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Canadian Electrical Code Review Guide
* F4 C' F3 P, j' T0 r) SFor the Exam of Electrician For Red Seal License3 q& h) u/ Y9 d0 @+ C. Y! O
t! ~( K- s+ [8 x4 r% g# H
Lesson One9 J, P7 V& ]$ A" l/ M
Section 0 DEFINITIONS" a5 |# H, I3 m3 y/ s; {" f+ |$ O
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:1 n' |8 W; e3 [/ k" X" v- q' U8 g- G
Accessible as applied to wiring methods
9 s3 b2 I" S! ^2 VAlive or live2 X, z4 P6 N/ i Q" k4 g. B
Aluminum-sheathed cable8 d6 d& x% o9 U, m& }" J v
Ampacity
; g% I5 l* v) l: C9 HAuthorized person; @$ K2 H j6 V5 C+ }; P
Auxiliary gutter/ {) ?1 F2 B! Y) ^
AWG4 _# y; T2 _3 g4 y- T
Bonding
, I5 E7 y5 o% h' q/ i3 E# yCable tray
9 F" g' n0 [" q3 Q, ~" vCellular floor
& ~# r, U2 y( B0 @Branch circuit
& M9 X' U4 h. S+ p; f$ K, lBus
1 h( X; i! d6 V; V, x* x. L _Busway, c4 ]+ A" G+ S, O
Communication circuit
* L; M6 K) z$ T8 X' xExtra-low-voltage power circuit
8 P! w1 t3 n. o. s6 l7 f8 zLow-energy power circuit& K. ]3 {3 Y& ^+ i. z' X' U
Multi-wire branch circuit
$ p4 {% I) D" CRemote control circuit
5 }- i3 [& N. C/ o( ?5 JSignal circuit" J# k. D0 B! i
Circuit breaker
! H: i3 m# _: B- F* V$ P" O5 OInstantaneous-trip circuit breaker2 R& {6 y9 F% J% u
Conductor
8 m4 W% P* Q3 E1 iConduit
: J/ B7 ?/ @5 e& B Flexible metal conduit. Q/ D3 c0 i* j X* k! H; k
Liquid-tight flexible conduit H: [! C: b8 M; Y2 C) r, X
Rigid conduit- K' R$ K* Z. F6 D- s
Rigid metal conduit
9 o, e* H, @1 r. y& \8 ^ Rigid nonmetallic conduit
5 B) g% \( T5 L+ P0 A Rigid PVC conduit
2 `6 } R/ o% R' ?) D2 ~Connector
/ S n% F$ o7 r1 e( W Box connector7 Q8 e( g. B3 O9 t5 `4 A$ l( r
Wire connector% P0 Z+ G! Y% Q1 c- a, W
Controller
( {/ g/ L' x% h) dDisconnecting means, E& i0 `7 I7 d' R
Dust-tight
0 f3 A, }1 F# IDwelling unit- X0 F% k5 t& J3 Z" `( X
Electrical contractor
" V$ C9 N+ h& P+ j3 KElectrical metallic tubing
- L. J7 q, A1 N8 A7 [, ~3 O* zElectrical nonmetallic tubing
: `0 j; B2 O3 v0 Z( R1 a/ PEmergency lighting
$ m- H2 B9 @ |' D8 }Explosion-proof
4 Y) R/ o7 i4 B8 aExtra-low-voltage power circuit$ w% ^0 d1 |, V" r O
Feeder
' n7 p; W6 J+ h9 t! iFlexible metal conduit9 v; J+ X, ^! V" \/ k* z- `, J
Ground
O2 ~+ _8 t# e+ ~( y- AGround fault circuit interrupter @" ~* K0 ~8 ~5 K
Grounded( w; c$ p# g1 z, l* Z
Grounding
7 A" E* a4 R( p; BGrounding conductor, C- J5 P1 K4 k. I6 ^ l
Grounding electrode
8 I$ E3 F+ L4 I% S7 }Guarded
- ~6 U8 Q& {" d; LHoistway( y3 Y5 }- f2 B. ]6 N. S2 Q
Identified, I, H5 w* i$ I7 @, K, j3 x
Lampholder/ ?4 m; d$ h* i
Low-voltage protection, H9 U! Q% t( I) E2 g$ s
Low-voltage release/ J3 I- Y! z1 Q
Neutral N- n) j: f: Y8 ^% p
Noncombustible construction+ D4 A3 z# A7 ?5 {( K6 R2 |
Outlet/ \$ y8 T, D5 N& b& q- D- P) [
Outline lighting
. H" B$ l2 @6 |6 MOver current device
3 u, [ I: l2 q$ _Overload device9 [6 L1 H2 d9 Z
Panel board1 g- J/ ?& ^' T6 W6 r+ q
Panelboard, enclosed
: b# m* p5 c/ ^) E- [Permanently connected equipment
4 ?) [! S+ b: @7 t$ {) {$ KPermit
- ]& _4 |& K2 f! ?1 X& l! RPlenum
: g! ~7 K0 ?; Z! |" b) PPortable as applied to electrical equipment
5 v. E0 M# P, z, k' O6 R2 ePortable ground fault circuit interrupter$ m9 ?& @! L) R/ E
Power supply cord6 G- C- x+ l6 u; l: C% G4 O+ I
Raceway
) U9 S+ ^+ H% ?; B2 m5 W \Receptacle
- O8 O& @+ P1 z5 |# ?3 B. n Duplex receptacle4 f# {% M# u1 d8 ~* {: A1 l
Single receptacle
; O- t7 \) A4 A/ r) O/ V, Z# h Split receptacle
, P0 A3 Q6 g8 X/ v# \7 ?Service, consumer‘s
7 |4 Q3 B. U9 [/ b) ^Service, supply
4 i3 i9 Y0 K5 f5 Z6 f2 Z* p4 YService box
0 x8 P ]. P0 ]8 i. Z. _& nService room3 v7 B7 r# ]+ ?: x4 Q) v
Single-dwelling
6 v' ?" s: v6 `: e5 Z6 eSlow-burning as applied to conductor insulation: Y% z) g9 e( G! ~- n9 e: t
Splitter' O$ v; e8 x5 @6 E) X) x
Starter& A9 L( ], A, o' [, l" q" s
Switch
3 i+ j6 c8 y$ L$ m General-use switch
' |( \( P: Y0 c) W5 p5 S& i g Indicating switch
0 R ~; _) P' C Isolating switch
& E5 |- r5 `- k' a Motor-circuit switch
! S( e7 `4 ]. JSystem+ j0 N8 t, f0 |% h% [
Communication system3 v0 }$ X J( C* N& e% T
Community antenna distribution system(CATV)
' L2 @2 b @$ l5 F% y( \6 X Grounding system5 U0 j" e0 }! ~0 b6 {( b* ^
Underfloor raceway
/ J$ z0 G9 \9 \, A$ x4 m: a4 KVoltage:
0 j/ F- t- x% W. Z Extra-low voltage+ o* J* J) ]; i$ k/ G" T
High voltage; H( x- U" O$ ]4 S) {1 E- p
Low voltage+ P7 v' t1 O5 T. j
Voltage of a circuit
; @8 ?/ \4 L# R6 lVoltage-to-ground) P& @0 w4 e* ~7 R
Wireway
" c& o- Q, u7 }( k/ d/ I) l% F5 v( }$ k
Section 2 GENERAL RULES
3 d) z( I7 U/ F" @: Z* bAdministrative
% h& z, @; y: h, Z% f; z2-018 Reconnection, u9 K' j6 @$ s" I/ j
2-030 Deviation or Postponement, V) s( ?5 O; Y( H' f/ ?! y8 X2 X' Y% u
Technical General
) ?/ @# d8 O, G3 T, q2-106 Circuit Voltage-to-Ground – Dwelling units
0 g. A& {0 }- U! H2 w. [. c2 r% g2-114 Soldering Fluxes
: j5 |4 F9 s% G. r4 m8 V- n2-116 AWG Sizes of conductors: c4 \# n- n7 S% o* w1 \1 V) d& @1 [
2-124 Fire spread (see Appendices B and G)/ u* ~ q3 `0 S) C! k
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
8 q9 {0 I! L6 `6 d+ j/ M& v3 e, aProtection of Persons and Property
& D- F6 Y, o) V6 a% w2-202 Guarding of Bare Live Parts6 f& q {6 r( u5 z& `
Maintenance and Operation4 z9 S! f& B* l, J4 |8 }4 c. E
2-304 Disconnection! _ f9 O' a& s0 |6 L
2-306 Maintenance of Live Equipment- i+ T) ]3 o" Y q# t# O
N 2-306 Shock and flash protection (see Appendix B)
1 O) c' X; C+ Q9 I" }( r% ]7 K+ H2-308 Working Space About Electrical Equipment: Table-56
' z% M, ]" C: d, S2-310 Entrance to, and Exit from, Working Space6 ]2 q* b' M$ q& }0 \
2-320 Drainage. p+ o1 j, \& T: F" n+ G1 m, q( [
2-322 Electrical Equipment near combustible Gas Meters and other Devices& }2 w; S \; [, {# p" N T7 A8 ~
Enclosures* J( s7 {( b" x0 J
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
( d6 t7 }# }" J% e; _! }" c8 n# ~2-404 Marking of Motors: DP, WP, TE( T v* ?$ n: ~# t2 V
. l3 D8 j5 @8 k4 R! U
Section 4 Conductors
8 i5 }9 J! Y& v5 R# E. d4-000 Scope
" D8 `) k/ ], u- b4-002 Size of Conductors: 14#, 12#! C3 g$ w$ c$ M
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36/ }3 \* O. S0 M" \7 J
4-006 Insulated Conductors: Table 190 q5 @( a5 V. T- I- e2 [7 g
4-010 Uses of Flexible Cord: Table 11
' `, d% r9 S t! Y' X4-012 Sizes of Flexible Cord
: L& T* B! \; O7 N& ~5 ^- U( `4-014 Ampacity of Flexible Cords: Table 12
& X R% w, i3 T7 e0 K. |4-018 Equipment Wire
- D6 {0 i' `3 \" X" C4-020 Insulation of Neutral Conductors% n4 b1 H: N1 `# ]% `5 i2 J, L7 h
4-022 Size of Neutral conductor9 [8 \7 i7 \$ R
4-024 Common Neutral Conductor
9 s% `; C7 }/ F6 |1 L: p: [4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
& W Z8 z9 b6 X4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
3 H* V! n! `! y: V( y4-032 Identification of Type MI Neutral Conductors
$ R4 T. `' E) m" _. }+ \4-034 Use of Identified Conductors
, K2 C* z6 S0 t2 Y1 m4-036 Colour of Conductors: Phase A, B, C, …
' K6 ?- o" X4 M8 q+ J! ?' e
1 \, k0 c: e8 T0 U3 nSection 6 Services and Service Equipment& N$ X5 M$ z `+ h
General j1 s2 f8 A$ ]
6-102 Number of Supply Services Permitted
2 ?: x/ b$ n0 z" t0 ^, o5 l7 H6-104 Number of Consumer’s Services Permitted in or on a Building$ U: D; J& e* S
6-108 Supply Service from an Electric Railway System( }5 ^# S4 d3 U- p# _' y
6-110 Three-wire Consumer’s Services
3 u- t9 G* w5 @4 ~' H6 c) n* `6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
3 a7 B, C0 j, }! h; d7 |( t' i6-114 Methods of terminating conductors at consumer’s service6 K G: N, y- v( m
6-116 Consumer’s Service Head Location
; h" m; F3 D# A4 U4 I+ C$ kControl and Protective Equipment
' T( B- x2 h7 D& l' z# s1 b5 P! D! i6-200 Service Equipment# l: t" e* v& r2 r) k* [
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
7 b3 U( J8 V/ X r6-208 Consumer’s Service Conductors Location
5 I1 \ D# x; E d7 \6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
: _$ i% N4 e* v* R& c6-212 Wiring Space in Enclosures
6 P5 d K- j4 d8 |- r, i- F, m6-214 Marking of Service Boxes. C6 D3 X) y% u5 `; t
Wiring Methods) X# M7 x# j- ]5 G7 V; \
6-300 Underground Consumer’s Services
' J2 ^7 D4 I/ }) P9 o- j$ g6-302 Overhead Consumer’s Service Conductors
) {* q$ A# q7 A# T' D# i6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
* v' {+ N6 n# L6-306 Consumer’s Service Raceways
$ G# T+ c+ a7 p# _9 }9 L( s% P1 U6-308 Use of Bare Neutral in Consumer’s Service
. {( c, A& X* w7 \) B6-310 Use of Joints in Consumer’s Service Neutral Conductors8 R6 o7 n" H8 |4 ^$ t- m
6-312 Condensation in Consumer’s Service Raceway
! q8 z$ a& G; r" m" U+ e, oMetering Equipment
S* M9 f, x1 L H- m2 _6-400 Metering Equipment0 G5 D) v! x2 u( j' c$ M4 e# P
6-402 Method of Installing Meter Loops! H4 p9 @& M; I$ q0 U
6-404 Enclosures for Instrument Transformers/ K% D/ n% N. q( {- I" L
6-408 Location of Meters: ^7 y8 B# L" I6 L4 k: }" n) _" M6 H( d
6 [+ y" S( z2 `9 KSection 8 Circuit Loading and Demand Factors
; O) e: G3 _* L4 ]2 oGeneral$ H! z& e1 F7 g. j- x( k
8-100 Current Calculations# {0 e: S7 f7 O* g* ]
8-102 Voltage Drop ( see Appendix D)" G6 E! i b* @2 v$ m
8-104 Maximum Circuit Loading
I; \, ^% N6 m! ?' M+ Z6 J5 q8-108 Number of Branch Circuit Positions
: G/ o1 \) | S0 S# y6 H8-110 Determination of Areas- Y( U. O+ X0 g8 b
Services and Feeders
: B% z* p+ p! r$ g8-200 Single Dwellings (see Appendix B)
# W3 y; o$ p0 O( r% C! K' G8-202 Apartment and Similar Buildings
7 H7 P8 o4 d: A% o1 C+ M$ Z8-204 Schools# b1 h( L) Q5 e8 p8 j3 c
8-206 Hospitals/ d/ _& J6 V" y
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
0 H, E: V' ? y8-210 Other Types of Occupancy (Table 14)& O( Q% q4 b. s! P+ l! L
8-212 Special Lighting Circuits6 F6 r i8 ?; ?- m" Y1 `% ^* B% J
Branch Circuits
- p8 }+ T8 D5 A& ~8-300 Branch Circuits Supplying Electric Ranges
8 v! R8 L$ O; g& r/ v9 Q8-302 Connected Loads" n9 d" h; F! D8 U# X }
8 {4 H0 z) d' V! v; YSection 10 Grounding and Bonding# _' v g7 M- r7 x- w5 I
Scope and Object$ t- w- J/ Q% [: c" A
10-002 Object: d1 t! h* M5 H0 V0 o2 A
System and Circuit Grounding9 ~5 z2 f, k& ~3 [6 T
10-102 Two-Wire Direct-Current Systems6 D. a/ r3 I- r( G
10-104 Three-Wire Direct-Current Systems
. [5 F& P8 q9 m10-106 Alternating-Current Systems
( L) f0 U) \; h& y2 ^/ P10-110 Electric Crane Circuits
+ _* A2 M$ U' y2 j4 s+ D" l10-114 Circuits of Less Than 50 V( u! ~5 ]" n# z- ~9 }" i
10-116 Instrument Transformer Circuits1 S% F7 A9 U0 \; h
Grounding Connections for Systems and Circuits) S% ^" j& g" D M0 C6 H, D
10-200 Current Over Grounding and Bonding Conductors/ @4 c: B2 I& T: Y1 U/ X
10-204 Grounding Connections for Alternating-Current Systems; n2 t W) j/ |5 ^% E
10-206 Grounding Connections for Isolated Systems3 J# @% f h5 l3 }& O6 _9 ~) b
10-210 Conductor to be Grounded
3 j) N; T& D% \Conductor Enclosure Bonding4 L6 q3 `. n8 H7 [8 V7 H; L3 D
10-302 Other Conductor Enclosures* f1 M$ I7 V9 q7 l8 H2 Y
N 10-304
9 b& ^/ X0 t- x3 p- PEquipment Bonding& b3 o, g5 K. z# d- A. {
10-400 Fixed Equipment, General
0 E6 I( Z6 V/ a7 ?10-402 Fixed Equipment, Specific (3), (4)
+ @7 @& M; a& d0 @10-404 In Nonmetallic Wiring Systems
$ R X; U$ P9 E3 W( M/ \10-406 Non-electrical Equipment% Z7 [0 l9 C- j! H8 R
10-408 Portable Equipment (4)(b)5 Y+ Z* G3 I5 `# ?/ B8 ^) k8 Z& i
10-410 Instrument Transformer Cases) L/ B1 k" B# E, R0 c8 ~+ `
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
/ c6 e' t, d& s3 B! R10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V" @# f, q& O# }7 r2 G4 ]! t
Methods of Grounding
: i7 m, _" {1 R1 U1 ~( q10-500 Effective grounding (see Appendix B)0 G0 b) z# _- n/ L
10-502 Common grounding conductors6 o6 U9 M; C8 l3 E) H3 L
10-504 Common grounding electrodes" y* K5 n1 p* H' [8 Y& Z) |
Bonding Methods
3 X: X& ~. x# q10-600 Clean Surfaces9 q3 E$ v9 ], g- c% X# v
10-604 Bonding at Service Equipment# ]- r1 z7 V! L4 Z% v0 e$ r
10-606 Means of Assuring Continuity at Service Equipment- @4 J$ `$ t k) i
10-610 Bonding at Other Than Service Equipment
3 f# B) w/ @+ ^0 `9 b6 |6 {4 C6 E10-612 Loosely Jointed Metal Raceways
$ h, [4 A# b# U5 f* N/ F E10-614 Bonding Jumpers Table 41
$ P! I3 I9 r) W: c% [# QGrounding Electrodes& p+ C3 o) N* c! {2 I$ H" R
10-700 Grounding Electrodes
6 q0 R) X+ f5 D z7 M9 x! {10-702 Artificial Grounding Electrodes
6 d6 |, I: s9 f; M( L# Q% r* dN 10-700 & 10-702# m# K2 B G" H: d6 j/ y2 Z
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)6 x! w' [. y _ G+ F% e
N 10-702$ }5 D0 X2 q$ U) f
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding9 d( e) c( M$ L3 H1 V( T7 D# {
N 10-702, T% f/ Q% }0 e3 N* V
10-710 Use of Lightning Rods (Appendices B and G)4 ^8 ?$ K1 @& f6 \
N 10-7069 }' Q% z+ ~5 B
Grounding and Bonding Conductors
( t0 V/ S) _# \/ P; d" b10-800 Continuity of Grounding and Bonding Conductors+ L3 n: a+ U/ w) \2 k, s/ N
10-802 Material for System Grounding Conductors
9 W3 p2 }; z& J% d10-804 Material for Bonding Conductors8 p9 R9 D2 H, c
10-806 Installation of System Grounding Conductors
- {/ Y+ A2 l# F% s! X10-808 Installation of Equipment Bonding Conductors
) p7 a5 x9 u" p7 |2 P' J10-810 Grounding Conductor Size for DC Circuits8 l9 x; }* R8 B3 g" G( l6 _) R
10-812 Grounding Conductor Size for AC Systems (see Appendix B). \) H" H a/ c
10-814 Bonding Conductor Size (Appendix B)
8 p1 F6 a O7 i$ R9 f6 a3 H10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment k" Q; o3 P6 G
10-818 Bonding Conductor for Outline Lighting- r0 D& X" d+ J0 f) u7 `
10-820 Bonding Conductor Size for Instrument Transformers) U4 M, g0 O- Z
Grounding and Bonding Conductor Connections
' J, y' l5 u8 A10-902 Grounding Conduct Connection to Water Pipe Electrodes
7 z/ g4 H& G; @' C$ j10-906 Bonding conductor connection to circuits and equipment
7 c" [ h, k, N10-908 Grounding Conductor Connection to Electrodes1 `* L2 C# l& _/ ~/ t8 c: B( b
Lightning Arresters
" s5 h" O9 W" g. y, R! |10-1000 Lightning Arresters on Secondary Services – 750V or Less, i; ?! E+ J; A! ]
% t+ v$ E6 y3 I7 G8 jSection 12 – Wiring Methods
6 ]/ ?* U2 b# k# @0 h9 k3 UScope# u: [- }5 W# S6 h
12-000 Scope (Appendix B)5 Y3 ~% `' t8 r. H" n
General Requirement
0 |* q8 b, E% P4 I, o, j12-010 Wiring in Ducts and Plenum Chambers
" P- _% ^6 g" a7 X5 h) u12-012 Underground Installations (Appendix B)" s1 k# Q0 _6 Y5 m- h
12-016 Lightning Rod Conductors
- G" N6 [) e |0 hConductors - General& z* j: a7 ]3 n2 `. p+ p9 L
12-100 Types of Conductors (Appendix B) Table 19
( x' X8 u$ U0 r( n12-102 Thermoplastic-Insulated Conductors+ i! p e" i$ l! [
12-104 Flame Tested Coverings) c! F- S( p; k2 _- z
12-106 Multi- and Single- Conductor Cables
3 V) e4 n' p" u$ N12-108 Conductors in Parallel (Appendix B)
7 q1 v- `! G% W2 o* N12-112 Conductor Joints and Splices
1 Z R7 d$ b) p/ g12-114 Ends of insulated conductors+ g1 Z, k' k3 q, I5 n8 l" T6 N
12-116 Termination of Conductors (Appendix B). @7 G! `! _7 o
12-118 Termination and Splicing of Aluminum Conductors2 D* o1 h0 j* v m
12-120 Supporting of Conductors - Table 21' U0 f; Q6 N2 Z* y
Open Wiring- e$ Q) i9 i/ F( v. ]* e, o
12-204 Spacing of Conductors$ E8 Y% e7 v! J, x( h
12-206 Conductor Supports
+ K. Q7 F: }- W4 n* p7 M3 M, {12-208 Conductors on Flat Surfaces
3 J/ n- g; H* @' F7 d" w; R7 q12-212 Protection from Mechanical Injury
8 g0 H% v' [/ I+ `Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
& [( e# j; V0 z12-308 Minimum Size of Overhead Conductors
8 P P0 y+ A9 @* o9 G12-318 Use of Neutral Supported Cables7 l2 T3 T, C6 c1 t8 Z& V
Nonmetallic Sheathed Cable8 z3 Y: E- I$ H# [
12-502 Maximum Voltage
( n( \1 ]+ T/ X12-510 Running of cable between Boxes and Fittings (Appendix G)
: |* T* Q3 j: |8 x- M- [! ]12-514 Protection on joists and rafters
7 h0 H# r g1 @- l! @9 h1 {' p& q12-516 Protection for Cable in Concealed Installations (Appendix G)/ s2 ]" S+ H, P6 ?4 ]
12-522 Where Outlet Boxes Are Not Required
# G! t: ^" F+ K3 M' g YArmoured Cable! e$ T% b) l, T' H5 B" y7 ^' L- j
12-602 Use (Appendix B)
* V/ V# _) c7 Z. H5 S4 z12-604 Protection for Armoured Cables in Lanes6 O+ u+ e/ t2 `
12-606 Use of Thermoplastic Covered Armoured Cable
9 b' U/ t; t* D12-608 Continuity of Armoured Cable
$ E8 I' f7 U' e E1 W) W" |12-610 Terminating Armoured Cable
2 _# r3 f1 O2 v3 w# i12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
1 o" G/ I' d9 Z' X4 Y% |9 g+ O2 F12-614 Radii of Bends in Armoured Cables9 X- ^8 a4 e1 c/ R# h" t
12-616 Concealed Armoured Cable Installation
- R/ I8 w: _4 v: P9 M12-618 Running of Cable between Boxes, Etc/ Y& o' X9 `3 P' @2 W& ^* d
Mineral-Insulated and Aluminum-Sheathed Cable% J$ Y- K6 r3 O, d& i4 s! D- L
12-702 Use+ L. O9 e& G$ h$ C& _& M
12-704 Use When Embedded
' G3 E% X9 W; M+ ]4 s5 @$ p% }12-706 Method of Supporting
2 H( u7 X& {4 `6 w# _$ `12-708 Direct Earth Burial6 w. i' t' h, K V. S) n- L) M2 R, m
12-710 Mechanical Protection
7 L$ O. N0 Q$ V$ S5 c( {; c5 E12-712 Radii of Bends8 U- n" @+ a6 k. r7 f9 Q
12-714 Termination of Mineral-Insulated Cable (Appendix B)% [+ O2 ^/ j, @* B
12-716 Connection to Other Forms of Wiring
$ S" q X7 i0 b) l3 c4 }% w$ DFlat Conductor Cable Type FCC0 [4 A, `. @- }
12-804 Use Permitted5 t3 q- q2 e1 R7 z5 r, K! }
12-806 Use Prohibited4 C" P$ Z3 L) M R+ l! h" L
12-818 Anchoring6 R z3 z: M* h% x3 }$ ?/ l P" N
12-820 Crossings
/ @4 {* `" \4 fRaceways - General
2 X# A }1 {$ B2 J12-904 Conductors in Raceways
7 |# f% \# ] J12-906 Protection of Conductors at Ends of Raceways e$ H0 L& t1 H) o7 D8 m5 f
12-908 Inserting Conductors in Raceways
: N+ @) v7 w+ Q12-910 Joints or Splices Within Raceways
) \9 T, F* }3 h# c12-912 Stranding of Conductors' b; s* u. _& k+ k
12-914 Electrical Continuity of Raceways
7 r- `& x& B* H12-922 Radii of Bends in Raceways
1 ]. B$ g8 N6 V2 |% qN 12-922 Radii of Bends in Raceways Table 7
$ @$ B( {* \2 v3 R0 c12-932 Protection for Raceways in Lanes( R4 ]3 y2 P4 C& O# ~. n' N
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
4 Y+ m8 A8 h& t12-938 Capping of Unused Raceways* M9 v7 d$ t) W+ V/ K6 {$ C8 {0 v
12-940 Maximum Number of Bends in Raceways1 ~5 b* b; l* V% C
Rigid and Flexible Metal Conduit* ^/ U( N) `8 o& ?( D
12-1002 Use
4 M3 w+ D. r9 @( P i12-1004 Minimum Size of Conduits3 C0 q4 k: e2 i) C. Z/ {
12-1006 Conduit Threads (Appendix B)( }$ ^. a6 x4 g6 o2 x! R
12-1008 Thread Engagement
* x5 n* y3 A0 X$ N: N/ P0 v12-1010 Maximum Spacing of Conduit Supports0 q1 ^; \! N; W% N
12-1012 Expansion and Contraction of Conduits (Appendix B)5 E. e8 b8 ^; Y0 k- d) K: t
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 6 z0 E5 E+ ^; }8 ^( r! `% \) @
Rigid PVC Conduit and Rigid HFT Conduit
( ^6 {# z& o. _& _$ h2 r& B12-1100 Use0 O, h$ L# M5 _$ o$ J* J
12-1102 Restrictions on Use2 r0 v) c. B( ]/ u
12-1104 Temperature Limitations (Appendix B)6 P8 g+ i1 g) b
12-1108 Field Bends (Appendix B), (2)5 c V% G! x: A! D5 J/ L; |* R
12-1110 Support of Luminaires: I( t+ e Z2 V9 q; U" Q N8 K7 ~7 U
12-1112 Fittings
9 j& P, e7 |: u: A12-1114 Maximum Spacing of Conduit Supports, b: Q: g% h Y* M1 U- M
12-1116 Support of Equipment2 Q3 w- _+ ?! i' r, D( e& x1 r
12-1118 Expansion Joints (Appendix B example)
) U4 [% g/ Z0 `7 C3 X' dRigid RTRC Conduit/ b( d0 r6 j2 }% r6 Q- U
12-1210 Temperature Limitations ]4 c: g# C1 j% j
12-1214 Expansion Joints (Appendix B)0 n* R" S7 x* I3 |4 ~5 z3 Q
Liquid-Tight Flexible Conduit
2 ^ r: t5 a a% n12-1302 Use of Liquid-Tight Flexible Conduit
. s6 {' @9 P. \9 Y12-1304 Maximum Number of Conductors4 G( @. F5 W4 x3 L q0 N- B8 A, n
12-1306 Provisions for Bonding
. W* q& b6 ?; h" C. F' `: BElectrical Metallic Tubing
- m' K6 D. g( y" r- H3 P12-1402 Use( z( }* i/ R9 f: V- j7 A5 }0 j
12-1404 Supports! t1 F& U# [# c7 G! ^& Q5 N
12-1406 Minimum Tubing Size7 ?' y1 Y6 H. ~& Z
12-1408 Maximum Number of Conductors* n* P) E6 I( U# E9 g8 Y
12-1410 Connections and Couplings% A9 J: y$ l! C4 \% B
12-1412 Radii of Bends in Tubing
" y# h* G6 w, L# FN Table 7
+ ~0 D( E g; c; UElectrical Nonmetallic Tubing
; ?1 U: A3 B6 ^, X8 M9 k, a0 k( a12-1516 Provision for Bonding Continuity9 f8 ^2 p( K3 I3 ]. q( I" K
N 12-1514
! e$ \. h7 D' P. qSurface Raceways) l" K- G P1 j% y
12-1602 Use of Surface Raceway (Appendix B)
4 V3 ?+ y5 s& p9 f( p12-1604 Temperature Limitations4 R/ R5 T7 S9 g, |. l
12-1606 Conductors in Surface Raceways (Appendix B) T' I# ^9 P' |; r1 I- S5 m
12-1608 Maximum Voltage1 }% A' E8 N9 T- q& A. t6 ]5 v
12-1610 Joints and splices 3 Y. n5 s7 y$ L/ G
Underfloor Raceways) F" q$ Q. S! w& A# c# k
12-1712 Discontinued Outlets in Underfloor Raceways
+ h5 m$ \0 T) |9 ~2 `& QCellular Floors
2 Z# i( @; C8 e; `12-1804 Maximum Conductor Size in Cellular Floor
+ f) l; d7 G' s8 W' d, e. K12-1820 Cellular floor discontinued outlets& @- N( W* z3 k: b5 Z# I
Auxiliary Gutters/ c- p$ S Y8 Z! s/ p' R- _& c
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
# b3 B2 x4 Z1 k$ _% R& R12-1902 Auxiliary Gutter Supports
& @( r) b1 u9 I& ^% u9 q12-1904 Auxiliary Gutter Cross-Sectional Area( a: ~3 k6 ?+ k" c
Busways and Splitters0 {$ O- U B# C& s8 o
12-2004 AC Circuits in Busways and Splitters
2 p) `5 u. Q3 ~/ b; d( N0 h12-2006 Busway and Splitter Supports; C8 ^% d# [9 ^# V. E
12-2008 Method of Installation of Busways! p: `3 T* g {* i1 o: f- a( U# s9 I
12-2012 Reduction in Size of Busways- N I/ A' Q) k i9 R$ g
12-2014 Length of Busways Used as Branch Circuits
: U* X/ ]) d. ]1 O12-2018 Taps in Splitters
% t1 _: v% L7 @' l4 J4 d, H$ qWireways
8 ?/ n+ A- d1 r& m12-2104 Conductors in Wireways/ H6 r/ c6 I. n& G* s E
12-2106 Taps and Splices in Wireways# E7 o7 }3 D. G& H% v6 G- M. V
Cable Trays/ M/ g- V" \* v7 _
12-2200 Method of Installation (Appendix B)
; G' A0 H( m. [) r1 u9 y" x; v$ w* {12-2204 Joints and Splices Within Cable Trays
" C9 l( K+ G' S12-2208 Provisions for Bonding: s" A5 p) }% r
12-2210 Ampacities of Conductors in Cable Trays
- o' t. F# {" b% r! C2 p3 Z# VInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings" Z9 }# v. Z6 J& r8 @1 a4 m" W
12-3000 Maximum Number of Outlets Per Circuit* O+ r0 t3 I% O, Y3 f5 j' z
N 8-304+ r# u, f# w/ K d
12-3002 Outlet Boxes (Appendix B)
: h1 l4 K7 Y/ {5 SN 12-30009 P6 z7 U# Q! }$ B6 d( N$ Q8 t
12-3004 Outlet Box Covers
) m7 l( ~9 S/ }0 G8 p" ^N 12-3002
: }! X5 t! E2 y8 q* P. `12-3010 Boxes in Concrete Construction
- c0 M: {. v$ e. A# j: DN 12-3008
! v& K. l4 ?6 I& g( m& t7 B: X12-3012 Outlet Box Supports
: N6 J: _. c8 S5 ?2 A& [N 12-3010
' E+ ?: C G) Z. w12-3016 Accessibility of Junction Boxes
/ E) j" t" u. E8 ^2 ?9 l) S1 BN 12-30141 v5 d: V: P2 ]
12-3018 Flush Boxes, cabinets, and Fittings
2 s# x9 J5 _; _2 {2 g9 k* iN 12-3016
( @- [1 @3 D" L0 O3 a8 s' _12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 9 t% V( C4 H0 F# s
N 12-3022
- \5 n" k+ c- R9 Q12-3036 Maximum Number of conductors in a Box - Table 23. b) U7 Z, I" [5 U# K* q" y' t
N 12-30341 w$ ~2 W" t, S0 i" e) g
12-3038 Pull Box or Junction box Sizes
; Q: O/ C4 u5 D$ G$ R XN 12-30368 \0 d# @( B' c! e! M: U+ q2 C/ Y
; j- t3 p% O+ N( |
Section 14 Protection and Control
4 F1 g9 E4 @, C% w8 MGeneral Requirement) A5 L* Q5 ~; @& r+ C$ L
14-010 Protective and Control Devices Required
: l, R- b( K# c9 h+ i! j% k8 m14-016 Connection of Devices
% U: Y d( b$ g$ D) E" r8 t' a* E8 r Protective Devices – General
. {/ u# A9 z0 F9 Z7 S 14-100 Overcurrent Devices Required3 F* M8 `/ ~2 w
14-102 Ground Fault Protection (Appendix B)# x9 q! g9 n$ X) l8 z8 V; C+ j. e
14-104 Rating of Overcurrent Devices (Appendix B) Table 13, s0 K% H( u4 p* I0 f2 X" V, @
14-112 Overcurrent Devices in Parallel
/ f p( B* ^/ ~6 {Fuses
; S8 H( F( A$ g2 b9 E- V14-200 Time-Delay and Low-Melting Point Fuses- G c H; j& i' r% Z/ @% h
14-202 Use of Plug Fuses
7 f2 T. h! U4 O% @/ y* y& x14-208 Rating of Fuses {- p1 ?- v4 p7 O; q& \/ U: F
14-212 Use of Fuses (Appendix B)5 S6 [: l# C [3 S1 K4 {5 c
Circuit Breakers! U, R+ n9 @+ R/ v
14-300 Circuit Breakers, General
/ X* L+ I, ], ^( ]" B14-306 Tripping Elements for Circuit Breakers
# D, B8 l O9 d: K# s14-308 Battery Control Power for Circuit Breakers# P5 y- r1 x! p, Z- u+ N4 p
Control Devices - General4 u6 I8 X4 _: J3 L& }9 j! ]1 W
14-402 Disconnecting Means Required for Fused Circuits( d, I- ^0 z2 ]9 D; g
Control Devices - Switches
" M, B+ q9 {7 ~: d, ]! g/ |9 F14-502 Mounting of knife Switches( v. _5 \3 g' p: E4 r& s
14-504 Maximum Rating of Switches
& }$ _7 X* C8 V/ \* ~1 T/ j14-508 Rating of General-Use AC/DC Switches (Appendix B)8 L* y/ D6 V3 d& c
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
" h7 ]9 M7 {9 n8 Y# T8 C, ?; _: pSolid State Devices, \7 I% W' y& R* F; G' C
14-700 Restriction of Use v2 k5 i! {$ S+ {2 i
14-702 Disconnecting Means Required
" V: j, n8 y5 I- p* Y7 T* C$ j; {% [1 m0 A5 {0 Q9 ]$ @
Section 16 Class 1 and Class 2 Circuits
1 G! O9 u/ w2 e5 P4 M" Z2 X5 cGeneral) X* ?& p. a$ i }& j' b) D6 u
16-004 Class 1 Extra-Low-Voltage Power Circuits. r$ b I1 l. ]4 P( T4 C! A3 c
16-006 Class 2 Low-Energy Power Circuits
( `! Y* r' L$ {0 W4 S! E7 k0 H& Z16-012 Circuits in Communication Cables
* M X! d0 d$ s1 D" |% N# z3 C; p/ |& NClass 1 Circuits
6 H4 f3 _7 m, ^16-100 Limitation of Class 1 Circuits
+ h2 z8 N5 W2 c" i$ q6 O& F16-104 Overcurrent Protection of Class 1 Circuits, V) k y6 @. i, j: C; W& R
16-106 Location of Overcurrent Devices in Class 1 Circuits
; \( d5 e& [7 A! Y# f% `" K16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers3 f. a( _& ]' W3 D" ~
16-110 Conductor Material and Sizes
: X& c; N0 t& f, S/ N3 F16-112 Insulated Conductors for Class 1 Wiring, O9 t3 n2 ^# {' P" c9 Z0 I) H
Class 2 Circuits
, }) I" p% T5 ^7 ?5 Q1 s16-200 Limitations of Class 2 Circuits (Appendix B)0 ]) j0 @) r" N2 z( E3 q' m
16-204 Marking# s% t! }0 ^ E4 j# \0 B, v
16-206 Overcurrent Protection for Class 2 Circuits
2 _" H7 l+ O. D! }6 R6 ~" M. R16-210 Conductors for Class 2 Circuit Wiring (Appendix B); C: V( }9 M! l. H: V2 E8 l4 H
ELC: extra-low-voltage cable
: M! Z: Y) P0 ~16-212 Separation of Class 2 Circuit Conductors from Other Circuits% F( Y$ A/ g2 n: O
9 D9 c6 b6 Q" ], T# S
Section 18 Hazardous Locations$ y7 c' z2 u j, ~) o
Scope and Introduction
: m7 P. t5 t1 s5 a18-004 Classification
! \" h% |. j8 ~% p; ]4 v( T- n6 G6 `18-006 Division of Class I Locations (Appendices B and J)
8 u) ~9 x6 ]# h% R; L18-008 Division of Class II Locations (Appendix B)" v' z" V5 B3 z, p4 A6 B! b0 l' u
18-010 Division of Class III Locations (Appendix B)9 i. E$ u7 u) M8 _
General
% W" e5 W9 S8 x' }18-062 Metal-Covered Cable (Appendix B)5 ~% B% A5 @0 \; e# u( [
Installations in Class 1, Zone 1 Location
! l; L$ Y: ?- A5 u/ T, P0 n18-108 Sealing, Class I, Zone I (Appendix B)
0 {! N4 c, x* J% z! k6 U- C# V0 ~* P, K1 [) c
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars& d. ]+ a; ~$ u9 s
Gasoline Dispensing and Service Stations
9 e X. l$ q2 R; M1 b20-002 General
' X0 J) H, F6 X# b, ^* y) T, V2 q20-004 Hazardous Area (Appendix B)
( A( R5 B9 J ?. t/ S+ ~2 fPropane Dispensing, Container Filling, and Storage
4 n7 }8 F; Q3 i" u1 ?, \20-034 Hazardous Areas - Table 63/ g% w2 l- ]$ S B* Z% M
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities; `& C- n# | q6 V# p( H( r
20-062 Hazardous Areas
7 X4 w$ n' y, ?- [ M X6 qCommercial Garages – Repairs and Storage7 \& @ V' d( ~: E* \/ E
20-100 Scope0 V% U4 S+ E6 |( z- W8 I2 b
20-102 Hazardous Areas (1)
* M0 n7 V3 T' \& l8 @5 b
. X8 M+ c/ V+ uSection 24 Patient Care Areas z. D) k' W3 A4 e
24-000 Scope (Appendix B)( H( U& l2 h* B3 @9 X" ^, A$ q3 [3 S
24-002 Special Terminology (Appendix B)
3 I) z X5 [; D, C Q( e1 j; \ Patient care area
+ Q' F( W- x6 u; @ [! _Patient Care Areas
. C+ w8 K3 r; Y E: u4 X8 `- d24-106 Receptacles in Basic Care Areas (Appendix B)
; e; @4 k: e. lIsolated Systems6 `( f# P/ J6 Z# x: x. U
24-204 Single-Phase Isolated Circuits (Appendix B)1 H; L9 t/ t8 K* A4 m, X* f
24-206: F) T6 V9 R) n! t9 Q. a6 ~
1 ~' j4 D/ O/ K' i( PSection 26 Installation of Electrical Equipment
. x# H) r$ Q8 I" qGeneral
[/ ]' `& M: a+ B& ~$ |26-004 Equipment Over Combustible Surfaces (Appendix B)
9 [& i& T' K$ I9 v26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)3 A5 l; |2 h/ ~. E
Isolating Switches
: h, [/ G: v: R' J0 u26-100 Location of Isolating Switches
2 B# n0 G# n6 ^Capacitors
+ L: ^, V0 g! r: O# g26-204 Guarding of Capacitors
5 z+ ~. i# M/ m2 h1 m. M9 y0 n7 Q26-206 Grounding of Capacitors
6 [! b; X( ?5 J: J26-208 Conductor Size for Capacitors
$ H1 y) |5 N. w26-210 Overcurrent Protection (Appendix B)
2 ^) y7 n: v, ?" B4 `# Q8 O9 d0 p26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
2 }' f" g: L, C26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
. W% w# |3 \4 ~* _9 l4 m$ p26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits, l, A7 y8 s$ M* I9 K& W3 F) P
26-218 Special Provisions for Motor Circuit Capacitors
4 O7 D+ c+ c- t0 N26-222 Drainage of Stored Charge of Capacitors
; U( O4 C0 T# A6 |* ATransformers+ i; ]" W2 m6 H4 i3 N7 q
26-240 Transformers, General1 m, B; p& d2 O o N9 q
26-242 Outdoor Transformer Installations: N+ I0 d, k& V) }+ O: q$ V
26-244 Transformers, Mounted on Roofs (Appendix B)8 s/ i7 G% r: k, \
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
2 d, P' }4 K1 Z26-248 Dry-Core, Open-Ventilated Type Transformers
5 I# X# Q K2 R26-250 Disconnecting Means for Transformers8 C J3 k( K2 }1 q5 J9 c
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V$ k$ o- I1 Y2 ^9 X" G
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers) [3 n8 @4 ^3 U3 \/ [, G5 I% r
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)) M4 Y7 t' V$ i+ x9 A9 L
26-258 Conductor Size for Transformers
. @; N P" z, w26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)+ `# o& \ [- x* L! A& _( D4 y, y" M" B
26-262 Marking of Transformers% h% S: t r: ]8 _; r2 k+ `# c$ n
26-264 Auto-Transformers) ]& O% }5 G1 }$ X4 }7 t+ i
Fences* _9 D V0 R( I# R: A
26-302 Clearance of Equipment - Table 33
/ U( k* v! n* T7 {# b; yPanelboards% M# b& j) X! }3 w- V
26-400 Panelboards in Dwelling Units (Appendix B)" s; }! R/ g0 R: Y
26-402 Location of Panelboards (Appendix G), f& b ^+ ~: X8 ^# j; t
Lightning Arresters0 U- O3 V: b/ K- A I9 [0 w7 v
26-508 Connection of Lightning Arresters8 D' x; j1 K4 Z+ D5 @
Storage Batteries" l* f5 i5 X5 e7 ^
26-542 Special Terminology! ?5 R6 M! _ s) ]: n4 B
26-550 Battery Installation6 z* Q1 q% {6 _5 W0 R8 _- ]1 g- r" L- m
26-552 Wiring to Batteries ?0 O& u6 B, [& K
Arc Lamps
8 O% x. I( m, Y9 n26-600 Location of Arc Lamps( f( F" S& y0 D
26-602 Conductors to Arc Lamps6 {1 |; B8 m9 e8 Y
26-608 Globes and Spark Arresters6 Z( Q c- e# ^, n
Receptacles# p- [1 `! S4 t- q
26-700 General (Appendix B)
% b- X* n7 B2 l+ U: a6 \26-702 Receptacles Exposed to the Weather1 a' [/ `8 G3 u, a4 [
Receptacles in Residential Occupancies8 R, U! I$ t+ T
26-710 General (Appendices B and G)
9 h, q2 j9 n: ?- f26-712 Receptacles in Dwelling Units (Appendices B and G)
, d* Y1 x* M1 w* C. N26-714 Receptacles in Single Dwellings (Appendices B and G)0 l) M9 [; Q7 D
Branch Circuits in Residential Occupancies
" @$ u0 ]: d; ]4 a+ `) y4 ]6 E* h26-720 General+ Q+ v( W1 Y* _0 c. X
26-722 Branch Circuits in Dwelling Units
3 V, W% S, a! [1 L8 E26-724 Branch Circuits in Single Dwellings' k# k( t" T, \/ A4 U9 B
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
8 e; z& V Z9 W& i8 z, FN 26-720 (F)
0 h6 d S2 E1 O' O* Y; q& nElectric Heating and Cooking Appliances
3 J4 h+ w0 A) p' j1 [3 J26-744 Supply connections for Appliances
; i; p6 J& S% a0 E. Y0 q0 Z) j26-750 Installation of Storage-Tank Water Heaters
( i# G5 K8 u' \2 \26-752 Infrared Drying Lamps1 c% J1 X! V/ ~
5 j* y8 G" a4 S- ]) K
Section 28 Motors and Generators
' A3 J: `7 G# l ` O$ w2 A# K5 ]) mGeneral" D. x% ]6 ~4 _" z; s
28-010 Special Terminology$ |+ e5 F# n/ M4 h# {/ {
Hermetic refrigerant motor compressor
# b6 P7 e' }( V& a7 `7 aLocked rotor current rating" v) f0 t& i1 W2 Y# l# l, l& x
Service Factor
" S8 ]% I, a. TTable 44; Table 45; Table-D2
8 _: G; T. D% qWiring Methods and Conductors7 }9 U5 q$ o& b7 O! w1 u# V2 L
28-102 Portable Motors
/ o& s2 u# q% M8 c$ Z28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
; S3 _7 g" x% u6 x2 H1 }28-106 Conductors, Individual Motors" a$ S& P/ i3 \0 a& i" K K
28-108 Conductors, Two or More Motors* ^: V. K+ H- S
28-110 Feeder Conductors
* g9 x& @( f% i7 Z6 U _28-112 Secondary Conductors. _" n2 u- p& f& B7 F/ o" l
Overcurrent Protection
8 g5 a6 g0 w1 m* q, x$ E28-200 Branch Circuit Overcurrent Protection; l& a2 s/ V# Y+ j3 t. q+ r
28-204 Feeder Overcurrent Protection
9 [: P. _8 C: ?8 @8 T0 r& O28-206 Grouping of Motors on a Single Branch Circuit
: G7 O* B+ l& w6 O3 Q* B9 K8 w28-210 Instantaneous-Trip Circuit Breakers (Appendix B): ?$ L; p& u3 Q- H2 ~; b1 \
Overload and Overheating Protection
6 C$ Z% h& n. C% Q$ f28-302 Types of Overload Protection
6 D- _5 k; c# `0 E2 ?- h28-304 Number and Location of Overload Devices (Appendix B) Table 250 k$ q( r( `3 m/ y! s" K* J# w/ u( g
28-306 Rating or Trip Selection of Overload Devices (Appendix B)' w5 B0 E& J7 s2 m% J
28-308 Overload Protection Not Required
% j" C" Y: C( g# w# t/ p$ g7 `Undervoltage Protection 2 x9 H2 \! W! S0 k1 [% P; U
28-400 Undervoltage Protection Required for Motors (Appendix B)
6 Z7 F+ y% i6 s& X2 b8 jControl
6 H$ X8 }: W8 N+ Y/ m9 `& y+ L28-500 Control Required# v1 O* A+ v- D5 _
28-502 Control Location
9 [% z2 b$ @/ E/ c% {! L28-504 Starters Having Different Starting and Running Position( H" \: \9 I, m0 M
28-506 Grounded Control Circuit- d+ s5 S& p4 m+ p; B
Disconnecting Means
6 a6 M: ^% N3 E3 y5 o% H6 Q28-600 Disconnecting Means Required
! N7 v5 ~5 D# R, B& A0 m( l g28-602 Types and Ratings of disconnecting Means (Appendix B)- ~! v- f% n; o/ V& }/ C( \8 l* C6 _
28-604 Location of Disconnecting Means. S) C$ U, @0 i% C+ N
Hermetic Refrigerant Motor-Compressors; U# P& G S0 E9 Y5 \
28-706 Conductor Ampacity
- R$ ^3 D8 V4 K28-708 Overcurrent Protection# U" y+ [$ C Y- O2 X
28-714 Disconnecting Means
: s: Y) i s0 T9 ]Protection and Control of Generators! p0 ^/ z- ?0 ^2 ?6 T* Y
28-900 Disconnecting Means Required for Generators
' o! f0 |) L8 Y1 H28-902 Protection of Constant-Voltage Generators8 s; c( _$ c* Z% p1 ]. S
28-904 Generator Not Driven by Electricity
& R3 Y( u' p, z7 J28-906 Balancer sets
+ K# H) E* x/ Y- S( U28-908 Three-Wire Direct-Current Generators# \8 r. E" @- p7 n( @. n) o/ c
) C! u. N6 p% c3 o$ n) G( _' g
Section 30 Installation of Lighting Equipment$ z! Y6 e& o) v5 ~; v$ d* _( t0 n
30-002 Special Terminology (Appendix B)/ `& y" _/ m' E5 Z# x3 W+ }! ~/ a7 ^; _& D
General
2 C; S$ g/ M8 h5 J3 [# K+ e( b9 h1 F30-102 Voltage* C5 p6 q# c4 z! I# V8 N
30-104 Protection (Appendix B)
/ H0 M5 h, | t0 l' Y' R# \' d30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment/ J4 X% |# l+ T1 O' i; H
30-108 Polarization of Luminaires3 K& M! r1 E& p' o7 Z0 G
30-110 Bonding of Lighting Equipment! |) A% L r1 \/ C& L) K) U' a
Location of Lighting Equipment
6 b+ y+ h3 p7 s4 ~; e30-200 Near or Over Combustible Material: I' a. d5 I' Z( F, x1 D3 g! M7 n
30-202 In Show Windows
* f5 Y2 X- B% ^30-204 In Clothes Closets9 G$ ^% g0 E5 b: ?% K8 W5 g4 _
Installation of Lighting Equipment- j) m5 j5 O" [ w( X) M, I
30-302 Support
; w9 K ^6 K( T/ u6 t% \# G30-304 Outlet Boxes to be Covered! i- E# v- ?3 c& j7 j8 g o
30-308 Circuit Connections) z. U) m# R5 B) }
30-310 Luminaire as a Raceway
% q$ I0 t+ H3 l30-314 Minimum Height of Low Luminaires4 _ N; `- i5 a- c
30-316 Luminaires Exposed to Flying Objects1 F/ U, `& |, z* [$ u7 l' R& @* } M
30-320 Luminaires in Damp or Wet Locations5 C8 q# ^* [2 n* g G3 ^$ `
N 30-318" d B$ N7 {7 Z! s" x$ q( N) \
Wiring of Lighting Equipment" x; U/ ^5 t4 d- B% o
30-400 Wiring of Luminaires
1 H( ~- |& t, D2 l. B30-402 Colour Coding' o+ x+ S$ N) B- @9 O5 [- R7 ]7 ]! f
30-404 Conductor Insulation
. _. [4 w3 Z& F) y/ i. Y30-406 Conductors on Movable Parts5 m. J" ~+ g. w# n
30-408 Wiring of Ceiling Outlet Boxes9 B4 d1 L7 \; ?4 H" p( d: ]' F
30-410 Wiring of Show Window Luminaires1 F( p1 T* r8 V' ^ @; z
30-412 Tap Connection Conductors# ]6 }/ s9 \! t( z N O: h& k5 _/ L
Luminaires in buildings of Residential Occupancy4 ?. ?2 M3 k* h# X- l; F, V7 H
30-500 Lighting Equipment at Entrances (Appendix G)$ U. X( g+ X; n% t2 j( P9 g
30-502 Luminaires in Dwelling Units (Appendix G)
4 u1 s4 R9 V; G; L30-504 Stairways (Appendix G)
9 `7 y6 B- z: C/ a) c+ H# a30-506 Basements (Appendix G)
3 M9 w" }' _9 V6 N! Z30-508 Storage Rooms (Appendix G)
% @: x0 ]" \8 ^* C' ^" E% g" C) w30-510 Garages and Carports (Appendix G)
: j3 {' E. K! A7 r CLampholders
+ c+ z0 s* u w* A5 s30-600 Lampholder rating with Incandescent Lamps$ N v6 F5 z2 s4 B0 z
N CANCEL1 g' ]$ C0 U; p \3 V8 R" ~, ~
30-602 Connections to Lampholders7 s' Z1 ?" l: q6 R, f# b
N 30-600% {; v; [) I# D2 P- v! H
30-604 Switched Lampholders Used on Unidentified Circuits8 @2 Y+ f2 w' E; S
N 30-602# J7 L7 d0 w3 ?1 g( O
30-606 Switched Lampholders with Pull-Type Mechanisms
) p8 t$ m2 e3 c6 p9 }N 30-6048 ]+ V' c& o b, }: J0 m$ F
30-610 Pendant Lampholders
2 ?2 n" {+ i( y6 m5 e8 [N 30-608
* J% Z' q$ j( D! @Electric-Discharge Lighting Systems Operating at 1000V or Less
3 K& b5 b' C3 k% E1 ^, f! z30-710 Control (Appendix B)5 G" o0 }7 d4 K" b& g
30-712 Branch Circuit Capacity
6 R% |/ Y7 V Z4 pElectric-Discharge Lighting Systems Operating at More Than 1000V
% O6 ]" I$ X; a30-802 Voltages, Dwelling Units; B% S: L4 v9 ]' L* D4 g* K
30-804 control (Appendix B)
+ U' o- E7 y$ X5 `Recessed Luminaires (Appendix G)6 }8 a! w; F5 J- ^4 b; h8 I1 p: [
30-902 Spacings for Non-IC Type Luminaires" O5 v) B5 p/ A4 B5 ~- t
30-910 Wiring of Recessed Luminaires (Appendix B)# n5 K/ Z/ t# E0 e3 O
Exposed Wiring for Permanent Outdoor Lighting, Z ~/ T1 Z( L2 A/ d k& X
30-1120 Branch Circuit Loading and Protection
/ V, ]7 X1 |4 _Extra-Low-Voltage Lighting Systems9 e t- x3 W7 Y8 u" U# n$ J8 b
30-1202 Sources of Supply8 N* p1 N, \! [; d* `9 F( x0 h5 r
3 f; ^ w* h+ X, YSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)* h$ B; R# K( L6 O9 s' `+ c
Fire Alarm Systems( o6 S8 g1 g/ s# J
32-100 Conductors( y' h- m* r# t( s) {) {4 [* ~& g
32-102 Wiring Method8 c4 v8 f+ ?; B& l' _8 y' m( z
32-104 Equipment Bonding# m* ^" d4 ~ C) Z
32-106 Electrical Supervision% K8 y! `, b2 C) P
32-108 Current Supply5 D d% V2 D0 \9 W+ i* _& d
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)' p: l0 K& r0 }9 m
Fire Pumps9 Q) X3 M/ i! @6 h) G
32-208 Overcurrent Protection (Appendix B)( w; w5 ?/ ~" O+ Y% u% v) J! p
N 32-206
7 E9 Q" B6 T2 i, e# A1 X/ \; a32-210 Overload and Overheating Protection (Appendix B)
9 c% n- t: j/ ^1 n9 N+ V k32-212 Ground Fault Circuit Interrupter (Appendix B)$ i% D- f9 u. g" I' `
3 H$ _! e, [7 n9 ^: GSection 36 High-Voltage Installations4 c$ \% |; A2 S6 B, b
General. I4 F$ i- I Q1 f
36-000 Scope (Appendix B), f4 n9 K" h) w' l9 l
36-006 Warning Notices$ d% ^: [) l7 J- e* E. k
Wiring Methods
0 N( c4 D8 h+ P: K7 _2 [# ]: k36-102 Radii of Bends
: |$ j8 e: r* T5 p2 n6 M, a36-104 Shielding of thermoset insulated conductors
/ _2 g: Y; Q8 c5 j3 r* b4 N36-108 Spacing of Exposed Conductors (1) table 30, table 31
( } Y& a- j& S3 J36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
: s, R3 Y2 b! J0 `# |Control and Protective Equipment
( B: o! s2 ^1 U3 E E. V5 y36-214 Disconnecting Means
: c3 W) f9 r7 _" u0 ?% x" S7 q Grounding and Bonding
* i8 J$ U) v+ R% s7 J36-300 Material and minimum size of grounding conductor and ground grid conductor and connections& a6 _4 z3 I& D3 [! d
36-302 Station Ground Electrode (Appendix B)( j, z9 I! W; v
36-304 Station Ground Resistance (Appendix B)% S. w: b, M, `5 E/ A
36-308 Connections to the Station Ground Electrode (Appendix B)
# A, M1 I: ^' m0 m36-310 Gang-Operated Switch Handle Grounds2 H/ L' h1 U# `1 c7 v) Q; f- a
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
( c0 V% l9 ^; {. R" L/ @
3 P/ ~: I/ S6 |- H. r4 |8 ZSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment1 x0 n6 f+ [2 j1 E0 o
38-002 Special Terminology (Appendix B)
, ]0 C- X; c/ n' {4 j38-003 Voltage Limitations (Appendix B)6 Y- L& R; t$ J' U) x$ X' L3 r
38-004 Live Parts Enclosed
# x& M& [2 c/ V: d7 j38-005 Working Clearances
" d$ V# d/ k$ b3 v% X! V38-011 Insulation and Types of Conductors
$ w2 j3 o, K: S( B) I: N38-012 Minimum Size of Conductors) Y- Z0 j! T3 S4 W
* z% u0 e7 A5 t. y& _
Section 40 Electric Cranes and Hoists, n7 G4 x* ]" h) W- s1 D4 w' F
40-008 Disconnecting Means
& K% R, @) C4 K# Y40-010 Main Contact Conductors
8 `; E/ `+ p& x- I/ q H. f* s& [( ]
Section 42 Electric Welders
L6 w8 {9 A" fTransformer Arc Welders; p4 O7 l% }0 K
42-006 Supply Conductors; @( ?1 U- z7 r- ?4 P
8 i' O( w9 Z* P6 C: J1 q1 Q
Section 44: Theatre Installations
1 h: v4 `+ k" U: T9 \ M$ d* |General" S& ^0 J7 B6 ^* b4 n& | E T
44-104 Number of Conductors in Raceways
0 e* A F7 R3 P6 a/ J1 J7 t- {44-106 Aisle Lights in Moving Picture Theatres
, b; P! t* Q+ t5 l* U( PFixed Stage Switchboards
% ]2 T, p! ^5 N& B44-210 Overcurrent Protection7 L' i) S9 @( e1 [3 H r9 G
Fixed Stage Equipment" X" l+ c- s, u4 j5 v& p
44-324 Receptacles in Gallery Pockets
& m# n6 Q) ^( s0 |6 Z. y" [( y44-326 Receptacles and Plugs o+ w0 o" |# @9 _7 Y* ]
, \, W7 u! h! g X% y' O
Section 46 Emergency Systems, Unit Equipment, and Exit Signs& i+ [1 s! Z' E, l) Y( `# Y
General
7 n( M$ z/ C) a46-102 Instructions
/ i/ B" f( \$ `" m2 L46-108 Method of Wiring (Appendices B and G)
0 ]0 N. G; G2 g5 A# V. ?- |Emergency Systems. j0 K% P; O. f
46-202 Supply (Appendix G)
) _3 ]3 r' q5 s5 C46-204 Control* p' o' a# n+ A( _! h9 P0 ]
46-206 Overcurrent Protection X) `- ?9 u7 S# a* G1 r$ g6 Z
46-210 Remote Lamps d3 I6 o6 j& Z4 R) L1 M$ }
Unit Equipment1 w% z0 U9 T2 G( F# W5 P# i/ e! a
46-304 Supply Connections
+ x. H& x! W/ C7 a$ l9 `: Q O( o: M46-306 Remote Lamps (Appendix B)0 z8 `) v6 O5 b5 J5 \* V
Exit Signs) C0 y v6 W* M( K+ {" \: \* }
46-400 Exit Signs (Appendix B and G)
* _, W4 S H3 B) j8 {- X# }0 Y% ^4 J5 k2 y( h9 j
Section 54 Community Antenna Distribution and Radio and Television Installations
* B- } q1 ~& H. q, ^: O54-000 Scope) p5 ]/ T! \' h* P
54-004 Community Antenna Distribution (Appendix B)
( L$ _6 R) m4 ?( V+ n) {2 KCommunity Antenna distribution% [9 [ Y0 z' U P$ I* H5 s i I8 \
54-100 Conductors: s3 `5 N0 C: i1 a( Y0 i6 y4 E
54-102 Voltage and Current Limitations (Appendix B)1 o# s/ @" n: y, `4 ~
Protection
, B9 z9 I5 x. Z2 y54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)4 k. r) h) S7 Q/ M
Grounding
& _. g3 j2 W7 J1 d; l( @54-300 Grounding Conductor
" u8 g4 c& P- Q5 B0 gConductors Within Buildings; \# U; X0 I$ g( e7 u7 G" k# I! l
54-400 Separation from Other Conductors t+ ]; V H* j
Equipment
2 V- d2 A: w5 z- \3 P5 K' u* w54-500 Community Antenna Distribution Amplifiers and Other Power Sources% F/ M" K( C% }' l
54-502 Exposed Equipment and Terminations
9 `. M/ J Y) W$ j
, d1 \- I4 h4 l: o$ K( X8 p7 k* j( JSection 56 Optical Fiber Cables
/ Z* i' h, D. }! p7 I8 {* lGeneral* n4 F5 [4 e2 k1 Z
56-100 Special Terminology0 j2 Z8 Q8 p! A8 |5 X3 X
56-102 Types
7 m; F& D7 S' G( w- ]3 }Installation Methods7 W% g% e+ y9 N* _" L( v
56-200 Nonconductive Optical Fiber Cables (Appendix B)' P( a; U0 J8 z& s
56-202 Conductive Optical Fiber Cables (Appendix B)9 {% M1 @( Q: z3 F) ~" l, q0 d/ z
56-204 Hybrid Cables9 u4 |3 C. P5 I
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B); j, k! r9 } Y1 Z
, X `7 S' V# Q6 N0 K: ?: kSection 60 Electrical Communication Systems6 d7 R6 Z2 N, b/ Q3 d- _2 @) B
General# i7 h0 @9 u% H" O8 E
60-100 Special Terminology
: \* U y X7 c9 q) N+ ^9 ZProtection$ y/ T' \7 b# A/ W9 d; g
60-202 Primary Protector Requirements
`+ A* O+ t4 [" j) ~9 @3 V+ ?Inside Conductors" r% @, Q. G$ \% X7 B0 F
60-308 Separation from Other Conductors( N, A1 l$ X3 f) X
Equipment( h1 R! R5 d' b9 @/ H; Q
60-404 Exposed Equipment and Terminations
0 H+ g5 n7 J( v0 L( ~% hUnderground Circuits4 R: t% J+ N7 _0 N
60-600 Direct Buried Systems! H! H. t( s$ R* e* ]
9 z0 o# e9 T0 C. E1 }Section 62 Fixed Electric Space and Surface Heating Systems
, r% [. |% U9 s2 CGeneral
" D% j4 T" V) y62-102 Special Terminology3 A' V2 n/ o. l0 V
62-108 Branch Circuits2 v& Q: R7 k$ B# j
62-110 Installation of Fixtures
0 K* p) |$ b* k0 v62-114 Overcurrent Protection and Grouping (Appendix B) (5)1 z9 @0 ~2 S8 D* k) w
62-116 Demand Factors for Service Conductors and Feeders (2)
( X8 A7 f& b: X. C" k! S62-118 Temperature Control Devices
, L& U+ g' l- x1 A {62-122 Installation of Series Heating Cable Sets (4)(7)! S$ g9 V1 H3 O# V: n
Electric Space Heating Systems
) m) p9 x* | T+ J' l62-202 Temperature Control6 r; M9 o& g7 B9 o [3 r
62-206 Proximity of Other Wiring (Appendix B)
7 y% e4 o$ E1 t6 k" w5 T J/ j" M62-214 Installation of Heating Panels and Heating Panel Sets9 c2 q( l2 \9 _3 C4 K, G- s: K
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings5 w0 Z; y- q9 k9 h6 ]0 W2 W
62-226 Installation of Under-Floor Covering Heating Panel Sets
# N( C+ S/ m% w+ yElectric Surface Heating Systems
& u# \% A' R2 b+ L62-306 Heating Cables and Heating Panels Installed Below the Heated Surface4 _( p' ?! H" O( U* ` d
. R+ t* I2 x+ ]Section 68 Pools, Tubs, and Spas- f+ f- Y9 t' X) D' T
General
4 h+ [9 D9 V$ s5 v2 ` G/ U9 Q6 c3 r, ?68-050 Special Terminology; N: }8 Q4 d* z; L/ |- C6 @
68-056 Underground Wiring - Table 61
) O! K5 d* g+ W% T, u6 y68-058 Bonding to Ground (Appendix B)( s. ?2 A9 x. ~3 u
68-060 Junction and Deck Boxes (Appendix B). c2 ~0 V0 P3 e8 s* J. A
68-064 Receptacles
+ E$ x3 i8 @1 x* w) h, p; D5 r68-066 Luminaires and Lighting Equipment
. \8 |) V9 ^7 `2 \( C. n68-068 Ground Fault Circuit Interrupters (Appendix B)/ p9 W8 L5 y: ^3 l( @ O
' M% X- |; C* a* L7 o- Q, HSection 70 — Electrical requirements for factory-built relocatable structures and
$ l7 G2 q* H; N- y6 ynon-relocatable structures7 H2 M2 E- n, Q4 m
70-130 Tests (see Appendix B)
6 X2 E$ U. x% ~4 z; d6 b
. P" I4 k$ H! o! t5 w# u! ]; ISection 76 Temporary Wiring (Appendix G)
! y. \' \! X$ M6 ]/ @2 G5 B76-004 Grounding
( R$ l" m @+ m4 ^5 A" p' R76-008 Service Entrance Equipment
/ \6 u+ p( B) E ] h9 ]; b- [N 76-006: v- x y1 W, _1 Q ^
76-014 Branch Circuits9 m9 |: O; j/ b( k8 x$ W
N 76-012- [" C% i$ q2 d# Y' u9 ~5 @( x
6 W+ |1 w" K7 `, s3 U' B/ iSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours, s- {9 O! U9 f; A9 g" c* f
Marinas and Yacht Clubs# C7 V" ~4 ^ r3 @+ s
78-052 Receptacles: Y# n# K4 x! N. V5 Y
78-056 Feeders and Services/ O; ^# y# k8 N
Marine Wharves, Structures, and Fishing Harbours
3 ^7 C) m$ x6 \! d78-106 Grounding and Bonding
# N) @3 x" T `3 zTables2 | i; H5 ]) o2 K/ W; T
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65) { l% {1 I. U$ K) G- Z- v
+ q) h* P2 a5 ^$ O3 a% Q
Diagrams: 1, 2, 7
! i; Y7 v0 h+ ` \, A; W( [# o t7 b# ^) X7 X) W% c e
Appendix B
4 Q0 Y- C1 X+ s6 ~" rP352: Ground fault circuit interrupter- 6mA
6 @' H3 t' ~2 v. `# jP354: 2-126 FT1, FT45 q3 g" i' t' Y L m
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g): n+ D* @- w# `
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)8 z- u( N8 z5 O0 h- y4 T9 O$ _
P370: 12-1012, 1118, 1214 Example:
& U% x/ K$ L, S: U4 iP371: 12-1108
& ?- O! N3 J$ v- b) jP381: 18-108(1)(b), 18-158(1)(b)
/ A8 n: q& E" S- J" YP386: 24-206 Y& p4 E/ T5 ~! w! M
P389: 26-256
6 G6 _4 C9 F/ T; WP391-P393: Section 28, Example to determine Motor Conductors and Protection
- N; {# ]8 J; S% p; b- j' `- {9 {6 Y1 Z- Q, F
Appendix D
- S+ Q+ S5 k% ^! y. ZTable D1, D2, D3, D4, D5, D6, D7, D16 |
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