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Canadian Electrical Code Review Guide
& ^' `; p' ~9 t& Y# @" p. K' SFor the Exam of Electrician For Red Seal License. W6 W* q3 D" C8 f$ }7 d
: N" ^. E, ]6 S& k! Z0 Q/ k- N$ o+ Y
Lesson One0 E" o* [5 l) c
Section 0 DEFINITIONS% D! \! r9 y6 G; L- E( q5 t# E/ e0 k
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
- k) A( F5 F% X8 n( YAccessible as applied to wiring methods
8 V) ?* R" ?3 r* ?5 n& d$ C; uAlive or live4 `3 f8 {9 O# x6 T9 w) u! l
Aluminum-sheathed cable, L V# z6 \6 N5 M
Ampacity! b! W* n: C) L
Authorized person
$ @" p% y# f9 H7 |Auxiliary gutter
$ b8 ?* t& v, C6 b/ D+ KAWG6 |6 x- }$ C$ ?
Bonding
# S( Z" N O. g/ T) @5 W6 W9 L, k! oCable tray
, l' D1 @% d4 e* o2 b( U% A% ~% wCellular floor
7 v& l2 S9 V8 z1 d& C6 IBranch circuit
+ C/ ^/ t, G# L% K5 eBus
6 s0 v+ G) Q! r. C) c3 y- g* lBusway& \* q# U4 C, E1 E
Communication circuit8 K( Q3 ?5 Z: n; k6 B" Y
Extra-low-voltage power circuit
1 q A9 j! i- J0 M* c+ | y, D) _Low-energy power circuit
V6 u! J$ [: z9 ?% `1 \0 OMulti-wire branch circuit
1 |6 y, O6 o: O" G: cRemote control circuit
$ S) t4 T$ K9 I; I9 V: OSignal circuit
( J! V r9 ^% ?1 n# vCircuit breaker
: l- H+ B- u2 ~: ` Y; [, A/ O' T5 nInstantaneous-trip circuit breaker
5 J2 W- D& P k i( |$ X; VConductor
* S, Q) n; i, ?& lConduit9 B4 l7 X' ?! p, i' C1 L
Flexible metal conduit
- g# x6 P) A8 d1 I& R Liquid-tight flexible conduit
. p& \0 C( d- I) I4 @" h Rigid conduit
* a8 R/ O z1 U% G! ? Rigid metal conduit
) E" H' F/ d- x- f: A Rigid nonmetallic conduit% H* |4 }0 a3 F) Y
Rigid PVC conduit, ~1 h$ Q, T) L! R0 V
Connector
1 p; {* p H( L Box connector- O% o7 o2 N/ f
Wire connector+ b1 `/ K5 L8 W
Controller
) V- q2 H8 h' Z# N GDisconnecting means
1 }7 J' W: \/ ]4 `5 BDust-tight( w( _) z- a2 h5 f
Dwelling unit
% y% v7 Y @& w( F5 L/ sElectrical contractor
! R+ l. a+ J) ~# t3 NElectrical metallic tubing# M! \0 `& F9 q# d' z
Electrical nonmetallic tubing
& Q5 Q, j0 X7 ]Emergency lighting* ~3 O* T' H# i' e1 `: |
Explosion-proof
- i! l. i- n9 b& z E0 g5 ]Extra-low-voltage power circuit
/ K |. R6 I4 [0 [* t2 OFeeder
K( I6 a& l j6 E' r( [+ ?; HFlexible metal conduit: k/ Z: Y3 b) Q/ j) N/ ^2 r
Ground* x" g7 F+ O6 U! u3 y. {
Ground fault circuit interrupter) P/ A! X' y9 P+ I) h8 n
Grounded
; Q1 i N% r6 OGrounding
2 A. {, x) [ T) S0 NGrounding conductor
5 |0 P2 i- y4 aGrounding electrode. R. \# m. b. |& z2 q
Guarded
$ w. w2 _- m' b; aHoistway
! G+ R$ v* z5 \* dIdentified
, h: E( E1 f& b3 ~; X$ N0 HLampholder; K5 ]5 Q a, A3 s& u/ Q
Low-voltage protection
8 a5 y1 C% e1 M0 c" GLow-voltage release. V4 o2 N8 I/ z: w& i% Z% m& h
Neutral
' @+ A- M* Q; p( \/ G0 a3 G& d1 FNoncombustible construction
( Q& X9 R! H3 ^6 T" vOutlet1 {+ ^" a8 q2 L$ _
Outline lighting# i( h" Y/ m9 K6 A4 f
Over current device6 F/ r# n7 q. W6 w. V
Overload device q* Y; t+ Q, f* L" Z8 ]8 @; f% g
Panel board6 f! v5 X8 Y: t. ?+ z. N
Panelboard, enclosed
+ c' o7 V/ n4 I) v9 ]Permanently connected equipment. h; E5 }! v9 \, _; y
Permit
2 w6 W9 m. e" G9 {, |8 \) B/ qPlenum
3 _! K- i+ O; P% ]6 rPortable as applied to electrical equipment$ L& t( S# k$ J0 x4 o
Portable ground fault circuit interrupter* N& z) R9 m9 I' C0 r) `$ u
Power supply cord
$ P$ p6 o5 l1 _/ U2 }Raceway. N" B# ]4 b v' q" E' ?
Receptacle8 b1 \( J0 C4 R6 I! T' {- F
Duplex receptacle% c& e4 ?1 h: ]0 G* r8 W: M3 w
Single receptacle
7 y+ i+ Y, S1 z" B: y5 E Split receptacle
8 ]) |% f9 h0 v0 wService, consumer‘s
) G. v7 h( q2 e; V6 PService, supply/ R- _7 e' T2 Q
Service box# C% W, J( x( v' i: F; |
Service room
$ U. Z: d$ K- b* ^5 K. h, _Single-dwelling
& t" G4 B1 Q& K9 I. u7 e S" qSlow-burning as applied to conductor insulation
. ?2 v/ h) o5 T; U- i0 _4 o, nSplitter0 w5 q7 b$ }" U% h( H/ b
Starter
+ G9 v+ C/ v2 w! R; V3 x$ s- iSwitch
Y/ a- v; ~; S- R/ [4 _- i) p& s General-use switch( j8 A3 |; s; \' c' c
Indicating switch( h9 ~; H5 y6 |" P2 [$ v! v4 t
Isolating switch0 ?+ D8 k. J4 a$ V7 o
Motor-circuit switch, _% O( |; `8 N4 @+ s4 c
System
# g% d+ X3 h; j+ v$ [1 |( R/ Q5 o Communication system( |: o5 q, }/ `6 w: F7 e
Community antenna distribution system(CATV)) I" E& d5 k; e/ z' X
Grounding system
# s, J% A- y& ^Underfloor raceway) B& n5 n0 m6 u% J1 \* [- o
Voltage:
$ [- N# \/ P! f& G Extra-low voltage
% m* t1 q2 q+ D. Z1 x. [$ V7 | High voltage3 t, k% f! G J1 _9 e
Low voltage9 K1 Z- a) [5 S2 X: P! q
Voltage of a circuit8 Q) F5 ]9 v% O
Voltage-to-ground$ h8 z& S! U# \2 J7 {; b, Y4 c9 o
Wireway
' K% L+ h3 Y7 B8 k" h5 u: z |4 T
Section 2 GENERAL RULES0 r9 Z( p% ^2 Q8 X# g
Administrative
1 j! }( @! S! G, S/ _2-018 Reconnection* n! y) c# [+ a( m' w/ A
2-030 Deviation or Postponement
7 f {$ Q g$ C8 A# ~Technical General9 _% E$ p9 F [2 E
2-106 Circuit Voltage-to-Ground – Dwelling units* p9 @: @: V* ?/ C) h3 Q7 q
2-114 Soldering Fluxes
, \. g. \8 ^/ p2-116 AWG Sizes of conductors
+ b/ K2 |6 o9 o2-124 Fire spread (see Appendices B and G)9 C8 ?5 P4 V" u1 [# f7 m
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
& D+ `: p2 a/ l1 ~7 ^Protection of Persons and Property* y, o: b, o, \) ?; ` B. D
2-202 Guarding of Bare Live Parts) J4 F, A, ?4 U/ f! W9 N
Maintenance and Operation. W w- j# W0 t1 s; D$ r
2-304 Disconnection) t8 V1 Q8 I( T0 ?1 d
2-306 Maintenance of Live Equipment
9 F' P7 l4 G3 X! a: M+ o' [N 2-306 Shock and flash protection (see Appendix B): ?9 P) Z; s; ?& _. l- s
2-308 Working Space About Electrical Equipment: Table-56* q C) o( _" Z4 D) F9 x
2-310 Entrance to, and Exit from, Working Space) E0 D- S5 Y9 D
2-320 Drainage1 f' @( b8 j, C& ~& f! [& Z6 b
2-322 Electrical Equipment near combustible Gas Meters and other Devices5 E) e. {: f$ s: V
Enclosures. _% m/ Z' o* _( d
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 8 I( n5 D7 |8 W
2-404 Marking of Motors: DP, WP, TE
: a' ~1 h8 ^5 i
# j* E! k/ D" f5 _% z: HSection 4 Conductors
3 s! o( h, z+ k: j! _2 G4-000 Scope
5 \! S7 r b4 R% Z+ j4-002 Size of Conductors: 14#, 12#( t! V K( d9 n, ^# y( M6 Y
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36% C: G! c6 M! L0 y- v. P! m
4-006 Insulated Conductors: Table 19
( m+ T: H- r6 g6 A! X7 f; W8 c4-010 Uses of Flexible Cord: Table 11
1 X" J- l" i" f* l" f2 D$ `4-012 Sizes of Flexible Cord1 {2 _ C+ X$ {7 _. r
4-014 Ampacity of Flexible Cords: Table 129 I6 P7 \6 V6 n' c' x
4-018 Equipment Wire
7 k3 x$ h+ _* d t0 h4-020 Insulation of Neutral Conductors
3 N, T3 o* R. l4-022 Size of Neutral conductor
$ C% B0 u% ]! B4-024 Common Neutral Conductor7 f3 u* q' [9 T4 H ?
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum1 H; t" n V9 I& a* F4 l4 _# N
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum& }6 {7 P1 i' T
4-032 Identification of Type MI Neutral Conductors
# a; F3 o" S" @2 H% H4-034 Use of Identified Conductors/ s% q: _. j7 x: n3 }/ m$ e$ T
4-036 Colour of Conductors: Phase A, B, C, …2 d3 t6 B; d, E4 [1 a1 |
+ I# c/ L l6 T- ~$ [; D9 ]Section 6 Services and Service Equipment+ P) U0 T. P; B! i; R& ]& P' r; N
General: D/ }1 G+ A2 X
6-102 Number of Supply Services Permitted
( H) w. h7 ~' J# F/ f! v6-104 Number of Consumer’s Services Permitted in or on a Building
! L- I7 x1 d, A6-108 Supply Service from an Electric Railway System
7 T$ D: G t* ^0 B9 {9 a* K6-110 Three-wire Consumer’s Services
& h) W8 y# P9 w4 l, }6 v6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors( s( E% R* n" R* \3 m# t; z8 W. ^: |
6-114 Methods of terminating conductors at consumer’s service
* P# Z! P, y$ o6 R, x6-116 Consumer’s Service Head Location
9 s9 U. q! U7 F: _Control and Protective Equipment6 L- `3 n/ ?0 G$ n9 B
6-200 Service Equipment0 L- V9 U8 Z8 L6 ]5 }) z+ H1 i
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
, W7 `+ {. n, u' G6-208 Consumer’s Service Conductors Location. q1 r* F, \& \; z5 I# S2 g
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches8 O9 `1 u3 p( k
6-212 Wiring Space in Enclosures4 A, K7 Y; W y+ [6 E9 G5 a6 V& e# h
6-214 Marking of Service Boxes
9 ]" U. P8 D0 z$ T* ZWiring Methods
# F( q0 ?4 v, G9 h6-300 Underground Consumer’s Services
! b* ~% U% m7 r% E/ A6-302 Overhead Consumer’s Service Conductors8 ~& v' G8 o9 k; L0 d3 Q
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
|+ h7 i4 q G$ m# x6-306 Consumer’s Service Raceways8 W2 C, B6 z$ v4 N O Q7 v
6-308 Use of Bare Neutral in Consumer’s Service
9 A7 X, k/ A9 j7 x0 I6-310 Use of Joints in Consumer’s Service Neutral Conductors$ X6 F! q/ h5 }! G
6-312 Condensation in Consumer’s Service Raceway h2 u! V# b$ }, w
Metering Equipment
/ E- o$ g3 T( B( y2 B w6-400 Metering Equipment, ~/ f1 ? `% M# A+ j
6-402 Method of Installing Meter Loops
" r; `0 I# l$ D- N6-404 Enclosures for Instrument Transformers
% D t+ V" L" n' w6-408 Location of Meters
) h. v' F/ @1 U6 L( r% k$ i) A$ R5 O" h
Section 8 Circuit Loading and Demand Factors
& g E1 ^8 L, VGeneral+ D3 p1 N4 ^8 L8 t) F
8-100 Current Calculations
- g4 w% k- r' n- I/ s- c8-102 Voltage Drop ( see Appendix D)- A; n( @: g: ~5 g" w+ z+ y+ s
8-104 Maximum Circuit Loading
$ H2 _! A, N2 f, s; Z8-108 Number of Branch Circuit Positions
4 J6 I8 C ]2 X3 J7 ]8-110 Determination of Areas. H1 S+ p: u6 m( p" B* j5 z B( u
Services and Feeders/ p7 A( m Q, C& p" @
8-200 Single Dwellings (see Appendix B)+ f: `, y7 h2 c4 r7 K5 S
8-202 Apartment and Similar Buildings' c* X; y9 I2 W' e; G
8-204 Schools, ~/ \) {* U. b- G* g
8-206 Hospitals
v/ ]# f6 N3 q( K( u8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy4 g5 r( m, ]) G& V. R: K0 Z, K
8-210 Other Types of Occupancy (Table 14)
, h2 O; T# i! a- @9 B) K+ B% n$ k8-212 Special Lighting Circuits
4 ^3 O/ [6 R Z9 p5 L/ jBranch Circuits/ M5 D9 p) A% A. F! _8 |+ z
8-300 Branch Circuits Supplying Electric Ranges
* g! @# _0 f7 K. q9 Q, H8-302 Connected Loads# ^- M& k$ A* t" X6 s
; ]. x* y- V* }0 ^0 M; x
Section 10 Grounding and Bonding$ ?( j |" Q/ p
Scope and Object& p& m+ ]( v- V4 U5 D9 l% f' a5 g
10-002 Object& o: \- Z; I l/ p3 Q9 a) q0 i
System and Circuit Grounding. ?2 C; |* L' s) @# W6 a
10-102 Two-Wire Direct-Current Systems
& p: O# {- j, m/ o- ~) C10-104 Three-Wire Direct-Current Systems4 s2 J+ N5 x( B4 v$ F6 E5 \1 \, o
10-106 Alternating-Current Systems' m* t, o* B( ?9 k) n' l, z
10-110 Electric Crane Circuits) K& k& g! h2 b! R
10-114 Circuits of Less Than 50 V
7 [/ l& r3 H9 k4 y' r10-116 Instrument Transformer Circuits5 {9 [5 X% U0 I9 n, L5 z
Grounding Connections for Systems and Circuits
7 S: a; o0 u* Y4 ^+ j# x+ z10-200 Current Over Grounding and Bonding Conductors: y5 P/ x; U8 T
10-204 Grounding Connections for Alternating-Current Systems
/ |+ S$ n- Y' w- U* c10-206 Grounding Connections for Isolated Systems
# N" e- Y6 I% Q$ J: | k10-210 Conductor to be Grounded
: y3 S& c2 H' ]Conductor Enclosure Bonding
4 v/ ?' G9 ?, p% C, Y10-302 Other Conductor Enclosures4 {9 H/ n+ o$ }$ Y( ?5 H
N 10-304
! ]$ m+ h& g* }* s! D! LEquipment Bonding
% B- a5 L. S- }8 @$ N9 ]: k10-400 Fixed Equipment, General1 a0 S C$ j, y4 |8 R8 i
10-402 Fixed Equipment, Specific (3), (4)
) { }; G# B: {) q10-404 In Nonmetallic Wiring Systems
" v9 [' w6 g7 Z: p8 b10-406 Non-electrical Equipment
2 K8 x+ z6 e) \0 @% u' ]' K10-408 Portable Equipment (4)(b)
4 R" S$ P( y1 k5 s& x8 k5 `7 W10-410 Instrument Transformer Cases7 |0 |: M1 a! T0 u. K
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
/ G7 B5 }; H5 k( s7 M7 o10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
3 w) g, u: b& T2 D0 f1 VMethods of Grounding
8 c- A! ~# f- |! N10-500 Effective grounding (see Appendix B)
+ O `. O3 H) v9 G) a2 g10-502 Common grounding conductors" |* z/ w" f, C: O* b/ w( I9 W
10-504 Common grounding electrodes M1 D* S2 M% D- S$ d% D
Bonding Methods
, b, Q. X% ?8 h2 L! i' R10-600 Clean Surfaces) _( z# Y5 Q/ I8 _: r/ x
10-604 Bonding at Service Equipment
; F" ~* o; w% C5 k4 ^( R( Z10-606 Means of Assuring Continuity at Service Equipment+ Z# f# k/ r# Y8 ?& |7 E
10-610 Bonding at Other Than Service Equipment
6 G4 G! J6 G+ L4 C" x* n10-612 Loosely Jointed Metal Raceways3 G! o& O! i2 C% e0 i4 m
10-614 Bonding Jumpers Table 41
# B/ ?- q% u. m. WGrounding Electrodes
) y D1 J* r6 f; ^10-700 Grounding Electrodes
/ z/ a% S/ h L" a10-702 Artificial Grounding Electrodes
" i6 g0 o( |: n9 m9 y4 ]( X: BN 10-700 & 10-702- W! R5 g! J9 A. }, o) i
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
! x; E" j5 k) aN 10-702% R9 v; N( J! F" V- b% u) y" a, y
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding( z; ^% n9 R5 k+ Y
N 10-702: z. w4 w; q3 J, S: g- ]
10-710 Use of Lightning Rods (Appendices B and G)4 ~7 M! X. w1 p$ X! Y
N 10-706
6 D D. a1 [: Q" g" k. {' jGrounding and Bonding Conductors
, t4 J1 u/ Z. l4 |10-800 Continuity of Grounding and Bonding Conductors% g: X9 J' K% \ F/ O$ @, W
10-802 Material for System Grounding Conductors# p4 o0 ?( F# s: x6 M" e
10-804 Material for Bonding Conductors. L( b/ m5 D+ f3 ]
10-806 Installation of System Grounding Conductors: D7 F& K. a7 b5 c; m+ _8 F& v: z
10-808 Installation of Equipment Bonding Conductors4 P8 f$ \' }5 ]5 x
10-810 Grounding Conductor Size for DC Circuits
, v# n' \( R% g! g' b/ M10-812 Grounding Conductor Size for AC Systems (see Appendix B)2 S6 Z$ ]. H5 M# ?
10-814 Bonding Conductor Size (Appendix B)
- F+ r+ d1 G5 q10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment2 e- `/ d7 ]' o6 M7 L9 G1 e# Z
10-818 Bonding Conductor for Outline Lighting
% c5 d9 Z3 U: R% Z, v7 b+ A' }10-820 Bonding Conductor Size for Instrument Transformers" o1 g, d/ P" t ^0 E8 ^& S
Grounding and Bonding Conductor Connections
1 M9 E* U# j$ g- E* M10-902 Grounding Conduct Connection to Water Pipe Electrodes* b: Q# e# H( R0 B P/ W
10-906 Bonding conductor connection to circuits and equipment
" J9 w6 X9 \# X10-908 Grounding Conductor Connection to Electrodes2 I2 y: r; I$ ^( H% G
Lightning Arresters* z0 r) a0 {( |5 R: c' z! R
10-1000 Lightning Arresters on Secondary Services – 750V or Less
* i1 T& I" c: a5 U: y. `6 k9 }* P% f" i& D( ^6 G& v
Section 12 – Wiring Methods" H5 Y# l/ h0 b# J1 i% m
Scope! ?8 X9 T1 i5 o7 P
12-000 Scope (Appendix B)
$ Y P. i8 H2 j5 i# A& [, {0 m, ?4 GGeneral Requirement
' W4 q2 U% t* g12-010 Wiring in Ducts and Plenum Chambers. o F. s3 q; ~, h
12-012 Underground Installations (Appendix B)
; Q( I9 k; v! Q6 r12-016 Lightning Rod Conductors
# f/ Q$ K0 `; j6 TConductors - General4 `" d* U; \+ }
12-100 Types of Conductors (Appendix B) Table 19
# u. c% t7 D; ^% O5 l12-102 Thermoplastic-Insulated Conductors9 x! x1 b5 q, l4 Q& P7 r4 {# B
12-104 Flame Tested Coverings
6 m3 e/ }& U {12-106 Multi- and Single- Conductor Cables
& Z( E- S% @% E: P! P12-108 Conductors in Parallel (Appendix B)
% [* m7 j; w/ {12-112 Conductor Joints and Splices( V( e% x' r7 V* `7 u8 C
12-114 Ends of insulated conductors
/ V; L6 ]. O0 s! u12-116 Termination of Conductors (Appendix B)5 A+ \: j. z7 z6 K6 b6 {
12-118 Termination and Splicing of Aluminum Conductors
& f( x; P0 v9 F ?2 E1 G9 \: {12-120 Supporting of Conductors - Table 21 I% [! a* w8 T3 k
Open Wiring
' C+ T5 p0 x( D: Y$ j1 c12-204 Spacing of Conductors' D/ a3 r( T# H
12-206 Conductor Supports
1 v2 X- h1 K3 Y0 w12-208 Conductors on Flat Surfaces& J7 c1 ]5 o& U, o/ @( T
12-212 Protection from Mechanical Injury
, z7 ~( O7 }0 cExposed Wiring on Exteriors of buildings and between Buildings on the same Premises% \5 K4 X% E5 m& h1 W; ~( Y* i( v f
12-308 Minimum Size of Overhead Conductors
5 S# s4 a2 y3 O12-318 Use of Neutral Supported Cables* t6 ]( F1 J4 E& b+ J3 N
Nonmetallic Sheathed Cable# F7 @. e' c% g7 _. H# e9 j
12-502 Maximum Voltage8 V/ w% }" n* F6 e; q4 q7 r1 T' L
12-510 Running of cable between Boxes and Fittings (Appendix G)# D2 f2 i2 @8 c
12-514 Protection on joists and rafters
5 }. ], g( `+ Q7 Q7 ?5 C+ l7 t# P( L12-516 Protection for Cable in Concealed Installations (Appendix G)
8 P- a: U* x! u$ w% e$ Z5 @5 K12-522 Where Outlet Boxes Are Not Required
# N* `# l5 f! l* H6 N+ yArmoured Cable
8 d, n1 A) {% l, T9 _3 I12-602 Use (Appendix B)
l P( ]5 a% O5 I5 X" |- M- ~12-604 Protection for Armoured Cables in Lanes& y6 `& X# W5 X4 q, A
12-606 Use of Thermoplastic Covered Armoured Cable1 E2 u; C t4 i, N0 ?! q
12-608 Continuity of Armoured Cable7 R/ K# ~6 z" K+ z9 ~# T
12-610 Terminating Armoured Cable
0 n& m, V( `, [5 j4 P! I12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
0 p$ S" L8 H# E% i9 g% R12-614 Radii of Bends in Armoured Cables: l# O; y; b2 f, J0 \1 d
12-616 Concealed Armoured Cable Installation
: G& |+ o1 D& ~6 e* i1 P0 Y12-618 Running of Cable between Boxes, Etc" ^$ o5 F2 N! O: P! e
Mineral-Insulated and Aluminum-Sheathed Cable6 O* v# d3 F2 j: W3 D
12-702 Use
$ ]7 z( n% i/ s0 P2 {% f12-704 Use When Embedded3 h$ [3 }9 E) w& Z# n' V% v2 o
12-706 Method of Supporting
# L6 L8 B8 E+ ?& s9 l; h12-708 Direct Earth Burial
! i# v6 w1 r$ O8 u1 _* l1 t, U12-710 Mechanical Protection0 _% G1 v2 o$ r3 R& }
12-712 Radii of Bends# f# }8 h1 a: z& a0 Z; P
12-714 Termination of Mineral-Insulated Cable (Appendix B)
1 G% v) f- g4 d d- d3 r! ~12-716 Connection to Other Forms of Wiring
. H9 B: b% S4 l& u1 DFlat Conductor Cable Type FCC
# H) o q b6 }% b3 d12-804 Use Permitted
( i9 k4 v# s) g5 _# U12-806 Use Prohibited( ?$ `0 ? E" E. x% l
12-818 Anchoring1 o" f/ w$ N) r! `4 Y" |
12-820 Crossings
% S5 A1 a- A$ @/ v9 v+ G* U" @Raceways - General
- }; y6 V( ? k R1 M( H5 c2 o0 X12-904 Conductors in Raceways; Y* H7 `& b/ q
12-906 Protection of Conductors at Ends of Raceways+ p$ N* Z0 N2 V- |* P
12-908 Inserting Conductors in Raceways
8 k K' S$ L: d# D$ r y1 K12-910 Joints or Splices Within Raceways
& m4 r( U( c6 a8 M" F! T12-912 Stranding of Conductors2 y; y( T) \6 T* D2 H6 a% l3 {
12-914 Electrical Continuity of Raceways: a7 C6 H1 f0 n5 I" o
12-922 Radii of Bends in Raceways
" j0 V/ Q8 R: Y" P: r) bN 12-922 Radii of Bends in Raceways Table 7: P5 M N: e' o' @+ p/ b
12-932 Protection for Raceways in Lanes h# A- Z) `! J" ?8 l1 t0 m
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
7 S. v5 O- W5 g5 ~12-938 Capping of Unused Raceways
1 L8 v8 \0 D$ w) o2 Y& U2 ^12-940 Maximum Number of Bends in Raceways
& ^& K0 F" \$ fRigid and Flexible Metal Conduit
. ]. v$ i# M/ z7 N. E12-1002 Use
& U9 K( V9 A* s5 x: a' r2 |( W5 D12-1004 Minimum Size of Conduits7 J6 r8 I" _) b* N
12-1006 Conduit Threads (Appendix B)6 g" P; S! d. j; g5 u
12-1008 Thread Engagement. W' n1 a1 ~4 v- k* m" a; |# {
12-1010 Maximum Spacing of Conduit Supports
! }' n: }& L' m7 y8 i, _5 ]2 |4 s12-1012 Expansion and Contraction of Conduits (Appendix B)
9 D( H" X6 e" N; h5 Z( o$ {# ?$ \" ]% l12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 1 O; f5 }/ j7 v4 K
Rigid PVC Conduit and Rigid HFT Conduit# K6 S' o# G3 T& @' [
12-1100 Use
( Y2 [9 W( T6 k: \- J12-1102 Restrictions on Use
5 I7 m c' @; o1 Y4 @- b12-1104 Temperature Limitations (Appendix B)
5 V: y) W7 K5 E/ H' n: c12-1108 Field Bends (Appendix B), (2)9 c+ T x% t, q+ a
12-1110 Support of Luminaires
* h" h% G6 N( Z+ y, X12-1112 Fittings
/ B! g1 \2 z) S- `! r2 o! V12-1114 Maximum Spacing of Conduit Supports
0 u; }2 G- b4 j; H8 T+ e12-1116 Support of Equipment
$ h" x4 R% ^, j. q; R9 S12-1118 Expansion Joints (Appendix B example)4 f. n( w ?& g* s F
Rigid RTRC Conduit/ J6 n/ }( p y7 D, a
12-1210 Temperature Limitations% u. X( q. ]+ k( Q
12-1214 Expansion Joints (Appendix B)4 l" r: K8 O" T$ v" \, r: F
Liquid-Tight Flexible Conduit( {7 j# o3 [$ p) |
12-1302 Use of Liquid-Tight Flexible Conduit1 n% Z! J' K F& v; o
12-1304 Maximum Number of Conductors; N" X( e3 e& I3 V0 b$ r1 i" o
12-1306 Provisions for Bonding
" {% x. f/ E+ {6 u" ?Electrical Metallic Tubing. P% ^1 [! k# r* ?
12-1402 Use
! m$ I# D2 P* \7 d12-1404 Supports
! h3 X7 p1 M' y3 H! O12-1406 Minimum Tubing Size
% ]+ l) p2 N# k- n12-1408 Maximum Number of Conductors; v- ?" D G* ] l
12-1410 Connections and Couplings) \8 r5 B8 k# H. K9 `$ M# m
12-1412 Radii of Bends in Tubing/ |6 S: B1 H/ @" E: F
N Table 7
3 [# F2 \6 k N4 w- s3 LElectrical Nonmetallic Tubing' p9 y4 U( t% z
12-1516 Provision for Bonding Continuity
# k1 d( j* u9 j0 ~+ S/ RN 12-1514$ B2 b" ]+ o% c8 g; L' N
Surface Raceways
( a7 T) e, Y3 j- h+ K- w12-1602 Use of Surface Raceway (Appendix B) |1 a: o, a8 x8 V1 t
12-1604 Temperature Limitations
- m7 \/ n3 r. C/ k' _2 I; c12-1606 Conductors in Surface Raceways (Appendix B)% B5 f- c( Z. P2 q
12-1608 Maximum Voltage% f# _' w5 p7 a0 H/ m: S! z
12-1610 Joints and splices
2 d' |6 M+ u! [8 k7 zUnderfloor Raceways
) c7 k) z2 i/ i8 R! g12-1712 Discontinued Outlets in Underfloor Raceways7 W/ x, L0 @) S3 s# C
Cellular Floors
/ @, m5 m" F/ Q9 F3 F5 V12-1804 Maximum Conductor Size in Cellular Floor5 x. l" p& K5 u! |/ j
12-1820 Cellular floor discontinued outlets
+ T# ?2 @4 Z* @' K" u+ h- _Auxiliary Gutters
% \$ m# U0 ]$ A: g6 m. H12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
' i& b5 f4 {4 u; A/ T12-1902 Auxiliary Gutter Supports; Q( C' z7 z9 ?
12-1904 Auxiliary Gutter Cross-Sectional Area" m& k- c E) v& k
Busways and Splitters% _- v2 F; j) g/ Z
12-2004 AC Circuits in Busways and Splitters
. k4 G1 z z: l8 c& N" ]6 a' ^7 I/ S12-2006 Busway and Splitter Supports& y5 r: {( [" A/ K4 o$ Q
12-2008 Method of Installation of Busways
6 t3 f9 o% n0 `, w& V: E- u4 L2 {12-2012 Reduction in Size of Busways( e& r' d5 X- P0 A) v& H2 Z% g
12-2014 Length of Busways Used as Branch Circuits
{8 e; s8 c6 k. v12-2018 Taps in Splitters
: a! y7 b! B: e! x4 x/ H7 BWireways
# k$ r* h5 [! T6 g12-2104 Conductors in Wireways
' B9 a! D( x! y7 y12-2106 Taps and Splices in Wireways" ^ }2 q, \2 N: A. V
Cable Trays/ l* q- }8 q6 u+ r; B
12-2200 Method of Installation (Appendix B)
1 _8 E9 {0 P/ F/ `0 {! U/ W8 g12-2204 Joints and Splices Within Cable Trays
" r7 \) F4 E# _6 e' G12-2208 Provisions for Bonding
% i* Y r3 R( X* @6 X, E12-2210 Ampacities of Conductors in Cable Trays
) T$ A3 {, Y2 ~6 `; [# W+ qInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
v6 [+ I" g1 I" x5 r D& j R12-3000 Maximum Number of Outlets Per Circuit
" S- i( f5 e' D2 x" \( dN 8-304
6 ]( Q6 D( J) G12-3002 Outlet Boxes (Appendix B)
6 q/ t$ i8 h: A- A' ?; e7 jN 12-3000& ~8 X! K: B/ N' l: L9 V- p
12-3004 Outlet Box Covers/ ?, K8 ~% E7 } }0 \
N 12-3002
* f' W% i9 w& E12-3010 Boxes in Concrete Construction
' \% g' y7 C! r: LN 12-3008
/ p' X Z. G( }12-3012 Outlet Box Supports
, H3 s0 t* w; k0 L, J( VN 12-3010) L G. u [( z+ m0 g2 O6 c5 B
12-3016 Accessibility of Junction Boxes! ?$ H( D. i& A3 e# r
N 12-3014
1 O0 |! E) k5 s* A8 Z$ v7 x" P12-3018 Flush Boxes, cabinets, and Fittings# C! [' b" G p+ \6 \" v2 `: {# p
N 12-3016: s0 h. @: f, P5 |" G
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
: A7 _; A5 V k4 B* p: ?2 ~N 12-3022
L! j8 K: R( H5 I12-3036 Maximum Number of conductors in a Box - Table 230 a/ d) |, O" p# d# H( m" B5 P
N 12-3034
. j- @5 T0 G$ e N12-3038 Pull Box or Junction box Sizes
9 [: X' c" U. x1 n7 D5 MN 12-3036& h. F5 E7 x4 G
/ j/ @, K! t( N8 q% `3 ASection 14 Protection and Control$ j' z' P3 b# M5 n ?0 S$ |
General Requirement
! h+ d; Z% ^! [2 R" z14-010 Protective and Control Devices Required& f) l9 r! s# H& w" F6 B
14-016 Connection of Devices
& }+ t, e) C, J3 M+ U. ]1 t Protective Devices – General
0 e3 |, k D0 `! T. n" s 14-100 Overcurrent Devices Required# {# K7 j' m7 ]* \
14-102 Ground Fault Protection (Appendix B), e! \0 d, S5 F, d- V" I; c
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
$ m! ~( L. b9 X: c( H: X14-112 Overcurrent Devices in Parallel
* Z; x5 Q. E* s$ d; A7 }Fuses; v) T9 @) G6 }2 U2 Z5 b
14-200 Time-Delay and Low-Melting Point Fuses' e1 T5 A/ i( T8 f, h9 P! @
14-202 Use of Plug Fuses7 P- p: k j' f- \) R6 t, A* C4 [
14-208 Rating of Fuses; t: J7 p. c5 `' c0 \. S7 n7 Y
14-212 Use of Fuses (Appendix B)
7 l: W' u. t0 RCircuit Breakers
7 x. k$ @- f8 g. q/ _14-300 Circuit Breakers, General. B& X& G- _( s" f2 U3 Y
14-306 Tripping Elements for Circuit Breakers
0 {. \1 e% z6 `8 ^( D14-308 Battery Control Power for Circuit Breakers! H$ f% o. P6 Z: w3 j& Q
Control Devices - General
3 z9 @$ d: ^( m- }& M9 \14-402 Disconnecting Means Required for Fused Circuits' {, }' @3 M! [( e+ a
Control Devices - Switches
6 i+ ^0 p- k3 z, x: a- W3 X14-502 Mounting of knife Switches( M2 Q$ ?+ N x1 ~3 _2 |
14-504 Maximum Rating of Switches
% w( ~& P7 h6 _8 e14-508 Rating of General-Use AC/DC Switches (Appendix B)# H9 ]& m' h/ R: Q
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
, C7 V, @* b2 q" D0 x$ YSolid State Devices
: c2 @4 o! l7 Y7 D, f( j14-700 Restriction of Use
' h- D; Q6 v7 i/ m14-702 Disconnecting Means Required
; w6 |: l5 r! ]3 k" O
$ U% D+ D6 u( n6 X. ]Section 16 Class 1 and Class 2 Circuits& h) x- A5 K7 I7 \5 x
General/ G, G4 T9 D! Q: y5 @; j s
16-004 Class 1 Extra-Low-Voltage Power Circuits
& M0 [- i- D1 n e16-006 Class 2 Low-Energy Power Circuits
: h$ W% B9 }: \' o16-012 Circuits in Communication Cables
. h/ D. u. t$ ?0 ZClass 1 Circuits
- I. y& B; a& _16-100 Limitation of Class 1 Circuits! U7 {3 u+ r4 k9 i6 ]6 N
16-104 Overcurrent Protection of Class 1 Circuits) [( K9 ^# m# _3 d% z' y
16-106 Location of Overcurrent Devices in Class 1 Circuits! `0 v/ ]! l# W
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
5 p% e% Q7 A9 [6 X16-110 Conductor Material and Sizes6 U G; A% Q2 X- f0 _7 O
16-112 Insulated Conductors for Class 1 Wiring
+ O; I% ~5 W, n' qClass 2 Circuits
7 e" P, R7 j2 o- V9 I0 Q4 e16-200 Limitations of Class 2 Circuits (Appendix B)
, x" y* _- c$ L% y16-204 Marking7 V8 ~8 Z' ]) I8 M3 o- k9 T( t+ {" j o- G
16-206 Overcurrent Protection for Class 2 Circuits
% u8 }5 d c- {5 h! U8 T7 R: D16-210 Conductors for Class 2 Circuit Wiring (Appendix B)! ?5 N! ^3 }& s7 g9 m- O
ELC: extra-low-voltage cable+ q5 W# P0 o) l( G9 F7 P
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
4 k; A- N9 b1 l) O% W. i. @. ]" t4 }' k. U
Section 18 Hazardous Locations
3 h8 z! }6 ^; T6 Q1 iScope and Introduction( k4 S6 W: J7 j( K2 i& I. n
18-004 Classification$ K* H! F- H& a1 Z
18-006 Division of Class I Locations (Appendices B and J)5 A/ k# j. C o' I
18-008 Division of Class II Locations (Appendix B)! _ ?" [; c6 s" \: b$ j
18-010 Division of Class III Locations (Appendix B)
4 f0 T2 t; b# _General6 _9 l- d1 q, `* g3 J
18-062 Metal-Covered Cable (Appendix B)
! A* a# g2 v* O% i' r _Installations in Class 1, Zone 1 Location6 M2 w1 K& q5 R- F6 A
18-108 Sealing, Class I, Zone I (Appendix B)
* B9 x/ W' R {) }. Q9 T% l
6 a+ k6 V9 N8 A V' i) P+ fSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars/ ?3 Y6 W; U; l4 z% c# H" c
Gasoline Dispensing and Service Stations" z+ X, u0 G [; h
20-002 General
/ g1 G/ k) i" F3 `/ u20-004 Hazardous Area (Appendix B)
$ q! ~- ]' O3 \Propane Dispensing, Container Filling, and Storage
+ H4 v/ k/ k; u/ A20-034 Hazardous Areas - Table 63
' X6 @8 L! Q, v- I; SCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities1 V9 t' V+ ?" W
20-062 Hazardous Areas* _- v6 {* l) B9 }: g3 Z' X! W
Commercial Garages – Repairs and Storage
( g E9 @# T8 \' s20-100 Scope; i# h) _: f* R" h6 P/ L! M
20-102 Hazardous Areas (1)
6 v" |" Y X3 U# |4 R& h/ ?1 V7 x' b8 I5 X5 y' O) A A% }, Z" r
Section 24 Patient Care Areas
7 S, ^% u, J7 A H0 V4 K24-000 Scope (Appendix B)
P3 G1 h/ e4 H24-002 Special Terminology (Appendix B)
- O3 m" q$ I" i8 @ Patient care area
4 J0 h7 b: z6 FPatient Care Areas
0 _, k2 v" F1 P9 |+ g24-106 Receptacles in Basic Care Areas (Appendix B)
3 l% i- t+ q. o1 f& b6 }7 P0 I+ RIsolated Systems+ `' z% x1 A; r4 z/ U
24-204 Single-Phase Isolated Circuits (Appendix B)# R# P h! H; |3 D' \$ W
24-206
! T+ J' X% h# |
5 O% r! L/ m' n' F& i) D. LSection 26 Installation of Electrical Equipment U- F1 w' G t# i/ t
General% K3 ~ f8 ~7 S* X
26-004 Equipment Over Combustible Surfaces (Appendix B)
5 P a+ e/ E6 B26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
4 R* I D" S" t5 l* q Isolating Switches
' L- W/ |* c" P+ c; \ u26-100 Location of Isolating Switches
3 U) u0 f7 g0 ^, |+ mCapacitors
, Y8 \& Y4 y$ S: q6 p( o26-204 Guarding of Capacitors
3 i$ ~) P' l4 s% z3 a+ f2 M26-206 Grounding of Capacitors
3 F- ]' h* z* W" o6 n26-208 Conductor Size for Capacitors
& F$ J5 u) {/ T" d J26-210 Overcurrent Protection (Appendix B)
' ~# c5 L. G4 q) k& N ?26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits, n$ A J5 Y$ I/ w& |: J
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits7 H: Q2 h; ?/ V* O+ A7 Q
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits' @2 I |+ ~7 L, A% g! e
26-218 Special Provisions for Motor Circuit Capacitors
7 H- ? f1 c# M5 A* X& c. Y26-222 Drainage of Stored Charge of Capacitors
0 v+ G3 Z# h/ J( k; j: f+ g4 Z oTransformers
# Y, M' h2 _9 E( D! b$ U26-240 Transformers, General
/ k. ~7 S. }9 v26-242 Outdoor Transformer Installations: N0 ]0 u4 b- A& {$ U5 O
26-244 Transformers, Mounted on Roofs (Appendix B)
- N/ N# |& d; M. m26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
7 C/ C4 f. F' h7 P26-248 Dry-Core, Open-Ventilated Type Transformers! n; t% N* d, i: Z/ ?
26-250 Disconnecting Means for Transformers" i O6 T" @3 d" v' v: ]
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
, q" ~2 f/ @2 k* t8 `26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers _: i5 L" ^% o: k
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B) G( T* L+ Z( I+ e2 o4 ]3 K
26-258 Conductor Size for Transformers2 [# X4 c9 G* M! U* @
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)& ^5 Q) m! X3 f! K4 ?! }9 Z1 E
26-262 Marking of Transformers
; O: n, E3 B% A' N' t u26-264 Auto-Transformers
$ o6 e$ Y. w. ?6 t. C- i, UFences: }$ O- Q( j' E; L2 `! T5 O
26-302 Clearance of Equipment - Table 33
6 v1 C0 f/ g- Q6 \Panelboards; J. }# ?. J5 r6 c- V- K0 O
26-400 Panelboards in Dwelling Units (Appendix B)
* f% S! o4 S: f. ^26-402 Location of Panelboards (Appendix G)" y) d/ p, J. M: d: M# c8 C
Lightning Arresters& W8 O: s( g( W, k9 f! E
26-508 Connection of Lightning Arresters7 E7 s* ^1 ]$ P/ p5 F' n
Storage Batteries
' P/ b! G; I" m8 {' u26-542 Special Terminology
! K6 W3 z; U( n26-550 Battery Installation
6 o. H7 J4 O: x( v* f- Q( u# y2 D7 C' z26-552 Wiring to Batteries: x0 I% h0 q: y/ [3 q# _7 U5 ?/ A3 l
Arc Lamps5 `& Y% O& {6 |( C6 m! @
26-600 Location of Arc Lamps* k3 [3 {) a9 G1 K& L) C9 J
26-602 Conductors to Arc Lamps& N; t7 M5 d4 S, W4 s
26-608 Globes and Spark Arresters: H- |( b2 h+ H# X
Receptacles
- C; g! @) e8 p5 m4 p1 X5 K26-700 General (Appendix B)
^$ L2 e0 B3 x26-702 Receptacles Exposed to the Weather
1 ]% J s! V8 f" l9 JReceptacles in Residential Occupancies
/ m% X9 x/ t* i1 ~$ h' z26-710 General (Appendices B and G)0 {( |( R( c5 ?1 f4 Z
26-712 Receptacles in Dwelling Units (Appendices B and G)
- D5 M3 g1 J$ x3 f26-714 Receptacles in Single Dwellings (Appendices B and G)7 q3 p) r# s- x0 D
Branch Circuits in Residential Occupancies, I R3 K: A) @ ~0 x' B
26-720 General+ M$ q3 A L" S) @" g' e# D3 s
26-722 Branch Circuits in Dwelling Units/ b! m. [& ]4 E$ l9 G$ A( u4 [
26-724 Branch Circuits in Single Dwellings* W2 X4 \, K& ^9 z! W& H1 H3 m
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
' h% s8 X( w/ T4 u# L7 \# ON 26-720 (F); ^! \4 |* o$ B0 T% f* V1 z7 j9 l
Electric Heating and Cooking Appliances3 ?) j7 F* Q8 |# ]2 p) C; D7 t
26-744 Supply connections for Appliances
% r/ k: U& m$ V26-750 Installation of Storage-Tank Water Heaters
$ W9 `4 T, y* A* q7 S7 g3 m26-752 Infrared Drying Lamps
' O0 M6 q3 V7 F+ o1 e$ ]
- d6 Z. x+ w; s7 t( d' c9 CSection 28 Motors and Generators+ j0 |: i5 ~ p
General3 @# T$ _! M% \% ~# b$ Q
28-010 Special Terminology+ c; P7 |9 }/ B& X& O
Hermetic refrigerant motor compressor
2 g: l& b _3 @8 G$ j+ v! CLocked rotor current rating
2 g; x! [" v! E- ]Service Factor# | S2 T3 f2 l9 o# T' }! v
Table 44; Table 45; Table-D2
# o3 X7 b5 }- P4 L& |$ ?2 K7 \Wiring Methods and Conductors7 o+ `/ y9 e5 f+ }& ^
28-102 Portable Motors
, X( X4 q: ?) k28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
2 \! L8 i6 x# B* h3 X# X" _/ y28-106 Conductors, Individual Motors a* P- L# b9 j
28-108 Conductors, Two or More Motors
- ` T( r4 V; \6 ?( {28-110 Feeder Conductors$ @ g, p p* u$ J
28-112 Secondary Conductors
2 \* R: S( X9 T3 e6 wOvercurrent Protection
/ g3 {" w/ H1 W. d# w; Y28-200 Branch Circuit Overcurrent Protection
# L! t. H* m& W o% `28-204 Feeder Overcurrent Protection$ R" u$ @) M) C! Q0 C% w/ B5 b
28-206 Grouping of Motors on a Single Branch Circuit5 w5 U! i, `, K G- P
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
( y8 d( i+ h* O9 gOverload and Overheating Protection- S9 ?9 |" I0 Z$ i
28-302 Types of Overload Protection# _5 Z; q/ N, }! Q6 O; s" M5 y& b4 V
28-304 Number and Location of Overload Devices (Appendix B) Table 25+ b3 E1 d* |1 a1 J' z- s
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
; k7 {0 d1 t/ \- o6 @2 w28-308 Overload Protection Not Required/ O; J5 b% @0 `! s7 K, z
Undervoltage Protection 2 U b$ Z% D2 a9 F' B9 V7 [
28-400 Undervoltage Protection Required for Motors (Appendix B)
( I+ _2 H: w+ H' u; z( q7 ?' CControl+ |+ A9 h# w2 N+ y1 z
28-500 Control Required7 T; M- H f+ u
28-502 Control Location
* d; G% S( S4 n( k8 K28-504 Starters Having Different Starting and Running Position) ^6 Z9 R3 @; P l5 v: S
28-506 Grounded Control Circuit
' a) d; U$ o, ^. Y+ ?7 y8 ^Disconnecting Means7 j X6 ?9 D9 x- k" i- q
28-600 Disconnecting Means Required1 b, W5 H+ T, w; p7 l
28-602 Types and Ratings of disconnecting Means (Appendix B) x3 _2 u& ]6 p* u6 n
28-604 Location of Disconnecting Means' a) l& B5 a5 s9 x. Q9 l+ T: @
Hermetic Refrigerant Motor-Compressors
2 v1 e& M% v+ N" K3 x28-706 Conductor Ampacity
- L" a: b( O' q. Z" a28-708 Overcurrent Protection8 i6 Q+ j" E$ G( M, S! ^3 ?
28-714 Disconnecting Means
$ O7 n2 N* J( M0 F/ k, X+ N* s% ^Protection and Control of Generators* f7 T U5 m# W
28-900 Disconnecting Means Required for Generators6 r. @0 M6 N$ O+ a" b8 K- k: ?$ T
28-902 Protection of Constant-Voltage Generators) j9 e- I$ ^$ w+ k/ D- Y8 E. a7 i
28-904 Generator Not Driven by Electricity+ V- _* P2 s: ?( ?
28-906 Balancer sets
~# Q! F* O% L6 @. U5 a28-908 Three-Wire Direct-Current Generators( a( f! a+ w" c$ J7 {* n- T. A$ b
( k* n: S8 `& D. p4 MSection 30 Installation of Lighting Equipment
9 G1 |9 N/ u1 r, `" k1 X ~30-002 Special Terminology (Appendix B) x7 f/ R0 r. r' i' ?
General
, K. q1 s/ n2 n1 E* o7 u, i30-102 Voltage
5 d# D9 Q% G8 j1 Q0 ^6 j+ r' e30-104 Protection (Appendix B)0 f* K5 p* H; `: X! ?* b
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
1 K+ y" X9 q& y0 D30-108 Polarization of Luminaires
8 }1 q- _8 n1 A( u, C30-110 Bonding of Lighting Equipment
0 b+ f) T: h1 RLocation of Lighting Equipment
, e$ y- _0 _4 |( u( A9 q' X6 ~30-200 Near or Over Combustible Material" Z8 ? M- l0 p8 B
30-202 In Show Windows6 P0 L7 \2 L* h9 |8 |
30-204 In Clothes Closets
5 R8 J0 L$ ^6 t4 ]( iInstallation of Lighting Equipment
* H) b7 R1 n3 b& O30-302 Support
1 C5 ~# z( y- O30-304 Outlet Boxes to be Covered
2 W( X' U# B4 n: j6 M30-308 Circuit Connections$ J2 ~. w( l3 {6 ?
30-310 Luminaire as a Raceway
6 C3 W7 e! ]* E! M7 ~) p30-314 Minimum Height of Low Luminaires
4 N1 K; U5 D7 S, O30-316 Luminaires Exposed to Flying Objects
5 @& o1 \8 V( |1 e+ f30-320 Luminaires in Damp or Wet Locations
& b( J( Z; O: t$ FN 30-318$ J! c! Y( u2 ]" ` |; O
Wiring of Lighting Equipment4 O) g H& ~$ n' l6 S D* ^) w0 ?' P
30-400 Wiring of Luminaires% {" R* W* r- k9 Z, H
30-402 Colour Coding
: [2 V( I/ ^ X3 |30-404 Conductor Insulation& D# \7 k$ B9 G& m% k3 {
30-406 Conductors on Movable Parts+ R' `) {# b, \' T9 J& S0 G
30-408 Wiring of Ceiling Outlet Boxes w9 q: V, T. q! u
30-410 Wiring of Show Window Luminaires
$ {4 R1 E# S3 q/ x30-412 Tap Connection Conductors
- x# q( s0 c/ E: O, RLuminaires in buildings of Residential Occupancy
& l5 [, K- n0 R% T# }6 y; y$ d3 p0 `30-500 Lighting Equipment at Entrances (Appendix G)
# y- U, c* }# S30-502 Luminaires in Dwelling Units (Appendix G)0 z& j" W P/ I" r8 C7 w
30-504 Stairways (Appendix G)
* I2 o* m4 G5 Z6 \% P: |6 [+ Y. J30-506 Basements (Appendix G)' @* v4 M/ H# z. e7 v f
30-508 Storage Rooms (Appendix G)' P' H6 a3 Z0 ?4 y
30-510 Garages and Carports (Appendix G)1 ]+ j" K; Q, K. [
Lampholders) S. T& C; X2 F( r; o3 h. B- S
30-600 Lampholder rating with Incandescent Lamps
( Y1 x8 U$ D" y8 O: QN CANCEL
$ l6 E( }4 _0 I3 {$ `30-602 Connections to Lampholders, s; |4 N( s# U, t: ~2 t. W* k
N 30-600; K$ J3 V+ K/ |4 ^/ U! k8 d/ c
30-604 Switched Lampholders Used on Unidentified Circuits& C/ o% d' `! i; P, c: ?) K- e2 A
N 30-602: K1 o$ V0 u4 B5 ?" [2 U/ y; B. _
30-606 Switched Lampholders with Pull-Type Mechanisms
3 m% v) E8 c0 _1 x& l. SN 30-604
; U k6 A+ P, y- ?' j30-610 Pendant Lampholders( _& S8 v5 X3 Z1 Q
N 30-608% } ~. q% p. p3 D: @
Electric-Discharge Lighting Systems Operating at 1000V or Less
! c8 R4 Z% {" n# D. R3 w) _30-710 Control (Appendix B)/ X) L4 t6 ?- ?" [1 b7 Y
30-712 Branch Circuit Capacity8 n" H& m' R- W8 a% Z4 w! Y
Electric-Discharge Lighting Systems Operating at More Than 1000V; ^! W! L4 a, M" T2 G2 I3 Y* i
30-802 Voltages, Dwelling Units1 s# X! O, o" Q' l6 {, @' J$ v
30-804 control (Appendix B)
+ S2 `5 `* N9 rRecessed Luminaires (Appendix G)
7 N2 X) I; o3 H+ k1 M& p30-902 Spacings for Non-IC Type Luminaires
4 m5 ^+ ?) |1 b6 Z6 Y30-910 Wiring of Recessed Luminaires (Appendix B)
* r9 G2 o, c4 Y4 M# J5 e: g1 w2 eExposed Wiring for Permanent Outdoor Lighting
) @9 P3 O. ^* S# E. x. H30-1120 Branch Circuit Loading and Protection
: q5 z: p. E) a% lExtra-Low-Voltage Lighting Systems, \ j |: E' U4 a' P
30-1202 Sources of Supply
3 Y6 ~! Q; D% I3 s' t: n* X( m( l, \$ u* ?7 @- \( J9 W5 ^
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)9 W- i+ y5 a9 t y) W
Fire Alarm Systems8 a; r' h; {2 @. z
32-100 Conductors
' B% ^* E, o/ o) ?% m9 e32-102 Wiring Method
, E: H( W' Z K. n+ P6 Y32-104 Equipment Bonding
* p# \1 e1 @( R! F5 k2 M32-106 Electrical Supervision; N' m4 X1 p: O/ {
32-108 Current Supply
+ P. F4 s* `9 [/ P32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)' e* |5 J3 t8 x: ]- [
Fire Pumps7 b( f! t) n- x& J p/ i
32-208 Overcurrent Protection (Appendix B)( x7 m* N8 U2 G) w+ R9 X( p& B& O
N 32-2060 O' @' @+ e9 m
32-210 Overload and Overheating Protection (Appendix B)
3 B+ W3 h: }3 A" v* {' R32-212 Ground Fault Circuit Interrupter (Appendix B)
( k! t0 f/ x/ e5 L d; O
4 x6 @2 H K! j# K9 ]+ cSection 36 High-Voltage Installations
: C7 \4 T- Q1 J) yGeneral, a6 z4 w+ v8 z4 u+ l
36-000 Scope (Appendix B)& m' a+ \2 K3 S* K. J8 E1 ]# n
36-006 Warning Notices2 n9 d; f! ]/ V% c: y
Wiring Methods
0 R$ J! F/ e" @# H4 g; o$ [36-102 Radii of Bends
7 @1 H2 }: S, b5 K" P @0 c! h36-104 Shielding of thermoset insulated conductors7 N3 i% N" m, P& a. X
36-108 Spacing of Exposed Conductors (1) table 30, table 314 q5 Y$ j- E5 N' I
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34; o, H8 |" \; v# @
Control and Protective Equipment$ B# E3 F( m* f3 ?# {: X1 Y
36-214 Disconnecting Means: y g- }) y, D+ G! j8 n2 o+ E
Grounding and Bonding# s' _3 Y% U+ u6 |
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
; m! |6 c* V* j0 E0 L36-302 Station Ground Electrode (Appendix B)! V2 D* h3 @+ e. i0 F/ _$ w! K9 \
36-304 Station Ground Resistance (Appendix B)
8 L6 B6 f- p N! }36-308 Connections to the Station Ground Electrode (Appendix B)
- A1 r$ v6 {: f36-310 Gang-Operated Switch Handle Grounds
Y% X8 J" F* P7 t. ^& v$ D36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
1 ~* n8 L8 g) {4 y7 H2 ^* o) ~) o3 I% G' ~* N2 q
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
& s5 L' H+ ` Q4 V- D+ P38-002 Special Terminology (Appendix B)* T W. F4 a' ~" c1 _6 m) D
38-003 Voltage Limitations (Appendix B)7 |' ~) _; A5 l8 d+ ?% e z w# }
38-004 Live Parts Enclosed
8 @' z- X( y# W38-005 Working Clearances
) q3 L. _3 k/ v. E) o38-011 Insulation and Types of Conductors
# f- k: C4 G3 B3 m38-012 Minimum Size of Conductors, O: {; i. T% ~4 u
+ z: ^/ f3 [% u8 ?
Section 40 Electric Cranes and Hoists
7 v+ a8 c# t% S& d" E* h9 L40-008 Disconnecting Means
( C& O5 _2 f: U* Y# W F' R ]40-010 Main Contact Conductors
. G) Y, i% I5 i6 O- @
9 e! S* L& F/ x6 x4 n# D, N% pSection 42 Electric Welders" \8 I( {' u! m- D$ ` _0 {
Transformer Arc Welders
( o1 j" O' t! b4 ?) l2 b42-006 Supply Conductors
) p' h* x g; I: Y( y" `6 a! q" z6 E
2 d: N" }- X3 r) FSection 44: Theatre Installations; l7 q/ l% l3 Y
General8 W8 m3 d, A$ a8 [/ Q. z9 K
44-104 Number of Conductors in Raceways8 a( U( T+ k$ u2 u/ O
44-106 Aisle Lights in Moving Picture Theatres
8 D) w# s Z3 s/ F, [# [Fixed Stage Switchboards& ]! t6 Y" u4 ]# f! J
44-210 Overcurrent Protection* z, ?% T; q' k7 ^4 [
Fixed Stage Equipment
; ^ c; b J9 ~6 b, b D' {) Y44-324 Receptacles in Gallery Pockets
$ r4 m9 p) f- @1 t1 P' ]3 N44-326 Receptacles and Plugs
* w" Z6 u% }% C
0 K$ p% V! ~: e: X- s4 D# J* uSection 46 Emergency Systems, Unit Equipment, and Exit Signs
S% \& k# R+ L. B* }0 @7 ZGeneral$ X0 o3 G* k+ p9 G$ K F" p
46-102 Instructions
; X+ K. N: D3 @ z46-108 Method of Wiring (Appendices B and G)' d* A0 d$ {) G& k* G; L! d
Emergency Systems
- {. |: m& c' @46-202 Supply (Appendix G)- @& w( Q5 X2 Z; c
46-204 Control
, L* V1 D9 Y- ? t- f2 o, m2 s46-206 Overcurrent Protection
9 R, ~! N+ Y' @8 Z46-210 Remote Lamps
* k: Y4 ]7 ~& }; _! |Unit Equipment6 ` T' s0 J/ v7 u% i
46-304 Supply Connections/ H S3 g5 Y; V8 X0 T8 C
46-306 Remote Lamps (Appendix B)
! X g3 [; F$ ^: ?+ X, K3 VExit Signs
l0 r+ _; }# v T$ h46-400 Exit Signs (Appendix B and G)( d3 x' G0 Z" l6 h% j9 M
& G8 g, c% p5 o; M, N; F eSection 54 Community Antenna Distribution and Radio and Television Installations
4 o* O1 c m- C; x; ~, T! ]* Q54-000 Scope
* G+ S0 k; n. S* `54-004 Community Antenna Distribution (Appendix B)
' S W7 [% Q( Z$ R8 LCommunity Antenna distribution- y. W5 [. v& V V- C* U
54-100 Conductors
9 N8 p: y3 V- F, ~& \! ?$ e1 @54-102 Voltage and Current Limitations (Appendix B)
" Q4 ~+ d, W+ }Protection6 t& O7 l7 h( H+ q2 e. F! y7 w5 u3 O- M
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)+ N; d1 _3 X2 o8 m" @/ J; q$ ?9 ~" G
Grounding* g# Q7 U" `" R1 k# C; n( `2 j
54-300 Grounding Conductor0 Q$ o) m. s% H: b' F/ x! Z u0 w
Conductors Within Buildings& j4 Q7 b3 y! E* i) H( C; n5 F
54-400 Separation from Other Conductors
V% |% ^4 g, n, b% ~* e7 ?Equipment
8 V( }2 H, v1 t0 c4 e1 E54-500 Community Antenna Distribution Amplifiers and Other Power Sources
7 A" g. r! X. y3 ^/ u7 x8 l. V54-502 Exposed Equipment and Terminations
# i! f1 F o& w+ L& o6 o
( K$ _$ h0 j6 E4 H1 T2 _Section 56 Optical Fiber Cables t3 d9 ^# x7 Z& g4 A% ~& A
General4 q# r9 d: k0 J0 d! W' a0 Q
56-100 Special Terminology4 m0 D' g, O- m1 N0 Y
56-102 Types0 q ?" v i$ _
Installation Methods
& G3 }7 B' v4 n( L56-200 Nonconductive Optical Fiber Cables (Appendix B)' t3 ?9 e' u' }3 n' u
56-202 Conductive Optical Fiber Cables (Appendix B)- ^4 }4 _% r5 {# C f
56-204 Hybrid Cables
9 n, W1 f8 `; b3 e# k" D56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
0 c x7 z* C. |: ]* E' k2 c6 J/ |. E* J
Section 60 Electrical Communication Systems& X$ X% f2 o% q e5 i9 e: A
General
4 j$ F2 S+ j9 x* u8 I60-100 Special Terminology
. V8 A7 y7 T" T/ L- L9 ?Protection7 j% c4 T5 L& ~, Q
60-202 Primary Protector Requirements) r/ l' A7 \( @/ q) }! I- _& k
Inside Conductors
1 R; ^" @" J' o5 `3 t60-308 Separation from Other Conductors6 ^) k+ A7 U& a7 _/ k
Equipment
% d' O5 f& S$ V" y60-404 Exposed Equipment and Terminations |$ Z* `/ O- B6 s: P% F
Underground Circuits
; @+ f* ]5 \; t# y60-600 Direct Buried Systems$ R! @% q1 ?4 P3 h/ y5 D; V
$ u5 ]$ h4 @* x+ m8 r
Section 62 Fixed Electric Space and Surface Heating Systems; p3 s% p6 A9 S
General% @: C! H/ y" c- L( w
62-102 Special Terminology1 o. X% E/ {$ J1 \8 f9 U6 s: E. b
62-108 Branch Circuits3 S* I, _1 n* `
62-110 Installation of Fixtures
; i: ? o5 h& s- t6 d$ X62-114 Overcurrent Protection and Grouping (Appendix B) (5)
# H$ g1 U. L$ X8 }& Z! K q62-116 Demand Factors for Service Conductors and Feeders (2)
l; z8 Q; G6 K6 k/ W( a% X1 ?62-118 Temperature Control Devices" U% [# i4 g2 ]+ A# W* K3 R
62-122 Installation of Series Heating Cable Sets (4)(7)5 {0 z$ l* d6 @9 G2 X
Electric Space Heating Systems' Y. w+ {* X6 [" V; F- v- E
62-202 Temperature Control
, ?7 y" @5 ~' m2 P' R. A62-206 Proximity of Other Wiring (Appendix B)& K; _! H' Q: g4 p9 ` k5 F
62-214 Installation of Heating Panels and Heating Panel Sets M! a" X% q) E# r/ _
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
: t+ @7 B5 P0 e9 `$ }62-226 Installation of Under-Floor Covering Heating Panel Sets
1 a* L) H5 Z0 i% ^. S: Q$ SElectric Surface Heating Systems( n; H% [/ O: J: [/ f; J# M
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface5 \+ F. c8 |, a' Y: j
8 S3 |2 |, q" c+ [Section 68 Pools, Tubs, and Spas
" g' [$ D9 l+ L6 A J2 \General& m0 \1 K' J+ V' I! e; [0 F- K) A
68-050 Special Terminology6 i3 v, e* Z$ _6 d9 I. Z2 w
68-056 Underground Wiring - Table 61
2 G5 C. K' ^* [68-058 Bonding to Ground (Appendix B)
7 B' d F- W6 g: |4 Q, X. I" I68-060 Junction and Deck Boxes (Appendix B)% J8 A5 X* T( ?
68-064 Receptacles
$ g8 D+ H& x5 f) g1 F: a9 X/ ]68-066 Luminaires and Lighting Equipment$ X6 C0 i4 F) A( m" [
68-068 Ground Fault Circuit Interrupters (Appendix B). q& x% H* d; ?6 T! K' d; k1 `2 H. G& e
/ ^6 L* d% Z9 L" t& G: d- N. O* ~
Section 70 — Electrical requirements for factory-built relocatable structures and " G0 T$ J; k5 ]* m1 f3 O
non-relocatable structures
9 g& l4 y$ ~: T1 T5 W0 y70-130 Tests (see Appendix B)% m3 |* V' p$ ?0 b
% y' I* X% l+ L8 iSection 76 Temporary Wiring (Appendix G)
2 g5 y( n2 |- M, `76-004 Grounding% w6 C: Y3 Q& V
76-008 Service Entrance Equipment
& Q, d. _2 z% [$ G" K0 dN 76-006
" D( s, Q& g. ]& L, h7 {4 D76-014 Branch Circuits
$ O: g' d( n7 r# Z' X2 @8 ^1 qN 76-012# D4 P5 g! t, d/ x. J
2 N) \, a$ J4 J! T, F) I4 m
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
7 z2 r' J( H& R, MMarinas and Yacht Clubs4 Z4 D% r" V. F! p
78-052 Receptacles: Q! w2 i. F; Q5 @* |1 L J/ ]; X
78-056 Feeders and Services% I9 ]9 ^% E# m$ b& X. F7 x
Marine Wharves, Structures, and Fishing Harbours- [+ r- n; s1 l) }$ f
78-106 Grounding and Bonding& A1 z% U- j. W+ H4 O, n# W
Tables
" e* U# l1 W4 S4 N* R1,2,3,4,5A,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
6 T/ E, V! l5 h, [6 x+ o4 B0 j. \8 E! x9 s- n3 o0 ^8 k1 J
Diagrams: 1, 2, 7
5 v( G0 |2 p, w" t7 }9 E
' p, t9 @2 ~" nAppendix B/ M1 L; L7 K; ~. z% A1 B- H! e
P352: Ground fault circuit interrupter- 6mA
0 h7 n. w6 \6 _P354: 2-126 FT1, FT4 ^3 ~1 o% N9 j# O1 k2 _% V+ m
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
$ @; T( L* A2 N+ `5 b# L# [P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
- l8 I6 i/ l9 [. [( ]& Z# uP370: 12-1012, 1118, 1214 Example:
) |! |3 V, ?$ U3 i6 T* HP371: 12-1108( R! @) ^7 |5 p7 |4 B* f
P381: 18-108(1)(b), 18-158(1)(b)( ~, ^4 }1 N0 g. y
P386: 24-206
6 K' n+ b! I5 [# ^ @P389: 26-256
) ~ W2 c8 [* h+ }% ], F* P. qP391-P393: Section 28, Example to determine Motor Conductors and Protection
! `" U6 w% N" H& C% o8 J( o
6 b. l& y1 _5 L( N$ j5 kAppendix D# K6 G4 j; X$ G) t1 u
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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