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Canadian Electrical Code Review Guide
' y: O8 K2 Y6 d4 }( y( xFor the Exam of Electrician For Red Seal License
/ S) h* L9 l' ~0 E7 e7 o
7 N$ V+ r8 n$ a+ U$ Q' NLesson One
. q" C0 x% M: E$ L3 }3 {) P3 `# ?Section 0 DEFINITIONS" {5 S$ i: C' g; N+ q
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:* {9 K0 |4 G: F( G
Accessible as applied to wiring methods
; R4 G0 `. }& s: l7 ?& S. j+ UAlive or live
8 [9 F/ g3 ?1 U6 z( h" `Aluminum-sheathed cable/ m" M: n2 B. s
Ampacity9 `6 d; j' `: v, n( e# f T( M
Authorized person
1 _8 T# K% j# G4 o Z4 tAuxiliary gutter2 V# T4 W7 r/ B5 f2 G; e
AWG
6 ~# R$ p8 l$ C6 FBonding( O: ]& [6 |6 w Y! E* j
Cable tray
! Y. O& x1 P; O. R; o1 p% o9 hCellular floor; d$ ?( _; }$ L8 r' m: S
Branch circuit
' K8 D1 C# e5 w! h# j! b |. DBus
3 |; B# I6 \9 A7 a. x. R5 WBusway
2 ^9 {1 t& s* U3 Y( `% Z! T7 ]! jCommunication circuit. K8 c% V& b3 G7 k, ~; X3 W
Extra-low-voltage power circuit
% I$ g7 G+ @+ [9 p5 B W$ E$ VLow-energy power circuit
$ m0 L6 B& Y. Y1 @$ uMulti-wire branch circuit
) n4 d% T( x# n0 x L# l* `Remote control circuit
% v. _# {2 ~( h2 U& Z& V, XSignal circuit
) R3 }% Z" i6 ?2 J2 s/ C. f( xCircuit breaker
; U( w) c0 J# Z& U& EInstantaneous-trip circuit breaker# m8 \# w' W9 v" U+ N9 P# h
Conductor
+ I$ q, c, R) qConduit) R- H6 e" Q8 X
Flexible metal conduit
( \+ Q3 j& s g/ _2 p' ~5 H- b# E9 u Liquid-tight flexible conduit$ u) ^& F1 a S! }
Rigid conduit1 ]/ ?. [2 i$ y3 J3 a2 T, d
Rigid metal conduit
. S8 _3 N$ L* _1 W Rigid nonmetallic conduit
: p1 [8 V# B F& |0 C Rigid PVC conduit% I& @, h& O' v
Connector" i- r6 X1 f* @) o9 u! z( P
Box connector/ j9 z3 m: w5 t7 d8 ?! {% G
Wire connector
% P$ U }& t0 ]5 VController I K4 q3 c* I% D( T: m, p
Disconnecting means
" T. K6 H9 P7 W. L4 {" [4 MDust-tight( P' f. P$ i$ l3 I
Dwelling unit5 W: }- k+ Q0 Y" r. V$ K( z
Electrical contractor
# z, J" I+ E& W+ @9 D. s" o9 fElectrical metallic tubing
/ g" k6 P* r, H6 U! j6 |Electrical nonmetallic tubing
8 d% d" h, z7 PEmergency lighting# z6 |1 O6 W. @2 ~
Explosion-proof
8 y9 x- n5 F3 v( a( n+ x c2 MExtra-low-voltage power circuit
* f+ w* Q% ^- t% VFeeder `: B8 R% _ m5 ?
Flexible metal conduit
' X0 @6 M7 S8 h: `7 P8 ~Ground
5 V) ^0 v" s3 @& YGround fault circuit interrupter) E3 P9 e6 F& F# j
Grounded
$ C( O4 K2 I& |3 }+ d0 F3 gGrounding
3 p4 t6 x8 }% v. u1 \& H* |; |Grounding conductor5 W0 r4 T# ^: @
Grounding electrode
$ ]# z/ h5 G/ b, p+ g7 U; WGuarded
) }: v+ r) A! Q/ P3 `- N8 {* j9 fHoistway
! F+ j/ Y6 L \. u( ~8 R) yIdentified+ |9 i" g) L9 S2 K2 s
Lampholder
K1 L8 N0 R- ]2 u% n qLow-voltage protection u3 c2 o+ D/ _9 B- q5 b
Low-voltage release# d: D m# |- o% F8 P3 Q/ D
Neutral
% I5 N7 o& i/ b; hNoncombustible construction5 d6 _; I9 J3 c, v [, ]4 D
Outlet
6 u, N" m! M8 y& iOutline lighting
8 E( Y h0 l6 H) @: ]' l( A2 yOver current device
9 g# C. _2 t9 tOverload device
! z7 [2 ?# r. i- C0 z! O( u q) IPanel board' d u7 P/ t4 {3 R: w, l* l5 C
Panelboard, enclosed% }" k3 n' g) b
Permanently connected equipment! ?4 b$ c; v9 x8 G4 t, K
Permit6 x! t( J1 t' Z* Y' N; R8 s
Plenum
, Y: K5 J; ?) ~2 s( s. v' d' sPortable as applied to electrical equipment
, r' U7 ~" d. }$ h9 b# [+ [Portable ground fault circuit interrupter
! Z& C) M+ L: i0 T4 [, \Power supply cord
) A K9 B3 C( C$ IRaceway
3 m( C& X5 x9 j5 {3 OReceptacle
2 @3 }4 P. o8 H! h" X9 C Duplex receptacle
$ m, Q+ H% q' ]& D4 S Single receptacle
7 @( x0 ]( f& ` Split receptacle
8 x7 R9 @' f& KService, consumer‘s* \% i1 n+ h. C+ `5 ?: b
Service, supply
/ r" j2 @ G, Z! F9 TService box
5 A) w) n: w9 _ i1 \1 ]( _Service room$ n- l# j- ^' P8 j
Single-dwelling
) C+ e. b, B4 @& V8 }Slow-burning as applied to conductor insulation% R9 i$ S* t1 }. Q) B7 t* a1 `7 N3 p
Splitter) M3 F ~1 U9 H8 S% `% Z: F( y
Starter4 \- v8 z; ?- O, W% X* M4 Q# m
Switch
9 X! t3 `2 `5 F General-use switch
# y ~- i$ l- B+ H: Q Indicating switch5 g2 D/ r6 b6 `
Isolating switch
8 ^7 R- W% G/ d1 b: L Motor-circuit switch6 \5 j! f; _% J" v+ |8 b
System3 S/ l8 }+ J! k5 o
Communication system5 ?% z8 \6 e2 e- J+ n0 z
Community antenna distribution system(CATV)
, F" s0 |- M, @& g8 H9 I Grounding system
S! ]: X1 S2 x3 ?Underfloor raceway
& d. R! d( v4 v% S' BVoltage:
v' d/ M" v: h6 M Extra-low voltage$ h' s- S2 f- H
High voltage
4 z$ O6 l0 v5 Y% A Low voltage; t# S+ R( r- ]
Voltage of a circuit
) M6 F) e7 \# x& l8 CVoltage-to-ground
) c( [- l" A& I# H v ^Wireway0 G8 n4 M2 h$ K- e, \2 a
5 O) U! p& u' n; q, g6 nSection 2 GENERAL RULES3 e* c7 w1 K8 k" P( G4 x( w- V
Administrative
v9 |$ Z9 A' c% c p2-018 Reconnection
# v, b. Q4 \" K- V2-030 Deviation or Postponement
; f6 \3 ], N1 B0 `Technical General
d. H4 t% ~( v4 v7 N3 l k2-106 Circuit Voltage-to-Ground – Dwelling units( r, B2 h g6 Q- [% `$ x6 N4 J
2-114 Soldering Fluxes A* e" Q5 w& ?9 i& f3 k
2-116 AWG Sizes of conductors
7 C4 d! e) v+ R9 l* b @2-124 Fire spread (see Appendices B and G)
1 W5 Y7 w- ^+ x9 J5 n; \2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
( t0 u3 n. W, TProtection of Persons and Property
7 w" B8 F$ [$ ]# H+ z2-202 Guarding of Bare Live Parts
# h7 D3 z" L2 \3 ~Maintenance and Operation7 e6 F: G* t; F' h: @
2-304 Disconnection
) J9 ?* E. `) D1 o% Z2-306 Maintenance of Live Equipment
) C) T3 W4 z, `7 ~! V4 h# TN 2-306 Shock and flash protection (see Appendix B)" Y: `4 z. W% g8 g2 h9 q
2-308 Working Space About Electrical Equipment: Table-560 t" D4 v1 ]* [: k6 e/ H
2-310 Entrance to, and Exit from, Working Space
6 Z `+ D; b5 c/ _* [2-320 Drainage2 Z/ C4 Q& X* Z. q
2-322 Electrical Equipment near combustible Gas Meters and other Devices
: t4 _# U; O4 _" [1 O8 m* xEnclosures* g+ O) f* k* X+ c s$ W; |7 h/ z
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
* n. D2 c' |- G2-404 Marking of Motors: DP, WP, TE. Q2 e+ B5 ^/ c* @
; p% Z- n$ r$ @$ H4 vSection 4 Conductors
' Z2 G/ F( o4 h' M7 s4-000 Scope" y& Z! ~" U4 |# W# r) x3 B
4-002 Size of Conductors: 14#, 12#
/ Y; c/ x. Q; ]$ \4 @$ V( L2 J4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36) `9 {# {) K- x& A8 P% x
4-006 Insulated Conductors: Table 19
! ~" U9 o$ C/ n: J' p. z4-010 Uses of Flexible Cord: Table 11
! S' f' I/ l* w# }) q% c2 d2 G4-012 Sizes of Flexible Cord; ?. g; h4 p) B% }2 ]! \3 S
4-014 Ampacity of Flexible Cords: Table 12- y/ G% F3 C* g& q- f: Q
4-018 Equipment Wire
" G/ d: | _& K9 f$ B- P4-020 Insulation of Neutral Conductors: h) V- R; |$ q
4-022 Size of Neutral conductor, Y/ V u5 T8 N1 C2 i6 n8 b
4-024 Common Neutral Conductor- d4 m+ p7 `: x
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
' y0 J8 t r5 T4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
* @1 p8 d3 u" {. A) _3 v4-032 Identification of Type MI Neutral Conductors7 ^( m, v3 f1 Y; Z7 |* h
4-034 Use of Identified Conductors& w( e6 @; S/ T
4-036 Colour of Conductors: Phase A, B, C, …
! e& G0 k) g$ O( O7 \7 i c6 c
- V, q! ^0 k$ {! [( RSection 6 Services and Service Equipment
) a" a& T& R T# L0 l7 Y, m- v( ]General
) Q% L( Y! [( j6-102 Number of Supply Services Permitted
( |8 W3 f0 ^- I" i% ?( Z6-104 Number of Consumer’s Services Permitted in or on a Building
" V4 d& }1 p) B6-108 Supply Service from an Electric Railway System
- [ ^4 q2 b, @0 f; ~8 {4 v6 L. T/ Y3 y6-110 Three-wire Consumer’s Services 7 [" o0 h9 Q5 H# \! C9 e% e2 v4 x
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
! ?( Z6 W4 E. X5 x5 B7 }* w6-114 Methods of terminating conductors at consumer’s service/ o' x& z& N9 c# M* H3 h
6-116 Consumer’s Service Head Location
7 E0 c2 U# ~8 D. ]Control and Protective Equipment
/ B) ?" A+ [) Q6 r6-200 Service Equipment
" I- a" {) Q# o! ^* D6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)6 M9 L7 ?4 I S$ ?5 k8 R- |6 w
6-208 Consumer’s Service Conductors Location" |. x# U; s1 Z/ m$ H* S% Y7 k
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches, p+ c8 c+ x7 C: s+ ~' v
6-212 Wiring Space in Enclosures) A f: d" m5 m
6-214 Marking of Service Boxes
@# ~) E" R) o8 f2 @Wiring Methods
8 m- J4 _) [: T: u% e0 m6-300 Underground Consumer’s Services8 g' L" [* E. @
6-302 Overhead Consumer’s Service Conductors
9 ^$ Y- \- |! X# S6 B( O& N6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
; d2 Z0 |( q0 l; i7 J6 o1 W# y, `6-306 Consumer’s Service Raceways
. i0 ^' r) g: u6-308 Use of Bare Neutral in Consumer’s Service' R" @$ A3 R. ^3 @4 p8 ]+ X
6-310 Use of Joints in Consumer’s Service Neutral Conductors' O7 ?- F- n7 m+ r, Q& l
6-312 Condensation in Consumer’s Service Raceway
3 Z4 j: I+ z( Q; @$ QMetering Equipment7 ]+ X8 D: C* t& A
6-400 Metering Equipment" g( O. l C6 b$ L8 p# l' |3 b
6-402 Method of Installing Meter Loops
& w# W7 ~! U: T2 s. k6-404 Enclosures for Instrument Transformers
- Z/ B/ M J* Y3 g! ^4 O9 p6-408 Location of Meters
% R- s+ N- I& n+ a. U4 c% ~; d; r- D# Q) \- T8 v
Section 8 Circuit Loading and Demand Factors
4 O' e) U' O* l, Y) s6 VGeneral5 X' Z0 r5 Z- R [5 L7 e
8-100 Current Calculations% M& y$ d$ X/ K3 m. ]9 _ Z5 o' b/ a
8-102 Voltage Drop ( see Appendix D)6 v9 M+ ]# j) ?; {
8-104 Maximum Circuit Loading
! I/ t, T% |- ~7 l* w" E8-108 Number of Branch Circuit Positions
. f3 p. [8 j1 ?8-110 Determination of Areas g& V. |# z$ Q6 H
Services and Feeders% d9 ]. Z- a8 A, [ ~
8-200 Single Dwellings (see Appendix B)2 c. V9 S* ]# g9 K
8-202 Apartment and Similar Buildings$ x8 E$ B3 z& P; X. k8 _( J
8-204 Schools
7 ]- E7 r& I+ O( S+ `5 U8-206 Hospitals8 B# Q7 Q$ P q! Z" w9 _
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy; \; [9 p+ |; P- S% F5 s" K& s
8-210 Other Types of Occupancy (Table 14); t8 A$ o& Z" \
8-212 Special Lighting Circuits! p+ ]. m4 [6 N k8 y
Branch Circuits
' C7 B9 ?7 F$ Q3 \% m4 J8-300 Branch Circuits Supplying Electric Ranges
1 S4 v" i+ ]" K2 }9 |. v& x; X6 `" ~7 B8-302 Connected Loads
6 u; ?) {, `4 b5 X% t
8 D/ {. d8 U2 O3 \ MSection 10 Grounding and Bonding
. p& S$ t0 U) L- B( r) o; k+ C7 NScope and Object
; ?0 a% ]6 p8 h2 X$ J* E$ z% q/ b10-002 Object$ s4 |0 B2 ?5 n. ?6 H. x5 ]
System and Circuit Grounding3 `6 H) [$ s5 n, e. V2 @( C
10-102 Two-Wire Direct-Current Systems
. R9 D- O L8 W: f10-104 Three-Wire Direct-Current Systems- u: J4 u. s* m& R- \+ K
10-106 Alternating-Current Systems( [# f7 `& ~4 g# [ Z3 [2 X
10-110 Electric Crane Circuits
/ u; M g) Z6 C9 N0 d' W" a10-114 Circuits of Less Than 50 V
: q6 ^: J7 I3 F4 J8 n/ J10-116 Instrument Transformer Circuits7 r. \! Z3 d; h: J
Grounding Connections for Systems and Circuits
+ i; s9 Q. m! e& m; Z10-200 Current Over Grounding and Bonding Conductors
% B, j( j1 a4 ^; P, u \7 m10-204 Grounding Connections for Alternating-Current Systems0 r; v- `6 [( j, _' |
10-206 Grounding Connections for Isolated Systems
' m9 X4 H$ F1 R. c6 ?: |) d. o10-210 Conductor to be Grounded# I) w' J6 {, R4 O2 k8 w
Conductor Enclosure Bonding
) w# t: N6 ]' @4 p! h6 K10-302 Other Conductor Enclosures
) t+ M! B I4 vN 10-3047 ~' a7 A) k& v5 u% X
Equipment Bonding
( R! d2 e: Q6 g! m8 [, e! Q10-400 Fixed Equipment, General( E% K3 u3 o* D, o
10-402 Fixed Equipment, Specific (3), (4)( c: m1 G+ Q( ]& V: Z
10-404 In Nonmetallic Wiring Systems
5 x+ l, @; Y6 E9 B; O) v10-406 Non-electrical Equipment" e3 v& O K- ^8 ?/ K
10-408 Portable Equipment (4)(b)
+ [# `; J5 m3 {0 f% X10-410 Instrument Transformer Cases
N2 n2 p9 o8 J$ e4 a# n10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
+ j7 P( E- [" w/ p/ ]4 k; T8 n10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V3 a* F* y1 z/ B2 x2 w
Methods of Grounding r, ` ]' f+ b8 C
10-500 Effective grounding (see Appendix B)
. A0 N# g4 `+ o. I. X10-502 Common grounding conductors
: o- w+ m$ x% y10-504 Common grounding electrodes
+ s# _0 k/ D5 C0 b! \" g% R) z/ UBonding Methods
, k* L; s* h4 N! a: n10-600 Clean Surfaces# G; c% {! | y; ^& ^- c
10-604 Bonding at Service Equipment
- f0 X. s* O% Q0 j ?10-606 Means of Assuring Continuity at Service Equipment
- E ?2 G- b% f) I6 l10-610 Bonding at Other Than Service Equipment
) V! m0 h; t; `' q* Q+ Z8 Q10-612 Loosely Jointed Metal Raceways
! ~- ~1 p) w+ ~7 w4 Y5 O3 h10-614 Bonding Jumpers Table 41) B4 T5 m& ?' j" e# x1 F3 G
Grounding Electrodes
- g( \9 m1 G; I4 x2 U3 k10-700 Grounding Electrodes
. n# U3 f1 \+ B; A9 y$ n10-702 Artificial Grounding Electrodes- t, `1 I6 m; {' f
N 10-700 & 10-702& F0 n. ]! a+ Z8 T% w x/ d
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
% s) ~5 n# r2 z& E( f, xN 10-702
9 S1 ~, A5 S) w" f# n10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
& m( o6 N: j8 AN 10-7020 \8 r8 Q' L0 q0 R2 d1 B7 H( b
10-710 Use of Lightning Rods (Appendices B and G)! P0 j/ r3 q: [; u Q
N 10-706
3 I: @% }8 F1 f+ A6 RGrounding and Bonding Conductors
* G9 B/ K0 T0 D+ ~" S10-800 Continuity of Grounding and Bonding Conductors
& f4 n- K; ^+ G. R10-802 Material for System Grounding Conductors
# k4 [3 a3 K6 ?% n, S10-804 Material for Bonding Conductors% p4 d( v' Z9 s. x: a% k
10-806 Installation of System Grounding Conductors5 q- r; i8 s% @* m9 m4 {
10-808 Installation of Equipment Bonding Conductors
2 _8 H/ M: b# I" U8 B4 V10-810 Grounding Conductor Size for DC Circuits
2 r$ c4 C( Y) ?1 f( n0 C" V, ~10-812 Grounding Conductor Size for AC Systems (see Appendix B)6 }; T5 O' R' O& [3 g
10-814 Bonding Conductor Size (Appendix B)
" W7 l6 e" c& [9 s10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
2 I4 Q: }3 q- n# [; _% \$ `" Z10-818 Bonding Conductor for Outline Lighting- T: I2 |+ m# K; p
10-820 Bonding Conductor Size for Instrument Transformers9 a/ ^& a& g% ^. D# u( Y0 U; V
Grounding and Bonding Conductor Connections: V" ~; a J A1 G! @% v, }4 N
10-902 Grounding Conduct Connection to Water Pipe Electrodes
) o2 J' A" X2 a8 N# r2 b7 t10-906 Bonding conductor connection to circuits and equipment
& F" i* d/ \' F7 i3 }- S10-908 Grounding Conductor Connection to Electrodes
0 L+ a+ \. [% _, mLightning Arresters
+ P8 C! X# N* @' w10-1000 Lightning Arresters on Secondary Services – 750V or Less) ~4 `% {# Q% j, k3 Q5 X4 B
2 E9 [: z9 W% B9 x, N& BSection 12 – Wiring Methods
3 G3 e2 `6 P( R. vScope
0 M$ S) }, k3 [$ d, T& r( U0 g( e12-000 Scope (Appendix B)
" S6 L# N. F( `) a+ g+ aGeneral Requirement
) f, S( s8 ^& q. n( r* I/ a12-010 Wiring in Ducts and Plenum Chambers' o; O1 z$ E0 k9 G! X
12-012 Underground Installations (Appendix B)' h3 g* v& B9 G: w+ v
12-016 Lightning Rod Conductors9 y$ a, u2 N+ Y9 J" g! i- Y$ t
Conductors - General
- ?1 H6 r6 H& V: W; D& i& l0 V12-100 Types of Conductors (Appendix B) Table 19
2 v- i8 ]! X5 i( M! o1 @+ w# N12-102 Thermoplastic-Insulated Conductors
4 o4 I% p! F; K0 }9 h12-104 Flame Tested Coverings& N. t( ?3 f! m3 w N
12-106 Multi- and Single- Conductor Cables
4 R O% y+ [7 c; Q) w' D* V, M12-108 Conductors in Parallel (Appendix B)
z/ I- U0 Y' B- d. g! u3 l( Z12-112 Conductor Joints and Splices
% j# O" R$ P- D- @9 w12-114 Ends of insulated conductors" ]+ E! _: C: j2 _2 g4 I( s
12-116 Termination of Conductors (Appendix B)- N3 p1 X6 z" r6 c: D" `
12-118 Termination and Splicing of Aluminum Conductors
% A5 ~3 s8 @& r12-120 Supporting of Conductors - Table 21
% Z# i$ j# W5 l) E! |( {- |Open Wiring
. O8 t/ \3 F, u* U$ ?2 r. E12-204 Spacing of Conductors
8 y$ {/ \# ?% r12-206 Conductor Supports- Y0 J; A. U/ p6 w+ t8 b/ \6 Q
12-208 Conductors on Flat Surfaces
v9 \* ]# y( y5 ?& |- n( g12-212 Protection from Mechanical Injury% m8 v1 S4 _6 Q. a/ h4 C6 b/ x9 T
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises- C8 A: Q! T+ }: s! N0 \
12-308 Minimum Size of Overhead Conductors. K* @# t* k3 K, w* p. l, \
12-318 Use of Neutral Supported Cables; m' P) a+ h% Q7 j' s. n, w
Nonmetallic Sheathed Cable
. O& X3 ]6 V9 S5 h' ~' a12-502 Maximum Voltage
- a4 k n4 {5 M7 }12-510 Running of cable between Boxes and Fittings (Appendix G)% Y& w( v# X8 c1 E7 y
12-514 Protection on joists and rafters
% p5 B7 H- b7 ?3 }& G0 l l12-516 Protection for Cable in Concealed Installations (Appendix G)* f3 w5 n9 m1 w9 b; D
12-522 Where Outlet Boxes Are Not Required
+ s4 ?( O3 p5 }- K6 Y& ^Armoured Cable
; A4 \) K3 _. n12-602 Use (Appendix B)& a* ~$ k" g, c
12-604 Protection for Armoured Cables in Lanes+ g9 s( x& ?2 b8 L# ~3 I( s) A, E3 |+ y
12-606 Use of Thermoplastic Covered Armoured Cable
+ C6 I' D( x4 s! `- M/ }12-608 Continuity of Armoured Cable
' h$ J. C5 S8 b; z" i12-610 Terminating Armoured Cable
9 w9 Z/ \; h7 ^+ C- r12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems. r2 X1 }4 ~+ L. @5 O) \
12-614 Radii of Bends in Armoured Cables0 a2 u4 r" q8 R3 C) [7 ^
12-616 Concealed Armoured Cable Installation) g6 z* h2 O* `# M' I7 V5 v
12-618 Running of Cable between Boxes, Etc4 [$ L, r" E- `& l$ |% v
Mineral-Insulated and Aluminum-Sheathed Cable
6 E8 S) Y( n; w3 y12-702 Use1 f- Y+ X7 Q. }+ I
12-704 Use When Embedded
) k% R0 W7 m( T0 l12-706 Method of Supporting
+ w5 M T- d4 b. ~5 ]12-708 Direct Earth Burial
. O( d8 e( g; i) d12-710 Mechanical Protection
$ \- x% g4 ^9 c12-712 Radii of Bends* e( V% P+ T K2 Q3 U8 {" |8 r* @( [
12-714 Termination of Mineral-Insulated Cable (Appendix B)
( o" A+ `9 g; a( `, U2 }% g; A2 a12-716 Connection to Other Forms of Wiring2 ~4 z& t6 d) f( q
Flat Conductor Cable Type FCC
$ V! j. M) C* q# F9 b12-804 Use Permitted
7 f3 F" o$ S! k0 T4 P2 K/ Z7 f* i12-806 Use Prohibited6 r: R% e: l, w( ?9 v2 e
12-818 Anchoring% |6 A. n$ d5 w( x: N
12-820 Crossings
6 b# ^* _3 p n; N3 @5 k& f+ lRaceways - General% J1 K: r7 j* g1 t, j
12-904 Conductors in Raceways
3 K5 g5 o( x9 ^( M8 x) Z7 ]- G9 u12-906 Protection of Conductors at Ends of Raceways
O, Q# A% r' K0 t" U" Y! P0 E# T- g$ ^12-908 Inserting Conductors in Raceways3 `6 N3 T* ]2 M7 r0 z* X: w! o* ~
12-910 Joints or Splices Within Raceways1 [+ ^9 R: j: ^
12-912 Stranding of Conductors
. E: n; n# B5 Q: W7 f5 J+ I12-914 Electrical Continuity of Raceways0 x+ p/ {- H2 v/ \; o2 H) c/ C
12-922 Radii of Bends in Raceways, |; i4 ~9 R) }" N4 N: k h# r
N 12-922 Radii of Bends in Raceways Table 7
, X! }/ K5 I e12-932 Protection for Raceways in Lanes: t" `, X X6 _4 _2 X, x
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
! W- y6 [ m! o2 j2 G4 ~* l5 h/ S12-938 Capping of Unused Raceways
$ U) l1 F2 X. M12-940 Maximum Number of Bends in Raceways
0 Y# g2 U0 i2 Q: V! m2 T: c0 w) v. \5 X6 fRigid and Flexible Metal Conduit5 {9 w& ~7 P, S/ U
12-1002 Use
( G6 W# L9 i3 f5 ~) v4 }12-1004 Minimum Size of Conduits) ?' \7 f0 ~& `, S7 B2 `1 p3 w
12-1006 Conduit Threads (Appendix B)
J* Z4 ?: ]8 W12-1008 Thread Engagement
/ G: z8 m: A2 Z! I# e& ]( M12-1010 Maximum Spacing of Conduit Supports
) @5 l' d$ q6 @8 V1 b* s. R) {12-1012 Expansion and Contraction of Conduits (Appendix B)
# L. T* @ u O- I( V2 H12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
& e9 c( Y7 M2 ~Rigid PVC Conduit and Rigid HFT Conduit) r, m8 M% h; q
12-1100 Use
3 {1 x) q% [' m+ S2 S1 J12-1102 Restrictions on Use
' M0 I' u4 V' y z! H q$ m( X12-1104 Temperature Limitations (Appendix B) F' A9 b) y J
12-1108 Field Bends (Appendix B), (2); J3 e9 ^( m3 W3 d3 E# z+ G k3 K
12-1110 Support of Luminaires9 t/ R$ J$ V2 R* r; d; F* F
12-1112 Fittings# Z( C, [) x1 c
12-1114 Maximum Spacing of Conduit Supports A" f- s* J' u4 n. _( T" D3 P
12-1116 Support of Equipment
/ n- U1 r- `% A7 ?12-1118 Expansion Joints (Appendix B example)
% Q" I, ?/ W4 q5 y2 P5 ^) Q( pRigid RTRC Conduit. f' S M5 \# ~/ g6 a$ b
12-1210 Temperature Limitations
) I" p4 `9 ]4 P O7 G0 `" p12-1214 Expansion Joints (Appendix B)$ A2 ~0 o% c3 A& o
Liquid-Tight Flexible Conduit
7 N# Y& Q+ [) O8 p9 l12-1302 Use of Liquid-Tight Flexible Conduit/ `( k2 z) J! `8 c: x- F( ]: x
12-1304 Maximum Number of Conductors
! b" A5 n6 f9 J7 o% M12-1306 Provisions for Bonding y0 u# s9 `6 ~; p1 L/ D7 Y
Electrical Metallic Tubing$ E- H6 A7 s8 o
12-1402 Use$ L# r: b4 }8 u) H) U( u/ j
12-1404 Supports* o' H" N' B8 Q+ o& P7 F
12-1406 Minimum Tubing Size* ?: p/ O0 Y5 K( R' N8 K
12-1408 Maximum Number of Conductors w. [; U2 ?1 s6 d
12-1410 Connections and Couplings
! B* K V2 F! N( {( G# b* V! f& a12-1412 Radii of Bends in Tubing" g' r, E$ b& ^' |% S
N Table 71 B3 g% X, L2 F9 Y; V/ k
Electrical Nonmetallic Tubing
x- R- Y! {* X( R0 E0 G12-1516 Provision for Bonding Continuity
9 \: U: ?; G5 ^( \4 O- ?. ?N 12-1514# [$ J" r% u* ~, o
Surface Raceways
4 L" T9 d8 {" W/ F12-1602 Use of Surface Raceway (Appendix B)5 L8 N( y9 }8 X0 ?! \8 |6 F
12-1604 Temperature Limitations
" o' M7 V1 m2 w. N" K9 a- ^12-1606 Conductors in Surface Raceways (Appendix B)+ L! m3 Q) A8 y) G# A) y
12-1608 Maximum Voltage. d+ a1 W' p$ o+ {+ w
12-1610 Joints and splices
$ O) \& T1 a% m; L4 k* C5 aUnderfloor Raceways
) u; J6 M C" l" w' \* U5 F12-1712 Discontinued Outlets in Underfloor Raceways
" e9 t5 F; T+ j$ @Cellular Floors
: n( L0 {9 U. m; U7 j12-1804 Maximum Conductor Size in Cellular Floor9 c& U# l$ v4 N2 z" S+ P
12-1820 Cellular floor discontinued outlets% x6 N/ c; i5 o8 G
Auxiliary Gutters; R/ k% S2 ^3 I. y# g: D
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces) a4 `% P/ E5 t
12-1902 Auxiliary Gutter Supports
3 C% T2 I$ r5 X. V1 C12-1904 Auxiliary Gutter Cross-Sectional Area
$ j+ v+ R8 H; _Busways and Splitters
8 J- F1 u0 I2 f12-2004 AC Circuits in Busways and Splitters8 D0 N" m; B# u3 S( R7 I( F& a9 I
12-2006 Busway and Splitter Supports$ C- [: B" W* f% w$ Z
12-2008 Method of Installation of Busways
0 u& j. l0 E1 [# g! q0 T12-2012 Reduction in Size of Busways$ l/ @7 J9 q1 v9 _* z% c' p
12-2014 Length of Busways Used as Branch Circuits) j* T, }) P1 @) Z& U- B R
12-2018 Taps in Splitters% }0 P0 d Q# W: O
Wireways
) h2 A! b1 P# @+ K! M c8 L; z' ]1 E12-2104 Conductors in Wireways
; I# M n0 I% r0 h3 o: s12-2106 Taps and Splices in Wireways
& { o# Z$ L& H" |$ B" R) m Cable Trays
9 l; ]6 R- K- y, y: e/ r4 m12-2200 Method of Installation (Appendix B)# |6 n( [" h* r, C Q3 I
12-2204 Joints and Splices Within Cable Trays" w* s( s: a; j9 o, |
12-2208 Provisions for Bonding
* N7 a% S$ C7 H! P' n12-2210 Ampacities of Conductors in Cable Trays
4 V; ^, y- F6 S4 KInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings* j+ @- y' v0 U) S% ?
12-3000 Maximum Number of Outlets Per Circuit
9 q5 `1 q' A/ n9 i7 ON 8-304' l6 }- U8 p4 {6 N, G r& j8 g
12-3002 Outlet Boxes (Appendix B)
3 }+ r% V! w7 L0 A: A, }N 12-30007 X7 e; _% g! Q6 U
12-3004 Outlet Box Covers7 ?, e2 O6 v, K. D" P1 |) Q8 g: \
N 12-3002
|/ ?+ Z4 Q2 z' }12-3010 Boxes in Concrete Construction( n0 Y1 L4 i- q! c; H
N 12-3008
- M* m" U/ B3 Q( Y) u12-3012 Outlet Box Supports* T h3 e, ~$ h, e+ ?$ K
N 12-3010; p5 z; O9 d6 W* `9 g
12-3016 Accessibility of Junction Boxes
; V( {1 ^0 w$ Z& P s5 G9 PN 12-3014
; a% Q6 @6 ^9 D+ \$ Y4 N12-3018 Flush Boxes, cabinets, and Fittings
1 o9 o: U, ]8 mN 12-30168 Y. Y- d+ d, U
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) - k" C5 \- j( y {) y
N 12-3022) V! f* n; u& V' F- W
12-3036 Maximum Number of conductors in a Box - Table 23
6 U* _0 ?6 D9 V" u9 [4 GN 12-3034
! T4 Z( s4 M8 K: o& _ ^" e12-3038 Pull Box or Junction box Sizes
2 t/ G d& e* P ON 12-3036: f% B b# r* N. H. n5 d' M. ?6 v
3 [4 q! `0 b5 l2 U! E8 i
Section 14 Protection and Control
5 Y5 X% E- b& D& n2 iGeneral Requirement
* a/ ~* s, }; c+ T) r3 h14-010 Protective and Control Devices Required
5 x: i. W3 U5 J14-016 Connection of Devices' G: v7 K4 |& ~& S; d, _% V
Protective Devices – General& r5 Y$ D; z. x0 }& @6 v
14-100 Overcurrent Devices Required
" ^, K s4 e) Z' c" P% M14-102 Ground Fault Protection (Appendix B)0 a$ w a! X& t. }
14-104 Rating of Overcurrent Devices (Appendix B) Table 13* N% W) J5 |1 V& b' M
14-112 Overcurrent Devices in Parallel
" T; t: k* Y/ |1 J& r7 dFuses
! H) Q& z$ ^6 R. l: ^! N2 R* Q" @1 `14-200 Time-Delay and Low-Melting Point Fuses
# I9 y+ h. ]+ B8 N7 i- `1 ?14-202 Use of Plug Fuses2 w( \+ e3 _* I, q! r8 @4 [3 o$ Z
14-208 Rating of Fuses
% F7 l2 y. ?2 u7 ~: n7 J14-212 Use of Fuses (Appendix B)
T! S6 K& f4 B# DCircuit Breakers
' b: j% d# U8 p- ?" ?: x2 c14-300 Circuit Breakers, General
: m$ I8 D u8 Z% X& S4 o X3 i14-306 Tripping Elements for Circuit Breakers
f& }6 T6 M" m8 P; U. B14-308 Battery Control Power for Circuit Breakers
# b8 a+ ^# }) K7 n: RControl Devices - General0 v. y& |2 l9 R8 G& | A, J
14-402 Disconnecting Means Required for Fused Circuits) a. C& t) E$ y+ z9 a
Control Devices - Switches6 h$ n% L1 T f
14-502 Mounting of knife Switches
( I" ?* d; A# ?/ b; H3 d K14-504 Maximum Rating of Switches$ M. S2 k8 A2 S0 Y
14-508 Rating of General-Use AC/DC Switches (Appendix B), \. x9 } b. s% e- ^
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
: g" Z) C5 j0 ?' ?Solid State Devices: W4 V1 U& o. D; Y* R
14-700 Restriction of Use& ?( `% e' T9 l, F" H
14-702 Disconnecting Means Required @1 C b. U: i% v% }7 f
W6 U" X Q0 ]7 s2 f, ]; }
Section 16 Class 1 and Class 2 Circuits) i. k: Y( X+ I5 L" i
General# v: i5 X" `" C) O# I' G
16-004 Class 1 Extra-Low-Voltage Power Circuits+ i* b+ c9 h9 S& o5 w
16-006 Class 2 Low-Energy Power Circuits' ~+ G4 e/ a; {. |2 I% Z' G
16-012 Circuits in Communication Cables
0 s" ]6 B. l2 PClass 1 Circuits
2 _, w& I# k% }- x5 V1 s16-100 Limitation of Class 1 Circuits+ H$ D0 `; l0 H2 `% Q" x
16-104 Overcurrent Protection of Class 1 Circuits
: x5 B$ g1 [) u4 M+ A16-106 Location of Overcurrent Devices in Class 1 Circuits5 O8 e1 n3 Y- ~+ A% D7 s" L
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers3 w$ M: c( S1 E7 O. T# @
16-110 Conductor Material and Sizes
4 r" t2 G9 \& u& Z2 @" h, P( i% Q16-112 Insulated Conductors for Class 1 Wiring
1 H) s. q' v2 G' x5 {# j' p& x0 B6 LClass 2 Circuits
2 C6 f7 n3 `# j4 l+ [16-200 Limitations of Class 2 Circuits (Appendix B); R: j9 r( T& y/ F3 Y3 I. Y
16-204 Marking
7 I% |& V `; l5 S1 r" y1 j- k16-206 Overcurrent Protection for Class 2 Circuits3 P" p! c2 ?5 L2 ^2 K9 Z+ \0 [ M* B
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)6 h- v1 e5 O: R/ f# k
ELC: extra-low-voltage cable0 T2 F3 C8 ~$ P; j# M/ S
16-212 Separation of Class 2 Circuit Conductors from Other Circuits6 z8 }$ K& y: W3 T
2 c0 g! u8 A& d" N8 {Section 18 Hazardous Locations
O7 I F2 x4 h- z2 V. uScope and Introduction3 z4 k1 H9 Z: `3 J0 a
18-004 Classification8 |& ~) j1 m) B9 M3 J, M2 w% {2 m
18-006 Division of Class I Locations (Appendices B and J)
) i9 w% K( s( h' n/ }18-008 Division of Class II Locations (Appendix B)% Z/ e& A/ y: Q% s* j
18-010 Division of Class III Locations (Appendix B)
. B5 a/ Z& e; v, ?; qGeneral
, ^. {8 ^* x$ D( ^6 N" ~18-062 Metal-Covered Cable (Appendix B), N0 Q' G. ~: o+ j$ t% P t6 t
Installations in Class 1, Zone 1 Location" O& m7 \ o& q; G4 I2 Z2 K5 f
18-108 Sealing, Class I, Zone I (Appendix B)
5 I5 F1 L q5 `5 w
* u2 O# l, L% Q# @. u, rSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
/ x6 F4 p9 r9 fGasoline Dispensing and Service Stations8 i }3 C$ Y; e y
20-002 General
9 k! U4 Q- J6 w2 W& X$ p7 x6 s20-004 Hazardous Area (Appendix B)
6 h' a& K& {. WPropane Dispensing, Container Filling, and Storage
$ W. h+ x7 N. ^' l! Z1 }; d8 k" `20-034 Hazardous Areas - Table 63' w0 `8 m4 ?- N0 h6 S, O; X
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
" V* `8 J# D ~7 g$ }3 v20-062 Hazardous Areas% X1 a1 D9 r$ V# H9 n' @( i
Commercial Garages – Repairs and Storage' t0 F: P% T( `" ~3 s8 h0 }
20-100 Scope
1 W t& ?3 ~5 J20-102 Hazardous Areas (1) & ~6 q" `3 T; x
7 S. ]% B! Q. L
Section 24 Patient Care Areas
6 y- S# u7 ^2 t24-000 Scope (Appendix B)" b8 M" e* ?) b; @4 L
24-002 Special Terminology (Appendix B)5 S- {% [+ c- g. F
Patient care area9 x, ?' V, z* x' E! P0 B5 q
Patient Care Areas r. m( P! j" b5 a
24-106 Receptacles in Basic Care Areas (Appendix B)
0 q+ H$ _% E- bIsolated Systems$ l0 h" z6 |: P) ?1 m
24-204 Single-Phase Isolated Circuits (Appendix B)+ i9 X. l+ L, p% L2 W7 A2 o
24-206
1 S4 n* |8 q1 ~& K( T, x$ u) {
0 e. k) A7 F* ~1 a( JSection 26 Installation of Electrical Equipment. c6 n% _4 Y' x
General# z. _. L) V1 Z- n* z1 \
26-004 Equipment Over Combustible Surfaces (Appendix B)
- H' P4 `$ Y( z* M. b& P26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
: S8 w! ~6 J% n% g3 ] Isolating Switches
* t! Z9 ^# F* G7 y( F1 u26-100 Location of Isolating Switches
5 N* D1 b: U# Y/ p5 [0 QCapacitors
% _" |1 f! p" c7 k9 D26-204 Guarding of Capacitors3 _) k* W" w7 x6 A) }
26-206 Grounding of Capacitors
6 A$ x" S" o' W C# G: v26-208 Conductor Size for Capacitors
- b3 j% x" `9 _, B26-210 Overcurrent Protection (Appendix B)2 J& z5 ^0 t: V5 F1 X
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits" j3 ?. o6 n k9 t
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
c4 N# o& A" b+ Q4 ?26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits7 S3 ?% D' s4 h) v7 h1 g" k/ ]
26-218 Special Provisions for Motor Circuit Capacitors
V& E$ m7 c; E8 I* ]) F26-222 Drainage of Stored Charge of Capacitors
6 Q, {+ P) u- V- r# s8 S+ n* w# ATransformers8 O$ W- J" `* T) m9 Z0 q7 g8 K
26-240 Transformers, General/ H1 j- C" A9 N8 b& l
26-242 Outdoor Transformer Installations! z7 I4 S* T$ {8 s4 W$ L
26-244 Transformers, Mounted on Roofs (Appendix B)+ r: d: A9 R, i& |; {- X; V
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
4 m5 P1 ^6 G5 n- u0 ~3 J26-248 Dry-Core, Open-Ventilated Type Transformers4 |- e" G$ ^! F
26-250 Disconnecting Means for Transformers
$ [+ d# N1 [9 A' |26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
: X" r5 Z, q/ m3 h! X8 ^26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers8 v- H4 u" b' _' `% {
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
, ^) e5 `4 P6 N% y: I26-258 Conductor Size for Transformers
2 I- w4 p3 P! X* C' R$ e% {8 G26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B) Z; O( N9 S1 N+ i7 z/ {
26-262 Marking of Transformers
& z- d; @- @, ?5 n26-264 Auto-Transformers% ~( W3 v1 ?3 v9 x! z
Fences
) U/ D0 Q& W+ s9 |, Q9 S26-302 Clearance of Equipment - Table 33
' k* U1 X( P& `! I+ J @. xPanelboards
% {4 R& v$ ~( I K n26-400 Panelboards in Dwelling Units (Appendix B)
' N* u3 H0 `0 k3 V- D6 Y26-402 Location of Panelboards (Appendix G)
8 U+ ~! d$ ~+ [% [Lightning Arresters7 o, s8 q% x' M. b
26-508 Connection of Lightning Arresters
1 \" {4 D: u; b$ R k+ P. EStorage Batteries, E. K, i0 D! C9 E9 z2 X9 D
26-542 Special Terminology; ~# B( H0 z& K' U' n7 C
26-550 Battery Installation& P) H* `: _, g! o3 ?3 _0 t' B/ j
26-552 Wiring to Batteries( |( i: u2 h" O: H; ]
Arc Lamps
) r8 Z0 N. H6 L+ t# T26-600 Location of Arc Lamps7 S: i N) @+ }$ p, z; v: D
26-602 Conductors to Arc Lamps
$ p ~) g9 C$ b" Y26-608 Globes and Spark Arresters
" M' ], j3 w# |( eReceptacles
" Q! F8 c8 `6 }+ ]! v- _26-700 General (Appendix B) V0 L% @; H O; p% a2 D
26-702 Receptacles Exposed to the Weather. \4 Y3 }5 U' W8 u8 m- z1 {
Receptacles in Residential Occupancies0 X$ G' A# \+ h+ s! N; r7 r
26-710 General (Appendices B and G)2 u: G5 y8 V& M6 ~# K& E
26-712 Receptacles in Dwelling Units (Appendices B and G)
$ [& a* }4 E0 @3 P26-714 Receptacles in Single Dwellings (Appendices B and G)
; f4 N4 t8 U7 o4 Y r+ s: G: uBranch Circuits in Residential Occupancies
- o- v2 h5 a9 J- U3 c26-720 General1 u+ m: m3 I) Q$ m# I6 f% N6 \
26-722 Branch Circuits in Dwelling Units% V- v# K7 M( @' b5 v* i$ p) v
26-724 Branch Circuits in Single Dwellings
4 }4 m3 @, u: N26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
3 g" o1 u. u) {+ Q+ bN 26-720 (F)1 Q% B% X' h; W2 ^) t
Electric Heating and Cooking Appliances
9 ^& }6 l) s6 i+ @26-744 Supply connections for Appliances
: s3 T. [& _: t# w* ^, e# A3 N26-750 Installation of Storage-Tank Water Heaters# d/ f/ J. a7 D4 Z7 s3 W. v. t& o4 h
26-752 Infrared Drying Lamps
9 |- N, ?4 `% T" C9 e d) J e4 k% n
4 X" B) S8 b5 j/ M( MSection 28 Motors and Generators$ _. \" y+ o$ d+ X3 p! B! R
General8 q( f% d9 m6 |4 w
28-010 Special Terminology
2 q- z* w6 X! y- S1 f$ wHermetic refrigerant motor compressor0 d& Z$ Y2 e, b; z+ p; v" P
Locked rotor current rating1 k* b6 R$ O8 U+ H( j7 U# H0 w( r8 t
Service Factor, g/ d3 j- W6 ]0 u# ]) M3 n
Table 44; Table 45; Table-D23 A* }$ F5 B' Z( N3 [) l6 j' V# W
Wiring Methods and Conductors
: [2 a6 K% l/ Z' a/ ? s7 i4 n28-102 Portable Motors
# }- |) Y) H9 V7 p28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
9 [, D( M# B+ Z' K# P& \4 L9 ^0 N28-106 Conductors, Individual Motors3 f/ ~# o/ k( D. z
28-108 Conductors, Two or More Motors
' {3 Q; S, \) d! t) ~28-110 Feeder Conductors/ A, x5 m# N+ _, f2 O! R
28-112 Secondary Conductors
% D9 {' N( V. WOvercurrent Protection& E* w. {) Q4 h
28-200 Branch Circuit Overcurrent Protection
+ c: X$ o# T- r, S28-204 Feeder Overcurrent Protection0 _/ G* c- S- s H$ f- I
28-206 Grouping of Motors on a Single Branch Circuit! l# t# o1 N, D
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)' k' n9 M: e0 q
Overload and Overheating Protection9 h; ^1 u. V) H
28-302 Types of Overload Protection
! O% K7 l0 E( m9 o28-304 Number and Location of Overload Devices (Appendix B) Table 25* }1 F9 V- n8 u: B, N- R; u
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
6 Y4 c1 b, i4 t, F28-308 Overload Protection Not Required
3 B6 u/ I1 V. D/ rUndervoltage Protection
( K/ G. O9 @1 B* v+ [. o& B28-400 Undervoltage Protection Required for Motors (Appendix B)
$ f0 @% G: B9 F4 i4 M0 w; nControl6 [) T, K. ~1 g1 E- w/ u
28-500 Control Required
: B5 q; t6 P( @4 l28-502 Control Location
" f) h; e4 J7 I* }% G28-504 Starters Having Different Starting and Running Position( p- L# A, S' M3 d
28-506 Grounded Control Circuit
[3 U" [1 V0 d! M' }( |' y4 cDisconnecting Means# {5 }7 ?4 V. H( F6 E) k, X" R1 w
28-600 Disconnecting Means Required
; v" s: A3 x: u7 m28-602 Types and Ratings of disconnecting Means (Appendix B)
; j. @- l6 Z( G1 C; u6 x/ n28-604 Location of Disconnecting Means
* j' `; I6 P' d) p# s! L Hermetic Refrigerant Motor-Compressors
: R, S5 \ f- P7 J/ D$ x! ]! v1 O28-706 Conductor Ampacity. X7 Q0 h( a2 K3 w' X$ T
28-708 Overcurrent Protection; c, x y1 h& A: f% c3 A
28-714 Disconnecting Means
$ A: l6 e1 C; Q+ Y- u l$ jProtection and Control of Generators+ B) [+ j! ?* K/ ~* v% j
28-900 Disconnecting Means Required for Generators4 C; b: N, V! e y+ Q4 \6 E
28-902 Protection of Constant-Voltage Generators& T" `/ [8 B- _7 G1 F4 w& r3 G9 ~" c
28-904 Generator Not Driven by Electricity
8 M: j8 Z9 N$ A28-906 Balancer sets3 X& K, Q, N) q' n
28-908 Three-Wire Direct-Current Generators) n, |4 o6 w# {4 E) i$ s( R
/ r, i. y$ R' o
Section 30 Installation of Lighting Equipment
' ^- u2 P5 X7 L30-002 Special Terminology (Appendix B), R+ {( u- c: n& A
General2 W7 p9 w5 F( V' l9 C
30-102 Voltage
. }; ~( H" K+ z0 ^0 v30-104 Protection (Appendix B)- ^0 `9 y& d# ]8 {. T/ ?; M
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment" u: v: p7 z( j
30-108 Polarization of Luminaires
6 \& e" |5 M8 C- s& y. a30-110 Bonding of Lighting Equipment
! N$ O" Y$ S, A# d$ F" dLocation of Lighting Equipment
. W2 {5 w, S9 L$ e30-200 Near or Over Combustible Material* N# I r! @& P" }
30-202 In Show Windows
+ h' Z" p& X5 @30-204 In Clothes Closets5 ^' ~; ]9 m, j+ L
Installation of Lighting Equipment$ v# m# W! o3 M9 p
30-302 Support+ ^( ]: U* T2 a/ g+ z, ~6 y
30-304 Outlet Boxes to be Covered7 e- v- J' m/ l6 Y2 w9 U
30-308 Circuit Connections
% K3 h; ~! ~: @. ?30-310 Luminaire as a Raceway) C7 T! T: i5 {* ~6 O3 ?+ j% X! W
30-314 Minimum Height of Low Luminaires
. m% \5 X! M' w! |+ {30-316 Luminaires Exposed to Flying Objects
: y/ k" N9 @( t: \7 {8 d5 }30-320 Luminaires in Damp or Wet Locations
6 k6 b3 c! @6 {N 30-318
' I* Y U5 J$ j4 y1 gWiring of Lighting Equipment8 Z0 ]( [( N9 X H ]. h
30-400 Wiring of Luminaires$ G x) {/ Z( X; X3 N
30-402 Colour Coding
* S3 X) f4 k1 b30-404 Conductor Insulation) o# o) z3 X; c
30-406 Conductors on Movable Parts& S$ P" U: c c u" @
30-408 Wiring of Ceiling Outlet Boxes% L. J2 g. X( i; g4 d; K
30-410 Wiring of Show Window Luminaires
* ~+ Z: s8 u! ~% A30-412 Tap Connection Conductors+ F( @5 y+ O A2 h- ^ {
Luminaires in buildings of Residential Occupancy
% B" [$ D, h u3 a# r Y" B6 ~30-500 Lighting Equipment at Entrances (Appendix G)
( @# e0 e: m8 b8 F4 p* [& G30-502 Luminaires in Dwelling Units (Appendix G)5 y4 @$ ]# F: V3 t/ {
30-504 Stairways (Appendix G)" I3 w7 Z* v) J9 _, e8 s
30-506 Basements (Appendix G)
, [) u/ M' B" ]7 f9 |30-508 Storage Rooms (Appendix G)7 H0 W* l( t4 @0 n, x7 w* d
30-510 Garages and Carports (Appendix G), v' Q; W' n% m2 k
Lampholders f* s# l& V, A' g" m3 ?
30-600 Lampholder rating with Incandescent Lamps+ ^6 m4 B# [+ s( _# D
N CANCEL
3 c! @, a( L* Q3 a30-602 Connections to Lampholders; \8 A+ j3 b3 V3 s2 \1 ]
N 30-600
! t ~! ~4 ?9 q0 h& O0 F1 c30-604 Switched Lampholders Used on Unidentified Circuits% c% [% o7 }9 A
N 30-602
# ?5 ~2 x- L9 L/ ^/ v/ {$ T30-606 Switched Lampholders with Pull-Type Mechanisms4 e6 l+ j2 u: D2 P0 t( x0 A& e. a
N 30-6042 Q$ R# V+ n6 f! [, ^, b+ c
30-610 Pendant Lampholders5 v* x+ Z" V. [; X3 y" n
N 30-608
3 W# y( k4 W0 e2 u1 eElectric-Discharge Lighting Systems Operating at 1000V or Less
$ _8 P6 N; {; E# q9 H( l, k, Z30-710 Control (Appendix B)
( i+ i0 z3 c5 C# p30-712 Branch Circuit Capacity
2 N& e4 F4 n+ Z9 L- }* [% `# i7 yElectric-Discharge Lighting Systems Operating at More Than 1000V8 T A5 P2 p" @
30-802 Voltages, Dwelling Units
( q! X! G5 j! y; u3 b7 l( V30-804 control (Appendix B)
; ~! ?6 |& y/ i& D- C$ z# eRecessed Luminaires (Appendix G)
! j9 x0 R% H2 {8 X# \+ s30-902 Spacings for Non-IC Type Luminaires/ B! }( K/ c. K o; B2 F% j7 x: F
30-910 Wiring of Recessed Luminaires (Appendix B); Z& W0 L% i7 d# t2 k5 K' u: ^' G. t
Exposed Wiring for Permanent Outdoor Lighting
; }2 S. ], E/ u: j0 Y/ X9 e6 z30-1120 Branch Circuit Loading and Protection
' R9 O. ?0 g) Q$ c; L9 L# A' AExtra-Low-Voltage Lighting Systems
$ c; P* ^9 x# X% a. _0 t30-1202 Sources of Supply. R$ m1 M* t- E0 E3 v" e
1 r9 y$ a7 q7 X4 X. NSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)* r2 T. b4 ?) B; s
Fire Alarm Systems3 V" s: r0 d# X4 O: g* \- V4 y
32-100 Conductors8 \3 {4 d1 m9 K, W
32-102 Wiring Method
2 A+ u% V. Q7 V7 q8 `4 q32-104 Equipment Bonding
& U. v/ X& Y6 x* k; G32-106 Electrical Supervision9 m3 e7 t3 p, R$ o+ G. I1 R
32-108 Current Supply
0 v9 [6 P$ I& q- N! I32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)! e( t8 x& l3 x O% V
Fire Pumps
( ^: `0 z6 o; A% a# e: w. y32-208 Overcurrent Protection (Appendix B)
C( I# s; D- |5 t$ r( NN 32-206
/ Z" ]) j- L/ O1 |" B B/ r" x4 @+ v32-210 Overload and Overheating Protection (Appendix B)
6 H0 K) a/ ~* n/ D0 O. a% d. w2 _32-212 Ground Fault Circuit Interrupter (Appendix B)+ t4 l0 u, B3 ?
" v- w- `& ]- C3 V
Section 36 High-Voltage Installations
1 h% ^8 _ m5 t1 ~' X9 n. ?3 HGeneral
- v7 J4 r. D: }' {. V! n36-000 Scope (Appendix B)
_. l- W$ x, z- q, Z36-006 Warning Notices# a- ]0 h" u1 D5 i; v5 f- x
Wiring Methods$ |2 o# O. k; U" {, v# R" e! L) f$ m# J
36-102 Radii of Bends' [# \8 t v9 i5 X" @* Y; w# D3 @
36-104 Shielding of thermoset insulated conductors
+ Q4 g; ]# Z/ G) @36-108 Spacing of Exposed Conductors (1) table 30, table 31
; v7 H+ _& e- D- O* u* Q+ Q9 S" G36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34( m& N2 K) Y( d
Control and Protective Equipment
. s/ c. P1 t' y8 O9 t) O! x. @! ^, e36-214 Disconnecting Means T% r, {$ E# S, v
Grounding and Bonding h7 A" |) T, O/ q: y3 {- v* D
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
( T# [+ ^( Z- x5 H' N36-302 Station Ground Electrode (Appendix B)* Y& p; u# p. x( A2 I
36-304 Station Ground Resistance (Appendix B)! ~# z* t, M# v, i, d
36-308 Connections to the Station Ground Electrode (Appendix B); G, d$ e- ]. ~* D- F# x
36-310 Gang-Operated Switch Handle Grounds
8 N. b+ d: T0 u36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
; Q4 l) J1 P3 H0 ?- P# C( K5 r& |: s L8 A( N& m A6 H/ ?
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
" i; \* n1 T; T38-002 Special Terminology (Appendix B)
6 {9 g4 U. G$ l7 F/ m: q38-003 Voltage Limitations (Appendix B)3 Y2 H0 ~. F6 j- K% ` g* g9 O
38-004 Live Parts Enclosed
/ h+ V, N2 k, U% k% O& ^38-005 Working Clearances
( a5 {/ K$ O0 k# c- K# w) \38-011 Insulation and Types of Conductors' y: Y2 [7 z, U! R
38-012 Minimum Size of Conductors8 Z9 R( W$ X: n+ Y+ `+ o3 v
% F' N3 g p" A
Section 40 Electric Cranes and Hoists
7 Z; u; j m: j40-008 Disconnecting Means' l3 e2 Y: _: p* n' |, u
40-010 Main Contact Conductors* e+ k8 O: L5 e5 N( T. D
6 \+ Q0 a4 n9 L- f0 VSection 42 Electric Welders
" q+ c0 z, d8 I, c+ _ gTransformer Arc Welders/ G% a: h5 @# S) ?5 J6 O
42-006 Supply Conductors
/ w, L7 D# L- c0 \$ C4 B9 }3 R; z& _4 n3 L* ^& T: e. Q) c
Section 44: Theatre Installations
. M6 D5 G9 L6 k6 N+ n/ X: dGeneral
6 K% `: W+ x9 r44-104 Number of Conductors in Raceways* x l1 T5 y' F
44-106 Aisle Lights in Moving Picture Theatres& l) ?$ q' |2 G, \ L
Fixed Stage Switchboards
, ?: X, Y5 A& I6 ~% q% q. \& b( Z44-210 Overcurrent Protection
8 I3 v. c$ v: i/ gFixed Stage Equipment" ]/ [5 o2 q0 J* {; F) y1 ~
44-324 Receptacles in Gallery Pockets
( c$ O( i5 |8 K' i% g4 Z; E44-326 Receptacles and Plugs# v) `, G2 m+ Q, g& H8 Z- z' v
2 a- k. y) k. e+ p" m% V9 G1 h
Section 46 Emergency Systems, Unit Equipment, and Exit Signs( i5 c) a7 k; _" {; [
General
( {# M( }9 H' x46-102 Instructions
% b+ j9 T8 q/ u9 b" u46-108 Method of Wiring (Appendices B and G)9 p; H$ E K5 C2 E2 z
Emergency Systems
5 k! X- G( N/ s46-202 Supply (Appendix G)1 Z! G" X; q! q" e6 [' t
46-204 Control
5 C5 q, Z2 m7 k3 e4 `46-206 Overcurrent Protection
2 j: @9 Z1 J1 L0 _( J6 a46-210 Remote Lamps
; |7 O ^6 O/ |9 z2 [4 ]Unit Equipment
* f! _, H, G5 U' v' C6 J46-304 Supply Connections$ W% c9 i2 k, T3 g" S" f5 Q
46-306 Remote Lamps (Appendix B): G+ i1 D) Y3 u# `+ J
Exit Signs6 p+ k+ S. k* u. A/ X
46-400 Exit Signs (Appendix B and G)
' F \" F: r; W) O8 c$ @% R c, D
1 D* D) B+ z, dSection 54 Community Antenna Distribution and Radio and Television Installations5 @9 O4 g) E: j/ \( s
54-000 Scope1 ~$ l5 B5 m8 g7 G, E9 s% }
54-004 Community Antenna Distribution (Appendix B)
) |& l: c6 u7 e# a) J* z# MCommunity Antenna distribution
; y5 t. p. x* `' C1 E7 _5 d8 ^4 b54-100 Conductors+ b0 q* ]9 U# m3 a, X
54-102 Voltage and Current Limitations (Appendix B)
; c8 w9 n& a; C7 y qProtection8 d% Y% f4 ` {! {, C
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
- @& g: c# o" \5 f4 \Grounding; l; W0 B# a7 m0 g: x" k& {7 P
54-300 Grounding Conductor
5 p% e E6 }2 }/ Z' aConductors Within Buildings
9 }' H# D; _9 z; p( W54-400 Separation from Other Conductors
6 l0 y$ t- E) ]4 A' @Equipment
4 ]' [, j; `5 x) ]54-500 Community Antenna Distribution Amplifiers and Other Power Sources! `3 D W+ y2 O9 c
54-502 Exposed Equipment and Terminations
) e% o2 {+ D, ^1 @
0 H4 e5 ?- C# c! I, i ~" r; uSection 56 Optical Fiber Cables
7 A, z* }7 I. d$ k" o1 nGeneral
' N, w. e0 y1 R& t7 Q& r56-100 Special Terminology
' k- J$ ^0 m7 {( {% e56-102 Types
$ T, d4 q: n. K8 {Installation Methods! ~' u2 W) ]- T5 q
56-200 Nonconductive Optical Fiber Cables (Appendix B)& M8 N' D- t% {4 Z! R
56-202 Conductive Optical Fiber Cables (Appendix B)) o& I' `: a' i! c- y
56-204 Hybrid Cables
. T0 u4 @! |/ [7 B( T# ?56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
8 b; ~1 q: e! g( Z: _1 J9 X+ n
1 h: q5 e3 f1 JSection 60 Electrical Communication Systems
2 \5 I/ ]" M! Z! YGeneral: M% [+ D" k, j9 ~0 }
60-100 Special Terminology
- y( k8 C9 B' C% J7 g5 L4 ^Protection8 V4 x: ^& q8 q# T- B$ a& X
60-202 Primary Protector Requirements
7 Y* W& [7 L% q: P# ]4 DInside Conductors, T, V8 T$ G$ C4 T1 t
60-308 Separation from Other Conductors& U$ E2 k9 z, c) y& U; B
Equipment
* S" R, [ V n$ m1 u L60-404 Exposed Equipment and Terminations
% y, F9 e6 {! zUnderground Circuits$ {3 n h; p$ A( H2 K7 t% g
60-600 Direct Buried Systems
6 E4 I# t% q: f6 _$ M9 D& X, _& D ?: K, E7 D2 Z. q* y
Section 62 Fixed Electric Space and Surface Heating Systems x4 K- V1 l! q Q: Z( r
General: Y. M M; b$ Q! a8 _
62-102 Special Terminology4 R" w K. O1 }) d6 ^ u
62-108 Branch Circuits `; X' l5 k- ], I9 r: s
62-110 Installation of Fixtures" B, G$ K1 z4 V9 y9 h4 Y" s
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
( I9 i1 c) {3 L* Q$ e5 p+ s62-116 Demand Factors for Service Conductors and Feeders (2)
2 _: X8 K5 z. u9 W+ f# D2 s# _' D62-118 Temperature Control Devices8 o/ o1 d% v5 {& e; B
62-122 Installation of Series Heating Cable Sets (4)(7)
' ~ [. m g1 SElectric Space Heating Systems
9 [ K% u+ u+ C2 _3 V7 a" N5 `62-202 Temperature Control
3 r- b; R; |# j+ J q; s62-206 Proximity of Other Wiring (Appendix B)# {8 z) V5 y! z
62-214 Installation of Heating Panels and Heating Panel Sets
0 ]4 K7 W5 w; f6 {62-218 Series Heating Cable Sets in Cement or Plaster Ceilings5 g8 V* k( j( D2 r
62-226 Installation of Under-Floor Covering Heating Panel Sets
. @! V4 T8 ?) w+ k: k6 G% _9 ^Electric Surface Heating Systems _1 O8 F0 |/ u8 a$ v
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
9 w. l/ y- g! P, Q2 F% h d
7 R/ s$ z9 T: u$ ]' ~! Y: sSection 68 Pools, Tubs, and Spas) ~4 A2 ^5 Q( k5 b! ^9 K. E
General5 h: ~; \6 G& i; L
68-050 Special Terminology' f+ Y/ S/ p" W" N+ `8 }/ r( N) N
68-056 Underground Wiring - Table 61
) H; N' i+ X% e" P# P9 K68-058 Bonding to Ground (Appendix B)
, v Q1 s5 b- V; N+ F68-060 Junction and Deck Boxes (Appendix B)
* Q6 ~% X2 f2 O" d r! j68-064 Receptacles
' ~6 `! d2 y- |7 M- F; u+ t$ I- g68-066 Luminaires and Lighting Equipment6 u4 G4 m! A n- y9 B3 c* v
68-068 Ground Fault Circuit Interrupters (Appendix B)! n+ i& c) f( P+ _% b- h
, a$ {7 D9 E. h$ x6 X- g
Section 70 — Electrical requirements for factory-built relocatable structures and * G7 z/ I( B/ g+ z8 Y! ]
non-relocatable structures
" W3 S8 X" w$ k! T9 Z A70-130 Tests (see Appendix B)
8 n! Q( `1 s" l8 W0 w' i
" W# k) n- s9 r, ISection 76 Temporary Wiring (Appendix G)5 {2 u# `) j, p. m! `8 }
76-004 Grounding6 M* @1 h9 ]: ^: P5 C
76-008 Service Entrance Equipment0 \- b: | F, }
N 76-006 t' h6 {( D3 m f& I" |; |
76-014 Branch Circuits4 [- R1 t( O& W5 S* _+ m
N 76-012
! \9 g2 k7 g7 A* k9 g2 v" N1 [ A3 H& L* W9 b' A; i
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
# l( Z- ~$ T: wMarinas and Yacht Clubs5 V7 w8 Y) \; z5 i% N
78-052 Receptacles2 \3 \. T- ?/ g1 e! F
78-056 Feeders and Services
* j5 j9 \$ r$ n" r8 `Marine Wharves, Structures, and Fishing Harbours& P, Y! n" ~* J# d% `
78-106 Grounding and Bonding
& c) v8 Y, o6 Y1 }Tables" q5 \3 @5 w4 d6 O( g
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,650 H+ W+ I* e% x
& B! G& R- k! s' w! F$ o- `) ]3 @Diagrams: 1, 2, 72 T% F7 k6 d" l) Q" u! n' L7 h$ ?
* _" _6 D# L4 @9 [
Appendix B
# C4 ? T" O, d6 k6 S& XP352: Ground fault circuit interrupter- 6mA
6 |6 G$ x; N8 w' k O6 x$ WP354: 2-126 FT1, FT4% y4 K' s7 Y5 ~7 z
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
& |# B8 V/ [3 F! q. I$ cP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
' G6 M; O" [( c" D3 VP370: 12-1012, 1118, 1214 Example:5 C( N, H( z A. i4 C$ n
P371: 12-11087 T. _% A% j/ G( P: Z
P381: 18-108(1)(b), 18-158(1)(b)
/ c/ |1 h( L9 ~( |+ JP386: 24-206
/ n% ^: A$ ?' HP389: 26-256; e# j6 n' z+ w7 Z j" p8 v$ }2 a
P391-P393: Section 28, Example to determine Motor Conductors and Protection
3 {; m' Y! B% V; w* T' h3 F- e; P0 T$ ^6 W% I' E& m+ O
Appendix D
2 X8 A; w2 c. C6 C0 s; jTable D1, D2, D3, D4, D5, D6, D7, D16 |
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