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Canadian Electrical Code Review Guide
5 b$ _: [, X0 y$ }; }1 LFor the Exam of Electrician For Red Seal License
6 G7 n* \" F' I; E0 E" l2 W/ |; y
Lesson One6 C- M& X1 K% G% A) U; o* p
Section 0 DEFINITIONS% o- o( W$ V& T3 W; M
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
1 i* n" ?/ k7 tAccessible as applied to wiring methods
$ T' a$ Q9 l8 _+ G# l* KAlive or live
. `: `9 ]2 a3 a# E$ J1 O. u \Aluminum-sheathed cable# k2 Y3 P6 Z5 I( s; L" R: j
Ampacity; ]3 S+ l7 Y0 u7 o
Authorized person+ ^! o6 h2 [: u! V' T: M: h# Y
Auxiliary gutter
6 w% l# d a) ~2 k; I/ ]AWG/ s! T9 ]1 [3 C
Bonding
4 e q5 L5 E, B a \4 ^/ Z' FCable tray
5 P+ Z9 \/ O( V- x2 {Cellular floor
0 x" M1 F5 m4 k3 H/ Q0 dBranch circuit/ G5 p5 J9 G, S$ [
Bus2 q( W2 c+ ]( j! M% ~
Busway/ G+ _9 i; ?2 [% y" }) |6 N" Y/ z8 E
Communication circuit. i* ~6 B5 R( j) Q4 L
Extra-low-voltage power circuit3 h- l1 H# Z# v: @' u
Low-energy power circuit
: R) H" [4 `( y/ s% v+ DMulti-wire branch circuit! E; r/ _, z0 g
Remote control circuit
! J0 L H) F9 t! u6 LSignal circuit
! B T; e1 N' {2 H; \" G8 f+ e1 SCircuit breaker9 E3 h: ?2 g0 D& c
Instantaneous-trip circuit breaker/ N1 E5 T/ B( h$ }( v: x. _
Conductor
7 u" k8 o+ O# T7 ^( SConduit0 `6 t3 u3 E3 K! B( a7 Y$ ?4 X9 `
Flexible metal conduit4 R$ U& G( d/ \
Liquid-tight flexible conduit5 l9 r7 q: J: _1 V7 {# W
Rigid conduit
9 U" r" O2 r) x4 D! M( ] Rigid metal conduit
s7 {* X. k- z5 D Rigid nonmetallic conduit) T) T3 G- h5 i
Rigid PVC conduit- a3 b5 D- N, m I7 {/ W# e
Connector
& D& Y5 }9 V$ |; E7 I2 ^ Box connector8 [ j8 y0 V, Y# V1 W0 A
Wire connector5 X2 e; R, F: e* y1 q: m- V
Controller
; U( O2 k0 s) a% I7 _$ N( ]/ f9 QDisconnecting means6 M3 U' T, Q" Q/ _1 U: l; I
Dust-tight
; K# O/ c: R# D9 Q# TDwelling unit
' s. k/ h, T& [* H; u$ A" TElectrical contractor
9 P3 F9 N1 G x* M3 X+ FElectrical metallic tubing
/ ^, H+ r3 e; n( @! IElectrical nonmetallic tubing
) u: K% m& z" q( Q5 J3 uEmergency lighting
: ]3 d# {$ `7 R6 n. ]Explosion-proof) ], M; Y. ^, |+ b# J8 A
Extra-low-voltage power circuit) \% d- E/ I/ |! h, C
Feeder! u: N2 P& t( g8 c1 F8 J4 B
Flexible metal conduit2 _1 d1 K6 X( a9 c- K y, H
Ground: u3 C* A5 B1 K& e5 B+ l) d
Ground fault circuit interrupter
1 o" r( C. G# D9 q3 tGrounded) c& f7 H# Z, d1 y
Grounding
# J; g3 S7 S6 y% o* m: f3 j0 pGrounding conductor
" v$ V" p$ k% G! Z) x, EGrounding electrode
, C N( Q( N1 t4 sGuarded, j# w. J2 I, t- J( O W* e" i
Hoistway
7 f2 r3 V) y3 M# EIdentified
3 ^9 W+ b: `+ }6 iLampholder. [9 M9 q( F }/ H
Low-voltage protection
/ P3 Y- K2 I2 _1 o/ fLow-voltage release8 @! B; Y. L( J! f% |
Neutral
( A- ?2 S9 B5 }Noncombustible construction8 d l: {9 s* t/ ~+ M8 X
Outlet
/ K* T' v+ ]( V4 ~9 kOutline lighting* y& [$ ?" j. x+ l* k! w8 p
Over current device
/ W0 V6 B! E0 yOverload device+ p. t; `8 b: a2 Y
Panel board3 E6 ?$ ?1 f$ e9 z8 e' h g
Panelboard, enclosed
) d/ ~+ p* W* g% ~7 ?Permanently connected equipment8 q- O* O- I ? _2 b
Permit% M4 o9 I9 M9 I3 f; {
Plenum. j9 w# C) ?% t* w3 C
Portable as applied to electrical equipment0 P+ _$ ~" X- U( |' D' e
Portable ground fault circuit interrupter
5 l: I% E; }( o7 I cPower supply cord
1 F; [/ x6 P; C% \4 D* P- pRaceway
* h6 H' B5 {& g% lReceptacle. [9 t2 u# N4 j$ u0 s* n
Duplex receptacle+ C2 s4 F3 {0 g( N0 T5 j! M" B# f
Single receptacle5 T% Q; e$ Z U. @7 W5 P
Split receptacle
) j, B8 L) T" H" BService, consumer‘s' f! x$ h% f; D! u
Service, supply
1 [3 G- {% @/ a SService box
( A& l" ? j/ u1 F, y9 ~& `Service room: v$ \$ q" X$ L( v* u! K/ g
Single-dwelling
1 h: l. [' R; F5 i6 d( p" GSlow-burning as applied to conductor insulation
! t7 m8 |7 l1 zSplitter
$ d: ~3 ?( E& _4 |2 NStarter3 a6 z! f. C8 Y4 W& L( x
Switch
8 p8 J+ S7 K c1 O8 Z9 ^ General-use switch6 w) {7 Y% v* ~9 Z
Indicating switch( ]. j$ t/ C) X4 _; M$ M0 @
Isolating switch7 K/ W4 W; e4 E$ _3 c; s
Motor-circuit switch
( ]* |2 s" X C. @System. c# f8 ^, v; P1 `
Communication system8 z# j# _0 g$ w8 U2 E/ z, n
Community antenna distribution system(CATV)
- N& ]' n7 m- W) q Grounding system8 V; u3 u) M/ F: I
Underfloor raceway/ u8 D: `' t# W% q' @
Voltage:) Z# @! c% l! [) \. j" ?/ @5 D
Extra-low voltage& D5 a* s/ X+ q# \6 O6 A
High voltage
3 [3 x) x( i# K I9 f Low voltage
' e1 r1 `+ O' y7 l$ C2 LVoltage of a circuit- O6 o& p, v: B/ j9 i( m4 g% x
Voltage-to-ground3 o6 x2 J3 P$ Y% f; s5 t& V% K: b
Wireway& n2 @9 f$ Q. b0 T
4 w2 H' b/ ~! l+ g7 M) r7 BSection 2 GENERAL RULES7 m9 b1 m! P6 m. b$ u ?
Administrative
4 M! L3 U* e1 v: B& j9 a& w u2-018 Reconnection4 ^$ o3 ?/ {1 }. S. v* j: `
2-030 Deviation or Postponement- [9 b/ P; {4 ], v1 ?, ?
Technical General! n9 [% i% |- g. n T1 ~/ c
2-106 Circuit Voltage-to-Ground – Dwelling units
1 o0 T8 l0 f& b2-114 Soldering Fluxes
! s, |& U$ b$ h/ b2-116 AWG Sizes of conductors
4 e& j7 o6 y% Z/ g0 X# u2-124 Fire spread (see Appendices B and G)* s4 M" h: m6 b2 r) b) g
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
$ l& c0 u& l1 u; }6 H& K4 i6 }Protection of Persons and Property
/ ^) a( z5 p% l6 D0 l: L2-202 Guarding of Bare Live Parts
( Z' ^* e! g* H% {" t4 V: m& R7 a, GMaintenance and Operation f( l$ d8 R K* v( y
2-304 Disconnection* u% ~; ?0 t/ K0 N; r, r
2-306 Maintenance of Live Equipment
, @) y6 p% Z5 A; u( J# DN 2-306 Shock and flash protection (see Appendix B)
o0 R! j) P& h( o( C9 y3 G; M2-308 Working Space About Electrical Equipment: Table-565 @# k# d# @1 \( `4 Y
2-310 Entrance to, and Exit from, Working Space
& b5 a) L! s) y* f5 s2-320 Drainage
8 Q r4 [! c4 U. D! F2-322 Electrical Equipment near combustible Gas Meters and other Devices) B! z0 ^3 J" D+ M, B
Enclosures! z- i( z& F" K$ [" ~
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
* Q2 N5 E2 z4 U6 m/ T9 ]2-404 Marking of Motors: DP, WP, TE" `' n( s8 X. E% E. _
( V! G& `+ E0 z, ~2 E
Section 4 Conductors8 |8 {* G0 z/ w
4-000 Scope
# S, b4 G' T; H! g8 S4-002 Size of Conductors: 14#, 12#
0 `) x3 _9 X0 b1 y: y0 s [4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
! T n `# K; R0 v# f4-006 Insulated Conductors: Table 19) i9 L( c; T+ N+ V& W
4-010 Uses of Flexible Cord: Table 11
! i. H. d* X& |4-012 Sizes of Flexible Cord# n/ O) C: t6 S# E& P$ x, D; {
4-014 Ampacity of Flexible Cords: Table 12
# h& P, g) E* B, }, @; y4-018 Equipment Wire
4 V/ w. y' X: `9 w8 G4-020 Insulation of Neutral Conductors. K) Q- A9 l: ~
4-022 Size of Neutral conductor/ w7 {: o4 u0 b+ b! N& b
4-024 Common Neutral Conductor# R/ G. ^' T8 e# U( f9 u
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
1 _" R$ ~6 Z& h8 {1 H0 |4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum- S) ]" v6 I. @5 z1 _# W+ `
4-032 Identification of Type MI Neutral Conductors' j7 B+ |9 C. j( ]2 L
4-034 Use of Identified Conductors& ~5 o0 h' Y5 V7 }' k9 ?
4-036 Colour of Conductors: Phase A, B, C, …
3 h9 n9 K, f* _ D1 p, }$ ?) L
% z9 m" X3 _5 Y7 s! fSection 6 Services and Service Equipment# f. Z0 I1 M+ p S9 c
General
+ i- l; e9 ]2 }* B) d0 {6-102 Number of Supply Services Permitted7 s8 ~6 e1 b+ t9 [( ?* [' y- T
6-104 Number of Consumer’s Services Permitted in or on a Building
) |: g( [# [4 W" t9 p6-108 Supply Service from an Electric Railway System
, l; F$ O% }8 B' s6-110 Three-wire Consumer’s Services
+ \ a( g6 R) S' I6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
3 Z+ O3 u4 e% B1 a: q1 J6-114 Methods of terminating conductors at consumer’s service V) T( Z7 C8 n: ] b& y
6-116 Consumer’s Service Head Location
. e w1 i8 L$ O0 T2 dControl and Protective Equipment: B5 h' I" P: n3 x) u
6-200 Service Equipment
. D) b7 ? G3 u6 U! |; u q6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
6 k( B+ D( p5 d) x& j: d8 o. L% b6-208 Consumer’s Service Conductors Location j6 R! P( f% C* Z+ v
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches/ J0 }4 N8 O- |% w3 L" n5 z
6-212 Wiring Space in Enclosures K) \1 U( _5 D9 V( {
6-214 Marking of Service Boxes+ u" B, ~: i: o
Wiring Methods
X7 n4 v) e! P, y( _; q8 K2 W6-300 Underground Consumer’s Services
6 l2 G/ d+ j$ x0 Y/ H$ B5 a9 V6-302 Overhead Consumer’s Service Conductors
9 e# c! t. Y, K6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable5 c6 s' A* I0 ?8 q* M( v3 p
6-306 Consumer’s Service Raceways
& }8 S0 w0 X4 i I- F$ C: P8 L# ^6-308 Use of Bare Neutral in Consumer’s Service
! q# ]( A' q; p0 z s6-310 Use of Joints in Consumer’s Service Neutral Conductors5 f4 l' B# C# ^1 v: I, ~0 U
6-312 Condensation in Consumer’s Service Raceway1 p# U: A) b+ z, |( [, I
Metering Equipment
) ]4 c& k0 e3 k6-400 Metering Equipment3 d6 u; G c9 f
6-402 Method of Installing Meter Loops: ^1 o& H' p: H
6-404 Enclosures for Instrument Transformers9 i$ {2 J: x. ]* s: ?+ y$ s" D7 Z
6-408 Location of Meters
! f: `1 w+ m( E D7 [( Y
0 G! T; |6 u+ p! A! gSection 8 Circuit Loading and Demand Factors/ F' I1 U$ o( Z3 g6 n, F" h- k
General* ]8 Z1 o: f/ ^+ l# P9 A
8-100 Current Calculations
3 j# H' c2 |0 t, \4 h) I3 K8-102 Voltage Drop ( see Appendix D)
4 A' Y! z0 i" y4 g8-104 Maximum Circuit Loading2 L8 c( h8 i1 m
8-108 Number of Branch Circuit Positions
" ]5 z1 t0 [) X7 m8-110 Determination of Areas
# D/ O% Z9 A5 A d9 a* WServices and Feeders. r+ }, B& a/ l7 ~* f( }
8-200 Single Dwellings (see Appendix B)
l2 K3 ~: C* M9 I: e! G+ ^4 r4 X8-202 Apartment and Similar Buildings
- o( a* ?/ x% D& V8-204 Schools, F f7 s# p" x6 m W* `0 v
8-206 Hospitals
% ?6 q( W& y: @' f- \) W8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
1 |2 Q! E5 ~- f1 _$ {. v5 ~8-210 Other Types of Occupancy (Table 14)
; ~/ }, u' e; B. x8-212 Special Lighting Circuits) q8 k$ y$ L# {' `4 y$ r
Branch Circuits
6 [8 k* [( X |6 H) z2 p8-300 Branch Circuits Supplying Electric Ranges7 C1 U" l# f8 }( _0 K3 g$ U
8-302 Connected Loads
4 ~: a# c& D$ U3 P: @. U9 k
5 S! a# _! D/ r3 K/ V. H6 rSection 10 Grounding and Bonding
' f" F( J1 n% h! E4 f" D6 [/ P$ bScope and Object4 Y* P0 `$ h9 e! _+ X+ ^
10-002 Object4 b* F1 m) M" Z7 a* X
System and Circuit Grounding. n1 W) E* c; N" q% i2 H0 z
10-102 Two-Wire Direct-Current Systems' R! ], Q# V9 \# G. B( B' A
10-104 Three-Wire Direct-Current Systems5 P& s/ V" q: [& e; F5 o
10-106 Alternating-Current Systems
! [# L5 q! @) u S10-110 Electric Crane Circuits% @$ `% g, j0 V0 p5 [# V, ?: |
10-114 Circuits of Less Than 50 V' ^# n# `) ~- \5 b, ^3 H- I1 O( S
10-116 Instrument Transformer Circuits
" a1 V. T2 c0 sGrounding Connections for Systems and Circuits6 S/ O; ^* S6 a, n- B2 J& c3 p
10-200 Current Over Grounding and Bonding Conductors3 u0 L9 m8 R. _
10-204 Grounding Connections for Alternating-Current Systems* x0 s& k, v& d$ K r
10-206 Grounding Connections for Isolated Systems
1 p3 d8 I# h+ A4 n10-210 Conductor to be Grounded
1 L" O: K8 l' o* mConductor Enclosure Bonding
- W3 t ?& s/ K# e" y$ m5 k. S7 E0 l10-302 Other Conductor Enclosures; B8 u& W) z2 X; O
N 10-304$ |; F+ ^# x8 Q
Equipment Bonding
W5 i$ d) M0 ^; p3 ]* }# E10-400 Fixed Equipment, General- f- \4 \) s) u: F2 C7 v; H& P
10-402 Fixed Equipment, Specific (3), (4)% N. _% G6 f5 C: D" t
10-404 In Nonmetallic Wiring Systems
! k6 f4 t$ H$ t+ x: y8 c! x10-406 Non-electrical Equipment
" E: r( s0 ~3 H* b10-408 Portable Equipment (4)(b)0 v: |% \2 }6 {: u
10-410 Instrument Transformer Cases
) l7 A" e% A/ f0 [10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less0 l. x6 r( Y% E/ Q
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
& B8 c! i7 p3 a+ Z( _5 bMethods of Grounding3 X" a' G) }$ C/ G$ D
10-500 Effective grounding (see Appendix B)7 b# }% U) c* f' ^5 A( z, n' T
10-502 Common grounding conductors7 G9 v8 f+ }. _4 c) x7 m
10-504 Common grounding electrodes* `1 H9 c$ V3 b; M( {; g6 j
Bonding Methods
; b; h4 n0 [# Z+ P8 u: a j" E10-600 Clean Surfaces+ w( m, ` W* b+ q; s" X- @
10-604 Bonding at Service Equipment
$ J( ~# w+ Z9 P; @5 B; Y10-606 Means of Assuring Continuity at Service Equipment
: \' R: e7 p; X1 D& `9 _' B& `10-610 Bonding at Other Than Service Equipment
% L0 {* f; ?& Y$ K! N10-612 Loosely Jointed Metal Raceways/ J8 v' d* ?8 Z: j
10-614 Bonding Jumpers Table 418 s8 z, f' U+ |+ T8 \
Grounding Electrodes8 u* `9 Q& _' ~* W7 L# v
10-700 Grounding Electrodes) [/ f' m; t+ r) X
10-702 Artificial Grounding Electrodes+ ?- a6 Z3 U$ A. i
N 10-700 & 10-702
1 L) b( K N7 i4 _: l- C! M0 N10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G): Y6 S8 R$ R# a9 F' {9 X; w
N 10-702
" s* O' Z6 v& i4 Z5 I10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding; b$ o- M/ L6 B2 v# t- M# j
N 10-702. w0 \( g) y& z A4 i' a
10-710 Use of Lightning Rods (Appendices B and G)
" e0 p4 d) b+ g0 IN 10-706
6 y( M |# a2 [! v5 S! a2 oGrounding and Bonding Conductors: N' K, T0 C) _$ J- P
10-800 Continuity of Grounding and Bonding Conductors
% s3 x3 _( O5 F1 m( w10-802 Material for System Grounding Conductors
: P/ G& `& ?" J: N: b+ D10-804 Material for Bonding Conductors/ E: N& [: g( G
10-806 Installation of System Grounding Conductors
; }' q$ y4 U* h! ]6 U10-808 Installation of Equipment Bonding Conductors& r* l' D8 S \. O( ?+ ~; d
10-810 Grounding Conductor Size for DC Circuits
" z! r( \) j/ w5 g H3 O3 k) B# z10-812 Grounding Conductor Size for AC Systems (see Appendix B)
4 }. t" ~6 d0 c, _9 ?, } Q10-814 Bonding Conductor Size (Appendix B)* o* }" i, D9 a: [
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
' O0 V' f) x# }# ^% q10-818 Bonding Conductor for Outline Lighting0 I0 U1 i0 E6 H! z
10-820 Bonding Conductor Size for Instrument Transformers( h! j$ K; M0 Z% D' S8 a
Grounding and Bonding Conductor Connections
Q6 v; t+ e, }7 ]# j7 D10-902 Grounding Conduct Connection to Water Pipe Electrodes
# a* c' B8 Z8 t7 Y/ D10-906 Bonding conductor connection to circuits and equipment
9 ]3 b+ O1 ]' k; R9 ^( I: S10-908 Grounding Conductor Connection to Electrodes
1 c3 P; F2 c- C. j' Y: ALightning Arresters2 U( R+ e& c2 x, j9 e" v
10-1000 Lightning Arresters on Secondary Services – 750V or Less
& y9 t5 r. ]1 a1 N! b: Q: l
' r& q8 j7 w, eSection 12 – Wiring Methods
4 n. D* m) t9 g0 P! L' X/ HScope
4 H% V# U$ G2 d% r# j* T12-000 Scope (Appendix B)% x$ Z- G* D! Y- t4 {
General Requirement
@! H; ]" P$ o1 i12-010 Wiring in Ducts and Plenum Chambers
' ~' g5 a. Q" t6 z( W/ T6 N12-012 Underground Installations (Appendix B)
' @6 n7 s* u" w+ f6 \12-016 Lightning Rod Conductors+ Q) z1 s0 Z! e+ g& i0 T
Conductors - General8 o* K1 D+ S8 y. L- B1 w
12-100 Types of Conductors (Appendix B) Table 19
' `% t5 h3 D. P; @1 F. \ \+ V12-102 Thermoplastic-Insulated Conductors/ M5 ^3 v- m% ?# B
12-104 Flame Tested Coverings; W5 t% z% B$ ?5 ~
12-106 Multi- and Single- Conductor Cables* Z9 K' L$ K/ `% m6 E2 w
12-108 Conductors in Parallel (Appendix B), [2 J2 B$ `/ {6 N
12-112 Conductor Joints and Splices/ a0 A8 u# A1 N6 k0 W, a' m
12-114 Ends of insulated conductors5 Z# D/ C* {6 i( O( e4 @
12-116 Termination of Conductors (Appendix B)
3 `! }5 m4 U! u/ m7 h2 j4 f; q4 k12-118 Termination and Splicing of Aluminum Conductors7 k- \4 [0 y4 o
12-120 Supporting of Conductors - Table 21( W7 p6 a5 }3 Y$ W
Open Wiring
5 D b! j: M8 K8 J5 v8 B' Y12-204 Spacing of Conductors8 L/ s. f7 R6 \$ S
12-206 Conductor Supports
5 J4 y0 C R0 p: T; q8 b12-208 Conductors on Flat Surfaces! |( u. x; U s8 L2 O# E
12-212 Protection from Mechanical Injury
- t" W) _. @. d5 x3 V* uExposed Wiring on Exteriors of buildings and between Buildings on the same Premises2 v3 {+ e$ U+ C7 {* M0 E2 N
12-308 Minimum Size of Overhead Conductors
; n8 W1 |% ~" m, f- Y& A" n1 z; `0 ?+ t12-318 Use of Neutral Supported Cables) B8 @/ \& w3 C
Nonmetallic Sheathed Cable" N8 E7 Y' i1 S0 i- e+ e: b0 H
12-502 Maximum Voltage
9 M0 Q. s. _- W) _4 r1 X- K12-510 Running of cable between Boxes and Fittings (Appendix G)- Y# e( h# \( |
12-514 Protection on joists and rafters( U) q! M& J _; J7 Y# T/ Z
12-516 Protection for Cable in Concealed Installations (Appendix G)
8 @0 I1 V& e7 B) @" h12-522 Where Outlet Boxes Are Not Required- A4 ?3 l5 q$ _' p; p3 R9 y
Armoured Cable
, x$ l" w. _( [8 l! H" `: _/ w12-602 Use (Appendix B)/ j) b! }* s; R' Z$ p* [" B$ t9 p
12-604 Protection for Armoured Cables in Lanes
: W1 |) ~/ s t, e12-606 Use of Thermoplastic Covered Armoured Cable' L8 M) |$ ]* k6 X, ?. V
12-608 Continuity of Armoured Cable
1 [0 `+ Z1 J4 g/ S( q/ S12-610 Terminating Armoured Cable
$ j/ w& n# O" j0 L, a- l1 f12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
4 ~. {& g2 |& b' d( o5 ^, L12-614 Radii of Bends in Armoured Cables4 S8 g( L' \; Z. {0 i
12-616 Concealed Armoured Cable Installation
+ R0 i# [) V5 v, Q+ F0 t12-618 Running of Cable between Boxes, Etc6 P% f: ]* f8 s0 h
Mineral-Insulated and Aluminum-Sheathed Cable
7 _; E( C. H2 V7 o0 _5 z8 g12-702 Use8 _* {4 Y. v* a- s+ l1 A% N6 _
12-704 Use When Embedded
3 H+ G# \# }& J: N' I6 @12-706 Method of Supporting
# S4 c% ?) j' C% N2 R* [& w12-708 Direct Earth Burial
+ }0 f3 h1 y3 L# O12-710 Mechanical Protection
/ _% h0 W$ e' [1 H* ^12-712 Radii of Bends
0 l5 w! K) x" l: V* T1 B2 O12-714 Termination of Mineral-Insulated Cable (Appendix B)
9 x& l1 K) r8 u2 |, `5 n# N8 o% A: ~4 `12-716 Connection to Other Forms of Wiring
3 e$ b% c4 \8 Z1 {$ r# j/ R2 U* VFlat Conductor Cable Type FCC
% m- [# f1 L: @: {: V: o) J3 @12-804 Use Permitted
: \* [$ b2 u0 [4 G: w12-806 Use Prohibited
& J' o0 `- E1 H# Q$ y h12-818 Anchoring
4 c' Y! {* |- N( m7 B; y12-820 Crossings
& X" t* D" _# [Raceways - General6 a0 q( L+ d p
12-904 Conductors in Raceways
5 y7 q: p& v! }$ X12-906 Protection of Conductors at Ends of Raceways
$ o6 L$ W) W; p. K12-908 Inserting Conductors in Raceways8 N8 Y- `( V# S! a6 g$ F5 Q- z; @
12-910 Joints or Splices Within Raceways
7 a) q z4 X r4 r5 R2 b12-912 Stranding of Conductors4 t0 a2 G. |9 k' P
12-914 Electrical Continuity of Raceways
( X1 c2 Z: ]6 S12-922 Radii of Bends in Raceways
- S7 p) F) `2 RN 12-922 Radii of Bends in Raceways Table 7
6 g) N( q8 z3 ?; d' K12-932 Protection for Raceways in Lanes
& @9 ` \! T' R) Z/ z12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
3 x, ?3 A" ?' s7 Z- n12-938 Capping of Unused Raceways- ~: \) D5 m- C2 U' |; R
12-940 Maximum Number of Bends in Raceways( _; z& d0 W( Z3 e$ c# C
Rigid and Flexible Metal Conduit
8 E' L7 d5 n6 w: u8 u12-1002 Use" ]/ w: ]0 Z* A" S+ ]# _* A5 ~8 f) {
12-1004 Minimum Size of Conduits, z- ^% j t, G9 x
12-1006 Conduit Threads (Appendix B). c' a# d4 j7 n b% q
12-1008 Thread Engagement
% D, `, e# [0 q$ U9 i0 h0 G% }12-1010 Maximum Spacing of Conduit Supports
$ K8 p& y8 Q) j# ^' v/ P12-1012 Expansion and Contraction of Conduits (Appendix B)8 p! U4 [, c' s; R
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
+ U* f/ u3 {: y/ G3 n: Y6 ERigid PVC Conduit and Rigid HFT Conduit7 N* {) e2 x1 y1 `4 n
12-1100 Use0 L/ s. z+ Y7 f
12-1102 Restrictions on Use/ H0 h: y* R: {0 K
12-1104 Temperature Limitations (Appendix B)+ B9 n7 w O5 m& E
12-1108 Field Bends (Appendix B), (2); C0 p* d7 }9 n
12-1110 Support of Luminaires* P0 K3 K. }1 [* \( T1 Q- ~& w' t
12-1112 Fittings
" n: k% i8 W+ c7 d/ ?9 R- f12-1114 Maximum Spacing of Conduit Supports8 I* k. V9 v" @, n* F/ y( U
12-1116 Support of Equipment
# M1 m- B4 V' v" |+ z12-1118 Expansion Joints (Appendix B example)7 e3 e; u1 z" B1 \) ?: w, v
Rigid RTRC Conduit, P! ~. X8 f" Y( ?7 S; E
12-1210 Temperature Limitations& k& @2 k9 ~# c; E
12-1214 Expansion Joints (Appendix B)% m8 f& L3 S7 c: j J9 q# ~, k1 E& W
Liquid-Tight Flexible Conduit
! u4 A3 | l% f& \7 |12-1302 Use of Liquid-Tight Flexible Conduit
% i& F; M7 `$ v3 P; ~1 a+ k0 T4 ~. J9 a12-1304 Maximum Number of Conductors7 G; T* y* T- ?% s! T- H1 S Y
12-1306 Provisions for Bonding
* R/ _2 g: P! e9 ]/ dElectrical Metallic Tubing
9 A! @, N3 x8 \, R* M12-1402 Use; w) |* Z( O3 b) S8 Z; Z- q& |
12-1404 Supports
$ U2 T v9 h8 U3 N# p12-1406 Minimum Tubing Size1 d* [8 m, b5 Y
12-1408 Maximum Number of Conductors9 R* C: V6 r8 U8 r5 h4 m+ c J! A
12-1410 Connections and Couplings. X0 d7 k9 t8 E+ G7 q# u
12-1412 Radii of Bends in Tubing. M5 o" H; E0 X* a
N Table 7
7 U0 v. `% y' ]0 q) j' t( DElectrical Nonmetallic Tubing
8 V2 z# L. q# l$ o& \4 q12-1516 Provision for Bonding Continuity
6 L6 G4 u0 ^! uN 12-1514! F8 V5 e$ E: z" h' Q* q# v
Surface Raceways k: C: B* }) i5 ^9 D
12-1602 Use of Surface Raceway (Appendix B)
* h2 }6 H# @" Y, t t6 ~' ^12-1604 Temperature Limitations
/ g9 u% |6 a' W! R; C- [! E12-1606 Conductors in Surface Raceways (Appendix B)
. G* Q8 ^- J7 }7 I; u# w5 R) A12-1608 Maximum Voltage
9 U) {; n0 }2 j& n. { U1 E12-1610 Joints and splices
9 J) n3 g: U1 o1 {. _Underfloor Raceways8 U6 D4 S+ G4 I! I3 d! q2 A
12-1712 Discontinued Outlets in Underfloor Raceways" R1 h1 Z' M) M$ N, c- u$ D
Cellular Floors# I' ^' h7 Z6 u$ `: e
12-1804 Maximum Conductor Size in Cellular Floor
D% d* N E% M0 ]# g$ q! R3 F12-1820 Cellular floor discontinued outlets
8 S8 W, R5 V: IAuxiliary Gutters- B1 Y! T* w+ O" W
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces2 u$ z8 X; Z! Y# W
12-1902 Auxiliary Gutter Supports* F% X* ~$ S J4 M/ p( v# ^
12-1904 Auxiliary Gutter Cross-Sectional Area
6 V! Z8 o5 i' w( m* }Busways and Splitters
# n) C) y0 Q; q+ m5 j12-2004 AC Circuits in Busways and Splitters
* H! Z3 p1 u& {8 t7 o12-2006 Busway and Splitter Supports
|+ F! R2 O; }1 B" C% p& ^12-2008 Method of Installation of Busways
, Y/ {; Y3 j+ u3 z12-2012 Reduction in Size of Busways' B! h& I8 K9 p" f9 i/ g
12-2014 Length of Busways Used as Branch Circuits( t1 j; `( Z. B% a: g I$ p/ P
12-2018 Taps in Splitters1 ]( V* `. ?! ?( [& b8 H
Wireways
5 K7 ^" a# R. G- {3 z; z2 c12-2104 Conductors in Wireways/ Y' n1 h# H/ X
12-2106 Taps and Splices in Wireways
; O7 x3 a, W8 Q Cable Trays
' [/ f5 X! G4 ~: \) s: u8 }12-2200 Method of Installation (Appendix B)6 _6 v- k! `0 t" Y0 G' y
12-2204 Joints and Splices Within Cable Trays3 @7 s) F$ y1 a6 L
12-2208 Provisions for Bonding+ l. S1 C/ Y+ C. s9 O+ E
12-2210 Ampacities of Conductors in Cable Trays
& R/ V, x, D/ e( ^: P" a# H" _( XInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings$ `! g5 I; Z' m! ~+ a/ E+ {4 k8 ?
12-3000 Maximum Number of Outlets Per Circuit
8 ]* S! h% ^8 ?: X- i, G& M3 ^* A$ R/ TN 8-304; z# \( q$ o6 T6 B" G
12-3002 Outlet Boxes (Appendix B)
# Z3 b# v% _* M1 }; r4 QN 12-30006 Q$ M! ~1 R, c7 [$ l8 d
12-3004 Outlet Box Covers
4 u3 {3 p, n5 \5 j7 y: {N 12-3002
% E, f# l3 c$ U! v. h" S12-3010 Boxes in Concrete Construction
) A* Q( T# c8 o. s3 cN 12-3008
% P& N& Y- ]+ C z u& U12-3012 Outlet Box Supports* g& }/ O7 c, Q6 x7 l" M
N 12-3010& H. @7 n% p3 P( J
12-3016 Accessibility of Junction Boxes% }9 d* M& M, ^ U" y( {, m! m
N 12-30143 j6 ^" @- n* m/ q b
12-3018 Flush Boxes, cabinets, and Fittings, w% t! J( e& n( c% c( I. S
N 12-3016" Z- T1 H! X$ v2 D, L& m
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 6 {2 [/ c/ c) }! w4 P& j& x2 o
N 12-3022: n1 E2 |6 c5 W- ~
12-3036 Maximum Number of conductors in a Box - Table 23+ d8 r% y% T. G+ x$ R
N 12-3034
3 @) J( k2 q, K. G" I& Z12-3038 Pull Box or Junction box Sizes
8 [2 @$ k" U" E8 F" D w( XN 12-3036
: C* B1 ~( P4 u7 J$ ], ?. f9 p: M* e, S5 B/ r4 H
Section 14 Protection and Control
/ R) L( p* J! g2 D9 dGeneral Requirement
- Z# h4 ]* o6 A4 D7 a* a14-010 Protective and Control Devices Required* K/ m v/ ^6 ?# m) ?; C3 \& x
14-016 Connection of Devices
/ {1 R$ y6 ^6 c. S" H Protective Devices – General( p+ k: _; _0 T$ d
14-100 Overcurrent Devices Required
( |+ o) f1 Z* M14-102 Ground Fault Protection (Appendix B)
/ a6 q9 ?. v0 K6 B, _14-104 Rating of Overcurrent Devices (Appendix B) Table 13
# {$ d. v: O% C R* B& {" B; v- O! I: ?14-112 Overcurrent Devices in Parallel% Z: U. |" Y9 H1 R( }
Fuses
& _4 }/ y; ^$ X% b0 B2 h8 T7 I& f14-200 Time-Delay and Low-Melting Point Fuses
& J# r+ r/ F: J8 T+ }14-202 Use of Plug Fuses
8 l* z7 {; V( f1 [14-208 Rating of Fuses, o2 [1 U8 d( D/ T4 @
14-212 Use of Fuses (Appendix B)# z9 j5 L' U: K* O' [
Circuit Breakers/ ~- w$ k0 x1 t4 e. J
14-300 Circuit Breakers, General
% Z) ^: i) K- S$ K0 D14-306 Tripping Elements for Circuit Breakers
: r2 ]$ L* @$ D- Z2 o& H14-308 Battery Control Power for Circuit Breakers0 _$ T/ m7 v$ J+ c2 Z" k& C- A
Control Devices - General- I) m9 B+ p/ J; d+ c( F$ W7 `
14-402 Disconnecting Means Required for Fused Circuits/ U H: k; ?: K8 d% [) Q
Control Devices - Switches3 d! B8 g2 X( Q, O2 J/ k, i
14-502 Mounting of knife Switches5 \2 B' o: K$ r# `, \
14-504 Maximum Rating of Switches+ G! x, @! C/ C
14-508 Rating of General-Use AC/DC Switches (Appendix B)
! `/ ?* K! k: k" B( h' ~14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
$ A; @& L/ ~5 y/ d2 ?8 x4 | SSolid State Devices
9 w4 F) @. U# D# `; S: ^# d$ |14-700 Restriction of Use
- f4 Y0 o3 M" x4 D/ r6 Z! x) A14-702 Disconnecting Means Required
2 ]3 {( d& _, k/ ]7 g: l p* h. r
Section 16 Class 1 and Class 2 Circuits9 H" b* T$ S' @. ^: ^# u
General
- U5 ~4 A+ u5 F F16-004 Class 1 Extra-Low-Voltage Power Circuits5 v/ s: \, Q7 G# b. w8 {6 r9 ?
16-006 Class 2 Low-Energy Power Circuits3 W% u9 O5 r! Y" H2 }8 _$ i, D7 o
16-012 Circuits in Communication Cables
( }! C% F0 |0 d; l/ e# b5 J( fClass 1 Circuits
$ q8 N- _' H" r16-100 Limitation of Class 1 Circuits' D; X# Y! n7 A- E2 l/ ?
16-104 Overcurrent Protection of Class 1 Circuits! t' `2 Z. e, `
16-106 Location of Overcurrent Devices in Class 1 Circuits3 x1 |) _6 ?: ^4 Y& S' |2 q2 k
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers0 W% z( k: p2 r* j/ t; `
16-110 Conductor Material and Sizes
$ ` ^- D: p( E) m/ e( Y# v# H16-112 Insulated Conductors for Class 1 Wiring
) ], h" W: l: _& b( D2 ]Class 2 Circuits
0 W. `; w" n! J7 D* a2 |3 N6 L+ U16-200 Limitations of Class 2 Circuits (Appendix B)3 B" O, r* r7 Q: D: R: ~# K
16-204 Marking' p8 C8 \& i+ M1 W
16-206 Overcurrent Protection for Class 2 Circuits
3 U. Y1 @0 [" K6 P. z4 U16-210 Conductors for Class 2 Circuit Wiring (Appendix B)# ~" J% c7 _1 ~
ELC: extra-low-voltage cable
1 T! ~' M, P- x' f16-212 Separation of Class 2 Circuit Conductors from Other Circuits
( C) O* H$ d2 y: z( P2 R5 w7 @9 O- Q/ Z5 ~
Section 18 Hazardous Locations; U. N0 ]" B$ X" c& I! ^
Scope and Introduction
4 k0 c6 J2 F y: ]8 n( {3 O6 Q18-004 Classification
- R5 H, d3 S$ @) o1 y2 E5 Y0 A# L18-006 Division of Class I Locations (Appendices B and J): k" W$ t- @" e. l" Y1 i
18-008 Division of Class II Locations (Appendix B)0 K! M, m6 a( b4 ~8 x. V3 V
18-010 Division of Class III Locations (Appendix B)
6 b2 H m6 R, }" N8 V& jGeneral
. ` u# l2 }: T18-062 Metal-Covered Cable (Appendix B)
/ v6 B8 w/ w" @- }Installations in Class 1, Zone 1 Location
- |6 b- C; T( u3 }: [18-108 Sealing, Class I, Zone I (Appendix B)
3 ^# M4 g0 T+ X5 d7 C" ?
6 i/ \2 v" P$ ~* KSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars; ~# X6 y0 p& `; F/ U
Gasoline Dispensing and Service Stations2 ~# j6 ^: o& p& \, M
20-002 General* L2 ?. J6 K9 X! [
20-004 Hazardous Area (Appendix B)
+ d0 l2 v$ r5 B$ m) \6 W( @8 [Propane Dispensing, Container Filling, and Storage
& ]. T9 i7 o; x6 e6 {20-034 Hazardous Areas - Table 632 g$ W+ O8 X9 A1 k5 }
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities6 C; c1 G5 r$ _9 ]- f
20-062 Hazardous Areas
: c5 w( I& E4 G1 p4 o8 Q4 p$ c$ oCommercial Garages – Repairs and Storage( X1 f1 r. C6 T* G. c
20-100 Scope
* t k& H6 p, V ^$ p20-102 Hazardous Areas (1)
' U; E p& M- e* V( W* m
4 L6 L- g3 U# M$ A3 a D. p. w$ ZSection 24 Patient Care Areas5 H, q% R2 _9 a; Q- c! F% E) f6 j
24-000 Scope (Appendix B)
' E/ u! t/ r2 u7 d9 l$ w1 r j24-002 Special Terminology (Appendix B)
! D% ?9 q% K' R# q3 W/ t Patient care area
5 k, F. n5 |7 h. UPatient Care Areas. \2 A b' l! g' g' x. T
24-106 Receptacles in Basic Care Areas (Appendix B)
; f0 |7 k( m, t6 W+ X% f' rIsolated Systems
! R y! p- e0 n24-204 Single-Phase Isolated Circuits (Appendix B)5 H2 e$ M- \; U) t
24-206& e: J( x1 o7 ]
- { L7 g3 z8 PSection 26 Installation of Electrical Equipment
9 b0 {+ M* b+ F( fGeneral" C' B! A/ c/ y x( b; e
26-004 Equipment Over Combustible Surfaces (Appendix B)3 l% Q/ J! i2 R0 n
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)7 _1 V+ p! n! j: c' c8 c" c) K
Isolating Switches
. A5 _2 E# o" f4 O6 d: y `9 @$ u5 O26-100 Location of Isolating Switches
5 @; X; ]8 H% ^Capacitors
( I- E+ s8 t% q o26-204 Guarding of Capacitors8 v( a! \4 [$ f* k D! q1 n0 n
26-206 Grounding of Capacitors
3 [) _& F0 a5 Q' G; J* s26-208 Conductor Size for Capacitors
$ j" J: h' {( M% |- U26-210 Overcurrent Protection (Appendix B)6 I& O- l6 L% [) x, E& Z }6 ?
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits! M' |! G$ h7 X
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
2 O& V0 B# d, d" X26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
( Y9 q& w4 F2 P/ [7 z26-218 Special Provisions for Motor Circuit Capacitors
0 P* o" t3 z5 I* |' [! C) W26-222 Drainage of Stored Charge of Capacitors
7 z% u3 }6 F8 }( Y" ]( LTransformers4 f9 q2 _; `, K) b. V" K8 S
26-240 Transformers, General j6 ?) S, V0 t7 ]5 n; c1 A
26-242 Outdoor Transformer Installations3 |8 L# A- b* o! M. R
26-244 Transformers, Mounted on Roofs (Appendix B)
3 C9 x! x6 b) Q. h26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
; A4 k5 B. l8 t1 ?; @26-248 Dry-Core, Open-Ventilated Type Transformers
6 \' G2 b* E* n/ \( ]. q* L26-250 Disconnecting Means for Transformers/ w4 K8 Q: G L
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V6 |0 }* \0 E. T6 m( A2 b
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
9 p& g; A% R' }/ d; I; a7 O26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)" h; n* _' n% c4 B4 c# H
26-258 Conductor Size for Transformers
2 b K' Z8 P7 Z& J) h* x# {: G ]26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
1 O( M7 r8 c. f! T8 [& } j26-262 Marking of Transformers) S+ A0 x$ e$ i! R
26-264 Auto-Transformers/ h3 \2 C7 R9 I* b( G6 _, s7 _# g
Fences
" S1 ]5 S" T0 A26-302 Clearance of Equipment - Table 33
8 j/ o/ h# A. \Panelboards' S/ L( b0 f2 d3 n' {& L8 |. K
26-400 Panelboards in Dwelling Units (Appendix B)
! P \( h+ ?2 M1 d0 c26-402 Location of Panelboards (Appendix G)' l$ {6 Z# b) B: r/ Y c
Lightning Arresters
8 y: L$ Q" _5 \, D26-508 Connection of Lightning Arresters
, ]% m W8 t; x8 f+ c4 YStorage Batteries. x7 v; B4 r+ _1 Z
26-542 Special Terminology+ H2 W( F: j* P/ T4 M; n
26-550 Battery Installation$ M o& P% i+ d( h. ?$ H' W- [
26-552 Wiring to Batteries
6 O) m: k9 V9 e1 ]$ A% B7 B6 C9 B a* zArc Lamps% L+ M7 z9 t- X( d4 b
26-600 Location of Arc Lamps
5 n- B; i/ s8 A' |26-602 Conductors to Arc Lamps1 }/ Z7 A* d% [- `9 f& u* r& H7 V4 `3 n
26-608 Globes and Spark Arresters
0 ?" I1 P' i: p9 A4 v0 ?Receptacles
( Z/ F. J5 h& m M26-700 General (Appendix B)
5 \! A4 u& f; n26-702 Receptacles Exposed to the Weather( @3 f" u, }( R" ^7 X6 T, w$ U
Receptacles in Residential Occupancies+ t8 Q" ]6 L. @, e/ _( c8 v
26-710 General (Appendices B and G)
( Q* x5 H/ v4 \26-712 Receptacles in Dwelling Units (Appendices B and G)5 J! F! f& j9 \+ g; |+ S6 f& n
26-714 Receptacles in Single Dwellings (Appendices B and G)
5 Z3 D. Y: W! V0 Y BBranch Circuits in Residential Occupancies8 q" r- w6 @ Q6 y
26-720 General
0 v: b/ O k3 m/ O6 x26-722 Branch Circuits in Dwelling Units
1 _' ]/ g, }. ^; ]2 b c1 c26-724 Branch Circuits in Single Dwellings
) X% {, [ }% w26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)$ `3 d8 r& i" j% f- e8 f) Q% @
N 26-720 (F)
+ s5 V. I4 |! ZElectric Heating and Cooking Appliances* S. Y* Q8 Y3 s/ e' ^" ~2 o6 G( |
26-744 Supply connections for Appliances# o- M, {. v; ?% Z- d' Q& Q
26-750 Installation of Storage-Tank Water Heaters" f4 ?& S% P6 k! O
26-752 Infrared Drying Lamps
# _, ?0 Z f1 d$ _
8 E- S {; |0 {- E" fSection 28 Motors and Generators
N8 A0 K" ?3 j/ p+ s1 q& iGeneral" f2 R/ {! C; l4 @7 V% V5 a1 X
28-010 Special Terminology
7 t$ K& H, O" R4 f9 `( ? gHermetic refrigerant motor compressor5 R% J& B# O, A7 Q5 D' H
Locked rotor current rating
& C# T! J' q @$ ^7 e" {Service Factor
1 N6 u; o2 M! c5 ?& _* O/ f' J) fTable 44; Table 45; Table-D2
, U& g& R7 I; C1 p6 L+ hWiring Methods and Conductors! P% S7 w! e4 a+ h
28-102 Portable Motors0 p/ y9 c* N+ S) y
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity4 _0 W3 c5 T8 X6 A' b0 t! W
28-106 Conductors, Individual Motors
( F9 @% L1 Q5 x7 f28-108 Conductors, Two or More Motors% R$ T1 ` {5 M/ }8 U% j
28-110 Feeder Conductors
2 @3 v2 g- x& e2 E9 z/ v28-112 Secondary Conductors, v C8 a4 y. v% v
Overcurrent Protection& Z0 { |$ W% _) V) [8 ^3 T8 D) j& f
28-200 Branch Circuit Overcurrent Protection$ p* k. p% S2 `. b6 ~- [
28-204 Feeder Overcurrent Protection
2 Q8 i3 n7 p% H' m28-206 Grouping of Motors on a Single Branch Circuit; a0 I' X ^) k8 \
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)7 A% x/ |4 J r) g1 ]9 j& H
Overload and Overheating Protection/ i" ?% `2 ~5 w2 s$ Y, B0 z
28-302 Types of Overload Protection3 F2 t% H5 _3 o' |4 o
28-304 Number and Location of Overload Devices (Appendix B) Table 25
- F# S$ a/ k5 i N" `$ S0 P# S) k1 \28-306 Rating or Trip Selection of Overload Devices (Appendix B)
% ^5 m. T! I; ~1 S. L* L V0 P28-308 Overload Protection Not Required: z2 h$ T* A& U7 v3 _
Undervoltage Protection
1 k9 X$ ]7 X N- A! B* o28-400 Undervoltage Protection Required for Motors (Appendix B)
( B! q* P* o; w' `Control' v- a! [& j8 Z; ]: Q
28-500 Control Required
! Q& U; p! z% l6 Y) r28-502 Control Location h( y, t, @. J+ D$ n
28-504 Starters Having Different Starting and Running Position% Y6 B" O# ~) c7 V* N6 V
28-506 Grounded Control Circuit
' e& c; o* I) Z& R; x& m# VDisconnecting Means
: v' Q/ h! W# L/ N# N8 R k; J7 x. m28-600 Disconnecting Means Required3 K U% H+ [1 q
28-602 Types and Ratings of disconnecting Means (Appendix B): q" z% I" V3 A+ o
28-604 Location of Disconnecting Means# |: Z; o1 C0 @ w% Z8 K
Hermetic Refrigerant Motor-Compressors# P4 b# Z# o) H" w
28-706 Conductor Ampacity9 z/ c) Z7 p9 R2 ]* D
28-708 Overcurrent Protection
2 s7 X: f" y. L0 p* R6 h28-714 Disconnecting Means
5 g4 C; C d* {1 Y: q/ _Protection and Control of Generators
% h& q1 Z5 {+ Y( X- K28-900 Disconnecting Means Required for Generators
8 O4 M4 n& s: F7 _28-902 Protection of Constant-Voltage Generators
* a8 S* p3 V; c7 r/ s/ |2 B28-904 Generator Not Driven by Electricity! N2 d0 q- S5 P- P8 A8 S" ^
28-906 Balancer sets+ A9 P: m4 M3 X* w* Y+ H3 H& E
28-908 Three-Wire Direct-Current Generators
: ^6 f& G: S- R. T7 {* w l- } b& N. m% \
Section 30 Installation of Lighting Equipment2 b5 r# u' Z7 a1 ^
30-002 Special Terminology (Appendix B)
& {# c, |2 C- O+ k% K0 Y6 k/ dGeneral
B7 \7 i# [ ^6 ^0 S30-102 Voltage
9 L6 @! t" p2 Q: Y/ r30-104 Protection (Appendix B)
% u' U1 I1 n( E6 O4 i" ?+ X30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment1 d+ M7 {+ x- ?
30-108 Polarization of Luminaires
( }2 \+ Y* j* V) ?30-110 Bonding of Lighting Equipment
9 ]4 d+ |3 k9 s, r2 a$ ]1 T1 |Location of Lighting Equipment
( O9 c) n$ ~* j; D/ B* ]30-200 Near or Over Combustible Material/ ~. T/ \( {% b% U" r3 j0 a( k
30-202 In Show Windows
6 }2 C Q1 p$ o5 ?8 o30-204 In Clothes Closets9 V# l0 M2 K* R1 M
Installation of Lighting Equipment
2 n. u, B4 S8 V8 f, l+ h% r* F30-302 Support
+ I. m# v6 s2 D# _0 p( t& t; u30-304 Outlet Boxes to be Covered
* H7 ?" [/ O; N1 l" G" A/ x30-308 Circuit Connections5 F( o7 C/ x) Z! ~% S4 Q7 F1 ]8 V: i: h4 y
30-310 Luminaire as a Raceway
. M# z% ]( O- ~6 S H; O) D30-314 Minimum Height of Low Luminaires5 f4 H' B2 N" Y! d9 A
30-316 Luminaires Exposed to Flying Objects& X5 T/ p1 ~' y2 c9 t. r
30-320 Luminaires in Damp or Wet Locations
3 E" J& }+ q4 \/ o: `& [5 eN 30-318
F; V' \( h8 w+ x, p* m3 eWiring of Lighting Equipment. T. L1 {6 w3 _0 R$ U# k( Z8 [% j1 C
30-400 Wiring of Luminaires
% N2 C' l, ]# t30-402 Colour Coding
$ I" N ? r& A2 ~3 B& r9 S$ X30-404 Conductor Insulation8 l0 P5 _% o( k. w- H
30-406 Conductors on Movable Parts
- }* z& C& `# B- j. `) Z30-408 Wiring of Ceiling Outlet Boxes
: t5 b: U; |6 G30-410 Wiring of Show Window Luminaires. _; z3 ]# u# w% b& B* x @
30-412 Tap Connection Conductors
# U. C5 l, y! k- T: V9 ]8 yLuminaires in buildings of Residential Occupancy
8 M# J9 s5 ?8 K30-500 Lighting Equipment at Entrances (Appendix G)
& A: @' q/ \1 a' b30-502 Luminaires in Dwelling Units (Appendix G)
- Z) ?! t* d' m4 x2 ]7 Y# S30-504 Stairways (Appendix G)3 m0 c. P0 s4 j' H; A# H0 f& b$ S
30-506 Basements (Appendix G)* U4 b! m' V X
30-508 Storage Rooms (Appendix G)1 G7 K- G2 R& ~
30-510 Garages and Carports (Appendix G)+ A8 f0 ^. ]. v9 X
Lampholders/ Z' H( d0 S% i# e
30-600 Lampholder rating with Incandescent Lamps* ]& i) f! y7 D5 }4 W7 r
N CANCEL6 @) Y% @* R- g
30-602 Connections to Lampholders
" f# o" u# e4 _; b% FN 30-600; w7 Z9 c* X) J( i i, ^* Q
30-604 Switched Lampholders Used on Unidentified Circuits
& e/ e7 C* k+ j- b* [N 30-6021 \! |4 D0 Y: [7 H
30-606 Switched Lampholders with Pull-Type Mechanisms$ u8 h% a( ]4 ?, W4 x/ w8 }
N 30-604! I$ X7 Q# {5 X; Q& [ C& v
30-610 Pendant Lampholders) w* q Y% c( a4 i- R+ V4 _8 X6 m% H
N 30-6083 v5 t2 x0 A2 [' W
Electric-Discharge Lighting Systems Operating at 1000V or Less! G- r P+ B8 C, G
30-710 Control (Appendix B)0 Y0 Y4 w$ e* K* N! I! {! v
30-712 Branch Circuit Capacity+ c% y+ H/ S8 K4 k1 d
Electric-Discharge Lighting Systems Operating at More Than 1000V5 o/ @3 B2 `! a5 m
30-802 Voltages, Dwelling Units2 i) p; R) _8 A6 E5 J; Q+ D
30-804 control (Appendix B)
8 G! h+ e2 {' M/ I% j3 CRecessed Luminaires (Appendix G)1 J0 r6 [6 H4 o; u3 }/ ^/ T0 X
30-902 Spacings for Non-IC Type Luminaires
# z/ N# H/ q: |30-910 Wiring of Recessed Luminaires (Appendix B)
' U2 s& @+ w" g9 W/ }Exposed Wiring for Permanent Outdoor Lighting
$ X' W* T& j* T, ?* T30-1120 Branch Circuit Loading and Protection
6 P. O4 [+ i f+ [; j2 _Extra-Low-Voltage Lighting Systems
) G' Z0 s' N- S. S. \! y30-1202 Sources of Supply3 u M( s4 L. x% B! ?; K
X6 o) R. d+ g1 l
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
5 r/ o3 w- Q9 k* CFire Alarm Systems7 V1 ], |2 Z) m3 L! Y
32-100 Conductors
/ ?' O0 [" G/ K32-102 Wiring Method4 Q0 ^2 o; o' a% @
32-104 Equipment Bonding
" [, W Y) X) c. v& e$ r8 {* i; t* U32-106 Electrical Supervision
; P, A% Z* J9 V! Z+ r: }32-108 Current Supply
( f; L/ \1 Q1 S: T8 _32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
, u# _8 o. |. i" d7 \" A3 NFire Pumps+ W- E- I' N2 ~$ o6 q g
32-208 Overcurrent Protection (Appendix B)0 Q) F) s: e( P- N, ]
N 32-2063 R* {4 f8 `' _& G+ @
32-210 Overload and Overheating Protection (Appendix B)3 @1 `9 X/ H( b/ L: n
32-212 Ground Fault Circuit Interrupter (Appendix B) k, x% Q8 W- ^/ `
% u, M" b; @* t* i5 I) z
Section 36 High-Voltage Installations
8 g4 c" Y! o) C9 a* eGeneral
6 e' D! ?# f a( k* i36-000 Scope (Appendix B)
6 }6 |9 S3 I( v1 z. w36-006 Warning Notices
: ]: S' y. |9 h$ d3 kWiring Methods
1 I# N/ y* D9 U+ L0 v& A& {) W36-102 Radii of Bends
7 W6 M) }0 r! U36-104 Shielding of thermoset insulated conductors. Q6 J, r3 A2 C* F( a
36-108 Spacing of Exposed Conductors (1) table 30, table 31; N& n# Q! }% l) Y; t
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
" a, A5 V6 U/ {( {* B$ A9 iControl and Protective Equipment2 ^: N0 s" J' d: c! M3 o8 a
36-214 Disconnecting Means* W+ q* E8 t# z
Grounding and Bonding
q `6 Q: ]" D1 k& v36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
5 M" Q* Y; a" K5 \* Z36-302 Station Ground Electrode (Appendix B)" } g/ E; |" I6 ^* {. x- v
36-304 Station Ground Resistance (Appendix B)1 G( M" L0 H% q) G/ L
36-308 Connections to the Station Ground Electrode (Appendix B)
9 H/ o* [$ A% i; w36-310 Gang-Operated Switch Handle Grounds+ g; M' B9 r; T) f, h/ J
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
& O9 X+ d# n5 q1 R: r4 J6 e0 E- b" n' V, N5 J) I& F0 N0 l5 {$ o
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
) l. X2 t; B" g7 G* B1 L38-002 Special Terminology (Appendix B)
4 Q5 P/ E' j" B) v. S38-003 Voltage Limitations (Appendix B)
) p2 t) n8 | W3 q1 W38-004 Live Parts Enclosed; B! P3 i1 L8 ~+ g/ o
38-005 Working Clearances; M4 r$ }1 K( S3 Y0 K) F/ y! p
38-011 Insulation and Types of Conductors$ i9 y4 l; `: B- R+ b& G, G3 H
38-012 Minimum Size of Conductors& h( i; n% I$ l& I# H
% G0 _5 X! C4 L! P2 C6 H
Section 40 Electric Cranes and Hoists D5 T3 O% J1 X6 }! S4 K7 u8 f
40-008 Disconnecting Means
/ F8 l1 z" p. F& i) v" @40-010 Main Contact Conductors
5 J8 g' t3 K+ a8 m; J: d3 o# ]- f- @" x3 X* |7 o4 o
Section 42 Electric Welders
3 Y& U" Z) ~5 f# CTransformer Arc Welders' C d. ?( ]* z* _$ l4 g: y. S
42-006 Supply Conductors
* Y T9 l( S( ]* z' X; Y3 S3 O' d1 a9 E$ a; K9 h
Section 44: Theatre Installations
: Y: M7 Y5 ^: C+ h) ]: H- {) yGeneral" o; U1 g7 h/ g8 @$ @
44-104 Number of Conductors in Raceways: P, ~1 z) Q# B J* O5 q
44-106 Aisle Lights in Moving Picture Theatres
* c+ @; B d6 g% LFixed Stage Switchboards
( l' x( y! s6 |0 j$ M5 I& m/ x( v44-210 Overcurrent Protection
) A2 C) K# y& T$ g/ QFixed Stage Equipment
, |6 q, D" k9 Q+ q1 d2 f44-324 Receptacles in Gallery Pockets
) ?9 g# O, a; u1 P44-326 Receptacles and Plugs
* |; H' w4 h. `6 a0 v
4 d( v7 x$ U+ L9 ]' [: F% sSection 46 Emergency Systems, Unit Equipment, and Exit Signs
, A5 d) P" y3 q4 ^% c0 I% h1 HGeneral; u F. U, t4 B+ P1 [: T8 g+ L
46-102 Instructions- n8 T I1 z. y7 x+ p2 ]4 {; I( A
46-108 Method of Wiring (Appendices B and G), b. Y$ z2 V* d- A
Emergency Systems& E3 d$ @* \$ Y+ n0 ]. G' \
46-202 Supply (Appendix G)
# v( b. L2 X, m1 J( R; R: ~. u$ i46-204 Control: g" l: L9 P! R. c5 s% B* r) q
46-206 Overcurrent Protection+ m# U5 z* G1 n, H) V
46-210 Remote Lamps z0 r0 @9 ~1 ^2 y/ @- R, N, \$ X# D* S
Unit Equipment
b& F3 {8 A4 y! L& K46-304 Supply Connections8 O$ q" }: X2 l, B9 I
46-306 Remote Lamps (Appendix B)% |) k! E+ m$ l0 B8 e& e0 d' C/ R
Exit Signs% G1 b" H1 [: g1 G: g8 K; t
46-400 Exit Signs (Appendix B and G)
# w3 o; r( `9 F) C& w4 [' A
" e: h- x! p, t2 ESection 54 Community Antenna Distribution and Radio and Television Installations8 W$ x) k- J0 S# R5 F2 ?
54-000 Scope
. J" e# f, I" t: X' ~- D; e7 k54-004 Community Antenna Distribution (Appendix B)
0 v& X M" _5 J( c* h0 T( gCommunity Antenna distribution
! E" w# i2 B6 v8 P3 m' H54-100 Conductors7 k& y6 N& l7 h% n( {4 E& J
54-102 Voltage and Current Limitations (Appendix B)$ E8 b; o. _/ S6 ^! a
Protection! F' A) l8 b) T0 |
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)7 t8 M9 u) g; } G* N) I/ a
Grounding) }6 }; U$ T) }
54-300 Grounding Conductor
* I; h; `* ^* Q6 u; z7 ^9 {9 nConductors Within Buildings
2 b& y( \- \: H2 I, p3 c0 l8 p54-400 Separation from Other Conductors
o! n2 C0 F$ L4 y3 GEquipment
, q' U, N- F# b54-500 Community Antenna Distribution Amplifiers and Other Power Sources
+ C; _) T8 E. k3 D3 r54-502 Exposed Equipment and Terminations Z4 ?* I9 h: B$ K& I7 a# v
- `, F. a2 k' I* H
Section 56 Optical Fiber Cables
b1 @/ M# S* q2 g6 V8 ]General: M0 b. z* ^0 d7 C- C3 \! y
56-100 Special Terminology
x! }1 L. p2 P1 a6 ?7 y0 Z56-102 Types4 C% Q; ?2 Y+ p: B |/ l' S
Installation Methods
* ^4 }# d0 O: v4 ~56-200 Nonconductive Optical Fiber Cables (Appendix B)
& b6 v6 h1 Q% j1 m4 X56-202 Conductive Optical Fiber Cables (Appendix B)
( u4 C9 j8 P$ w3 T6 I56-204 Hybrid Cables- Z% p F* t* c9 y1 x! A5 @
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
: U" i3 h+ {, a6 A0 W9 T# F% p, p* u4 }& x7 _/ o$ F, @& C }# ]! N& [
Section 60 Electrical Communication Systems+ p- p u3 [4 \0 c: l* m6 _8 o
General2 w. Y& l/ y/ v9 z; f4 G! e
60-100 Special Terminology1 B6 E, X9 F# z2 u, p
Protection, u" J4 W/ Z% ^; k7 e" x
60-202 Primary Protector Requirements
- g8 M9 o1 `( z# ?( JInside Conductors+ ^+ g6 Z; i N1 E
60-308 Separation from Other Conductors
/ K f# C& ?% O6 hEquipment
! o2 M% b, s0 T) D$ [( L4 F8 z, i60-404 Exposed Equipment and Terminations, D4 p1 c2 r" l6 A2 [* Z! m, d
Underground Circuits
( A8 A+ y; H+ A0 ?4 O0 Y' D9 \60-600 Direct Buried Systems- ]% @1 \! E, z/ V
- @) j) |5 m- Y% ~' j) p5 A
Section 62 Fixed Electric Space and Surface Heating Systems
- F' X3 Y! F1 t) F6 c7 d; @2 r$ kGeneral. X2 ^6 x1 K+ z7 m0 v
62-102 Special Terminology
: \ h/ h7 f4 S5 K) y. U6 Y( T62-108 Branch Circuits$ u$ Z2 w$ ~# u( E7 O" E6 X' X+ c1 o
62-110 Installation of Fixtures
9 w v8 m1 k2 ~' _! v2 g62-114 Overcurrent Protection and Grouping (Appendix B) (5)
0 ~* W6 h2 t4 t62-116 Demand Factors for Service Conductors and Feeders (2)* h5 d C1 M( \1 t' i* w' n
62-118 Temperature Control Devices+ X9 Y7 x# S% o" {' ?
62-122 Installation of Series Heating Cable Sets (4)(7) Z# H3 p- ]: I) e `5 t3 l
Electric Space Heating Systems
" Y- a, W0 D4 k9 R* S62-202 Temperature Control
8 ?! b$ F/ c$ j' n8 ]4 N9 k62-206 Proximity of Other Wiring (Appendix B) \# f9 @0 |5 [( L( v6 t
62-214 Installation of Heating Panels and Heating Panel Sets
* _/ a# Q4 Z4 g62-218 Series Heating Cable Sets in Cement or Plaster Ceilings) P6 ^0 N# r( ]) u6 b4 u# |: a6 F
62-226 Installation of Under-Floor Covering Heating Panel Sets' \' |8 r! l& ?% E& ]/ ?
Electric Surface Heating Systems, F9 H* _* N# \; `7 d* D& q: }
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface7 r) y2 u3 w& T/ G) e
2 a5 G% l C; ^6 D/ \& r9 X! {Section 68 Pools, Tubs, and Spas* p9 I, V' b4 t" O- p
General) e, B$ i9 Y2 _8 W
68-050 Special Terminology
1 R) q2 `0 s. f) b68-056 Underground Wiring - Table 61( z# {( Q2 U, S% E$ r
68-058 Bonding to Ground (Appendix B)9 D' R7 L/ X; i* R# o* f( \( J/ c
68-060 Junction and Deck Boxes (Appendix B)
6 J, Q2 c5 W) s0 o) o. R; W/ @5 [/ Z: z68-064 Receptacles% d2 t" }( c3 p) M5 G1 s0 v w, T: ~
68-066 Luminaires and Lighting Equipment& \6 f5 `" T- ]8 O. [! v
68-068 Ground Fault Circuit Interrupters (Appendix B)6 s: E1 M4 J) B2 w0 Y
" ^4 F5 ^; U; G" T5 A
Section 70 — Electrical requirements for factory-built relocatable structures and
: r5 m$ @+ T: ^ m% F) I" p- p1 unon-relocatable structures) O3 I' K( R5 m7 H x+ k3 h; Z: N
70-130 Tests (see Appendix B)
2 k9 z0 o4 R5 I6 E3 D( e1 s$ r' x) g' X
Section 76 Temporary Wiring (Appendix G)
) T3 N# g7 Y8 _* |0 ~1 b, _76-004 Grounding
* ]% y$ u+ g* C( W; ^* o. [$ U76-008 Service Entrance Equipment
1 b: E1 W8 {9 U0 Z2 [. [' aN 76-006
" T. k4 V& I0 S76-014 Branch Circuits( U+ ]5 x% `# r. t" Z+ b0 r! A0 k1 F4 O
N 76-012
& \7 M6 n. j( R6 t# _3 s- E
2 H( k# f% ]' |! {0 dSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours) |2 e! ? C# o
Marinas and Yacht Clubs
% y* i9 I- v0 u( T; q78-052 Receptacles
" M C2 [ I- o" n6 x! Z9 ^78-056 Feeders and Services
# r) E4 m6 O$ s3 n! i* z; q& `$ lMarine Wharves, Structures, and Fishing Harbours5 x3 S* W8 Z5 q" d9 Z8 B
78-106 Grounding and Bonding
) T k& q7 ]. i0 zTables
1 Z, g0 I) c3 \# P' @4 U. Q1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65
$ c: _% B, x; `! s! M+ c; q( Z! {8 [5 S: J+ v4 P
Diagrams: 1, 2, 7
' [* C H G5 T7 V5 _- V' k7 H
# u7 b' [, B% k* ~- R+ f# s; T! [* _Appendix B) \" q6 l( F8 [# W6 b7 J
P352: Ground fault circuit interrupter- 6mA# T! P V! u; J7 s( }# l
P354: 2-126 FT1, FT4" ~! m8 E0 v# F2 }! U6 U
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
+ E$ r! j2 `- M0 H5 |* e5 JP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)# W$ I0 B8 u3 b! k6 H
P370: 12-1012, 1118, 1214 Example:# |$ C: b3 h& u# `: d& i
P371: 12-11083 x) S4 [7 z$ w2 w* j. J5 U
P381: 18-108(1)(b), 18-158(1)(b)! T5 R' I1 `# C1 }
P386: 24-206
, c- x7 F" O- Y) r0 Y' T$ {$ gP389: 26-256
5 |* Q! R# V% JP391-P393: Section 28, Example to determine Motor Conductors and Protection* E6 Z3 ?; w* }5 A1 v. c! H* \
0 P) y/ J* ^ o9 Y5 C/ ?Appendix D/ `! y( q+ |4 a' i& B
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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