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Canadian Electrical Code Review Guide
& G/ s0 l7 D3 QFor the Exam of Electrician For Red Seal License
$ @/ |) ]& _0 j( t8 X; E/ B5 s( O# `! E4 L
Lesson One
( U( f# V! J+ N8 x& x7 q( ISection 0 DEFINITIONS
2 j, I" D# m- h. @" u: ~# r+ ~8 \This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:1 M& `( y. O/ f
Accessible as applied to wiring methods
, k& { h4 R' Q1 g7 W+ `Alive or live
$ S& D* ~: k# B4 x. oAluminum-sheathed cable
! k# |/ l+ u7 l0 ~: RAmpacity3 P3 D5 T7 K9 G9 f
Authorized person
3 L# b: n' s* z; I- b. _, mAuxiliary gutter5 h* Z8 E! \' p# S5 t- _! b9 v; ~: E
AWG! j7 L( d, d, Y4 {( ?; |
Bonding
7 S+ x: Z+ R0 K& ~7 PCable tray
. w0 ?9 N9 |2 d4 ?- ~9 F3 CCellular floor0 p9 {% [- q7 g' l8 S% Y
Branch circuit; D' i1 b5 C4 L! P, `% J( V; w7 B
Bus- `4 G- M, v6 ]
Busway) \% O1 ^" t! Q) {. L2 i
Communication circuit1 @- w) n+ J. q9 t, H
Extra-low-voltage power circuit
1 Q( p7 g' K/ n. ]/ a% [ I1 v# lLow-energy power circuit
3 t: a0 D. S+ N9 N* H# Y) N$ rMulti-wire branch circuit5 i Z' J/ W; L
Remote control circuit0 V) y# j# O0 p! w* N1 o, ^
Signal circuit; q0 Z3 G, X/ V( f' A' x
Circuit breaker# S5 U# L+ \* }, _# {: Y
Instantaneous-trip circuit breaker
+ U% ^' l1 W- c: Y, PConductor! S* c* ]7 h" \% a( I; L2 ~7 G9 s7 R
Conduit0 T/ o, f+ n' ^4 v; B7 _6 X/ U; m
Flexible metal conduit
* A% k2 a4 q2 M1 J& _ Liquid-tight flexible conduit
- z5 w( \) J+ d3 V Rigid conduit
- I, i8 Y% s- _2 ^: K+ K* a Rigid metal conduit
+ O( ^3 B9 o/ b9 F( J. W2 A Rigid nonmetallic conduit
1 F9 V. [! G+ O' p3 r. \; m Rigid PVC conduit7 s2 T' C F0 O Y
Connector8 d$ B9 i% r) `4 q- D
Box connector) e, f2 }1 b, B
Wire connector! c+ D" t/ z# p. l* ^; m0 Q
Controller1 A- Z. E- P: ?. [. p& v
Disconnecting means
' T) L5 G/ o, _: v7 K4 f" DDust-tight( M, @3 L0 [* U/ K
Dwelling unit
- q9 W: q6 E- G5 F) }' p8 i8 aElectrical contractor* m9 W3 [ t# e! n: h
Electrical metallic tubing7 @8 X% ~7 t4 l( c3 v
Electrical nonmetallic tubing
k. X; m8 s9 p' yEmergency lighting
+ @; C. T, d: Y- N/ L$ RExplosion-proof
. s, A& g: s n: u0 O8 S2 cExtra-low-voltage power circuit8 G3 Z" f% j, b/ }
Feeder Z$ n {; b2 s* P* j3 J
Flexible metal conduit0 r V* ^. t# U" z0 [
Ground9 E0 R. d# ^+ |
Ground fault circuit interrupter
4 S% R5 }; J9 k5 u2 {3 O6 iGrounded! V- z6 k- K" ?
Grounding
& x% N3 w5 k2 P w8 b9 B4 b$ iGrounding conductor- V C. X# u/ R
Grounding electrode
6 g" L# B. d! P( i0 f: GGuarded! ]$ a0 t0 U3 o6 j2 j! a5 U
Hoistway
4 u6 C M" m" t! L( A/ f( N1 MIdentified
: `, G8 U/ y; F5 ]/ `Lampholder
$ `7 l2 y) `1 Q/ x( F% d0 CLow-voltage protection0 ~# Q. d" `) a6 |
Low-voltage release
. j$ o& ~9 U( J9 w3 bNeutral" z2 K5 n9 f# [, ]5 x: h: R
Noncombustible construction
' D! F; M& n$ H* V6 tOutlet
2 m- k% ]. ^, Y3 E) {1 DOutline lighting
, v) ^8 o4 M- g5 ?& P1 qOver current device
# f* X8 c2 f8 {7 x, n& Z" w0 SOverload device
/ k: U8 v% a5 T( t- `! E0 wPanel board. z3 M1 l. x: `/ _
Panelboard, enclosed; Q3 h, v3 Q+ {
Permanently connected equipment
6 ?6 ~- h3 c2 ^* kPermit
1 Z- y+ o/ T; v* r* T9 x* K1 UPlenum% r8 X3 U/ v0 i1 c2 E2 ~
Portable as applied to electrical equipment; F2 r2 h6 D2 `9 C* o
Portable ground fault circuit interrupter5 s" |6 S+ q4 n+ Z( B$ S' I4 s
Power supply cord# \/ v: d, J, D2 n5 S% N" e
Raceway
. F' [4 ^6 t) B4 {Receptacle9 R1 P! @% C4 `6 P
Duplex receptacle6 w6 v- P, X! m$ b2 `! H, f
Single receptacle
- s, @1 J# m! M' |( s+ f( Y% j$ y0 q Split receptacle
) g: Y8 C# [0 @$ c/ X4 WService, consumer‘s. G. p/ }- T+ J g6 |
Service, supply
4 n9 l9 Q/ _5 ^3 NService box8 R b2 h# V$ f9 W+ E
Service room
: i5 V: ^2 [. ~6 sSingle-dwelling
6 C& k2 @) b0 U( x1 Y% ?5 } S. E3 cSlow-burning as applied to conductor insulation; q, W: h, D0 v; ? \
Splitter
. K- U- _2 V7 e" M" k9 ~! v/ [Starter
) v4 L- |/ n5 S( \2 f8 ISwitch; r1 A: r) X8 Y+ ~1 d& r8 B- n
General-use switch
8 h a5 v6 j! J Indicating switch
% }9 R( ~& R( b( a% f Isolating switch; `2 |* o8 T: C6 G' z1 o- D9 I4 B
Motor-circuit switch
3 ^: F: ]! k/ B x; a" P/ p6 iSystem9 `. C2 V& R* r, m, K# } v% G' B
Communication system& v- I9 |8 X) b& R, T/ i8 L
Community antenna distribution system(CATV)6 h& M0 d, m+ z9 [
Grounding system
1 D/ }" n# b8 u# j hUnderfloor raceway% R! K' \7 h! c6 y
Voltage:
# j7 w- @5 x& u$ H+ V7 S: m" N8 p Extra-low voltage) x( n0 D B+ z! p0 z
High voltage/ s% l# ?$ f' l4 h. t
Low voltage+ p' ~0 c8 C3 Z" D# D: k
Voltage of a circuit0 m( O$ P" J) Q# R
Voltage-to-ground/ [! U4 `5 [9 }3 y0 X a+ g
Wireway
+ }2 k O5 J2 |( K1 T- P0 j; R, |; [# S/ I9 O, C
Section 2 GENERAL RULES
7 {$ ]7 B& X) p4 \ r: q9 Z, {Administrative; j- L! D+ N5 `" T
2-018 Reconnection
2 O# X% U7 V0 t2-030 Deviation or Postponement2 c( v" c# ~# o2 l2 m$ J" u: o" H5 E
Technical General
" [/ B9 e4 i$ F6 {( X# G" n2-106 Circuit Voltage-to-Ground – Dwelling units
# g' N3 C, t/ Z2-114 Soldering Fluxes& c9 H5 c* c. H2 u# {( [7 U
2-116 AWG Sizes of conductors' a9 A& h9 C$ K g& B
2-124 Fire spread (see Appendices B and G)
4 |9 S! f2 u& N" o0 [% ] ^9 n f6 J2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
0 I \# F" P2 W" N4 s/ ZProtection of Persons and Property3 A/ \9 K, r5 Q2 g( q3 h; `
2-202 Guarding of Bare Live Parts7 ?6 x' ~0 T7 N- Z" e7 H, k
Maintenance and Operation1 d8 R) e! h( m9 E* m* {
2-304 Disconnection
# u7 r; \4 |5 }. A+ s6 X# u: D. ~2-306 Maintenance of Live Equipment
9 }" q8 J5 h, M+ a" d, y, D$ ]N 2-306 Shock and flash protection (see Appendix B)
& n7 b/ n" }5 @3 m i. `4 f4 J2-308 Working Space About Electrical Equipment: Table-56& p& D# Y, c$ h+ L l, H P
2-310 Entrance to, and Exit from, Working Space3 a- G: [3 w. a! a! Y3 v
2-320 Drainage. U+ g1 u- }, ~$ o0 G! B, Y
2-322 Electrical Equipment near combustible Gas Meters and other Devices
. ]# @( }# c3 c- ~Enclosures! Y( T; X9 v& a
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) . u6 v4 U6 @5 X2 y5 {/ P
2-404 Marking of Motors: DP, WP, TE
* O3 ?2 L$ b8 v ! `- n# ^( i) Z1 b S
Section 4 Conductors
4 l& }6 i& t7 G7 M4-000 Scope
- e4 P- e/ u' g6 x g$ e- R2 k4-002 Size of Conductors: 14#, 12#
" ~( U. d/ x2 E4 ^5 K) w4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 360 N U3 ^ ^- A$ ]0 @) g5 J
4-006 Insulated Conductors: Table 192 w9 c( }+ _& Z2 a* [
4-010 Uses of Flexible Cord: Table 11
7 y) r7 s( ?4 e3 B7 i9 g% Z6 O4-012 Sizes of Flexible Cord
7 L) H* J$ H, c4-014 Ampacity of Flexible Cords: Table 12
9 z6 n, i, V U2 X4-018 Equipment Wire( U& D9 {: p. l
4-020 Insulation of Neutral Conductors" U' |- T: A/ h, R( e
4-022 Size of Neutral conductor9 `4 H2 V2 D/ ^
4-024 Common Neutral Conductor8 X# I% v, I; c5 ~3 c3 c
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum2 X0 R* n1 P/ Z7 E, q
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
; c1 y* o* f* h2 f2 R4-032 Identification of Type MI Neutral Conductors) F; w6 g- T$ u! D$ A
4-034 Use of Identified Conductors
6 F( U! A4 t9 E" ]7 [* a4-036 Colour of Conductors: Phase A, B, C, …+ o5 z, O( ^! v# T/ n7 r% A
6 I4 X! g( h8 q, [* |7 @' f
Section 6 Services and Service Equipment/ H- a7 B2 m& `& ?6 v
General) G5 k4 b, ?+ B# j$ {8 |3 J
6-102 Number of Supply Services Permitted ?: ?. m" l* N5 N
6-104 Number of Consumer’s Services Permitted in or on a Building
8 W) _2 _& d$ N0 t9 F6-108 Supply Service from an Electric Railway System
% b6 U( ^3 D- A; K; c6-110 Three-wire Consumer’s Services : a. ?% @& v* \& K$ i7 k7 _1 y
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors, W/ x9 a5 F0 T% O# b) a# B/ a" R! }
6-114 Methods of terminating conductors at consumer’s service
5 T7 k2 i8 L2 X) x5 R. R6-116 Consumer’s Service Head Location/ ]% r0 U; T* [: H% D, I
Control and Protective Equipment+ c8 H2 Z0 {$ Z) P! P
6-200 Service Equipment* X( |& I: i* `4 V3 K, u7 W
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
9 u r% X3 _- e* Y$ m0 R' ~/ n6-208 Consumer’s Service Conductors Location
~, v" O$ r; b6 m+ L h6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
, ?) O6 z8 N0 l% t2 T6-212 Wiring Space in Enclosures* f0 Y% S# I5 |: U+ I, O: O
6-214 Marking of Service Boxes
/ P k5 |5 A8 l aWiring Methods' B8 W8 Q/ o5 R! p# l
6-300 Underground Consumer’s Services
+ d2 \& L" z9 J) h6-302 Overhead Consumer’s Service Conductors8 K/ p3 h5 j* @2 A) g" W0 a# b
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
5 C E+ _5 F2 j! P, T$ A2 ~8 a6-306 Consumer’s Service Raceways& f; o, |& Q: g" t* k
6-308 Use of Bare Neutral in Consumer’s Service
4 U9 ^+ j3 z) ^6-310 Use of Joints in Consumer’s Service Neutral Conductors8 N& v# h6 o2 b/ K0 t H
6-312 Condensation in Consumer’s Service Raceway
) S1 s) }; x' w6 X8 @- ]Metering Equipment
' ~/ p( Z3 J" x6 _* T: \+ ^% O6-400 Metering Equipment
3 z% `; Y4 q' [( W8 ^ `6-402 Method of Installing Meter Loops- [8 g: X2 x$ V" j: h8 a: S
6-404 Enclosures for Instrument Transformers! z' w- H. b$ y/ z- F" x& a
6-408 Location of Meters
# L3 t* ^4 V* A8 k; Z
4 X4 K. L! Q% [- `1 z% F& r8 _/ w# dSection 8 Circuit Loading and Demand Factors: j; Z' z, B% w, e9 y x9 I9 X
General
r% k9 ^8 X, K6 W4 ?1 g+ D7 w5 O8-100 Current Calculations
) p: P+ f% Z' E# V8-102 Voltage Drop ( see Appendix D)6 w+ a; h% z1 I* x) n
8-104 Maximum Circuit Loading
! e/ i4 l$ K; p& a% G; C8-108 Number of Branch Circuit Positions8 P: u. I" Z1 ?+ l9 ~6 N
8-110 Determination of Areas- d& X% M. D* _. e: m
Services and Feeders) V- O0 ]4 E. S# `7 `
8-200 Single Dwellings (see Appendix B)
9 G0 y* X4 A1 c) K$ q8-202 Apartment and Similar Buildings
- o1 q( P" `0 G! D* n8 T' A9 W8-204 Schools
. z, h0 ^3 F- c# z7 o( y5 _' s8-206 Hospitals+ Q2 L" S- W" K
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy3 ]+ H9 L) E4 ~+ l) {3 B- h+ d
8-210 Other Types of Occupancy (Table 14)
( i9 E. r* ?: V' K+ M8-212 Special Lighting Circuits$ A! U( Y" X q7 Z2 A
Branch Circuits
& l4 t. ~5 d2 B& O/ H( f+ J8-300 Branch Circuits Supplying Electric Ranges
1 |6 V" N" d! h8-302 Connected Loads$ O. N9 Q, a2 k
7 w. X! w6 N& t0 _6 e( h
Section 10 Grounding and Bonding
+ v# y# i i! T' R& q! o. N" rScope and Object/ ?1 U+ E$ B% ^0 d8 \4 k" _* B
10-002 Object% x0 S2 k7 ^# q, L+ p
System and Circuit Grounding S$ `/ U' |. y9 A
10-102 Two-Wire Direct-Current Systems
* f, v7 M9 l) |10-104 Three-Wire Direct-Current Systems
# \ [6 i) G2 Q. b, r) m10-106 Alternating-Current Systems& n y* _: P$ X0 S) `! n2 ~8 | h
10-110 Electric Crane Circuits+ t( L# T* D0 m* Z* F5 W! }/ r3 B- ?
10-114 Circuits of Less Than 50 V
, X; p# s, C3 Q2 L' n10-116 Instrument Transformer Circuits* L y R1 p. ]5 @
Grounding Connections for Systems and Circuits/ `! }) {3 z) y4 ~$ [. N" Z
10-200 Current Over Grounding and Bonding Conductors
8 G0 O5 f3 D; ~) Y0 i# z% t9 o10-204 Grounding Connections for Alternating-Current Systems
# n$ c- f& p ] W9 u5 f8 ^# D10-206 Grounding Connections for Isolated Systems. A/ G, e0 x1 S' M
10-210 Conductor to be Grounded
; b3 w9 S3 s! ^5 d2 p: d9 RConductor Enclosure Bonding# L& W, u3 j( K4 M
10-302 Other Conductor Enclosures# _7 r( O/ J" o5 R M6 _2 Z Z
N 10-3047 r# P) x* i( R' g6 s7 S% R! }; P
Equipment Bonding
% p) Y) k4 d6 P! y7 A& Z10-400 Fixed Equipment, General
4 E6 t# b8 @# i1 w$ A10-402 Fixed Equipment, Specific (3), (4)
" L3 o: F" n6 d: m10-404 In Nonmetallic Wiring Systems
4 |; N, U( y1 A" E" L: r! T1 a10-406 Non-electrical Equipment4 ?7 m+ j* v" |8 m7 i* i
10-408 Portable Equipment (4)(b)1 _, m+ a0 m: M* G. h* r' U
10-410 Instrument Transformer Cases1 V( ?& k# M: k- p Y
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
0 `9 I1 b. h3 I& b3 J6 r10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V7 t# {5 i; ^2 R* ~
Methods of Grounding
9 n8 Q! U2 t! e) Y10-500 Effective grounding (see Appendix B)
! O% |' ^, N" C1 x10-502 Common grounding conductors! N# g3 h$ T+ x+ j8 R2 v3 c
10-504 Common grounding electrodes% Q9 r" K* j5 k2 G4 ?4 H6 e/ f
Bonding Methods
" u% O5 {! X1 K9 p10-600 Clean Surfaces. ~. G5 o6 [7 z$ r% W
10-604 Bonding at Service Equipment' a( d$ K+ ^0 D8 \
10-606 Means of Assuring Continuity at Service Equipment
2 \3 R. T& H% P+ ]6 l$ |- b0 H10-610 Bonding at Other Than Service Equipment5 X& H& H! x" y/ E2 s
10-612 Loosely Jointed Metal Raceways
% S: j( x# x2 Q% ^4 X10-614 Bonding Jumpers Table 413 e6 `/ h/ M# o* |
Grounding Electrodes& w" U- k$ T8 k
10-700 Grounding Electrodes' i. A* U ]% b
10-702 Artificial Grounding Electrodes
6 _0 i) K g9 }5 Q8 r% I& DN 10-700 & 10-702
+ N. q6 ~8 n- A) w& w; C1 [2 ^6 |: h10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
0 f8 j* a% U t# @N 10-7022 Y' { E: ~; z* h. d* N
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding8 }+ |. k2 B. G# o0 {$ Z. h: n7 g
N 10-702
, s1 A. l, D8 W; d7 N8 T10-710 Use of Lightning Rods (Appendices B and G)* a6 @; x8 o0 y# g- H
N 10-7068 A$ {0 {5 F# n
Grounding and Bonding Conductors
+ L" X" w8 [. e) j# p1 T# i+ N10-800 Continuity of Grounding and Bonding Conductors
6 i. N1 b2 o7 ^9 p3 P% J( v; j5 p10-802 Material for System Grounding Conductors+ |3 M+ H! B$ `0 o
10-804 Material for Bonding Conductors
. r* ?6 Z1 j# `0 g; f6 v; Q10-806 Installation of System Grounding Conductors) Q: T; w4 h" q6 D! S3 M/ n" _
10-808 Installation of Equipment Bonding Conductors$ L, O1 W1 \. ?8 N8 B
10-810 Grounding Conductor Size for DC Circuits
Q2 I' T1 B/ I. n' [# O5 g10-812 Grounding Conductor Size for AC Systems (see Appendix B) V% l: E E1 B7 k' D4 g/ c
10-814 Bonding Conductor Size (Appendix B); C+ T0 Z( ~1 h; v0 I% k
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment+ I! t- k5 n, u6 W
10-818 Bonding Conductor for Outline Lighting- y; L% c V: {# B) A* V9 u
10-820 Bonding Conductor Size for Instrument Transformers! q2 Y& J* _% [/ s* N
Grounding and Bonding Conductor Connections
. H* }2 Z9 D$ v1 I8 n10-902 Grounding Conduct Connection to Water Pipe Electrodes
! w) Z0 m, G8 ]0 H8 x2 t- U! O10-906 Bonding conductor connection to circuits and equipment4 R {% ^( ^& x
10-908 Grounding Conductor Connection to Electrodes m% b/ m3 F7 b
Lightning Arresters: r, o5 }; G; `1 {- E# [4 Q# y
10-1000 Lightning Arresters on Secondary Services – 750V or Less5 P; d7 Q T9 }5 \% |, K! k1 F, Q
/ g: e, m' B' I- g0 j y9 _' u. A, ESection 12 – Wiring Methods
6 @4 W. T" e9 M3 jScope
S1 m5 S8 ^% I0 s( \! a12-000 Scope (Appendix B)" k3 X2 y4 U9 f( b2 a* f& Z4 ]; \
General Requirement
' i9 B$ j6 {7 ~+ Y( ?1 C/ |12-010 Wiring in Ducts and Plenum Chambers
( r% u; ?0 d% W& j) c* C. R12-012 Underground Installations (Appendix B)
. H. j: p) l; C; U1 e7 _/ T; d* C12-016 Lightning Rod Conductors
5 C$ K7 f/ c/ r9 G \9 ZConductors - General
D3 g m, Z! @( e3 P12-100 Types of Conductors (Appendix B) Table 19! y3 b- G `" ?$ M" ?
12-102 Thermoplastic-Insulated Conductors4 E, z d7 a, E5 y$ f* Y Z
12-104 Flame Tested Coverings
0 I7 B9 }2 c. ^& y" L( a7 o2 W12-106 Multi- and Single- Conductor Cables7 E7 z. u, k# ^* v$ k, w) W
12-108 Conductors in Parallel (Appendix B)
2 B% \% |& s9 e: @12-112 Conductor Joints and Splices% }+ V' V" L. w6 E
12-114 Ends of insulated conductors
) a# M+ D6 j c) v$ v( k# v$ r8 @$ I12-116 Termination of Conductors (Appendix B)6 Z" d) T7 e; J& s* P6 w7 R! \
12-118 Termination and Splicing of Aluminum Conductors
2 i# E% Q7 b* O+ m12-120 Supporting of Conductors - Table 21
! q4 m8 D/ j9 t# r( {9 Y. [Open Wiring' ^) i+ q$ x. b. B
12-204 Spacing of Conductors
0 L% B( z' Q8 ?$ `" T12-206 Conductor Supports6 H# H! s8 v. O+ _1 ]5 v
12-208 Conductors on Flat Surfaces& Z. z8 K( Z6 y' e3 l! _9 `+ t
12-212 Protection from Mechanical Injury6 g K9 |- i" }7 ~5 l0 g
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises& R, i" {4 y2 G9 c
12-308 Minimum Size of Overhead Conductors' d4 P. a9 W- s& R9 y. B5 i+ o
12-318 Use of Neutral Supported Cables
$ f& Y' z3 y0 Z( E# C7 X# T2 X; q6 LNonmetallic Sheathed Cable" d0 @' M1 g# O7 v( |. ]
12-502 Maximum Voltage5 N! {- D# K3 H( k" M
12-510 Running of cable between Boxes and Fittings (Appendix G)- s0 v' u1 ^9 w: {+ q& ]! s
12-514 Protection on joists and rafters
" c+ |& G" P+ W- e4 K! ^4 T12-516 Protection for Cable in Concealed Installations (Appendix G)
' ^' d4 M$ m( C; q. ~9 G12-522 Where Outlet Boxes Are Not Required
% o2 a K/ D' G& X) FArmoured Cable! e. s7 h( t' n1 b& e
12-602 Use (Appendix B)
' {8 e. O/ t8 Y+ Z12-604 Protection for Armoured Cables in Lanes& y1 t- f- Y5 v" \
12-606 Use of Thermoplastic Covered Armoured Cable6 Z+ @) w& c q. }
12-608 Continuity of Armoured Cable
7 I9 F( B: \' d. i: @12-610 Terminating Armoured Cable, ?# T V# c' k) U7 y& W# V, w5 K
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
) w; p9 G/ c8 D2 o12-614 Radii of Bends in Armoured Cables, G* r) ]) l$ g9 i5 a% R" H
12-616 Concealed Armoured Cable Installation6 C! \% G1 {0 l
12-618 Running of Cable between Boxes, Etc
: v; t2 W% p7 v4 iMineral-Insulated and Aluminum-Sheathed Cable! a, A; v& q* n+ t0 a/ r# X7 q1 t
12-702 Use5 Q# k- i3 y2 x8 L+ p- |8 `
12-704 Use When Embedded
1 c/ H) M. j# U) b; A. r12-706 Method of Supporting& f+ J Y2 |1 H4 K) A4 x+ [# }
12-708 Direct Earth Burial- H# S# U% n( G+ o# t6 }/ K
12-710 Mechanical Protection* |7 v7 `+ ]" c4 d+ ?
12-712 Radii of Bends+ y' P. D3 }! ]3 D
12-714 Termination of Mineral-Insulated Cable (Appendix B)& ^+ K4 P6 m) x. S
12-716 Connection to Other Forms of Wiring
2 p) P8 a' S0 u# X% W" `4 uFlat Conductor Cable Type FCC
/ C7 e5 j5 c y' c: o' j12-804 Use Permitted7 ~! V9 g3 R+ k+ g# `' c( k. t6 A
12-806 Use Prohibited" M3 Q, A0 V+ s$ i& y
12-818 Anchoring# |: l/ U8 L. f" c' I' P) u; c4 j5 L
12-820 Crossings- ~! d: O+ `/ K0 N$ A8 ]& R
Raceways - General3 K d, j) y0 p
12-904 Conductors in Raceways
0 m* [) X8 c) U: b12-906 Protection of Conductors at Ends of Raceways
: {, m* w3 x. L$ M" |+ c12-908 Inserting Conductors in Raceways0 X" T2 j* s/ T
12-910 Joints or Splices Within Raceways; w1 `0 u" c3 Q& J+ _& Z
12-912 Stranding of Conductors$ d& U. }; k- M5 J
12-914 Electrical Continuity of Raceways' ~# K) |+ B6 [
12-922 Radii of Bends in Raceways: ]# k! b% W. l: X; U
N 12-922 Radii of Bends in Raceways Table 7
6 |& h& E( L$ P& t# ^$ z12-932 Protection for Raceways in Lanes5 q R2 ~: p Q1 y6 ?0 I1 L: G0 i- D
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
4 \4 z5 ]: Z+ ], N12-938 Capping of Unused Raceways& |0 M) s* i0 Y6 n* b9 ^
12-940 Maximum Number of Bends in Raceways& ~$ M3 g7 r S! O
Rigid and Flexible Metal Conduit; F" A* Y2 L- k
12-1002 Use
) D2 i. Y- x* g4 k8 E0 O0 d12-1004 Minimum Size of Conduits% X4 Q) f! A" q
12-1006 Conduit Threads (Appendix B)6 g( G: f- F0 x( S4 c m9 {
12-1008 Thread Engagement
# d: m9 J' A2 a. c# R12-1010 Maximum Spacing of Conduit Supports) `! E% f ]" d% P7 \
12-1012 Expansion and Contraction of Conduits (Appendix B)* L! [: r, _1 H9 ~, g
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 " d& |# n5 L5 s4 v6 C
Rigid PVC Conduit and Rigid HFT Conduit
$ V: B8 @- |! _; @12-1100 Use
& f8 \! M! L* d' ?! \4 g' e* Q! Q12-1102 Restrictions on Use
- ?8 K T' m5 k# p* W* w0 }3 c12-1104 Temperature Limitations (Appendix B)
% Z8 K! `+ p5 M* P( e+ h12-1108 Field Bends (Appendix B), (2)% [' k9 D4 V- ~( |* Z* f
12-1110 Support of Luminaires- h$ s4 e$ b% L+ W
12-1112 Fittings
! ~ f, o, h) y4 x) Q9 y1 r12-1114 Maximum Spacing of Conduit Supports
. [/ t3 P6 g+ w" q' ~12-1116 Support of Equipment7 I# Z9 t- G0 n, ~: q
12-1118 Expansion Joints (Appendix B example)
4 s! J5 E7 V# c* x, R( ~Rigid RTRC Conduit/ Z6 m2 ?$ v( }3 U
12-1210 Temperature Limitations$ A/ b% V5 S- g2 g* i* J0 _
12-1214 Expansion Joints (Appendix B)' f8 G ` V9 S! O
Liquid-Tight Flexible Conduit6 ]* `( q0 S9 u: ?6 F, R+ y
12-1302 Use of Liquid-Tight Flexible Conduit
3 I. N: H- l8 z$ i7 b9 o12-1304 Maximum Number of Conductors
" g* x9 K% g! E, j) Z- R12-1306 Provisions for Bonding: o) i& n/ p- @! _( l) r, F3 Q
Electrical Metallic Tubing: |- e9 C* W# G4 M- N
12-1402 Use
8 T% v7 C) s0 E) L, {/ N6 v12-1404 Supports
. X1 H' q T7 s12-1406 Minimum Tubing Size0 m- E* l8 o9 z% q, F s: P
12-1408 Maximum Number of Conductors
/ s/ ^5 J S; e: U: w8 x2 [12-1410 Connections and Couplings6 i) m+ W1 [; r0 [& u5 M; F7 b
12-1412 Radii of Bends in Tubing
& c& X; h3 b7 }1 l$ ~N Table 7
+ ]+ \) }& S ? s8 JElectrical Nonmetallic Tubing) n3 p2 N* j; N# O- k0 H$ q
12-1516 Provision for Bonding Continuity
( \0 e- w S4 f+ P' aN 12-1514$ n$ `1 r# \2 m9 P7 }$ C" }
Surface Raceways- B9 Y! y: k6 H# w* V% _$ k& W9 k
12-1602 Use of Surface Raceway (Appendix B): H. q7 Q1 t$ \6 X/ r
12-1604 Temperature Limitations
% J" \* M5 G. S( G* V( ]; z' A12-1606 Conductors in Surface Raceways (Appendix B)4 O& h1 J: Y2 @1 J
12-1608 Maximum Voltage
' f" f- }- L5 a* z+ d12-1610 Joints and splices ! T5 C& Q- Q8 Q. G+ ?7 S5 X
Underfloor Raceways
; }2 O# o- `9 m4 B1 C3 n6 W6 U12-1712 Discontinued Outlets in Underfloor Raceways
0 M) B' u4 Q; h# O! G* V; { ^Cellular Floors
5 x9 e6 l2 d) A4 S3 Z/ E4 L12-1804 Maximum Conductor Size in Cellular Floor
( V7 w j& P8 @12-1820 Cellular floor discontinued outlets) d& _# t: o9 p/ f6 N8 E
Auxiliary Gutters0 U3 g" M' z/ n; U6 g$ X
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces4 N: b5 m4 ~; ]4 @( O, C
12-1902 Auxiliary Gutter Supports/ i' @; a" v6 g G/ X
12-1904 Auxiliary Gutter Cross-Sectional Area
/ v! |8 F0 ^7 F& j `Busways and Splitters/ \4 [# L. x% p% j: `( y
12-2004 AC Circuits in Busways and Splitters9 N! b& v6 n: c( _8 r; n
12-2006 Busway and Splitter Supports
" @* D1 N& i; }5 O9 l( [12-2008 Method of Installation of Busways/ n. z6 Q& g. n* d" G; D: y
12-2012 Reduction in Size of Busways
8 b( O& ?4 } F7 _, L9 T12-2014 Length of Busways Used as Branch Circuits0 f7 D+ R1 {9 c- ]) N
12-2018 Taps in Splitters2 p, C* x9 y% [2 [; D1 H) G0 \
Wireways5 s3 y6 @; u6 ?
12-2104 Conductors in Wireways, Z/ A! N! `3 N# ]& ~2 I) r1 R1 _7 `/ m
12-2106 Taps and Splices in Wireways7 s3 n) z8 O* V0 _( z8 [8 U
Cable Trays
- A6 ^7 W0 R6 O; j& u0 C9 v12-2200 Method of Installation (Appendix B)2 i- k% U ^( P1 [
12-2204 Joints and Splices Within Cable Trays, q$ n: o& |- F: |8 p
12-2208 Provisions for Bonding
. E, L1 \ h, ^# F7 V2 r12-2210 Ampacities of Conductors in Cable Trays
+ q& x, k6 [5 {2 I6 U1 PInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
* n8 {3 M$ g q* j1 I d12-3000 Maximum Number of Outlets Per Circuit' Z! ^1 i0 g, Z2 }. I: \
N 8-304( H" n. q) E6 i
12-3002 Outlet Boxes (Appendix B)
+ ]4 l: C+ W( O4 [' j/ G( ]N 12-3000
: a, [, z9 }3 b$ G" K5 q# U( e12-3004 Outlet Box Covers1 P4 k; |# o c
N 12-3002
; v0 A6 O' [ C8 U7 d4 M; W12-3010 Boxes in Concrete Construction
: M2 S r2 B7 SN 12-3008% V: B4 y0 t3 y5 \$ A9 o9 S
12-3012 Outlet Box Supports, F! E1 o& q) e/ w6 i# u
N 12-3010
5 r- Y4 m4 \6 G2 A- T4 g$ e12-3016 Accessibility of Junction Boxes* Z1 W0 r# g8 e4 L" J+ ^
N 12-3014- U) | T5 x" F1 m) |/ Z
12-3018 Flush Boxes, cabinets, and Fittings
9 `% A6 s& y. u, W; g( Y; T6 T+ v3 S# RN 12-3016
' X& h! U- ^0 G/ R7 P) z12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
+ L/ P! t- x2 B" x4 I" x- vN 12-30221 ~1 z; S/ {7 ~6 _" m
12-3036 Maximum Number of conductors in a Box - Table 23
; T! Y( @) |. C- J" {, G5 kN 12-3034
, c a: i! k6 w) D) ~12-3038 Pull Box or Junction box Sizes0 T+ r) w5 ~+ `2 W1 p
N 12-3036
. _4 K9 J& _5 ~+ ^: h1 Z+ \) n1 Y7 q" x1 Y$ q6 w) r) s
Section 14 Protection and Control9 U5 {- [7 s/ y/ \2 ?# @
General Requirement
. [% X1 x/ o U4 T14-010 Protective and Control Devices Required
S" U0 K6 a! b' @9 a7 g: F, w14-016 Connection of Devices
- |7 `3 P1 b% k3 l' H; Z Protective Devices – General5 m/ c" K* R0 ]: Y$ u( J8 u
14-100 Overcurrent Devices Required
5 a9 e2 x; e7 Q9 [4 \* @/ D5 Q4 D14-102 Ground Fault Protection (Appendix B) `' T! o: J4 W" P
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
8 x( _9 s. W) f! H; B9 K- ]& t! s3 n14-112 Overcurrent Devices in Parallel7 r5 L: k+ `7 p7 E
Fuses8 O5 y, [7 B$ X0 ~2 F7 p- u2 r8 F
14-200 Time-Delay and Low-Melting Point Fuses0 y ]8 s' n0 M; o/ P8 ]
14-202 Use of Plug Fuses, R3 ]& f% v, G# A% l
14-208 Rating of Fuses
4 b3 }6 G" K; F, ~+ m4 k& u/ d14-212 Use of Fuses (Appendix B)
/ M8 {5 t/ r( \' \! p& N% N! KCircuit Breakers% [! @0 o9 Y4 @5 o
14-300 Circuit Breakers, General
3 L% d. s( E8 G" L: e7 ^14-306 Tripping Elements for Circuit Breakers
8 I# T1 b5 s5 h, V6 V& a14-308 Battery Control Power for Circuit Breakers
, e: S! U3 _7 B- R6 R e aControl Devices - General% P- E( R# |$ j2 E) N% e& D
14-402 Disconnecting Means Required for Fused Circuits
, z2 h8 D4 r& N+ eControl Devices - Switches
# `/ C' \0 Q, g: f" _ ^9 ~14-502 Mounting of knife Switches6 E: k' m | Z6 ?/ Z7 I% R
14-504 Maximum Rating of Switches3 ~$ u3 y, X1 a2 _2 c/ R
14-508 Rating of General-Use AC/DC Switches (Appendix B)
" e# c* {: Q! @; u- l5 x* ~# }14-512 Manually Operated General-Use 347V AC Switches (Appendix B)* J$ t+ e% |, j& @+ f( [$ J
Solid State Devices' _/ j3 N3 i7 v, A2 |+ T9 J
14-700 Restriction of Use, R( y3 T6 [) H3 s& x
14-702 Disconnecting Means Required p/ j6 v9 R0 @
+ H- m& h& w) n7 J/ E6 E( CSection 16 Class 1 and Class 2 Circuits1 U: U9 L4 o6 m: C. |; d
General
4 H8 X9 N* o3 S5 f, ~3 }3 C& J16-004 Class 1 Extra-Low-Voltage Power Circuits
5 ^) w. K v/ Y5 e; I2 P$ Z# z16-006 Class 2 Low-Energy Power Circuits. |2 F" O2 c2 G! ?6 T
16-012 Circuits in Communication Cables
2 [7 N. V7 ]9 S- U4 ]Class 1 Circuits8 t$ {; M K4 i
16-100 Limitation of Class 1 Circuits
1 ~& x, r0 m8 a16-104 Overcurrent Protection of Class 1 Circuits
, [# d" {- ]9 h) m) |, ?! U16-106 Location of Overcurrent Devices in Class 1 Circuits
: @9 t3 }% p8 `16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
6 G6 V/ [" l8 r+ a& I16-110 Conductor Material and Sizes! h, `* E, {# E5 F
16-112 Insulated Conductors for Class 1 Wiring
?0 O7 C* E; r3 LClass 2 Circuits
7 q, z& P! c4 o1 a5 ^( k16-200 Limitations of Class 2 Circuits (Appendix B)/ ^- C# _' Z5 X4 @
16-204 Marking% w4 k% \, {0 p% W
16-206 Overcurrent Protection for Class 2 Circuits
5 S$ {5 L: H+ [: E k* m& e+ r: G16-210 Conductors for Class 2 Circuit Wiring (Appendix B)) n; @! z, `7 Y
ELC: extra-low-voltage cable
9 J; j8 S0 ~/ e- U+ W0 m5 w16-212 Separation of Class 2 Circuit Conductors from Other Circuits
; o b2 G3 w3 U" a
1 _7 D; \/ s! X% T; W7 k. h& QSection 18 Hazardous Locations
& `0 t, h+ ~" e& YScope and Introduction+ v; c- i! c: M) C' Z3 I% P0 f4 j
18-004 Classification3 J% |( d) E( o
18-006 Division of Class I Locations (Appendices B and J)
3 F) ]) i7 D+ F' ]9 e- w" p7 P18-008 Division of Class II Locations (Appendix B)5 T% k+ e2 R, C
18-010 Division of Class III Locations (Appendix B)7 N' c7 q$ P( }( V" Y' q L" T
General
# ^% S! T8 S3 [, {! n4 w18-062 Metal-Covered Cable (Appendix B)
, y- ^) U5 F$ L( z% Z ?% l2 PInstallations in Class 1, Zone 1 Location
9 y& X# U" N x: n4 |- r18-108 Sealing, Class I, Zone I (Appendix B)
7 Y+ I/ o) N; p: l" k9 H5 V% a Y* y2 s" X+ s) c w
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
2 ~8 l. o: E. k; F. z9 D- e" @Gasoline Dispensing and Service Stations
: z# N# _3 P5 p8 J# c20-002 General" |) N6 p) e: k- P, j
20-004 Hazardous Area (Appendix B)
* ]4 Z0 S. j2 a/ e4 |Propane Dispensing, Container Filling, and Storage$ K& {* o7 _, a7 S
20-034 Hazardous Areas - Table 63
/ C y5 f+ I; P# P! l; cCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities0 U- H: S, q y; T& v( g j# `4 Q
20-062 Hazardous Areas6 @0 u3 J9 t0 r; M( w+ ~4 |( o
Commercial Garages – Repairs and Storage
, k* b+ d H% G$ `20-100 Scope
* W9 l* d5 S- y7 L/ L20-102 Hazardous Areas (1)
4 s& i {! F. y
" g% i& v. U! g3 o A" cSection 24 Patient Care Areas
( d8 ?9 x( |" D2 V- Z' @$ @24-000 Scope (Appendix B)' L# R. \1 [, ]/ o3 T3 b
24-002 Special Terminology (Appendix B)
& U8 Q! h* s0 z. ~. \ Patient care area' C) H0 L. ]$ W1 e# T' e4 r
Patient Care Areas, G3 p+ v" C- }" {" r' V
24-106 Receptacles in Basic Care Areas (Appendix B)8 j6 a: v0 K# `
Isolated Systems
% }6 i. e% q, B( P4 W24-204 Single-Phase Isolated Circuits (Appendix B)
/ \1 D/ W) G0 z& d% B; k24-206& R% m1 E% Q1 V
* p# L6 a, y% _/ v9 g
Section 26 Installation of Electrical Equipment
+ H% u' P$ Z! a# L( ^General
. U: Q% l' C. ^# z4 M6 z& ~* ~) l3 v26-004 Equipment Over Combustible Surfaces (Appendix B)
?7 w! N2 ]6 ^! d6 J! m8 W1 N26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)' V& o8 W* M( a7 H) b5 k! e
Isolating Switches5 l4 x" E, r& r& [& h6 n
26-100 Location of Isolating Switches- X8 H, K) D; N$ J
Capacitors: i0 g& Z' f0 h* e
26-204 Guarding of Capacitors
+ N; l3 [: A$ Z! {6 [1 |0 I26-206 Grounding of Capacitors
3 Y4 Y( D I7 _* Y( ~26-208 Conductor Size for Capacitors+ _ e7 y5 j: X+ s
26-210 Overcurrent Protection (Appendix B)0 x! d( I$ Y! s* B, n. E
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
$ s# r' }- F6 f, `- {3 W26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
6 N% F B D5 H- S! e1 Z7 N- X26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits! ~/ F6 m2 N- r9 ^- E# w
26-218 Special Provisions for Motor Circuit Capacitors* `! _% o2 K, v' p# B
26-222 Drainage of Stored Charge of Capacitors L) G. ?* N1 x2 e. i
Transformers/ M2 [8 X9 s5 o4 K
26-240 Transformers, General6 _0 u: R' n% ?7 n. x
26-242 Outdoor Transformer Installations. U+ K" V* e7 M' j& w) G" G r
26-244 Transformers, Mounted on Roofs (Appendix B)- ]. I; n$ G" t
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)4 @' m1 E6 z7 d9 J
26-248 Dry-Core, Open-Ventilated Type Transformers
0 g5 V4 H. D; k* S26-250 Disconnecting Means for Transformers5 j9 l! ~8 k2 ~. j% j
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
- {2 O6 n/ J# C! B! `26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers( u! G7 j- m5 R2 D
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
7 J8 o9 A) f! p4 ]( H" l26-258 Conductor Size for Transformers8 w. j7 T2 G* c/ V! E1 r
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
" H+ t2 E6 X' r6 w7 ?: X26-262 Marking of Transformers
: z3 u0 Z' ~6 Z* s; I26-264 Auto-Transformers) l( \. M( N5 @+ i; M- o
Fences
# U9 p! W; D! v1 x, e+ J26-302 Clearance of Equipment - Table 33
+ l& ~% w! L$ N+ x- A/ H q0 x" yPanelboards
* L1 l4 I5 {" K& }" i" B( j0 |; J2 ]26-400 Panelboards in Dwelling Units (Appendix B)' m" x& M4 }$ R, M9 G
26-402 Location of Panelboards (Appendix G)
1 k% M$ B/ } B0 S7 B% h7 ELightning Arresters
2 U7 M. `+ e8 s8 ^/ @26-508 Connection of Lightning Arresters
: |0 P2 \3 v- b* n* N: XStorage Batteries* s( T h) a6 L) R0 v( K: i2 S
26-542 Special Terminology5 ?# r/ U4 |" x5 Y9 ?2 t4 N* o
26-550 Battery Installation; U7 v% |. e4 y/ O6 @. ]
26-552 Wiring to Batteries1 I: s& l( J. h+ O
Arc Lamps; C C2 k- y$ q: N' q2 [5 I
26-600 Location of Arc Lamps
) T! d$ d6 M, K! V. c26-602 Conductors to Arc Lamps# m! C" P$ F9 K. u5 u7 L8 m
26-608 Globes and Spark Arresters
8 X5 T$ r7 C/ X3 H6 i+ O) {5 f% E( BReceptacles
9 o# |3 s9 }: i7 `26-700 General (Appendix B)
+ d* d4 p" z3 e6 F* h26-702 Receptacles Exposed to the Weather$ m$ y. t, f3 S
Receptacles in Residential Occupancies
8 L9 i4 H/ y& p! ?; ?26-710 General (Appendices B and G)0 ], c5 b9 q9 T; A2 m
26-712 Receptacles in Dwelling Units (Appendices B and G)
% P @% W* I- i8 b1 o* N' P& I0 C Q26-714 Receptacles in Single Dwellings (Appendices B and G)
* Z' [- G9 H! a- J4 z& L' aBranch Circuits in Residential Occupancies1 W7 }4 v [0 h! [7 V( ?: Z( e0 t
26-720 General( M h# F( l( z. s
26-722 Branch Circuits in Dwelling Units% G! v" w- b* L% v9 f
26-724 Branch Circuits in Single Dwellings
5 _" I" ~6 l4 z S26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
$ x# W, y& ^/ e' I9 I% `( n# gN 26-720 (F)
& W5 k( r' A1 x" [+ IElectric Heating and Cooking Appliances
* Q3 w1 h u8 c/ i9 k. ]26-744 Supply connections for Appliances% o5 S+ s9 s& X
26-750 Installation of Storage-Tank Water Heaters" K. L. X% Y& V, W5 R( z0 O! {, g
26-752 Infrared Drying Lamps
% y- O, u0 l' {) e' \! H
+ R& `; @) X1 G! l" gSection 28 Motors and Generators
/ S2 M0 B, o; k6 F$ @General8 O% f) G7 W6 V0 k- i/ D) j
28-010 Special Terminology% J) A: `! L9 R+ ^
Hermetic refrigerant motor compressor# [8 D1 O6 |' l1 h" m
Locked rotor current rating. m/ b1 V; j# V# d) q+ z7 c
Service Factor' h$ n. v+ C0 ?9 ?8 a
Table 44; Table 45; Table-D2
& u G! Y/ c. g2 ~Wiring Methods and Conductors
+ t2 p) m2 K: o6 J) X1 d28-102 Portable Motors( H, D* u! r8 l# Z6 N; q8 p
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
/ `9 x/ o/ T) ~28-106 Conductors, Individual Motors
8 i; t) l- |$ t& a/ z7 W28-108 Conductors, Two or More Motors- H9 ?6 l1 c, i% N" X
28-110 Feeder Conductors
6 S' c6 A2 u; w; t7 Z28-112 Secondary Conductors
$ W5 Q7 q* p# w7 ~% w: m( EOvercurrent Protection: V/ l2 c( A$ _# E
28-200 Branch Circuit Overcurrent Protection
$ H3 b. p: [4 n& z. ]; B28-204 Feeder Overcurrent Protection
! b+ l- N9 Z$ N$ f2 K28-206 Grouping of Motors on a Single Branch Circuit
0 r! ~$ c2 k1 o5 z28-210 Instantaneous-Trip Circuit Breakers (Appendix B)4 M7 i8 h; r& A4 D
Overload and Overheating Protection
' J/ s2 q9 _$ Y+ v( a% g% W3 I28-302 Types of Overload Protection* g. C% L( m( e9 c$ Z" l
28-304 Number and Location of Overload Devices (Appendix B) Table 25& k! ]9 N; a2 f) I
28-306 Rating or Trip Selection of Overload Devices (Appendix B): S$ c1 H. ~% s+ u% ^( |
28-308 Overload Protection Not Required4 b' ~+ f1 O: N( b
Undervoltage Protection 7 q x3 t3 {) H% o
28-400 Undervoltage Protection Required for Motors (Appendix B)
* O0 J x4 r9 {* `, iControl% O) @+ y7 J3 | K! B
28-500 Control Required
) O% P: M8 F3 F6 V; g8 f28-502 Control Location
( C5 Z, _7 v" z2 K) |# g. e+ q28-504 Starters Having Different Starting and Running Position
# E" @4 Q9 @2 e' C# t28-506 Grounded Control Circuit- v4 v1 y* D2 M! ~4 m: y
Disconnecting Means
+ s1 _4 U' n7 O) s. G28-600 Disconnecting Means Required
2 Y4 C9 F9 c: j. h9 R. |; Q28-602 Types and Ratings of disconnecting Means (Appendix B)' t4 o' _* e3 Z! Y5 N
28-604 Location of Disconnecting Means9 Q8 H9 C& S% V7 Q2 ]; f3 }
Hermetic Refrigerant Motor-Compressors
0 Z' U/ ~4 [6 y! S28-706 Conductor Ampacity
; A _9 e; r7 y9 W28-708 Overcurrent Protection+ v- ]; `* l; H+ ?' J ~$ w
28-714 Disconnecting Means5 \, j# R: P X0 A% D
Protection and Control of Generators
7 J/ S- w5 w9 f! w1 ^ h3 m28-900 Disconnecting Means Required for Generators
$ e# i/ u, p# m* i0 }8 R+ r28-902 Protection of Constant-Voltage Generators. C6 b3 a. v, i. H* c
28-904 Generator Not Driven by Electricity2 A& P. O) U& w, t* U
28-906 Balancer sets2 D, X& x. n+ ~3 J
28-908 Three-Wire Direct-Current Generators
/ _/ S) X- D6 l
/ i' \4 Z+ Z# ~% ^* s Y! ]+ ~8 WSection 30 Installation of Lighting Equipment* f$ I! i5 z) O; u) f- N
30-002 Special Terminology (Appendix B)
( f* b4 c Y, b w+ B0 ~General
5 k. B+ C' V0 |2 T. i: {( v/ l30-102 Voltage- E/ T; h$ A% f
30-104 Protection (Appendix B)5 Z& t2 R! ?& v
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment! }2 H, b" G2 [( b9 p% F
30-108 Polarization of Luminaires
; u& A# Y+ a1 P0 B4 c. [30-110 Bonding of Lighting Equipment
6 V+ h# G& C) P& f" vLocation of Lighting Equipment
5 D+ a& W1 E; _: \6 n( h30-200 Near or Over Combustible Material
' l8 d! O- k0 g e30-202 In Show Windows1 U: ^$ S8 M$ ~$ h; z9 k9 L- {
30-204 In Clothes Closets
& [0 ~9 H" u" W0 @4 B8 @, }Installation of Lighting Equipment% F. E4 t: i; @2 f( c+ j# g. C
30-302 Support8 J0 |, x- H5 z3 o$ d9 N3 m
30-304 Outlet Boxes to be Covered
1 E) p' b s8 V$ E O# ?30-308 Circuit Connections/ e" O2 T% K0 g& J# q6 z$ Y
30-310 Luminaire as a Raceway, U, o8 m7 g+ O/ q0 w
30-314 Minimum Height of Low Luminaires
s4 ~- y- H" I5 M30-316 Luminaires Exposed to Flying Objects
: W, f. b9 l) S8 M/ D* k- g30-320 Luminaires in Damp or Wet Locations
1 n5 G3 E6 ~* E) {5 E- Z$ t0 h7 `N 30-3187 e$ V' i$ G) r2 b7 \" o
Wiring of Lighting Equipment
& R B: e* v8 e8 c$ m30-400 Wiring of Luminaires% [& h7 I0 H1 {8 i: G
30-402 Colour Coding4 t. `8 e) p9 }6 [$ u" E
30-404 Conductor Insulation6 Q3 w- X! { X, E
30-406 Conductors on Movable Parts
! F% s$ x6 i8 m# W4 b a# r30-408 Wiring of Ceiling Outlet Boxes
9 N/ r |6 X" O1 c8 x30-410 Wiring of Show Window Luminaires
/ V" q: d3 s7 Y% w* R( A2 g30-412 Tap Connection Conductors
8 X3 c) D1 |6 \+ Y* ^% I/ n* OLuminaires in buildings of Residential Occupancy2 Z& B% ? b! Y% i
30-500 Lighting Equipment at Entrances (Appendix G)
: P* }2 ^0 K7 n- ~' {7 j30-502 Luminaires in Dwelling Units (Appendix G)
( h# Y5 ]- S- w3 N- K; U* f! \30-504 Stairways (Appendix G)
9 ]+ v1 R c7 k5 T% o. j! f30-506 Basements (Appendix G)* x; g3 x; `! p- {9 V$ [
30-508 Storage Rooms (Appendix G)1 ?* N' `. D+ S4 ~) c5 o0 ^/ _
30-510 Garages and Carports (Appendix G)
' W& h9 x! F! J! qLampholders% [2 F7 b) f: \4 Z! j
30-600 Lampholder rating with Incandescent Lamps
, P5 [( D6 A0 L+ ZN CANCEL8 @( r' m9 `- R. D& Z( A" s
30-602 Connections to Lampholders
1 T0 d7 j6 ?! K/ ?4 Z8 ?$ Q$ h- Z6 t aN 30-600
r* G/ t) {+ B& \! ~30-604 Switched Lampholders Used on Unidentified Circuits. D% F) y. [/ [
N 30-602( h' h" o# j0 y5 H8 \6 Z2 u# ^, l
30-606 Switched Lampholders with Pull-Type Mechanisms9 Z4 c1 \6 P% r- b
N 30-604
, S; P+ U- {) Y% j g30-610 Pendant Lampholders5 g3 T" J& e2 {; w# K' g
N 30-6088 I- f6 |) R8 E, v3 E
Electric-Discharge Lighting Systems Operating at 1000V or Less/ m3 ]; g$ n- Z& ^
30-710 Control (Appendix B)
) V2 j% [8 s7 _ ~30-712 Branch Circuit Capacity/ g! g3 }# | O9 U. M& l
Electric-Discharge Lighting Systems Operating at More Than 1000V1 n/ A! H# z1 F* d7 q
30-802 Voltages, Dwelling Units
/ l9 K/ C5 t- m1 F* s) X30-804 control (Appendix B)8 Y8 a# X' B4 O6 _1 Z: i
Recessed Luminaires (Appendix G)
8 |. b: x$ V' o6 \8 U% y0 j30-902 Spacings for Non-IC Type Luminaires
6 d) \ Q* M, |! \# x30-910 Wiring of Recessed Luminaires (Appendix B)
+ C; c& @' w5 g/ [ Z; b3 QExposed Wiring for Permanent Outdoor Lighting
, y' h- E" W O# J# g) D: T30-1120 Branch Circuit Loading and Protection K7 ~9 [$ ]# j5 j/ {( A5 W5 d, A
Extra-Low-Voltage Lighting Systems9 o+ o. [( l0 H' ]
30-1202 Sources of Supply
" h- } a& T$ Z1 Z# S g3 y& Y9 f7 G8 ]# Q, H: U
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
# V4 b7 S5 J8 d9 h. n6 }Fire Alarm Systems' r( W3 e$ G* {; @& [: l. Q
32-100 Conductors6 }3 S: f' ]% P* O$ W! S
32-102 Wiring Method% Z) a, e9 m' m# [: _3 }9 S
32-104 Equipment Bonding. x0 G7 f7 D) U+ P$ p4 l) D
32-106 Electrical Supervision1 J' s E! X1 ~# N3 ?
32-108 Current Supply4 i7 k2 x& E( f( Y2 m( M
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)$ S# @ e% E1 {# \7 j& b
Fire Pumps* a H1 ]2 m' M
32-208 Overcurrent Protection (Appendix B)
) J! e" ~4 A7 |N 32-206( }* ]: d$ M( E( ^# M
32-210 Overload and Overheating Protection (Appendix B)2 H# ?* D5 R/ v4 o
32-212 Ground Fault Circuit Interrupter (Appendix B), b ]% M/ }2 E
5 I( ?# K$ C: W% N
Section 36 High-Voltage Installations- P' s+ c V* j) R
General
4 C% G# Q6 y% Q) k36-000 Scope (Appendix B)4 g- J# J& e) \+ W' U7 R) r+ r
36-006 Warning Notices- \+ y2 t4 ?2 N! c9 |2 k4 e
Wiring Methods
) B& y0 ]; D+ U! o5 d# C7 A' {36-102 Radii of Bends0 [8 u9 w8 k7 V& u$ V, M
36-104 Shielding of thermoset insulated conductors
# X) x& ]7 S3 t- w V8 P36-108 Spacing of Exposed Conductors (1) table 30, table 31' b0 J5 i4 e) X( U- ?/ l& U
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34( {' e4 w9 t$ |$ s
Control and Protective Equipment
3 v$ K4 X: `) T36-214 Disconnecting Means
' a, S5 {5 B# a+ g" D# v9 S+ a& K Grounding and Bonding. h$ @7 E" a/ z0 h9 X2 M: y0 _
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
6 _) X9 c; t* a: Z36-302 Station Ground Electrode (Appendix B)
$ p) `" F5 k7 u/ t4 q' N36-304 Station Ground Resistance (Appendix B)& U: E8 D, S- d3 ^5 E) U# ^' @2 p, K
36-308 Connections to the Station Ground Electrode (Appendix B)& V& ?6 r3 R6 b* n' m
36-310 Gang-Operated Switch Handle Grounds
D, z% Y/ s- T% C5 F( L7 {% T* r36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
$ i5 w7 v( v9 a. M! ]( H! X$ p# |: x" h" P! P% r$ d- t* L
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment9 l# A0 R) X6 A* s" {
38-002 Special Terminology (Appendix B)
! O/ H7 i3 R4 b' o8 d38-003 Voltage Limitations (Appendix B)+ A" m5 h4 m2 R7 a
38-004 Live Parts Enclosed
9 w* l% X" k8 M' ?# \38-005 Working Clearances3 O* x& J& s: c% h
38-011 Insulation and Types of Conductors
8 e. E1 Q& S) t38-012 Minimum Size of Conductors
* G" ~3 m1 c4 e7 N
$ w5 b8 p5 Z; a, g4 P% u3 fSection 40 Electric Cranes and Hoists0 B" D+ F& r4 I" y' S7 E" X9 c
40-008 Disconnecting Means3 ^$ F8 T6 E6 P- e% t
40-010 Main Contact Conductors
* |$ U* }8 o# V# b' R
2 w2 f6 T7 O) Q. a3 }# e1 dSection 42 Electric Welders
3 w1 Z! [* E' E1 B8 {# lTransformer Arc Welders( _4 O+ l* b, ]0 P; a
42-006 Supply Conductors
$ v. R# ]+ L: \. ^- |* ?+ h
$ f& E. p+ z3 w* G0 |' iSection 44: Theatre Installations+ K3 ?$ J1 Y$ c2 J7 d! \1 J% L5 r- O
General" B! a& i, u$ f, Y7 D! L& Q
44-104 Number of Conductors in Raceways
8 P* V( y; K5 o7 K+ W' v44-106 Aisle Lights in Moving Picture Theatres9 R# r e* I/ X$ E
Fixed Stage Switchboards
. a* ~* t5 D: N) Q7 y44-210 Overcurrent Protection; M1 u% z& c0 T8 {8 G1 Y
Fixed Stage Equipment: C; F* H% X8 A
44-324 Receptacles in Gallery Pockets
: Y, ?( _: S% ^$ m2 x1 M2 u" {44-326 Receptacles and Plugs# F* _* s: g& Q! B
) y: ]) {( d$ KSection 46 Emergency Systems, Unit Equipment, and Exit Signs
, U6 `8 ]6 {, ~- NGeneral" E. m9 |& ^3 F9 T" }1 ^
46-102 Instructions
' a4 E9 R8 R' {% r {46-108 Method of Wiring (Appendices B and G)
+ w8 g& f" }6 cEmergency Systems( M% Q9 _& X% H: j* h- ?& l$ `3 K
46-202 Supply (Appendix G)
* a4 Z; o: n# m9 C% U# u5 K. \46-204 Control
2 ]1 u1 N; w2 E! _46-206 Overcurrent Protection
& [/ T# y6 f, D8 V1 [# N46-210 Remote Lamps
8 E! V s" Z1 ~9 t. GUnit Equipment% W! b6 Q2 e+ m/ W, i! u
46-304 Supply Connections- u1 T+ ~0 _* N
46-306 Remote Lamps (Appendix B) D. p& h# P) {- u: W
Exit Signs
1 n8 f. Q" o+ z" `46-400 Exit Signs (Appendix B and G)- B% o2 }& n4 M) J9 x) T
$ |3 v7 v0 D% n9 ]3 H5 S uSection 54 Community Antenna Distribution and Radio and Television Installations7 x7 a# i5 P7 m: i6 Y
54-000 Scope i. `9 s- w7 n# Z
54-004 Community Antenna Distribution (Appendix B)6 U0 P; f" v2 `& b% t
Community Antenna distribution
9 Q( R: L i# z6 S54-100 Conductors
& g' y1 T: d) Q4 @3 n6 B54-102 Voltage and Current Limitations (Appendix B)5 H4 ?7 Y/ e2 K8 D U
Protection
4 z( x* B3 F/ g54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
( D" V% }( A& i2 t! ^. y/ IGrounding
. n$ \5 O" h$ n8 _; x54-300 Grounding Conductor7 m) u$ h: a6 a- ]- Z5 L
Conductors Within Buildings
) j: s% ?2 T+ ?54-400 Separation from Other Conductors1 }/ N k/ T* q s+ {; H
Equipment4 G- t& `0 ~( Q- J0 K( ]
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
* Z5 a4 G0 W7 F5 e# `0 i54-502 Exposed Equipment and Terminations' w3 Z9 U- t) q& n# K4 G) p
1 d9 p$ R: Q/ g+ R
Section 56 Optical Fiber Cables
" ?% K/ m* |: ^General4 @4 |' E) m2 i4 n8 V9 j6 e3 l
56-100 Special Terminology! E/ @- ~5 i* |
56-102 Types. c. a& O8 V( W7 |
Installation Methods- S) t- H5 k! c) K- k, o$ y& G( n
56-200 Nonconductive Optical Fiber Cables (Appendix B)
" J7 [9 E4 X/ n* X56-202 Conductive Optical Fiber Cables (Appendix B)
4 l5 t$ _' G) R6 y5 T5 r# @8 |; a56-204 Hybrid Cables
9 ]0 b# b) B, R/ Q' J2 a) T" J56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
: h5 m$ _ p6 O }) _( H1 j f. g/ ^4 ]/ Y( ?
Section 60 Electrical Communication Systems5 b* n7 g) @3 r
General8 o% k' p+ q8 f5 f2 ?
60-100 Special Terminology
* h4 {& y5 h# z F7 T7 u' PProtection; U& y4 a: Y! L& d; Z( d1 r1 Z
60-202 Primary Protector Requirements
+ D7 b3 ~) M' b0 K, XInside Conductors; t1 N% W- ^( L; J; s; U5 h
60-308 Separation from Other Conductors6 w5 N3 B, r1 t' V' R2 ^1 D( r! F, C: o
Equipment- l. @: A$ \- G, \5 F* V
60-404 Exposed Equipment and Terminations
* a' l" c6 P0 A, ^3 B/ JUnderground Circuits/ N, T7 g0 @0 z" J
60-600 Direct Buried Systems! m0 y8 `* g$ a! f: |
' K$ T' L0 ~- a8 P3 h- x# PSection 62 Fixed Electric Space and Surface Heating Systems
* s# W6 M ~5 q$ D aGeneral9 h, t1 j$ H; O) v, y
62-102 Special Terminology
9 T" {& Q" |3 x' Z9 C* q9 n& c62-108 Branch Circuits
0 Y2 }' l, T% g( q* J: F; b3 P62-110 Installation of Fixtures6 {. n$ `1 c1 n) K P
62-114 Overcurrent Protection and Grouping (Appendix B) (5)' `3 D9 j2 w3 v y6 n
62-116 Demand Factors for Service Conductors and Feeders (2)
, j! o$ o0 f( ^& S62-118 Temperature Control Devices9 q' h' k7 }+ A
62-122 Installation of Series Heating Cable Sets (4)(7); q7 Q2 e# L1 i# i0 X1 Z! b1 @
Electric Space Heating Systems# ]" l% R; y# q: ]
62-202 Temperature Control
& w: Q- J* p9 ]62-206 Proximity of Other Wiring (Appendix B)
- H( j# [5 M1 T% O" r) \62-214 Installation of Heating Panels and Heating Panel Sets
0 Y' V0 s6 U# w- N3 R6 J; J7 `. B4 |62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
9 a B8 n# ]% |6 p# O1 j( p6 J6 X6 Y62-226 Installation of Under-Floor Covering Heating Panel Sets
& k' Y2 W8 J/ O7 v, KElectric Surface Heating Systems
- {; p. o% X* @ l62-306 Heating Cables and Heating Panels Installed Below the Heated Surface+ v: R1 f! a( ]2 T4 G3 ^6 r
1 G N: ?$ A1 V
Section 68 Pools, Tubs, and Spas
- a+ i3 u1 \8 ]; [General
2 p8 m& I# f: c3 u- f) c5 L68-050 Special Terminology
' A4 j9 }8 Q* Y( o68-056 Underground Wiring - Table 61
! ^3 K: H# W5 D* x+ p+ T3 v68-058 Bonding to Ground (Appendix B)5 M5 b# p" C( c( F: O- [
68-060 Junction and Deck Boxes (Appendix B)
4 L9 C, ?$ @7 n4 n. e3 q68-064 Receptacles
( I6 M& |" C2 ] G+ \& X68-066 Luminaires and Lighting Equipment
% W8 D" }1 C* _" J* X68-068 Ground Fault Circuit Interrupters (Appendix B)3 D. x q k/ T4 p+ [ e1 j$ v
- W% V* J8 ]0 m2 G; a8 N' ]4 d% e! @" }
Section 70 — Electrical requirements for factory-built relocatable structures and ) `4 F/ e; c- v( K' P
non-relocatable structures9 e* ]: e. n- w) ~( p7 @) |# j! Q
70-130 Tests (see Appendix B)- M7 h. z* @, _( |& ]6 y- u! l
1 I6 f. C! E" Q
Section 76 Temporary Wiring (Appendix G)# I8 x) x" A* o9 W8 L0 L8 B
76-004 Grounding& ]& H9 t2 Q9 N6 A, ] [& M3 T6 S
76-008 Service Entrance Equipment6 ~% z" R9 _, B( ^ ^, w
N 76-006% I6 G1 W: _3 M
76-014 Branch Circuits
, J; |& Q' Z3 o: A$ x3 Y% aN 76-012# G2 [4 E9 ~3 ^2 f
3 j* [, m- @5 R" YSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
- C4 Q# y' Z; J) iMarinas and Yacht Clubs/ V' b ]: Q. {! I6 N9 N; a
78-052 Receptacles8 a9 n' P8 p0 i& ?
78-056 Feeders and Services
8 \/ v8 \6 E7 R. B6 F7 GMarine Wharves, Structures, and Fishing Harbours
6 Z" P) V4 ]9 ?1 ]8 {9 g/ _78-106 Grounding and Bonding
$ ^% G; `, E) ~" T2 r, FTables
% d3 h3 f( A& q1,2,3,4,5A,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/ T' @- ?( H, B, z% S7 o7 N: j4 v
' Y1 A+ X% b, e4 W* }2 tDiagrams: 1, 2, 7
, p/ t8 `. V1 _% d% v# r
" d1 V5 Z) ?# S" PAppendix B
$ T% E6 n' X9 \& [& S; I# F( mP352: Ground fault circuit interrupter- 6mA
/ j V) \7 R/ f4 I5 Q3 o5 `6 PP354: 2-126 FT1, FT4
6 ]# [, ]% N- A4 VP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
5 I2 g1 w3 A" fP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
2 {* z5 ^% v7 |3 {9 B8 dP370: 12-1012, 1118, 1214 Example:
/ r$ ]9 @2 y( U0 D, k6 e- kP371: 12-1108
2 j: s8 p$ {" @ @6 sP381: 18-108(1)(b), 18-158(1)(b), r6 |& X9 v) C9 G
P386: 24-206
4 U8 H4 _# J# J* A5 R) wP389: 26-256
' D5 Y/ X3 p1 j$ Y9 x: CP391-P393: Section 28, Example to determine Motor Conductors and Protection8 I% l+ A8 |4 q6 V Z
! f7 e8 o1 e6 m0 SAppendix D
0 a3 h" |+ Z o/ m/ t* C6 N, M) d! rTable D1, D2, D3, D4, D5, D6, D7, D16 |
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