ x V, ?) m8 A Duplex receptacle& |1 x2 N# j5 t) k! K4 ~& j- ~
Single receptacle
: V1 G4 v6 R- @+ t/ T$ A# K Split receptacle
. l9 Z& f/ t' V9 H" i( V- DService, consumer‘s
& j. L/ g. ?6 d* KService, supply
! C$ y; m e N% S, NService box
. s, I) N6 @! Z d- h, y2 ^Service room! V( l7 \: n" ~ I6 a
Single-dwelling
: K8 q; d, f) b: q4 x- @4 dSlow-burning as applied to conductor insulation8 d( Q+ @3 o' y5 Y; l, Z/ h, o
Splitter
$ U( e/ K7 i- TStarter
( G5 `0 n2 T! }; @! _Switch
! q5 L, G/ x, D5 [% P General-use switch8 K1 O! ?. ?: |+ p$ n
Indicating switch
! q9 o9 H: p0 \; g% I Isolating switch
' Y0 @- Q+ X. ~ Motor-circuit switch
& A1 X2 P0 `; LSystem$ @# V" Q9 }1 W
Communication system
" @+ ?4 I) |) ]# J5 }4 K- s Community antenna distribution system(CATV)
! ]& g" T, \- R' \) s$ N4 F8 G Grounding system- a9 j+ a, e) a7 d9 @8 z' y6 W9 ]
Underfloor raceway
$ X& k- b; e( ~Voltage:
, X& F" O9 Q. Q( E i$ ` Extra-low voltage& a% y# p( B# C+ T' [
High voltage9 W7 k- H o: {4 k, K/ ^
Low voltage
. x' V( `* }3 g& w, _( hVoltage of a circuit
& n! g2 m$ | { g8 O5 ?; E- rVoltage-to-ground
' ^4 c \7 ` F0 t! G7 r! jWireway
. U" I( m6 {' \- \6 c0 L% {0 b
' @# V6 s; I' s# eSection 2 GENERAL RULES
$ O$ K, F9 W$ Y$ L$ R x @3 zAdministrative
; s5 Z* [2 s5 w. g& a$ D4 t3 y2-018 Reconnection2 t6 {9 W! }3 X1 E) H
2-030 Deviation or Postponement3 n& x9 \ M" O' \$ G+ t$ B' }+ u! J
Technical General
8 O C5 I- y4 E L2-106 Circuit Voltage-to-Ground – Dwelling units5 {9 }4 B& E2 A) e
2-114 Soldering Fluxes. x% @- h Z7 h! c$ j
2-116 AWG Sizes of conductors, x. }( `' t8 E7 @. V" v
2-124 Fire spread (see Appendices B and G)
" u7 N" x) @" ^& _; r! T* }% T2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)3 S# D$ D8 v" F: g. B
Protection of Persons and Property
9 a7 p v! K4 O$ S. X. {4 b0 ?4 n2-202 Guarding of Bare Live Parts4 W# _$ \% M6 V1 g6 @' s
Maintenance and Operation0 M4 B- l( X% X# K5 p
2-304 Disconnection7 Y2 v9 p- I; B9 O C3 G
2-306 Maintenance of Live Equipment
( p' d, g* \+ a9 _! }& R0 lN 2-306 Shock and flash protection (see Appendix B); p& d* D n4 L3 _+ f
2-308 Working Space About Electrical Equipment: Table-56# N5 d. [8 a# W8 S% B& l) u
2-310 Entrance to, and Exit from, Working Space1 l1 i0 \9 w$ |4 s
2-320 Drainage
# Z& n+ s( u+ N2-322 Electrical Equipment near combustible Gas Meters and other Devices. V/ u( E5 T( K0 d0 m# }9 N2 r+ U
Enclosures
/ w" H( B. B; G9 o) H% }+ |" M* U2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 6 n0 Y/ H1 t4 z4 `/ \
2-404 Marking of Motors: DP, WP, TE
: y& ?" p3 _3 N o * Z5 R6 S2 w* v" H5 @
Section 4 Conductors
H5 Z9 X5 r0 J! e* R" B# O4-000 Scope( c8 b/ h4 ]- y- L, Z
4-002 Size of Conductors: 14#, 12#
( a5 ?, f& d" R8 b* F& V$ A8 Q4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36+ n6 a* A! D1 j# \" |" I* w
4-006 Insulated Conductors: Table 19
+ r+ r; t; R, q2 `1 |2 b& Q4-010 Uses of Flexible Cord: Table 11' Z1 F/ b$ K* ^, x
4-012 Sizes of Flexible Cord
/ V0 C) m) I- |: w* }* q4-014 Ampacity of Flexible Cords: Table 12
' j* d) f- f$ a4 w9 j% @. A4-018 Equipment Wire
/ g3 Q. @3 h% s6 C2 V6 A9 i1 P( J4-020 Insulation of Neutral Conductors
; x- r) Z n( l2 ^4-022 Size of Neutral conductor
" {0 s( K% b1 F! t E t; ?4-024 Common Neutral Conductor" Z0 K, F/ Y/ B1 d; w
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum8 g4 m& n8 ]+ D: H
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum# ^: a! z1 P/ C/ ?3 Z
4-032 Identification of Type MI Neutral Conductors
0 x4 r0 ^7 R: ]) o6 Y- x6 u4-034 Use of Identified Conductors5 C- p. u$ W/ W7 I4 T$ x" M
4-036 Colour of Conductors: Phase A, B, C, …
! w5 T- f( d! y7 n# X6 r0 D0 p" \' Z; s0 m9 B
Section 6 Services and Service Equipment
- s- v7 c# s% p) ^General
( \0 h$ m7 J4 `; M: e% ~( x2 }6-102 Number of Supply Services Permitted/ Y% r! C% Y! ?8 A* O
6-104 Number of Consumer’s Services Permitted in or on a Building
& n3 F }. Z7 d6-108 Supply Service from an Electric Railway System
) |. b' Y- u: i3 w- o6 `4 s6-110 Three-wire Consumer’s Services
. D* l8 \8 _6 u7 i6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
9 n9 j! R1 `5 d6 a6-114 Methods of terminating conductors at consumer’s service
8 ^+ B3 P4 s, v; D; g6-116 Consumer’s Service Head Location! a7 t6 @' P" [) Z9 Q% m
Control and Protective Equipment
' Y4 G) ~. T, v+ ^! Y' h6-200 Service Equipment
3 N# b0 J5 y; }. D# `6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)6 _7 M- J8 }! E% C3 W- T& V* l
6-208 Consumer’s Service Conductors Location) b9 E0 y8 Y1 o/ K7 Z
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
/ i _( a2 b. V, h. G3 m: G6-212 Wiring Space in Enclosures1 H% D$ w* _2 |0 w# w
6-214 Marking of Service Boxes$ P; s9 K% M7 x$ B
Wiring Methods! m L; A8 G5 L7 K$ m0 l
6-300 Underground Consumer’s Services1 D2 Q2 S% J3 L4 _- \' D
6-302 Overhead Consumer’s Service Conductors
, b, L0 H2 K! I7 w5 t( h9 U6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable g# u, K0 s. @; R& e
6-306 Consumer’s Service Raceways
+ g6 V7 E/ N9 W9 z6 D& D6-308 Use of Bare Neutral in Consumer’s Service, I9 u2 N6 p, Q' L
6-310 Use of Joints in Consumer’s Service Neutral Conductors
0 Z3 ~+ R3 G: P& [7 Z0 O6-312 Condensation in Consumer’s Service Raceway! E/ f8 f! d7 p7 u$ f7 A. m
Metering Equipment
. h' N: v8 l" b$ C6 o) E% U; U. C6-400 Metering Equipment
' Y; E/ B+ O7 c* H# w6-402 Method of Installing Meter Loops
0 `5 d, g# d( _4 Y! |0 z6-404 Enclosures for Instrument Transformers
r; o5 z( g `- Y( G, B4 J5 a6-408 Location of Meters
4 z6 I' c5 r$ A9 e% j: m4 K/ _3 N @
Section 8 Circuit Loading and Demand Factors5 m' [) W- {, u1 |" f$ @% l4 j
General
, y5 n. J5 m* j) M- u8-100 Current Calculations
2 L# n' b* Y/ x `& C8-102 Voltage Drop ( see Appendix D)
. K0 A. \ Z) j1 y1 e2 ?8-104 Maximum Circuit Loading
8 i+ ?& d- }: F* [5 s8-108 Number of Branch Circuit Positions5 @2 ~2 p P. B7 C( E* J `# p
8-110 Determination of Areas
, a- U0 L5 u3 G7 u! l8 cServices and Feeders
# L8 o1 C$ O# d7 Y2 b! a7 e8 r# J8-200 Single Dwellings (see Appendix B)$ t- L g* G& X8 v8 ]1 \8 d
8-202 Apartment and Similar Buildings
, D! G9 o8 j) w* _7 E/ R7 W8-204 Schools ]6 b$ ]- E1 e/ N% {: i" N
8-206 Hospitals' Y8 _# v* |5 ]; E" X k1 o/ x
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
$ Y, J* Q/ C- S3 C; \; P% ]* Q8-210 Other Types of Occupancy (Table 14) n' U( b% \8 x# Z5 ?2 L9 R; j1 z" s
8-212 Special Lighting Circuits1 G$ S4 y' ?* A
Branch Circuits
4 @* U; V* u- y( @& w* y8-300 Branch Circuits Supplying Electric Ranges
8 V2 H; a; f6 c5 \3 O8-302 Connected Loads
! d8 C0 q5 y6 X8 D
# V+ i8 }- k, _" e+ `0 ?. WSection 10 Grounding and Bonding
* h9 l/ F! N6 P' U4 M: s& J4 GScope and Object7 G1 Y, `! o+ s+ e% B6 S+ L6 L6 B
10-002 Object
/ M! z+ J: U, e4 j$ h/ S$ |) }' qSystem and Circuit Grounding' T% G" D- X2 }; w8 @8 _9 l
10-102 Two-Wire Direct-Current Systems V- {) [5 W3 k7 O A
10-104 Three-Wire Direct-Current Systems
0 A3 [: \9 C6 o; m" E( n; D10-106 Alternating-Current Systems" N( X8 p6 m$ Q' X! t
10-110 Electric Crane Circuits
9 S; C2 r3 I) U- _) D10-114 Circuits of Less Than 50 V+ P/ v; m1 k# U9 r$ H
10-116 Instrument Transformer Circuits
5 o/ x+ j4 A% mGrounding Connections for Systems and Circuits/ T& X0 d! e h7 N) B
10-200 Current Over Grounding and Bonding Conductors
! n/ u, X3 J. h6 Q3 c10-204 Grounding Connections for Alternating-Current Systems) u* P" g7 R9 P- ?0 j
10-206 Grounding Connections for Isolated Systems, b: @2 P v5 h) T8 W2 k2 o
10-210 Conductor to be Grounded
7 ^9 i5 S2 ~9 p! {3 M0 Q6 z2 ^Conductor Enclosure Bonding2 e# a6 T3 o4 F3 I* ?+ l+ u
10-302 Other Conductor Enclosures
& _& f5 V, g3 o7 z" L# LN 10-304
, t' B4 l+ M6 n1 |, a6 ^Equipment Bonding
# d, J7 y$ @& R2 s5 z10-400 Fixed Equipment, General
0 P1 k8 ]! b$ \4 e10-402 Fixed Equipment, Specific (3), (4)
9 a0 `; X( N3 b# z& |10-404 In Nonmetallic Wiring Systems
& _0 V# S& N& N1 k0 z3 o8 ?10-406 Non-electrical Equipment
$ ^$ u8 u0 a5 h4 Q4 W10-408 Portable Equipment (4)(b)" ?8 q" r* o6 q) B( V$ L9 M0 D
10-410 Instrument Transformer Cases
$ B: g) }8 n: c/ f- Z3 i10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
; q+ `+ F7 ~/ `( S, V- ], H10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
X0 d3 R! w0 Q( Z2 t" u5 d zMethods of Grounding
& p3 W( p s! o3 A) p! [" F/ Z4 Q10-500 Effective grounding (see Appendix B)
* K" h4 ^9 _) i; t7 l5 E% R. t( u10-502 Common grounding conductors
9 J$ _. E @, s0 R" @7 [* v10-504 Common grounding electrodes" W8 ?- g' M- y" e. z
Bonding Methods
' `: ^% t) H% h- P' T" n0 ~+ n8 k( P10-600 Clean Surfaces
+ y, v6 J5 A6 q7 }+ g" X& h$ R/ n2 P10-604 Bonding at Service Equipment( d0 |" E( h J# @7 |% p# X/ n
10-606 Means of Assuring Continuity at Service Equipment" n7 {, X$ d+ V" @! p) r, n
10-610 Bonding at Other Than Service Equipment. }2 T" X) |+ c% F" i
10-612 Loosely Jointed Metal Raceways& \2 k# d. N6 S. Q
10-614 Bonding Jumpers Table 41
1 ^. W* u3 O# j% W/ \- i( B' gGrounding Electrodes! J9 ]# {" }3 N, W. B
10-700 Grounding Electrodes6 | S9 u0 z: K s: O I, j6 q! i
10-702 Artificial Grounding Electrodes/ z0 r* ^( d, A/ C
N 10-700 & 10-7025 t2 T! e2 Z: t, `$ Y( o
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
. Y. [$ j' J8 c. @N 10-702% G. v0 W. G3 L' ^3 }9 C/ ~: d
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding( E" d; a: S2 r7 K% D+ W
N 10-702
: \. \, {% Q1 T7 R1 x10-710 Use of Lightning Rods (Appendices B and G)
) p- Z/ i0 F3 k. L- U% XN 10-706
P* T' D f( A5 `+ z$ q3 mGrounding and Bonding Conductors8 O A% d, ]9 s3 t0 F
10-800 Continuity of Grounding and Bonding Conductors0 y* K$ N! h# J7 p9 j
10-802 Material for System Grounding Conductors0 ?+ P. a/ j: ]2 d) R- G/ `2 Z( K
10-804 Material for Bonding Conductors
! ^- B# D) A, o$ `; i/ u2 {4 W10-806 Installation of System Grounding Conductors
7 y/ o, I$ }. I; ~8 R' i6 J10-808 Installation of Equipment Bonding Conductors& R- F8 }9 {1 c4 W( }+ r& I
10-810 Grounding Conductor Size for DC Circuits
5 k# x; |- r# R2 i$ D3 M10-812 Grounding Conductor Size for AC Systems (see Appendix B)
1 Q+ u' N P+ t, i: W9 \! P10-814 Bonding Conductor Size (Appendix B)
5 R8 n# `% v3 y8 l$ {. S! a10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment0 U' _+ H5 }4 r o/ v3 E
10-818 Bonding Conductor for Outline Lighting7 X3 m8 U; y7 m2 [+ ?3 r1 q. {
10-820 Bonding Conductor Size for Instrument Transformers J* l2 _- H2 P( b1 E4 x# l
Grounding and Bonding Conductor Connections
5 {9 }, R' N% c: |% ~3 [. ]6 r$ W, x$ c10-902 Grounding Conduct Connection to Water Pipe Electrodes
$ {! ^' {, Y& w& m4 E# }10-906 Bonding conductor connection to circuits and equipment
* U( f7 E C) ^10-908 Grounding Conductor Connection to Electrodes& a1 ^6 y* H. Y% S1 V, N
Lightning Arresters
) {! R- z* z) ? ~% H10-1000 Lightning Arresters on Secondary Services – 750V or Less
. q0 [1 o; I: a" K8 _9 l& H: _+ l$ Y* b" {% Y5 W
Section 12 – Wiring Methods
* C4 m$ z4 S* J6 n! Y2 O% {9 MScope2 j8 [1 O6 U( v9 |1 m- H9 L1 A
12-000 Scope (Appendix B)4 [; l9 D. {4 R* _- {
General Requirement
- W ?1 ], b9 F3 o12-010 Wiring in Ducts and Plenum Chambers
/ }4 u/ @+ u0 |) N12-012 Underground Installations (Appendix B)
$ g4 \1 D7 y. d2 h" `7 `* T: p12-016 Lightning Rod Conductors
3 x+ q* @/ Z9 w M* g# fConductors - General/ m; N }/ ?% @% \) z
12-100 Types of Conductors (Appendix B) Table 19
1 H5 f! p8 V6 e6 a! ]12-102 Thermoplastic-Insulated Conductors
9 A4 C1 r) W- r& }. U" O" y12-104 Flame Tested Coverings
' t" d; E' w' n- T12-106 Multi- and Single- Conductor Cables- F7 D. G1 I; C
12-108 Conductors in Parallel (Appendix B)
. g Y6 Q( v* f2 J: P' o12-112 Conductor Joints and Splices% B9 d( c8 K1 e& W8 ^- C; S
12-114 Ends of insulated conductors
0 h0 U: [1 o: V* u# p7 H. q12-116 Termination of Conductors (Appendix B)
0 X! l$ {9 V" C; X' O3 x. N4 }, ~12-118 Termination and Splicing of Aluminum Conductors8 }3 k" L q3 C
12-120 Supporting of Conductors - Table 21" L" P+ } }2 r- Z% ?
Open Wiring
* T) k7 y( E2 S( z) |8 L6 H12-204 Spacing of Conductors
' {9 m( C& m" z% v) n1 N12-206 Conductor Supports8 J2 q% b# p" u2 M# a
12-208 Conductors on Flat Surfaces
9 y1 f. ]: M& s7 P3 N/ E12-212 Protection from Mechanical Injury' ~) I0 a0 Y. }8 Y* l7 E& t! A
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises+ M/ x j. P$ n) a* H( z I4 {$ E/ ]
12-308 Minimum Size of Overhead Conductors) w$ v c6 _$ L1 ]% v$ M0 S" B
12-318 Use of Neutral Supported Cables$ A4 C1 c+ ^- G% }5 T$ _
Nonmetallic Sheathed Cable
3 I* Z) J2 ~+ E+ J12-502 Maximum Voltage+ U( J7 r5 w+ |
12-510 Running of cable between Boxes and Fittings (Appendix G)
& R* N- r0 n; h( h4 `* @6 G9 \12-514 Protection on joists and rafters
. [6 ?8 B* l. G- w& R12-516 Protection for Cable in Concealed Installations (Appendix G)5 \2 ]9 _ E% q: y- I. j$ H) F
12-522 Where Outlet Boxes Are Not Required; y# G! \% D8 N. c
Armoured Cable" A! R; h& m6 U" }2 g4 l, m" L
12-602 Use (Appendix B)
/ N2 N6 k; G! e# v12-604 Protection for Armoured Cables in Lanes3 l" q4 Y' k: R/ M# `1 h
12-606 Use of Thermoplastic Covered Armoured Cable
9 b' P5 z+ c6 L! e, j( {3 K' d1 e12-608 Continuity of Armoured Cable0 z" N) c/ J8 j! O& t2 F
12-610 Terminating Armoured Cable
* K9 P0 K' T) m& E3 u12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems7 @* T3 \4 b- i# Y" f P
12-614 Radii of Bends in Armoured Cables
$ r+ d" s! V* q8 h" n7 U12-616 Concealed Armoured Cable Installation
1 w! R( O3 d$ s! d& {: y0 G! j. D12-618 Running of Cable between Boxes, Etc0 N) z4 ? W3 M* |
Mineral-Insulated and Aluminum-Sheathed Cable
' ]! o5 E; F. Q* U4 F; }- c12-702 Use
( c: w" A, V/ g+ p! l, q12-704 Use When Embedded
3 A4 |) ~, j- E7 x1 n- V12-706 Method of Supporting6 E( H" f. x5 n% R: J+ y
12-708 Direct Earth Burial2 p8 @5 k6 U* Z% @; m1 h' H
12-710 Mechanical Protection
4 r7 p" O/ y1 E/ r! n- `12-712 Radii of Bends
+ G; S7 v5 E- c1 c& g12-714 Termination of Mineral-Insulated Cable (Appendix B)3 o% J8 f7 O3 S" d
12-716 Connection to Other Forms of Wiring
' f4 c- S' ~* v9 a6 h" C0 Y5 W0 }9 NFlat Conductor Cable Type FCC
6 p6 Z# n6 R V8 a" l# Z% H; Y12-804 Use Permitted7 n1 O0 }( T0 @3 G9 A
12-806 Use Prohibited
, G* e6 S; h$ @4 T0 _( e, x12-818 Anchoring
9 O9 R% Y" ~9 W! ?0 W) u12-820 Crossings
4 r. b% m& t( `' @% cRaceways - General
1 _0 Z t4 t2 r# h9 Z6 {12-904 Conductors in Raceways8 @- r% O, k% w& _! c3 w1 L7 e7 t
12-906 Protection of Conductors at Ends of Raceways5 [5 A& v: K! ^8 i9 N2 a
12-908 Inserting Conductors in Raceways& c. V, ]1 ~' n' Z2 `* f9 Q/ h
12-910 Joints or Splices Within Raceways
, b5 d K( A( u0 Z* A* A5 o12-912 Stranding of Conductors
9 M" m- }+ Z( _& O/ a12-914 Electrical Continuity of Raceways: s9 k% W; q8 E* t
12-922 Radii of Bends in Raceways: _# V; e& @% m
N 12-922 Radii of Bends in Raceways Table 7: h' H3 r" c9 I# z
12-932 Protection for Raceways in Lanes
( ^: o' D% t( l1 L, T12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B): o9 ]. J! ^5 `; V5 H% `
12-938 Capping of Unused Raceways' B. C& E4 X$ q8 f$ a) q! Y
12-940 Maximum Number of Bends in Raceways1 U) `# D, K/ [
Rigid and Flexible Metal Conduit
+ R3 g- `* ?% m12-1002 Use% T6 M( q+ z# ?: d
12-1004 Minimum Size of Conduits
0 Z3 J: @ f6 T8 R- j, H( _$ I& l _12-1006 Conduit Threads (Appendix B)0 f% a+ ^& _( Q9 u8 X
12-1008 Thread Engagement( e P- Z: A# J. L
12-1010 Maximum Spacing of Conduit Supports2 P% S9 k& u c. W% s
12-1012 Expansion and Contraction of Conduits (Appendix B)/ e( {9 p5 C9 n6 q4 q+ T! `7 l3 q; n
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 ! F; C5 E" b7 E- I* k
Rigid PVC Conduit and Rigid HFT Conduit" C# Q0 [# l0 k* o8 \% U# E& F, `
12-1100 Use
$ }; p2 o" E& `- }2 V& I4 ]12-1102 Restrictions on Use1 _8 H( S% N) Z5 {
12-1104 Temperature Limitations (Appendix B)8 H5 U. `. ]) y" e
12-1108 Field Bends (Appendix B), (2)
- O8 p2 V& K% G4 l; d, Y12-1110 Support of Luminaires" @, C2 A$ f) J# B4 D: z7 a# Q( e$ D
12-1112 Fittings
+ D: I, K4 K% `: P$ H12-1114 Maximum Spacing of Conduit Supports- K+ `9 e; {, y1 a) U; ^
12-1116 Support of Equipment
5 e3 x4 B5 c7 J9 r# B12-1118 Expansion Joints (Appendix B example)
: l* y( s4 g4 y4 S3 \( r5 JRigid RTRC Conduit) v* B5 g7 b$ [+ q
12-1210 Temperature Limitations; _2 s; a5 E2 U9 f
12-1214 Expansion Joints (Appendix B)
7 J' r+ a9 u, j; rLiquid-Tight Flexible Conduit4 h9 R- y1 \3 p3 {* I& D5 d
12-1302 Use of Liquid-Tight Flexible Conduit
D# R6 Z5 d# L+ J4 ~12-1304 Maximum Number of Conductors
+ z! R+ w# {0 K8 G& k/ Q12-1306 Provisions for Bonding
/ B2 y! ]' X% H4 X& F9 _& OElectrical Metallic Tubing c* s! k! a' J: `/ q" j9 g
12-1402 Use1 n6 K) D8 ]4 m, ?+ x
12-1404 Supports, H$ o% I' F' e2 \- Z' ]( r
12-1406 Minimum Tubing Size- k) z' p' U5 K4 i9 Z) I
12-1408 Maximum Number of Conductors8 l( M) |5 z9 u9 Y9 D
12-1410 Connections and Couplings
" D; w* q" ]* j- Z. G12-1412 Radii of Bends in Tubing
* P1 c) E) H g0 D" l- wN Table 7
& L$ X) j3 {3 D& ZElectrical Nonmetallic Tubing5 g- q, `* f4 [9 s
12-1516 Provision for Bonding Continuity
& V! E5 x# t4 F( D. Y" \& oN 12-1514
7 G" L, M. M+ R' y ^& WSurface Raceways
& o$ c0 @' Y8 p6 A/ y% E12-1602 Use of Surface Raceway (Appendix B)7 [/ f7 T0 \. O+ _# |
12-1604 Temperature Limitations
& X8 v$ H2 N$ b E+ G12-1606 Conductors in Surface Raceways (Appendix B)
5 m/ w1 z3 N. ?5 c' R12-1608 Maximum Voltage
. }! p: ?! f9 @- X12-1610 Joints and splices
# V+ h2 C3 L8 Q2 @! t1 c$ ZUnderfloor Raceways
9 o6 ~" q' l! \' ^8 A12-1712 Discontinued Outlets in Underfloor Raceways
1 [; y9 H- n* VCellular Floors3 }1 L8 [. E8 B' E/ {0 n7 f7 w; w
12-1804 Maximum Conductor Size in Cellular Floor' E# s3 T0 p" b% Y( r9 Q8 N |
12-1820 Cellular floor discontinued outlets
6 h# S/ o2 e- \3 J' s: d' c& }Auxiliary Gutters
. e; B; w; u, u) }9 f12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
. U* H- Y3 O z- n12-1902 Auxiliary Gutter Supports4 ^; N5 ^# I7 v% r
12-1904 Auxiliary Gutter Cross-Sectional Area
2 p+ B$ o' m5 w$ sBusways and Splitters3 `' r, J$ s- i- J0 d
12-2004 AC Circuits in Busways and Splitters
2 P) l8 C0 P; Y2 C12-2006 Busway and Splitter Supports
7 |6 M/ C+ s: B, a2 ~6 m E12-2008 Method of Installation of Busways8 s8 Q1 Z+ H, f1 H" w ?6 E
12-2012 Reduction in Size of Busways
* k7 R, V, }8 u- V12-2014 Length of Busways Used as Branch Circuits* ]1 B$ K1 X+ b- Z% A7 V
12-2018 Taps in Splitters: D, l! x) S7 U$ s" K
Wireways% N g) E' p. p( n7 D& T1 o3 o0 [; r
12-2104 Conductors in Wireways. b- n. a8 O) F% P1 K I1 |( H
12-2106 Taps and Splices in Wireways% z/ N- a! F: p5 o; z; X$ V4 N
Cable Trays u) z) s) }5 R6 p: g' v5 i
12-2200 Method of Installation (Appendix B)
$ F/ d, Y9 c$ C+ Y12-2204 Joints and Splices Within Cable Trays
1 {4 K! I& }) P: y12-2208 Provisions for Bonding
& o) P3 c! B4 k2 b12-2210 Ampacities of Conductors in Cable Trays
/ O( L0 c7 k& I" ?& ?" ]0 [Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
! t8 s7 Y8 K/ O) A6 l) F12-3000 Maximum Number of Outlets Per Circuit
# l, b, L& Y) ^# A1 @N 8-304
7 A9 l& |( }' m9 m; E12-3002 Outlet Boxes (Appendix B)# d6 x8 p9 u! ]; ]5 x9 p% u' W! h
N 12-3000
6 H( c: i; O5 I* D; k# i6 e12-3004 Outlet Box Covers+ O. Q6 o( R% q! M( }( ?
N 12-3002
' y' z3 o& D6 k( H% m% R) V. e12-3010 Boxes in Concrete Construction0 R" P: i, b: x n$ w% P
N 12-3008 M& _* g$ |! X2 M; W: D. a
12-3012 Outlet Box Supports u! K6 C4 S, U
N 12-3010
4 A# f- A3 e" I2 \12-3016 Accessibility of Junction Boxes
. T8 Z M& L/ Y7 q# xN 12-3014
: c) A; F4 W$ O* t2 n2 M12-3018 Flush Boxes, cabinets, and Fittings, H4 k' Y+ i8 T0 B
N 12-30166 e/ Y9 @! V0 C9 n4 }2 |
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
$ @ R8 _3 T7 A3 y2 ]N 12-30222 {- d% s* F' z- _- t5 h
12-3036 Maximum Number of conductors in a Box - Table 23. Y: w, q' t" S2 l0 H5 Q) Y
N 12-3034) A7 f7 E3 S' a4 j* u$ U/ o
12-3038 Pull Box or Junction box Sizes
# Q2 R2 L9 v) C3 l' ]N 12-30363 `0 p* {9 F" ]1 q2 {; J+ @+ b
+ C$ P# e' X9 P3 H' u- O
Section 14 Protection and Control
6 X n7 S$ I5 q+ ?3 U7 i: D. s! u" qGeneral Requirement
8 l6 \ s# O+ [$ j! V& O2 J14-010 Protective and Control Devices Required
( o: Q+ M! V4 }& X ~14-016 Connection of Devices9 ~' P8 M) \! N) C% C
Protective Devices – General
( q( u7 S# b c- s' P5 M 14-100 Overcurrent Devices Required
. S# V7 _5 A5 T8 O8 G3 x14-102 Ground Fault Protection (Appendix B)
( {/ s: v4 p7 H" F' g9 |& H14-104 Rating of Overcurrent Devices (Appendix B) Table 13# j" }! v7 C+ `0 R0 R* k0 m8 h4 e
14-112 Overcurrent Devices in Parallel2 W8 i: t' j! j- B1 G7 `
Fuses% ~8 B9 `" t; B
14-200 Time-Delay and Low-Melting Point Fuses. d7 m; H- }- z0 l0 g! b
14-202 Use of Plug Fuses
- e" [+ A* M7 ?& {. ?14-208 Rating of Fuses; W1 p+ b: {9 Y1 O8 k8 @, p1 z9 M* V
14-212 Use of Fuses (Appendix B)
$ d3 Q L( ^& I/ XCircuit Breakers
1 R+ _- u. k% Y$ v14-300 Circuit Breakers, General4 v# i* i/ K6 @0 _
14-306 Tripping Elements for Circuit Breakers! ~: W5 a# d5 w9 g: d: h
14-308 Battery Control Power for Circuit Breakers
/ i6 l9 w! {1 CControl Devices - General! b+ X! D M5 c" Y
14-402 Disconnecting Means Required for Fused Circuits7 b5 M* V, N) @, y! A! C6 u" M! v
Control Devices - Switches
6 I8 a7 C K/ ]4 h& U+ j14-502 Mounting of knife Switches
$ D) h/ u" z! u4 z8 p% O14-504 Maximum Rating of Switches
# x+ k# [8 I t$ N! v2 x. |. i14-508 Rating of General-Use AC/DC Switches (Appendix B)
2 O0 w. k3 T2 {" A8 H14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
2 A- m& Q" m2 y, e& dSolid State Devices2 T$ o4 `9 }3 Z& o' K6 v
14-700 Restriction of Use3 u( u. F8 q7 |
14-702 Disconnecting Means Required) \8 O# q$ y$ ] `, J- X
: Y J+ d+ u( u- n. `# g& a% l
Section 16 Class 1 and Class 2 Circuits
2 s2 }: T& H6 ^& x" |General1 W' A; A$ ?$ }! [0 V* U& ]
16-004 Class 1 Extra-Low-Voltage Power Circuits
{) |5 s; q# u" C, a5 R" A16-006 Class 2 Low-Energy Power Circuits
. F# R* B. k( D: x4 L Y/ X9 |$ P16-012 Circuits in Communication Cables
. a+ c) l- R$ FClass 1 Circuits) I6 J% B; i8 r* C; j& f' z3 U
16-100 Limitation of Class 1 Circuits F* H; f$ D \' `
16-104 Overcurrent Protection of Class 1 Circuits! t; u4 {6 L7 s t' \- u
16-106 Location of Overcurrent Devices in Class 1 Circuits
) U' h8 G% R* U/ t: k2 j16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers: C' n& R' ]' G$ B3 _6 C+ O
16-110 Conductor Material and Sizes
$ I+ f$ f$ S7 ^1 B0 f16-112 Insulated Conductors for Class 1 Wiring
" }5 h- g$ U6 \% K4 s; j' VClass 2 Circuits2 [9 U& K7 d5 w: E9 i; ~! o3 F
16-200 Limitations of Class 2 Circuits (Appendix B)# e5 @. r/ Z9 i+ [* e; c0 U
16-204 Marking
8 I" ^8 E' Z& F! [1 _+ }9 U4 i16-206 Overcurrent Protection for Class 2 Circuits& M/ W# D' l; Z
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)! m& f+ u" q. B; \: G
ELC: extra-low-voltage cable
; M5 c+ L; v2 q: f: q3 J16-212 Separation of Class 2 Circuit Conductors from Other Circuits
" U% {0 a/ ~* S' F$ N' {
. L! _$ i" L, \; K' f, R0 Q8 wSection 18 Hazardous Locations& T: F U( q0 R' O
Scope and Introduction
5 n2 ~: y- j5 P" ?+ R y18-004 Classification( u# s+ P* `- S8 f, n
18-006 Division of Class I Locations (Appendices B and J)+ a2 q4 [7 t3 `0 u1 T/ N
18-008 Division of Class II Locations (Appendix B)
& ^8 }0 E- }0 C s) p# E18-010 Division of Class III Locations (Appendix B), k- A2 o1 C n
General
+ R R# w" L; m7 J$ j4 k18-062 Metal-Covered Cable (Appendix B)
5 X" |- P& v3 z9 f3 z! B) `& \0 DInstallations in Class 1, Zone 1 Location
9 }" b$ k% {0 C18-108 Sealing, Class I, Zone I (Appendix B)
# f0 \& G6 Q. ?
$ R+ h% o% m* b, I& y# Q! ~+ A+ ]$ uSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
6 W8 a3 f4 L* RGasoline Dispensing and Service Stations8 l; ~5 H! A$ F9 c& B
20-002 General2 S. ^& q1 u7 n& r. y" d
20-004 Hazardous Area (Appendix B)6 _% v! {6 S1 k& Y2 ]/ {
Propane Dispensing, Container Filling, and Storage( K/ C1 B Y6 a, J& l0 F; ]' M% g
20-034 Hazardous Areas - Table 63 l; o" a7 [3 D& G, t$ X9 ]) l: u' L) a
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
$ f1 A1 n, X7 v( B; i5 u, K20-062 Hazardous Areas# _# a. k" K" C$ s
Commercial Garages – Repairs and Storage- _) ?8 U: s- A2 E# W
20-100 Scope1 W$ s5 [" J, y: b/ h5 V
20-102 Hazardous Areas (1) - ~* C. Z) o% t! N8 C
' h) |7 m; R* y# i7 ~" w4 g: c
Section 24 Patient Care Areas: d4 g& |* D+ _4 v) t5 p
24-000 Scope (Appendix B)
5 o% i! \/ S" x; Y24-002 Special Terminology (Appendix B)& }) D; M) @, o+ A
Patient care area2 q+ [" ~' c5 `) h
Patient Care Areas
* A& I c; B# x, T P5 N8 ^24-106 Receptacles in Basic Care Areas (Appendix B)9 e& f0 {" w( L& I$ d: {$ Z. g
Isolated Systems
+ ]- C% V" ]( p6 M) @( d24-204 Single-Phase Isolated Circuits (Appendix B) L, ~5 L1 X& x/ b3 h9 o @
24-206
% M- O2 s( t( x# u0 P
+ N4 e7 e8 R5 pSection 26 Installation of Electrical Equipment
6 J7 i; x; E# NGeneral( K7 t( \, }$ y! H9 s
26-004 Equipment Over Combustible Surfaces (Appendix B)
6 n/ U6 o6 i5 ~' M26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)2 i2 c$ I3 g+ B1 _# U
Isolating Switches0 t1 M4 e z; s! o
26-100 Location of Isolating Switches7 L! k! N6 S. B6 |
Capacitors1 @& e% g2 I) L u/ l+ G9 v
26-204 Guarding of Capacitors P( {7 ~# S. r) f, f2 e+ G9 J
26-206 Grounding of Capacitors
# x2 n7 d$ k8 P( X9 e: @1 p26-208 Conductor Size for Capacitors. S: Z$ k6 c4 A, z8 {
26-210 Overcurrent Protection (Appendix B)5 \* K) R; A; {3 r* j
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits( ^6 M4 Z. ]% Y$ {9 R
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
2 f' _& Q; d P$ p26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
+ _$ J( B' h: W4 y2 _% v" V9 Y26-218 Special Provisions for Motor Circuit Capacitors+ z( J) g# k9 c a
26-222 Drainage of Stored Charge of Capacitors
8 k* t! s. E X1 UTransformers, _2 }& Y, N' H6 f+ f
26-240 Transformers, General6 {( v6 }# T9 w* _1 s
26-242 Outdoor Transformer Installations; V' w" k2 i5 u0 b# ?% F
26-244 Transformers, Mounted on Roofs (Appendix B)8 X2 {/ d3 J5 ?0 w+ r$ J* E
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)4 P+ u# }: |7 \, Z2 G: W4 Q/ J
26-248 Dry-Core, Open-Ventilated Type Transformers4 x* o* p6 T% W' u6 h
26-250 Disconnecting Means for Transformers8 y% P% Q8 {; _7 T5 r
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
5 o' r' J; ^+ k) G26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
5 I6 H5 q) {# [$ q# r26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)+ K. j! ~) o" B
26-258 Conductor Size for Transformers
8 [. Y& G G) ?- H% L26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)) s" P$ L: x1 M% F0 {
26-262 Marking of Transformers. g& m/ P Z9 d$ t: G4 L/ {
26-264 Auto-Transformers
' G3 h# P% l9 i! T+ XFences
. ]+ P1 \7 h$ F1 _4 `" b* I F# `26-302 Clearance of Equipment - Table 33! R! ~& q2 M: F
Panelboards
4 s9 H4 l0 k: n$ R. B4 A' P26-400 Panelboards in Dwelling Units (Appendix B); C5 c0 o! U5 o) Q& }9 G6 n
26-402 Location of Panelboards (Appendix G)/ B- w6 H8 ?' F% {; c9 s0 t# d
Lightning Arresters { T$ D) ]0 m) A
26-508 Connection of Lightning Arresters
8 Z* X# @ ^: g* K( BStorage Batteries
d8 p" e u! J. z1 m6 n/ g3 }26-542 Special Terminology
* w9 E ]: G2 n% Z9 E. N26-550 Battery Installation' D+ R% d* N& m$ g; D
26-552 Wiring to Batteries
z( |4 U: {% ]4 ~Arc Lamps
( s5 a4 E/ y0 o26-600 Location of Arc Lamps- D4 g2 c7 z5 G+ ~& a
26-602 Conductors to Arc Lamps
# _) Z r# R& M5 d$ ] A% b- }26-608 Globes and Spark Arresters( ]- E4 j' u T0 ~
Receptacles" c) S) c7 ?4 r8 p# u
26-700 General (Appendix B)
% m' P! [: p% V26-702 Receptacles Exposed to the Weather
9 S. g/ A) j0 T9 N, h. J8 JReceptacles in Residential Occupancies
; h) j* \/ U3 ]% O: L" ~7 e26-710 General (Appendices B and G)7 ]/ u. f. W) P: P1 H
26-712 Receptacles in Dwelling Units (Appendices B and G)$ ^5 M6 _3 u/ Z$ Z: Y9 ]8 [
26-714 Receptacles in Single Dwellings (Appendices B and G)
& g$ k4 n, l6 J3 G1 q; a0 a1 UBranch Circuits in Residential Occupancies
; U3 j: g+ {3 B# M# _1 j26-720 General
0 H# B. k+ _# c% }. b5 a; h) |26-722 Branch Circuits in Dwelling Units) b1 u/ h& f0 G$ [
26-724 Branch Circuits in Single Dwellings
$ u# W5 i% k. D, b* E26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
. x) d# I8 Q! E* w" h+ CN 26-720 (F)
L0 M% x& p9 S$ w; ~6 |( ^$ W- ]Electric Heating and Cooking Appliances4 n' T% r' \- [! z9 V- V6 B! p% q1 V
26-744 Supply connections for Appliances
8 {, H+ e M, e, l/ L26-750 Installation of Storage-Tank Water Heaters
$ O. [9 ?6 `$ A5 v7 @& E- r( }" N26-752 Infrared Drying Lamps
0 P4 g2 M; |, t) f0 g* V* s3 P9 f7 u7 G) i1 s% n9 s+ F) N
Section 28 Motors and Generators z1 ^1 z7 N, T9 Z( @7 a5 e, M+ K
General
2 `8 |$ L" z. }28-010 Special Terminology
, a3 ^7 O* |+ ^" n$ cHermetic refrigerant motor compressor
$ K" i+ l% `1 O% ^) |Locked rotor current rating% k$ G7 z5 Y) Z) Q( w
Service Factor' e# s9 D( S0 b5 q; l* I
Table 44; Table 45; Table-D27 [4 m' U& B; ^) t0 u3 O
Wiring Methods and Conductors9 r4 p; f( [+ m/ F/ L
28-102 Portable Motors# T% r9 J" Z/ W. h M# F- b
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity( }% K1 J V. R
28-106 Conductors, Individual Motors
s4 g9 o2 K0 g28-108 Conductors, Two or More Motors' t* { i6 a8 H7 m
28-110 Feeder Conductors# Y2 }. q+ i1 v4 U: B C
28-112 Secondary Conductors
; q8 r1 P( M( W9 o7 YOvercurrent Protection
0 O7 g2 p0 {. p; V4 o28-200 Branch Circuit Overcurrent Protection
& {- [' ]! O' H, N9 [7 _; k28-204 Feeder Overcurrent Protection" X1 l# @1 I2 X- k. n% f
28-206 Grouping of Motors on a Single Branch Circuit, @* q( g5 E0 y
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
0 g! ~0 k& t3 z- lOverload and Overheating Protection* w) j' r( r/ P+ z
28-302 Types of Overload Protection* d6 M( {- [" `% D c7 i: ?4 Q! L% j
28-304 Number and Location of Overload Devices (Appendix B) Table 25# n4 [" H8 ^! M% x
28-306 Rating or Trip Selection of Overload Devices (Appendix B)6 r; P# h% g7 ~: j
28-308 Overload Protection Not Required* x% v1 l! H$ N( I
Undervoltage Protection : v+ X0 E8 L* [- `- s- J2 I2 }) J# P
28-400 Undervoltage Protection Required for Motors (Appendix B)
# i, \# `) \. L$ A" k3 o' gControl
" n7 t O. L* G* N8 J28-500 Control Required! `. |' s* y: W
28-502 Control Location
# r) R# s- L' Y3 ?4 x4 P: V: }' N28-504 Starters Having Different Starting and Running Position) Q \) e6 o6 _$ i* A5 M
28-506 Grounded Control Circuit* p: n3 a- r* ~8 ]2 N7 c
Disconnecting Means
- @6 T# F# Y8 w! X3 M4 p28-600 Disconnecting Means Required
3 S; f' w4 s, s) l7 L28-602 Types and Ratings of disconnecting Means (Appendix B)
. ]/ K) h: C% r6 S0 j9 j4 ?, u28-604 Location of Disconnecting Means% r& l6 S4 d. O- f% P
Hermetic Refrigerant Motor-Compressors
. ?, b/ m5 A1 C: S# `9 @8 H7 j28-706 Conductor Ampacity$ j8 e2 Q0 C+ `+ o6 Q
28-708 Overcurrent Protection
+ Y6 u8 k- |& x5 H28-714 Disconnecting Means
% Y/ O6 i; v* B; K- Z, q: `Protection and Control of Generators
. s6 j( a/ |: c( H- U, D2 `28-900 Disconnecting Means Required for Generators
5 z3 z1 @' @; w. \; D/ {28-902 Protection of Constant-Voltage Generators
/ H! t u( X9 v, a: [2 u1 x8 c7 j& `28-904 Generator Not Driven by Electricity
( l# }: D; }( T+ ~+ j. z28-906 Balancer sets. p) } L0 F' ] x' k7 }' }/ ^
28-908 Three-Wire Direct-Current Generators
; {- p4 t: K2 y B
& }# f. k5 k& M# qSection 30 Installation of Lighting Equipment* ~, `1 z' T1 o' l7 v: D8 w9 T( k
30-002 Special Terminology (Appendix B)
- D- y5 i. y# @& fGeneral* l! m; P; h: B) W9 L1 B+ r2 g e
30-102 Voltage& ~2 g1 s; B; p K6 U% x
30-104 Protection (Appendix B), y! D0 J8 C8 j2 \$ D
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
; Q! z8 d3 T; _8 ]0 v8 R30-108 Polarization of Luminaires! a8 ^; _; c5 ?$ l- U1 B4 J& P) t. h0 M
30-110 Bonding of Lighting Equipment; }: G" U8 e k+ l) r* U; ~; c
Location of Lighting Equipment8 u7 X0 a' f( v8 Y$ N* `
30-200 Near or Over Combustible Material
z! a2 b- u# I" E9 B30-202 In Show Windows9 ?$ i# D8 S6 y& N" m" [7 ?" |9 Z
30-204 In Clothes Closets
' i( u# I1 h# w9 s4 D; m1 L( dInstallation of Lighting Equipment
* ~( I8 ^; f" }' F: k, T' `2 Y30-302 Support3 G) e- ^5 ~$ _/ O6 g, }9 n- ~
30-304 Outlet Boxes to be Covered- T* d3 p* I6 w% P+ a: K& [! N
30-308 Circuit Connections
* D7 J6 j. h4 W( F7 S6 Y30-310 Luminaire as a Raceway
% |( }) e& K7 l2 | d30-314 Minimum Height of Low Luminaires5 J6 ?+ M/ p8 C: c% A( I
30-316 Luminaires Exposed to Flying Objects7 ?' b9 `7 v- n
30-320 Luminaires in Damp or Wet Locations
' ]1 S' m7 m7 N: bN 30-318
+ t7 s7 Y/ r' v$ O* jWiring of Lighting Equipment
6 Z" e5 _; w. T+ |4 }, _30-400 Wiring of Luminaires
V# N& w8 L: H( F N9 `5 M30-402 Colour Coding
6 E2 @" `" x+ i30-404 Conductor Insulation' E/ M. M: H( V: N% v+ i; w
30-406 Conductors on Movable Parts
3 a: X. ]6 l$ ^ a/ H30-408 Wiring of Ceiling Outlet Boxes+ g; N P8 B) f2 m+ V
30-410 Wiring of Show Window Luminaires
' W1 l- b' v f- K0 e: R30-412 Tap Connection Conductors- n0 P, o0 ]. I, U# @6 t
Luminaires in buildings of Residential Occupancy
4 S0 H, R# O l% h, ?6 I2 ]30-500 Lighting Equipment at Entrances (Appendix G)
. G3 n( [0 G5 v30-502 Luminaires in Dwelling Units (Appendix G). B8 m8 H4 o2 P# {9 R% U
30-504 Stairways (Appendix G) R5 x8 c% q- G2 s4 z/ i5 B) L
30-506 Basements (Appendix G)& v- {/ M" _! x, k. [8 m) g7 F/ ~
30-508 Storage Rooms (Appendix G)
4 d N& o Y5 ?, j, A30-510 Garages and Carports (Appendix G)+ n5 a5 d5 h1 i1 _! }: H. o( R
Lampholders
! f0 }" w% Q/ P$ A30-600 Lampholder rating with Incandescent Lamps
7 s3 s& V9 J, t$ l: H1 rN CANCEL% d( G: F0 l3 [8 y1 o0 `0 S
30-602 Connections to Lampholders
& S5 [& ?4 Y' p6 JN 30-600
5 o! d7 V4 F4 S6 l30-604 Switched Lampholders Used on Unidentified Circuits
( K7 z8 C z0 A. GN 30-602
( Q! l" T, g! X; J0 y1 W8 i' g30-606 Switched Lampholders with Pull-Type Mechanisms
* k5 }# F# p0 P3 [; AN 30-604. ?( a% d. H/ Q7 ~3 L
30-610 Pendant Lampholders
- r0 Q, w! F) v! v) uN 30-608/ @" u8 N/ W6 {; B# M7 P
Electric-Discharge Lighting Systems Operating at 1000V or Less
1 y, B( J5 E6 G. U1 m2 ^1 I5 l30-710 Control (Appendix B)
, \+ s) O: D- w30-712 Branch Circuit Capacity
9 S5 l* Y; P; N0 ]" gElectric-Discharge Lighting Systems Operating at More Than 1000V
7 J- q. ]% l0 }/ M0 d. x30-802 Voltages, Dwelling Units3 c2 {$ S. C; }/ B- o
30-804 control (Appendix B)
4 D4 b& p9 ^, p& K. tRecessed Luminaires (Appendix G)/ d' U. p+ `" C- N
30-902 Spacings for Non-IC Type Luminaires
X7 u) |7 T8 ~1 \30-910 Wiring of Recessed Luminaires (Appendix B)
" p: K, W9 j' m+ P. _1 qExposed Wiring for Permanent Outdoor Lighting) x& r' S/ ?: |4 x. t; X4 q" G- d
30-1120 Branch Circuit Loading and Protection3 B& Y0 I0 m: x. {, q5 k X
Extra-Low-Voltage Lighting Systems1 b+ x+ G- n6 n" H! S& \. {7 k6 T) Y5 V
30-1202 Sources of Supply
w+ k! G: P" Q
( H2 R, A7 d, S9 V e' pSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
, a r5 @4 t/ m0 ~ LFire Alarm Systems
c$ A' y5 E) P. J3 i32-100 Conductors$ L8 Y/ ]4 y% i/ P
32-102 Wiring Method. d4 o! C5 o1 r8 F! v/ E0 Y, ^6 s: v
32-104 Equipment Bonding
- e% W7 m3 I- K6 m/ n) ?5 {32-106 Electrical Supervision
3 t% h" T4 X% y32-108 Current Supply
: F. h" t$ s, s& P& y, p32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)0 S/ [% O' p6 R/ a# y/ p
Fire Pumps" ?# E) R% _& F. S4 M n6 s8 l) G
32-208 Overcurrent Protection (Appendix B)7 W8 n/ a6 Y' t. q- F( y" x; ?
N 32-2065 D* Y- X7 H+ K! F) b" [" S
32-210 Overload and Overheating Protection (Appendix B)5 n6 O# @, {$ P' n3 M8 g6 Y: d0 s9 x; T
32-212 Ground Fault Circuit Interrupter (Appendix B)6 q8 h; @8 V+ J# l* m( }
" i, z$ U* K1 F3 D1 J# ~% b. |
Section 36 High-Voltage Installations. o) P3 f$ s8 o, f8 Z* j
General: n. u" p: [: z6 j8 K0 s7 }1 q
36-000 Scope (Appendix B)# X5 z& F$ ^: O s0 D
36-006 Warning Notices
* }5 [& e( g& d* C4 H+ yWiring Methods# N/ X/ _% v1 b) Q
36-102 Radii of Bends
% p1 M Q& _3 G2 f/ H36-104 Shielding of thermoset insulated conductors
9 F X+ g3 o4 A: Q( {" ^1 D. S36-108 Spacing of Exposed Conductors (1) table 30, table 31 s& v0 M1 q- A3 W/ b' N
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
- @3 r: B( r2 O5 b" \* Y: O; aControl and Protective Equipment
! X$ w& N3 R R1 j- \36-214 Disconnecting Means
' A* K7 E* [3 f8 \ Grounding and Bonding- {7 T0 A$ ?! v
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections; M9 i- a/ v" v/ }' D
36-302 Station Ground Electrode (Appendix B)8 v& u" I( ?, @+ G8 T! X1 J3 a
36-304 Station Ground Resistance (Appendix B)2 V$ A7 `% u) ~) m; Z- W$ D
36-308 Connections to the Station Ground Electrode (Appendix B)
* \! v* q$ k7 h1 r' i9 t36-310 Gang-Operated Switch Handle Grounds& k+ y1 w% P$ a+ _* u
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations6 z4 \$ V: n9 @
; k' j! @% G6 K' ]$ `5 [5 ?Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
" x. T* _$ g' h- ~3 y" p6 d38-002 Special Terminology (Appendix B)
4 h0 y! r4 X- I38-003 Voltage Limitations (Appendix B)- D" a$ i! c5 j1 i! O( c6 c
38-004 Live Parts Enclosed
) B7 a7 R5 m, [38-005 Working Clearances
0 Z; v9 v- ?! [38-011 Insulation and Types of Conductors/ `2 ]! b2 C+ q( ]2 h
38-012 Minimum Size of Conductors3 _: }5 \6 P9 A& j) @
% L g) _5 i+ n* R. G/ ~6 aSection 40 Electric Cranes and Hoists
1 L' z( m( h; g7 _" {3 v40-008 Disconnecting Means) m: X( @+ I" l9 B6 R. R
40-010 Main Contact Conductors r# C+ j2 y. y8 _5 D/ |
+ G! Y$ t& r- P' h3 @4 I, `( q
Section 42 Electric Welders
8 ~. B( l$ n( {4 h+ ]: n- K( [" _Transformer Arc Welders+ R" G1 `( s" `3 {
42-006 Supply Conductors
4 p8 [1 i2 U# K1 V
3 I" O# p' S) r' x2 MSection 44: Theatre Installations
4 X i3 ]! d6 Y( ?- @General* _" Q6 f; X& A; B9 p2 c
44-104 Number of Conductors in Raceways
4 k9 ]1 r5 B% {' c8 D6 o44-106 Aisle Lights in Moving Picture Theatres6 Q/ v2 e; K* {) n( y
Fixed Stage Switchboards1 H% ^7 v) R$ Y! K
44-210 Overcurrent Protection' ~5 D" W) `7 F1 @4 J+ ^
Fixed Stage Equipment' l" o+ w8 S8 q! ^/ B$ @
44-324 Receptacles in Gallery Pockets3 _& O" j6 {" ~0 q# w
44-326 Receptacles and Plugs8 k) K( w# S1 O3 Z, L
/ e9 f6 o2 ~! h1 W- qSection 46 Emergency Systems, Unit Equipment, and Exit Signs2 d/ h! Q: x3 N- ~
General
* s# _# u: V* V( O! [46-102 Instructions8 ?% s7 [0 ?1 G! K* k* v; d9 q4 ?6 ?
46-108 Method of Wiring (Appendices B and G)# n( g P3 a3 K
Emergency Systems% Z# `' B0 W$ `, c- V0 l6 t; u6 b
46-202 Supply (Appendix G)1 [3 D4 u7 j2 R$ @5 n
46-204 Control& e% ^" |7 {7 u# i B8 U
46-206 Overcurrent Protection
6 E. i' N1 g- r! X$ r46-210 Remote Lamps
; v" [6 L( a& X/ z; {6 i9 MUnit Equipment5 m0 R) x* z# f& k$ w
46-304 Supply Connections" U7 A8 x8 R4 N: P& z
46-306 Remote Lamps (Appendix B)
/ r( g. k4 A# G4 C" s! m% r5 F9 JExit Signs
" v+ ?) {; J$ n9 A46-400 Exit Signs (Appendix B and G)- m7 [( ?, a7 w( g
% T0 `( |$ ^7 b" `9 W8 tSection 54 Community Antenna Distribution and Radio and Television Installations# ?7 h( g Y6 z6 u9 ?
54-000 Scope
- _4 ?! s; i. `* b54-004 Community Antenna Distribution (Appendix B)! v+ c9 s4 l, y% d5 F
Community Antenna distribution1 v. l5 @% z- |4 |/ s! u( W
54-100 Conductors# H* j7 [% B, Y W, G2 q8 ?/ D
54-102 Voltage and Current Limitations (Appendix B)5 T: [+ j" C* V3 `* l+ k2 u
Protection) Z, L' J9 f/ J5 n L
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)8 e& M, f* f0 w9 I; H
Grounding
) l. j- l! ^/ J r: ]* v8 t6 W54-300 Grounding Conductor6 f7 g0 Y# c( |1 p& E0 P4 a- E" d
Conductors Within Buildings, w9 d% u; z- ^5 { V, J& _
54-400 Separation from Other Conductors
* m3 z( Q, I. O- \) e# EEquipment2 {0 q7 E/ R: q# G/ g' R' _; l
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
) O, r: D7 ]/ u, h7 h54-502 Exposed Equipment and Terminations
) `9 S/ B$ Q/ z9 H( c
) p' H( x t! q- M2 dSection 56 Optical Fiber Cables
7 ~ p( o, A& u! Q5 r; Q" yGeneral
0 O- H# ^( J- @" Y0 O56-100 Special Terminology
m6 A5 a9 x) F. _56-102 Types
/ I% r) q" S0 u$ j( Q5 Z2 `7 B/ QInstallation Methods
8 y7 @( d- q' ]9 C2 U2 N+ M56-200 Nonconductive Optical Fiber Cables (Appendix B)
- \6 c1 D p% B- v! g" G% @. y: E) J56-202 Conductive Optical Fiber Cables (Appendix B) m4 b2 [% e+ P, n
56-204 Hybrid Cables
. J) F' P9 L& k0 Z# N56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
( Z4 J0 s1 K, k7 O( n' k7 u- L _! o
Section 60 Electrical Communication Systems
4 J F8 m; ~ o9 gGeneral9 `) V: k* y% n2 F' f* B" R
60-100 Special Terminology9 E" L) |+ z3 M+ e1 i, q% ?
Protection7 w% Y0 R5 B! h( s- l8 _
60-202 Primary Protector Requirements
' D/ o: \0 c4 g7 G7 m( X- HInside Conductors0 b# @4 ?: P) Q+ k) x
60-308 Separation from Other Conductors
& H# l! m/ ]% ~8 U' P" GEquipment
* h9 W5 j) J4 W2 a60-404 Exposed Equipment and Terminations- Y5 i& d4 J4 Y* ^8 Y; ^! f
Underground Circuits: ~8 V" v v3 C+ r+ v& F8 W
60-600 Direct Buried Systems- {) ]) |: w/ e( d) j2 M5 A! A+ u
8 k+ B0 q2 w/ V. U# v& \# |1 I0 qSection 62 Fixed Electric Space and Surface Heating Systems
0 m. Q2 [' ~% x+ E% O2 LGeneral5 s: f* U+ m. S+ ]; r' \
62-102 Special Terminology
: _1 C' Z, h9 G62-108 Branch Circuits6 e3 A8 s) J" E: K3 A5 F; J9 b! d
62-110 Installation of Fixtures1 ~0 z9 e4 y3 F3 O
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
; t& B2 T1 n+ `9 I$ W62-116 Demand Factors for Service Conductors and Feeders (2)
: K0 Q U( p% R3 o; b: |62-118 Temperature Control Devices7 k3 G X' ~3 n
62-122 Installation of Series Heating Cable Sets (4)(7)+ s$ v0 [# C O, ]
Electric Space Heating Systems
; D, s% e: h) n, {' t3 F62-202 Temperature Control0 s1 J0 m. e/ r8 H
62-206 Proximity of Other Wiring (Appendix B)
5 J/ `. X- d, Z" b62-214 Installation of Heating Panels and Heating Panel Sets
4 O' n3 U2 ~* D N$ l6 Z62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
+ c- K k- R2 `% J- z62-226 Installation of Under-Floor Covering Heating Panel Sets
7 u7 j z4 F+ k/ M% n8 |Electric Surface Heating Systems- d4 J9 `& K, T5 L+ z [
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
; s" A9 w) H% L' w
9 ~7 K$ H' p# e! X O* cSection 68 Pools, Tubs, and Spas
; a) v* S/ N+ x8 L7 OGeneral
( C7 v% K: _' h8 N C( W, x9 ~68-050 Special Terminology
/ Z6 N0 T5 c1 ^$ | X. R68-056 Underground Wiring - Table 61
! l ?1 N: l% {! O+ |, |* D68-058 Bonding to Ground (Appendix B)! k! L( }; K% Q! o4 e. }* Y$ a
68-060 Junction and Deck Boxes (Appendix B)
/ u0 h, n) g8 D5 ]. c68-064 Receptacles
0 c. ~# }* X* E) o68-066 Luminaires and Lighting Equipment* I2 W5 y j3 b$ `$ S1 T
68-068 Ground Fault Circuit Interrupters (Appendix B)& ]+ y5 h5 T* R. z; u D3 S3 Z
6 {% a8 ^$ @) L3 b
Section 70 — Electrical requirements for factory-built relocatable structures and
% Z5 M. W! m( ynon-relocatable structures
4 ~4 N. X( J( n% E: K70-130 Tests (see Appendix B)% q* Z; @- P6 O9 r! L+ Z
7 P( P. j5 H9 n
Section 76 Temporary Wiring (Appendix G)' N# U3 v ^1 \' h
76-004 Grounding/ A) Y- I/ B2 l2 s- P
76-008 Service Entrance Equipment
& i1 L/ y | ]/ P. L, yN 76-006
, I9 m' Q+ g# |& V: v76-014 Branch Circuits- d1 O! V) _: N! e5 O7 a
N 76-012" |/ W3 r3 {4 y* |( U
! w1 [6 A$ m4 W- H; T7 e, W+ n- B. w
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours b& \/ F' x- c# h8 S
Marinas and Yacht Clubs! j& s* e! n" T8 X. w' C
78-052 Receptacles0 ?1 z5 h, t+ L! P5 q7 O/ r1 R
78-056 Feeders and Services0 c0 Q" [+ f$ ~# H: V3 Y: r
Marine Wharves, Structures, and Fishing Harbours
+ Z# v1 h6 o7 _4 f78-106 Grounding and Bonding
: c, x4 `: d/ U) j* F C4 k5 c: GTables
# |( N! w* }- u' M0 \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
3 \6 `. @2 Z+ B1 E' C
* ]; D7 a; I3 r/ sDiagrams: 1, 2, 75 W0 }. @4 P+ _4 A, T/ g
2 R0 D( D, j/ d% z" a
Appendix B0 G1 u4 e; n9 y- N9 |
P352: Ground fault circuit interrupter- 6mA
6 K: G2 Z. f8 Y; F3 Z( T7 ?" QP354: 2-126 FT1, FT4
% ^2 }& D% M* h6 ^P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)5 _" ~! Y# c3 C4 V) Z
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
& m: Q4 x4 P- Z; OP370: 12-1012, 1118, 1214 Example:6 N& W- `+ f" A6 X' R: j2 E
P371: 12-1108
( c* A7 `# f& T3 T% l- E. t: [P381: 18-108(1)(b), 18-158(1)(b)9 B5 ~- p6 @# k4 q0 q# I' I
P386: 24-2067 W- n) a* H" V3 d! ^
P389: 26-256; `) d) k8 z* }
P391-P393: Section 28, Example to determine Motor Conductors and Protection. R# o! [( t& E7 t2 u' D4 C3 \
. q _, }, G+ k7 ?& a. xAppendix D$ x) |5 D, @" x+ I5 n
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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