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Canadian Electrical Code Review Guide
" k$ w* f, t7 t0 g# m: KFor the Exam of Electrician For Red Seal License
4 Q# {& X) J4 Z& @ r. o% _- L) ]# ]0 r4 W5 j3 s: E2 E
Lesson One
R2 E4 n5 G! c/ `Section 0 DEFINITIONS
1 n; C/ C) ~( B; J5 ?; a2 d, L# R4 {This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
^/ r1 j) c. SAccessible as applied to wiring methods
7 r) z( f' m/ x5 o5 E% f! {Alive or live
. f) M8 m! W& K$ {. ]/ u! f% VAluminum-sheathed cable
2 ]& d* k6 }" z \- m/ wAmpacity+ r7 O, H/ Q( y) ^, k& C) l
Authorized person# h6 K6 V9 e* ]2 M
Auxiliary gutter/ w/ C) u/ q! {( O0 {! e6 z0 T/ \- U
AWG% G; d8 j" l2 B7 B Y' L
Bonding
0 W( B' J9 Z( _4 P* @. ?Cable tray1 O& K7 q4 D- K4 p2 p$ [1 |
Cellular floor
8 K* u$ o% |* u# ? m3 D3 vBranch circuit' k9 w/ g! o3 \, C0 y9 C; J5 Y
Bus, I6 F3 v% }) _9 d* [" ^9 J
Busway% ^8 Y. @/ B+ p) g
Communication circuit1 F, j2 c+ B6 B* @2 h1 i7 g) z
Extra-low-voltage power circuit) }$ }; g: K2 U: j& F
Low-energy power circuit
; A' E5 }& Y% o! e( S9 }Multi-wire branch circuit; H6 i* d' L3 U9 e# H
Remote control circuit
7 {5 \2 L) i! S& X1 ESignal circuit
9 g$ l" H4 [+ DCircuit breaker
6 d X: G/ F* A9 CInstantaneous-trip circuit breaker
3 e0 I. j4 D8 h" EConductor
$ J( s5 d) W( Z9 N' G& F9 G4 vConduit; `; F! o# H2 E
Flexible metal conduit$ |6 A0 a" F+ q$ R I: _' A" x
Liquid-tight flexible conduit3 W Z- |$ P! B9 Q3 q
Rigid conduit5 o' ?5 {* A) F- ]5 F
Rigid metal conduit2 Q8 ]& B! y% `3 U% U
Rigid nonmetallic conduit8 v2 N( Y) H& k! y& Z
Rigid PVC conduit
* h; O( Y7 w: G0 r6 ?Connector
( a/ M: W0 R1 v9 b Box connector. m7 f2 x5 }" S- |# x" A j
Wire connector" }/ \% p/ [8 }5 |
Controller
0 B, b! ^0 E% {+ G- H% y, _. UDisconnecting means: m- H" J4 k5 ^7 O8 @5 }- O
Dust-tight* L+ [3 u' @4 @% Z% Z, L, l
Dwelling unit
6 u D5 b0 b. Y/ E) e9 p: CElectrical contractor
7 v, X! Q$ O! Y: |. lElectrical metallic tubing
* E. d+ x/ o) a0 [; z# r% n- Q/ l2 ~Electrical nonmetallic tubing1 U4 v9 f- X& o8 w z' O$ P
Emergency lighting# k% ~; t/ b9 U& H/ k
Explosion-proof
+ E$ A& a) J9 c4 G! G8 i* [Extra-low-voltage power circuit
, b, d% n9 \; s8 n( ?5 ?1 {Feeder
: O- B, g; k& f% U% bFlexible metal conduit' d# N2 v8 b8 _% P0 ~9 z/ Q' Y: i
Ground+ w& s; T: M/ X8 g' _
Ground fault circuit interrupter
( }! e, O- ]8 Y) L0 T2 q" Z4 b; nGrounded) P. `. I1 c* c5 r2 {" A
Grounding
* G7 u& I! S) y+ ~+ K7 k$ RGrounding conductor- G. K2 R8 U5 `6 a( s
Grounding electrode: Q) f' ]- Z& Z2 I& c& a
Guarded
$ t9 Z- y# y3 W7 uHoistway
' h+ Y' E1 c+ w- E1 ]( u* @Identified) x" p' c! z- k1 ^, O p
Lampholder" ?& {5 \$ `: U) w
Low-voltage protection- `8 s0 B, j# M( f. r' K }7 z3 g% A
Low-voltage release% w" `* U0 R: Z6 k* a- j) k
Neutral3 Y) _# y! B! J4 w
Noncombustible construction
/ }+ n9 `6 v: c0 v( R0 `! hOutlet
# V0 D' s$ {9 MOutline lighting
3 h; E; s5 o$ n% k; IOver current device
$ ^5 Q0 `# p3 ]Overload device( N9 z7 D) g* }6 g, G# O2 @' M
Panel board# y' B$ I) m* G6 Y5 Z6 d$ n( M
Panelboard, enclosed
% A, m; h: ~/ d6 {& w/ HPermanently connected equipment- V- s! r* S3 b) t5 y' `
Permit
& D1 e1 I* y* t/ sPlenum
# [8 s7 N/ L3 PPortable as applied to electrical equipment
: K+ r% j& K u9 J# ?) U% E; QPortable ground fault circuit interrupter2 I1 w" l8 _' r$ I# W
Power supply cord
8 @9 A. X: j( ~6 p" i' f; O0 b! L. ?5 tRaceway! h1 @, z# C# y2 t- G. v) t* U v
Receptacle: F4 P$ Z: K5 w% w; G! g( {( o
Duplex receptacle7 V1 B7 V M! \
Single receptacle
% z1 v1 B/ Z8 a6 w/ C Split receptacle
: s4 u( ]; T' X' p* I0 d6 qService, consumer‘s
* ?0 ^( U$ H+ j5 L% ]Service, supply
1 i% B, R- ]+ L/ k- O. x- iService box3 O7 |5 _6 Q9 {+ y/ z) ?' j2 f
Service room# F" o* b) _2 H1 r
Single-dwelling P% o8 @- D5 y* A! P
Slow-burning as applied to conductor insulation6 o6 X, ?8 S% y0 b1 E2 q- A4 A
Splitter" E9 R# j; f1 Q
Starter
, v' n! P! M5 h0 p5 qSwitch
7 N. U3 b* C" S& a; V, X. v General-use switch
' N: }2 C( O7 e- g ^ Indicating switch
- n7 S8 r$ g- Z* C0 O Isolating switch$ f5 f5 |& c0 n; l6 A c6 h+ a% T
Motor-circuit switch
u: u# k7 S4 }; ]0 U# h) \& N ?System% v% _1 X9 i- B3 d/ Z( O9 }) C
Communication system
7 P) F& D3 D L" K Community antenna distribution system(CATV)
" j, c$ Z+ i5 {2 N, k7 D% q3 F Grounding system1 n s, A3 ?! D( d# u- E: }$ G0 u3 X
Underfloor raceway" H0 z$ [6 X; G5 Y
Voltage:4 K: J, q( j% g1 k8 d& C V
Extra-low voltage) V$ T* m7 J! [* T/ _4 {
High voltage$ Q* P4 e/ R M' E( j
Low voltage
9 v" y( g4 Q9 HVoltage of a circuit
, [4 o: Z2 j+ cVoltage-to-ground: Y6 U5 r0 W l: g" p5 @7 s4 G
Wireway
f7 {: u/ ?! V D1 J% M) g* `; }( ^ Q- ~+ @" f; @! H% {
Section 2 GENERAL RULES% H3 `9 ^9 i" X! K; G
Administrative# K1 o8 i+ V: t) G& ^% u" o2 `' P# H
2-018 Reconnection7 x3 D8 t e3 E' I2 a, R
2-030 Deviation or Postponement
+ c& \7 t6 T* g- _; _Technical General5 Z! L& G9 V% b
2-106 Circuit Voltage-to-Ground – Dwelling units; E+ M5 U! k H# s% G
2-114 Soldering Fluxes! o4 E; Z; Z' k: x1 h3 f
2-116 AWG Sizes of conductors
. j8 E+ K" P, L K0 O2-124 Fire spread (see Appendices B and G). p; Y5 N5 R3 j; P% r
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)& m* J3 i. c1 H# o
Protection of Persons and Property3 g$ f5 x: ~. J/ B: o
2-202 Guarding of Bare Live Parts" Q3 I, ^' Y9 F
Maintenance and Operation
7 U' [7 S2 P+ C0 e, |; t* [7 b7 w2-304 Disconnection1 [& y9 N6 J* Y- p! e9 @
2-306 Maintenance of Live Equipment
% r+ h& P0 X% l4 z0 I/ @2 t! y; q3 gN 2-306 Shock and flash protection (see Appendix B)
1 |% B) a6 _2 `( w2-308 Working Space About Electrical Equipment: Table-56
% e6 t, f+ R4 k- J' g2-310 Entrance to, and Exit from, Working Space
# s+ m2 T! I1 a2-320 Drainage& ] m* [% n/ d2 ^
2-322 Electrical Equipment near combustible Gas Meters and other Devices
+ h- o$ O/ [- E' X: O; nEnclosures
4 Y4 z* s9 ~: w c _2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
9 G* M* a& y6 F# l2-404 Marking of Motors: DP, WP, TE
1 X; |" _* b6 I; X7 m
/ C1 t% ?8 g* V4 g" C" D/ VSection 4 Conductors
* e# P4 S7 N, }# ~4-000 Scope
" M/ X5 o, K9 `1 Y& V" o4-002 Size of Conductors: 14#, 12#7 _7 N* r- ]7 J R: |& n
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36# Q5 j, R9 R% S3 C* ~8 a
4-006 Insulated Conductors: Table 19
- A- J% o5 T# i" |! Y4-010 Uses of Flexible Cord: Table 11! Z, N$ B1 W. o1 H
4-012 Sizes of Flexible Cord2 u2 F) \2 G0 r0 h7 u
4-014 Ampacity of Flexible Cords: Table 12# [) C$ u2 O9 R/ s) F, ~- r
4-018 Equipment Wire: h- o, A; T8 ^6 S; S: [
4-020 Insulation of Neutral Conductors
0 l/ }5 ^: D1 h# C- \, Y- v4-022 Size of Neutral conductor
% {: X: [ Y5 P+ a- v+ z0 F$ b4-024 Common Neutral Conductor
" I j, ?( J- y# X& ?9 m% z6 O4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
' r* r w" R& H; j! G/ U4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum; M) x/ P! y, j# y. F
4-032 Identification of Type MI Neutral Conductors$ n& k: Q4 Z( k& q
4-034 Use of Identified Conductors5 }5 s. j4 k* y9 g# _
4-036 Colour of Conductors: Phase A, B, C, …
5 ?, \) u5 g- P$ r9 R
& W0 g. K3 H! M E6 V+ i. CSection 6 Services and Service Equipment
/ D2 P0 m! [% e v& DGeneral
- N! `9 b W0 } n/ ]8 c6-102 Number of Supply Services Permitted
; b8 ~8 S" @- @6 g+ b6-104 Number of Consumer’s Services Permitted in or on a Building2 R5 d% S& X6 a$ e. {
6-108 Supply Service from an Electric Railway System4 B& k. N# Y- z; u* @2 `9 Z
6-110 Three-wire Consumer’s Services . M, f8 y) v" y* _5 T
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors1 ?( J; ?7 J, C, h. Q
6-114 Methods of terminating conductors at consumer’s service
" P% I6 {1 T- f6 E' j* x% `6-116 Consumer’s Service Head Location
4 S5 e. e# {' F5 wControl and Protective Equipment
9 b6 h4 n. g1 [: @6-200 Service Equipment
' v I) `; N. g8 q6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e) o1 `$ _+ Z, s" I9 g2 H4 V/ k! ?1 M
6-208 Consumer’s Service Conductors Location, O, {: ~9 P- t" N/ Q; K% I |
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches7 I g9 d. N" \
6-212 Wiring Space in Enclosures
& h* @' X/ @+ e' l i! q' Z6-214 Marking of Service Boxes
7 T0 ~8 f0 E$ YWiring Methods. L/ w J+ _4 V. r. h$ P/ j
6-300 Underground Consumer’s Services
* k' N' {8 n6 N$ }: m/ c/ U6-302 Overhead Consumer’s Service Conductors5 T: Z, ?" ~7 A
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable) C+ d- P9 ^9 }0 X4 z# U% R
6-306 Consumer’s Service Raceways @. f6 l s' o
6-308 Use of Bare Neutral in Consumer’s Service0 ~3 y* i% I) I, K0 k5 `1 m
6-310 Use of Joints in Consumer’s Service Neutral Conductors9 l; e, T- C. k, ^4 u& i) V. Z
6-312 Condensation in Consumer’s Service Raceway/ ]- @: ?& R6 N! B9 e* ^; L( c
Metering Equipment
$ `; u$ R6 W& Z* x% X! _ Z3 v- P6-400 Metering Equipment
/ F: @9 j5 K- [ F! O2 f6-402 Method of Installing Meter Loops2 y! r8 B3 T# |# l. I2 P
6-404 Enclosures for Instrument Transformers' G+ X: S; @+ z0 g; _
6-408 Location of Meters
- P( \1 ~, ~# n
& Y* m9 u3 n' i. S& `! ~) q6 ~Section 8 Circuit Loading and Demand Factors1 }+ `, R) z2 r. {3 X
General$ a4 G, J0 m. d! _; H% S
8-100 Current Calculations9 L7 }2 x! s$ O U5 {8 `
8-102 Voltage Drop ( see Appendix D)8 W4 R4 t N! A q* |
8-104 Maximum Circuit Loading
( F4 o/ f/ S( l& E$ P4 k8-108 Number of Branch Circuit Positions
4 z5 c% S/ S) e m5 i8-110 Determination of Areas8 g# c l8 w1 a4 J+ i- x' U
Services and Feeders
( k2 [0 b' n! z4 r. w, J8-200 Single Dwellings (see Appendix B)7 C* o" F7 O- b: v
8-202 Apartment and Similar Buildings
$ ?) ]8 z. u$ y4 p8-204 Schools
' c3 i7 S3 S8 |2 u6 A2 W8-206 Hospitals) x$ N. p0 ` o
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy# F+ i7 k7 `8 p5 J; u( ?
8-210 Other Types of Occupancy (Table 14)8 I& o, t2 L1 x# w4 X
8-212 Special Lighting Circuits
! B) _7 _3 {; Y" a4 xBranch Circuits* }: ~' d, n7 F8 w! U( M9 |' y
8-300 Branch Circuits Supplying Electric Ranges5 H" T6 L; R+ k: h4 A3 v
8-302 Connected Loads
1 y0 i, n- B+ X; ^$ I: P- w" i; x+ e7 d" Q3 @5 ~0 e3 d6 X
Section 10 Grounding and Bonding
6 g1 T( d6 y3 ~( Z j9 kScope and Object
2 P3 F( _+ I& V) U6 l' `10-002 Object2 [. p: V1 I4 g5 a- M' H* F
System and Circuit Grounding
' `# r3 z$ q1 Y0 a' {0 Z10-102 Two-Wire Direct-Current Systems
6 W$ E7 B( S0 O: O" \% r10-104 Three-Wire Direct-Current Systems
: K" z# ^; t9 S10-106 Alternating-Current Systems
% `! `& x3 ? R6 [10-110 Electric Crane Circuits
6 W: y* K1 ~- N- u10-114 Circuits of Less Than 50 V& F) W& T/ x8 s& N
10-116 Instrument Transformer Circuits
+ r+ r! [$ D3 @! b0 j2 }) fGrounding Connections for Systems and Circuits
Z. ?# F, \( M/ I$ |10-200 Current Over Grounding and Bonding Conductors
' h& j& o- @. g5 O1 X0 s10-204 Grounding Connections for Alternating-Current Systems
9 b! q" N) Q( \' G+ O10-206 Grounding Connections for Isolated Systems
7 b6 x) d" P% s" E10-210 Conductor to be Grounded
, l1 J8 c1 _) e1 X/ e- {- ]8 tConductor Enclosure Bonding9 T, T0 @2 l; r. ?8 V; p2 @' A
10-302 Other Conductor Enclosures
3 m) X' Y( i! h9 p4 k6 a( ZN 10-304
3 C. A+ g. m' B4 QEquipment Bonding7 p- o, D+ w) ^* p2 Q# }
10-400 Fixed Equipment, General4 h* t6 A% K; [
10-402 Fixed Equipment, Specific (3), (4)4 P: {/ G$ d S0 Y. S
10-404 In Nonmetallic Wiring Systems
7 ]$ {- T, h f8 R& f' I3 i10-406 Non-electrical Equipment
; U* N+ D' O& E2 T6 W+ t4 B( o0 s10-408 Portable Equipment (4)(b)
7 R5 x& S7 h7 h% v5 A, s z% k10-410 Instrument Transformer Cases8 Y: j4 B0 \5 t8 T: i
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
$ f; x4 W) j- [2 f- q& u6 _% R10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
5 I; X/ N0 `$ l8 m0 ~Methods of Grounding
6 ~! g# D; ~1 C5 k% `10-500 Effective grounding (see Appendix B)
0 G9 i& o5 Q! ^* n) s% J10-502 Common grounding conductors0 z' |+ p3 [4 Q+ o: T& q4 q7 J+ A5 l: z
10-504 Common grounding electrodes. l; L) d5 J. E1 e) j7 x% m
Bonding Methods
1 X! ^, |% m `/ D$ i) V6 L2 v& o, F10-600 Clean Surfaces
& B' W6 h$ ^ F1 B: Q. D10-604 Bonding at Service Equipment @/ ^& }$ Y8 B. g6 C
10-606 Means of Assuring Continuity at Service Equipment; N) a6 p- ?( d: }) ?' ~
10-610 Bonding at Other Than Service Equipment
3 d( W2 v: ]7 E) H9 k10-612 Loosely Jointed Metal Raceways
2 W5 p) s' ^, o9 o10-614 Bonding Jumpers Table 41 f M9 P% j/ C6 Z! ?
Grounding Electrodes
1 n/ r' P# K7 p/ |10-700 Grounding Electrodes/ A- y- x, o4 ]: f; ^. V8 M& C6 n4 M
10-702 Artificial Grounding Electrodes+ m" z T# x: b4 D& u4 H% R
N 10-700 & 10-702. B/ ^0 A) `( u1 P5 f
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)6 m( T1 T: O) L6 ^4 S# J
N 10-702; c. V& C7 i% E3 |2 [
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
' ~: e7 B/ k* ~! O1 [N 10-702
0 a+ h0 ]5 q+ i- m' r. L. v) U M5 i10-710 Use of Lightning Rods (Appendices B and G)/ B# |8 j5 S8 T; n
N 10-706' {& X+ o( h2 T3 I6 L
Grounding and Bonding Conductors
, v: Y' d5 o# D$ H: a10-800 Continuity of Grounding and Bonding Conductors( |+ S8 k. a/ a& Y! U
10-802 Material for System Grounding Conductors
- V* t4 X$ O, F, G, S+ b1 X10-804 Material for Bonding Conductors
8 B* i) D3 v9 K$ [! y- s10-806 Installation of System Grounding Conductors
+ _9 ?" i/ ~: e: {+ A, O6 q10-808 Installation of Equipment Bonding Conductors+ ?( U' V0 O. R7 q) `8 A9 P
10-810 Grounding Conductor Size for DC Circuits+ V/ N8 h v& Q, U6 e9 O
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
6 V- B6 d$ K* I6 M4 r4 v. q10-814 Bonding Conductor Size (Appendix B)6 d, d! S5 n) W6 e& n9 @ ^' U
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment f% C, ~. `0 @/ @. x' v5 H
10-818 Bonding Conductor for Outline Lighting
2 l) k9 ]" q" ], c9 e. d: R/ f10-820 Bonding Conductor Size for Instrument Transformers9 Q9 e7 W4 J' p3 Z/ A' i2 s. k
Grounding and Bonding Conductor Connections0 f: e" t5 U# B" X; j
10-902 Grounding Conduct Connection to Water Pipe Electrodes/ x, D; ?7 o' c6 H1 }0 B
10-906 Bonding conductor connection to circuits and equipment$ a. c/ g- [ L7 e7 q
10-908 Grounding Conductor Connection to Electrodes& |6 d! D, Y" r
Lightning Arresters
% A9 }2 m6 i4 Z3 d8 ?8 u, W2 \3 j3 z10-1000 Lightning Arresters on Secondary Services – 750V or Less
1 d7 ^7 F7 Y) D* H( E/ t" ^ x
Section 12 – Wiring Methods
7 C. [: _, o" z3 B( ^" A; WScope
% z3 b+ r$ L, ]2 C. d12-000 Scope (Appendix B)
6 u. `( l9 T$ @" BGeneral Requirement
5 }) v. i8 p3 J/ j12-010 Wiring in Ducts and Plenum Chambers
. u1 {/ W; Z+ a/ n6 g12-012 Underground Installations (Appendix B)% I# \% b+ p, G9 I, h! ?8 {! u
12-016 Lightning Rod Conductors
: v8 N& q+ v0 A+ A" \9 E# c8 J) H) e2 YConductors - General
2 i- G4 W5 [* w: ]12-100 Types of Conductors (Appendix B) Table 19& B- F- i2 e8 _8 V
12-102 Thermoplastic-Insulated Conductors. n! u0 X7 O5 i2 u& W; T1 ~
12-104 Flame Tested Coverings
! e' z u! D' P V3 h12-106 Multi- and Single- Conductor Cables+ n3 h0 U k8 e+ T
12-108 Conductors in Parallel (Appendix B)
+ }$ ^' r. H3 E: M( x0 o- r12-112 Conductor Joints and Splices
$ X) i6 `$ Z! W4 B: M. G; x" i12-114 Ends of insulated conductors
+ V: U3 Y( P( n# ^4 U12-116 Termination of Conductors (Appendix B)# N ^& ]! ^/ R
12-118 Termination and Splicing of Aluminum Conductors& `: e# |+ W2 X+ {' ^
12-120 Supporting of Conductors - Table 219 U. U1 _9 a! B/ r6 T( W
Open Wiring! a% N3 ~& m+ h2 T
12-204 Spacing of Conductors
, e1 q* D4 y5 i! s: n' k3 ~0 |12-206 Conductor Supports3 i2 \7 V: r4 ]& L6 A7 O' v
12-208 Conductors on Flat Surfaces
7 C$ `' c& z& S12-212 Protection from Mechanical Injury! t2 S+ y; S) F- w9 K
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
1 P W& _" G F4 l/ m12-308 Minimum Size of Overhead Conductors
7 ~8 a$ X5 S+ Y. n12-318 Use of Neutral Supported Cables
) ]# C6 e8 I4 f# ~Nonmetallic Sheathed Cable# K/ Z" S8 f. m: B) B
12-502 Maximum Voltage2 ^' `; q. R0 J1 r" K9 a
12-510 Running of cable between Boxes and Fittings (Appendix G)
, N% e' Q2 p$ S# T12-514 Protection on joists and rafters
1 x4 s( i/ X C/ p7 E% t- B+ H0 P12-516 Protection for Cable in Concealed Installations (Appendix G)) i m6 f" S7 h, |. t( y* ^" Q: ~
12-522 Where Outlet Boxes Are Not Required
0 K. h2 K. [8 P3 R. zArmoured Cable' a2 Y9 R0 h4 g8 D. }
12-602 Use (Appendix B)- h" s& t1 r. a8 N1 O7 J) N
12-604 Protection for Armoured Cables in Lanes- A; }2 X0 E! b' k% H! `2 b- M
12-606 Use of Thermoplastic Covered Armoured Cable
; A+ @/ j" a) |0 R3 T% K12-608 Continuity of Armoured Cable, d* c+ \" a( L' l, Z s" o( w+ I3 m
12-610 Terminating Armoured Cable
1 e2 r5 U/ ^9 H- H/ c12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
" Y7 K& X" w( j! o, @, J4 D12-614 Radii of Bends in Armoured Cables% `. \7 W6 W8 G* h
12-616 Concealed Armoured Cable Installation: K! Q5 n3 P/ j% n
12-618 Running of Cable between Boxes, Etc- C& E; C/ ?* b& U" P- [
Mineral-Insulated and Aluminum-Sheathed Cable
8 |. B" J& m6 d6 I+ x7 C. L12-702 Use( ?) Y) x$ [5 Q: k
12-704 Use When Embedded
" w+ i4 E6 N5 C- y0 ?12-706 Method of Supporting
# a: F/ D' r3 y! b% M12-708 Direct Earth Burial
R" {" V/ C2 ~( r12-710 Mechanical Protection: g8 Y2 b: d8 X
12-712 Radii of Bends
" I' v0 j2 J6 m9 T* \5 H12-714 Termination of Mineral-Insulated Cable (Appendix B)
7 J( x" l& Q' C# v2 I12-716 Connection to Other Forms of Wiring6 I. M- t6 `; S2 u i
Flat Conductor Cable Type FCC
+ B& i3 \: ?* u+ Q12-804 Use Permitted
8 G; A+ D* k) ^$ H7 ?3 S; ^- [12-806 Use Prohibited
3 D" G1 q3 j5 b; a! z12-818 Anchoring- Q7 g0 D$ h. s+ F8 J) `9 c5 U1 ^
12-820 Crossings
% s1 y9 }. F$ Q/ fRaceways - General+ p& t' }( \& V6 j7 v. a( u
12-904 Conductors in Raceways* w) u( H8 E$ e$ f
12-906 Protection of Conductors at Ends of Raceways
3 Z+ m% E* N* r: q$ `7 j# G u12-908 Inserting Conductors in Raceways
; R" L5 o+ F* x8 G$ f" b12-910 Joints or Splices Within Raceways3 o; P& _/ m+ h# Z" ~; Z4 @! H
12-912 Stranding of Conductors
) Y% [: {. \/ ?0 J12-914 Electrical Continuity of Raceways! U# t& l, t) o/ k8 E
12-922 Radii of Bends in Raceways
4 r- ^6 k. p( ?7 N% mN 12-922 Radii of Bends in Raceways Table 7
# z# s2 a& s3 e. e0 B12-932 Protection for Raceways in Lanes) W0 J$ ~3 X8 x8 Z& l) r+ }+ d w
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)3 q+ O8 n3 @; S1 t' t6 Q
12-938 Capping of Unused Raceways- z. Y" m; j$ y/ Q& P" v8 W& ~; B
12-940 Maximum Number of Bends in Raceways. q) W: C$ ]9 ]6 c( }0 l
Rigid and Flexible Metal Conduit
3 \: k0 F: X9 i s12-1002 Use
. I1 E5 x; @% Y0 }# L" O" H12-1004 Minimum Size of Conduits
) o2 Q N& r; ^. A1 L" E12-1006 Conduit Threads (Appendix B)
# z M ~& `/ y12-1008 Thread Engagement
% R6 O, {0 n. ?8 r3 G12-1010 Maximum Spacing of Conduit Supports
8 F" R7 r. S' H4 r* H. J12-1012 Expansion and Contraction of Conduits (Appendix B)# R3 z; E* @, W6 N2 }+ P1 S
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
( C6 A9 b. _% f+ P2 |# Y" H) d% U) ~8 P; Z/ ~Rigid PVC Conduit and Rigid HFT Conduit
8 i( x8 |0 B$ A12-1100 Use& h6 P2 g: U$ R0 |
12-1102 Restrictions on Use# @1 J3 O) Q. V
12-1104 Temperature Limitations (Appendix B)
1 ^3 z: |8 S) b% E, {6 }& q0 E12-1108 Field Bends (Appendix B), (2)
; y% |& p s+ g* |+ `) d, c j12-1110 Support of Luminaires
% ]8 N! x" y) A& Q12-1112 Fittings" Y1 G* o) a' k
12-1114 Maximum Spacing of Conduit Supports1 c9 a& S- Q$ k. C3 ^1 y
12-1116 Support of Equipment b3 r7 ]# W& i1 s9 C E% m
12-1118 Expansion Joints (Appendix B example)7 D; ~& s& }% i; A; k
Rigid RTRC Conduit2 v/ I# t c8 J# b7 v) C
12-1210 Temperature Limitations
; t- X" x, H4 I# s+ G7 L4 M3 t12-1214 Expansion Joints (Appendix B)
5 Z% j! Z$ C/ k7 b, d3 l$ n8 N2 {Liquid-Tight Flexible Conduit' T |9 h( u5 y- r
12-1302 Use of Liquid-Tight Flexible Conduit
5 _+ p: y' K3 e. R12-1304 Maximum Number of Conductors) k; c% M+ ^; _- e5 ?. j' J
12-1306 Provisions for Bonding
$ G. M3 O7 u' C! K! bElectrical Metallic Tubing
R8 ^/ @# ^# C. y8 f12-1402 Use
! k% v* X" i9 z _3 _; h12-1404 Supports2 d8 |& z- [) k8 w( t' E- ?6 y
12-1406 Minimum Tubing Size1 b6 v, a1 B% i* N
12-1408 Maximum Number of Conductors
: Z8 w. j# `( E' M* B12-1410 Connections and Couplings" i5 o7 H; A4 x
12-1412 Radii of Bends in Tubing
4 A) K6 u( N9 Z& Q3 H/ l4 \N Table 7/ T r( {" q$ q* X! K; w4 A: F: i1 x
Electrical Nonmetallic Tubing
2 O" S; O2 S' |0 D* ^12-1516 Provision for Bonding Continuity( I4 l3 U' V4 ?- v" j. _
N 12-1514
; |1 V; P+ N7 G7 FSurface Raceways7 N4 _$ U% q: Q9 b4 A
12-1602 Use of Surface Raceway (Appendix B)
" v/ |# u* W& {3 {/ a. h12-1604 Temperature Limitations- d9 I0 J! u3 K H- p
12-1606 Conductors in Surface Raceways (Appendix B)
2 ]9 d+ p. u% ~5 w$ m& v6 P- {% g: |12-1608 Maximum Voltage
# T% d' F/ w, v) X& y" {3 `12-1610 Joints and splices
' j/ h* e& H1 J$ p3 @) d# VUnderfloor Raceways
_ U/ O) L# f' [; a. o12-1712 Discontinued Outlets in Underfloor Raceways1 i* K" Z' d1 T5 f
Cellular Floors
1 v% F8 ~- L' x7 ]8 F; _; j4 x12-1804 Maximum Conductor Size in Cellular Floor
- E7 n3 d8 K8 K12-1820 Cellular floor discontinued outlets
' C3 r; \2 Z: _$ f2 b5 N7 @Auxiliary Gutters
$ K# Y6 F6 N* e0 ], g12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces* [. T( k9 Q: O5 o; z
12-1902 Auxiliary Gutter Supports
' L; }1 q. L B: u7 D n3 |( S12-1904 Auxiliary Gutter Cross-Sectional Area9 \3 U% O. z3 d3 a
Busways and Splitters$ s( ~$ U6 e! @& f
12-2004 AC Circuits in Busways and Splitters
* _+ K! Z1 ~! x5 n7 W1 f- a4 D7 U12-2006 Busway and Splitter Supports
1 I& T* W8 j% Q: ]% S12-2008 Method of Installation of Busways
g; w5 _1 \& i, e0 M/ I12-2012 Reduction in Size of Busways
/ P( y! o( u: r0 q12-2014 Length of Busways Used as Branch Circuits0 v: S e9 U: J$ r
12-2018 Taps in Splitters" y4 H! Y! F \. m0 l
Wireways
) P, K6 u& `% T e) M, a1 ^) [12-2104 Conductors in Wireways
@) x" T6 p2 ~: Y! k12-2106 Taps and Splices in Wireways. u4 ^: a2 |4 x* Q& u1 x$ {% H) w
Cable Trays
! c P2 Y* K% u% V- |" x( z! `12-2200 Method of Installation (Appendix B)6 o' R; @) B* T. X( i: Q' d
12-2204 Joints and Splices Within Cable Trays4 D: f, K. e2 n1 e. u* n
12-2208 Provisions for Bonding1 Q3 N a7 ~6 t8 Q
12-2210 Ampacities of Conductors in Cable Trays
9 Q4 Y$ H5 E3 h! U- l. V7 ZInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
3 v& M* a. x0 b0 |$ v12-3000 Maximum Number of Outlets Per Circuit, R% M. e) g* F3 d( {% q0 S5 c
N 8-304: A) i; L) z# X
12-3002 Outlet Boxes (Appendix B)) q9 \! d3 o1 ]; S6 V2 S
N 12-3000
8 V* b1 E% d% O9 v) d( [12-3004 Outlet Box Covers/ h) Z0 b3 [7 g1 | U5 B* u: ]
N 12-30027 d5 A- ~% W& w: B* {
12-3010 Boxes in Concrete Construction
( {$ U( Z; S9 k: Y5 \: wN 12-3008; ]3 f `. _$ }2 ^8 }
12-3012 Outlet Box Supports
6 A3 e; h5 J- Q* v0 nN 12-3010
7 \+ ^6 Y$ W+ ]+ k12-3016 Accessibility of Junction Boxes4 m9 s% M# g# Y+ N9 Q) A0 g
N 12-3014) D. N* P/ g( b& v
12-3018 Flush Boxes, cabinets, and Fittings
* b9 Y) C) i8 v. @N 12-3016
6 d$ e {6 g: M8 S8 z' G12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
; p6 x: D0 v- I T' I+ lN 12-3022' G0 z+ s7 j: e- M
12-3036 Maximum Number of conductors in a Box - Table 23
8 p1 r6 |4 A# qN 12-3034( r, A5 r6 G' W/ d% I. ]1 j t7 D
12-3038 Pull Box or Junction box Sizes
5 \7 Y# c$ {& R" R6 |; D" P" f( fN 12-3036
& N* n+ r2 s. K3 X! D8 E
2 o; C, M2 b' v6 x% S/ oSection 14 Protection and Control
6 W7 c7 j8 `8 P/ h& \General Requirement
% o* D$ x( `& s: @8 w7 f14-010 Protective and Control Devices Required
4 p2 K% r: G7 m14-016 Connection of Devices
8 f& a6 P% @1 @" c Protective Devices – General
$ k6 s- l. G% ]2 j( X( N 14-100 Overcurrent Devices Required
2 r6 W2 T& p& d/ v8 R [ V14-102 Ground Fault Protection (Appendix B)
9 v1 w& Q( B. J" D* K0 T9 h14-104 Rating of Overcurrent Devices (Appendix B) Table 13
2 Q6 M0 m. G+ o! b14-112 Overcurrent Devices in Parallel
* \+ g; S# K9 O/ a, L5 W5 z, uFuses4 W* U- V) }! g
14-200 Time-Delay and Low-Melting Point Fuses
+ u$ t( g. f' [14-202 Use of Plug Fuses
# w" j2 T* U; m& ^14-208 Rating of Fuses
! w/ x4 g7 c' x0 \0 K. e. E14-212 Use of Fuses (Appendix B)* z0 B& Y _. S9 Z$ M4 r
Circuit Breakers
; Q* [0 C& w& i/ N+ d- x14-300 Circuit Breakers, General
) I. i# F% a/ i9 c9 j14-306 Tripping Elements for Circuit Breakers
' J2 _1 h7 V$ p r14-308 Battery Control Power for Circuit Breakers, X% V5 v7 [$ N" E) W4 ]" C+ [
Control Devices - General
& g% x. h' a$ z7 ]14-402 Disconnecting Means Required for Fused Circuits1 C8 f+ {( i" A1 o# z
Control Devices - Switches, a b7 V8 W/ q8 S0 o: Q3 `$ F
14-502 Mounting of knife Switches8 O8 z P, u; N4 w( F
14-504 Maximum Rating of Switches9 t' I \7 s, o5 |5 d$ X
14-508 Rating of General-Use AC/DC Switches (Appendix B)$ x$ W% ~2 t" W: [
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)7 ~, }, Z/ y" L0 y1 l9 C
Solid State Devices
6 G' I# t8 e( w6 M14-700 Restriction of Use) Z6 ]( t- a3 S# Q( i0 m; A3 ~' O
14-702 Disconnecting Means Required6 F8 X/ w+ B% e- H! r
4 E5 v4 F3 [) v+ p# @+ zSection 16 Class 1 and Class 2 Circuits
% t$ h: N) r8 P4 f9 E7 q8 R4 jGeneral
/ {0 H1 E% z0 B+ C6 a" V0 T, e; r16-004 Class 1 Extra-Low-Voltage Power Circuits
& R% l- k2 v0 t6 [+ J6 X16-006 Class 2 Low-Energy Power Circuits
! C+ @. ?7 [4 ~- ?) i. G( g16-012 Circuits in Communication Cables
. e' T. g5 j$ C) n$ X- H* q, g0 nClass 1 Circuits
" E% T# `6 B5 r& J16-100 Limitation of Class 1 Circuits9 _# O N6 R" I
16-104 Overcurrent Protection of Class 1 Circuits
2 Q& |% l" {9 n. p, K- g16-106 Location of Overcurrent Devices in Class 1 Circuits0 G. n" C" d- Z. h# \! m
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
& n$ b6 V, Y- B, r1 i* x16-110 Conductor Material and Sizes
6 z/ p% ~' E# \" O! [, F* u @16-112 Insulated Conductors for Class 1 Wiring
" n- H( [1 `2 X2 c$ H. qClass 2 Circuits% P, w) R% w b
16-200 Limitations of Class 2 Circuits (Appendix B); G$ Z1 t2 H' a$ _7 J; T& Q8 W5 I
16-204 Marking9 ?$ d4 K) F, Z, r6 [8 q
16-206 Overcurrent Protection for Class 2 Circuits
! P9 J3 Y1 b, i) G3 M+ N0 h' G7 i16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
* c9 w" d! o w2 G5 G$ S: qELC: extra-low-voltage cable
& B* O+ U) E; p8 @ ^16-212 Separation of Class 2 Circuit Conductors from Other Circuits
2 W& H1 C+ X! |* P- N' d0 x
2 b3 a/ O# M% v# `7 X$ O5 x5 _8 oSection 18 Hazardous Locations J6 n( h; g0 G' k
Scope and Introduction
% |( t8 ]6 u" h1 V" E" q% e18-004 Classification3 N# i) A/ P0 R3 r( f5 ~1 U
18-006 Division of Class I Locations (Appendices B and J), U8 H5 M' f) h+ T% f/ m
18-008 Division of Class II Locations (Appendix B)
' }1 {! M, O% M8 n# r% R18-010 Division of Class III Locations (Appendix B)
) j- ?' O* [/ Q0 n8 SGeneral1 N/ m, Z1 r" V1 L5 N
18-062 Metal-Covered Cable (Appendix B)8 G; h% @5 c+ k8 C# M- o
Installations in Class 1, Zone 1 Location9 y( z6 X8 Z- `7 X! U
18-108 Sealing, Class I, Zone I (Appendix B)7 [8 X( w B4 P. U r
& S) o; p) A, z4 F3 l! O+ d/ zSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars+ p! [7 `6 U5 D( L
Gasoline Dispensing and Service Stations! T$ G9 Q( o3 Z2 U' }& t: t6 ?
20-002 General
- V$ o$ K6 u. z' L% _20-004 Hazardous Area (Appendix B)$ t# T: C! l8 j( @
Propane Dispensing, Container Filling, and Storage+ c9 o5 S: T* C% S* l( m
20-034 Hazardous Areas - Table 63
2 G; J8 A* E' I+ \1 A, E cCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
0 _2 o% H! g9 ]" o7 ?* s20-062 Hazardous Areas
- }2 x/ l, \8 A: _Commercial Garages – Repairs and Storage
/ J: W0 O( Q- x, W8 X% g20-100 Scope
5 H* {: j: C' c1 W P9 B ]+ O20-102 Hazardous Areas (1)
8 d6 W3 r$ a: t- B- t
% ]8 v! u% i) U% aSection 24 Patient Care Areas
+ b- P& i; G8 @( Z/ a24-000 Scope (Appendix B)
5 R3 ], {$ o* L/ [& Z+ ~$ G24-002 Special Terminology (Appendix B)
2 w/ W* h6 ?; V3 U Patient care area3 l m% |/ B) X% G7 W
Patient Care Areas% u# l. i+ z9 i
24-106 Receptacles in Basic Care Areas (Appendix B)" U. p6 X- f5 Z% u
Isolated Systems
) _' f3 [. R, T; L2 [4 g* p6 K24-204 Single-Phase Isolated Circuits (Appendix B): ^9 R4 _0 t. ]9 ~( T4 `, U4 t7 U
24-206
1 L* T4 w! M6 s* m5 H9 |! T8 F/ R9 ?0 X# @$ Z6 v4 @
Section 26 Installation of Electrical Equipment) {5 q& X( Y0 {6 ~4 P$ l4 D
General
n" V5 I; Y$ U1 P26-004 Equipment Over Combustible Surfaces (Appendix B)8 ]( y Q- W9 J- z
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
+ r& B) T. P# ~5 a Isolating Switches I Y9 C' w& W: I, R/ P
26-100 Location of Isolating Switches
0 g$ }5 q$ l9 W& VCapacitors" a0 G0 b1 a! Z! l; ~
26-204 Guarding of Capacitors' D, o( w* L0 u
26-206 Grounding of Capacitors
% V L2 |: u7 X: t0 O26-208 Conductor Size for Capacitors' H! w1 x" U$ F8 z1 N5 l
26-210 Overcurrent Protection (Appendix B)5 ^, b. ?- r$ ?8 H9 z
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits: a) {2 Z, G8 V% P5 U: e
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits; q N6 m- z h B0 R' `. a+ O8 l
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
9 ` W5 v0 v7 F- O" `7 M( T4 K0 e26-218 Special Provisions for Motor Circuit Capacitors" g( l3 Y9 {$ M* v* N
26-222 Drainage of Stored Charge of Capacitors9 J1 n2 h6 }6 \
Transformers
7 x+ U! U3 j; u, R) P C26-240 Transformers, General, Y7 |% m8 J( D5 |
26-242 Outdoor Transformer Installations
. ~/ H/ s2 ?5 j+ g26-244 Transformers, Mounted on Roofs (Appendix B)
& z( C) j# R! a* s26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)* Y! z; G! m4 e
26-248 Dry-Core, Open-Ventilated Type Transformers! N; i6 R, D4 F) ~ N% A
26-250 Disconnecting Means for Transformers
5 E8 f# L# a2 t9 A8 `' K26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V/ Z0 r, }6 s% v0 a7 j. \/ D0 m
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
t4 W5 \# |( A3 T' F26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)% b1 u5 W2 F/ ]" q; k/ E* ^2 M
26-258 Conductor Size for Transformers
/ D8 D- I/ s4 v# q26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
8 Q6 _& S6 F8 W) d" H26-262 Marking of Transformers
! S F4 ? O; h0 q26-264 Auto-Transformers
$ n* o w4 t# RFences* w7 d; L' U4 e+ _4 H3 R, |
26-302 Clearance of Equipment - Table 33( q/ Z9 O6 K' D* Q7 E/ Q
Panelboards
, v) ]7 R( |. B( E# [26-400 Panelboards in Dwelling Units (Appendix B)- D" {: a2 t: c- K2 t* k9 H4 ?
26-402 Location of Panelboards (Appendix G)
4 C; d5 H2 f# {. BLightning Arresters2 V; q/ }1 |( [& `
26-508 Connection of Lightning Arresters
2 o7 [1 p' S: u" ?) n- @Storage Batteries
1 ^3 H$ Q2 Q, c1 U! `4 L+ g26-542 Special Terminology
* K; X1 U! \4 @ T- E" T( u26-550 Battery Installation
- r, S) ?% @& v- Z; c26-552 Wiring to Batteries, z C( e; s$ M" e" g5 B7 `
Arc Lamps
Q5 q! N$ ~4 L o$ |1 Y26-600 Location of Arc Lamps; x/ B6 |& k) _- L8 N) R! R
26-602 Conductors to Arc Lamps
r, B% M4 H& x- c26-608 Globes and Spark Arresters$ F4 G& q! b) A, i
Receptacles0 x9 ^8 l5 W2 S
26-700 General (Appendix B)% f6 U# ~2 E# [) j! w
26-702 Receptacles Exposed to the Weather# N1 X x1 }: H
Receptacles in Residential Occupancies
' @( ~5 e5 r+ X8 @ r0 n26-710 General (Appendices B and G)$ f! n" B) F& o2 H/ }$ n
26-712 Receptacles in Dwelling Units (Appendices B and G)1 S# X' @/ _! s7 n
26-714 Receptacles in Single Dwellings (Appendices B and G)
9 I; N' @: ^0 s! QBranch Circuits in Residential Occupancies
2 [3 W, y8 |* D U- Y0 Y26-720 General
- Y5 U! P8 c4 |! U* m0 v; O26-722 Branch Circuits in Dwelling Units! E( {9 ?+ b1 Z3 e) i
26-724 Branch Circuits in Single Dwellings& K1 x! w/ W# f7 }
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)% \ t8 X5 d4 j% o' z* {3 W4 z
N 26-720 (F)
- ~8 c% G t- G1 [# V1 L: }Electric Heating and Cooking Appliances1 F3 ~9 s, H8 |- p- P8 e
26-744 Supply connections for Appliances, F. }) i$ D: X
26-750 Installation of Storage-Tank Water Heaters
! g4 B3 u# r& [' e7 u26-752 Infrared Drying Lamps
; U* c8 m6 B& b" e* ]& k1 Y8 _8 H1 i) R! r, C6 ~5 R9 G' n
Section 28 Motors and Generators! E, B% V2 x* K- b* X9 y
General% Z) \1 Q* i3 v' c$ I
28-010 Special Terminology
8 o5 S- O1 b6 Z [1 YHermetic refrigerant motor compressor
4 B9 @" U, @0 x5 u5 t0 ILocked rotor current rating2 P- I- {& X5 S8 h5 b6 @0 k {$ Z' ?# o" D
Service Factor: h9 r# f$ i3 \' v6 I- y" y
Table 44; Table 45; Table-D24 o- F0 l$ U% {) x* R
Wiring Methods and Conductors
. e( Z( x- \1 [7 j1 o28-102 Portable Motors' [2 t; V8 y( E C* J" r8 f
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity# [8 T8 E% r6 |1 s- P
28-106 Conductors, Individual Motors8 k6 F; P6 O" o* F9 Y7 o
28-108 Conductors, Two or More Motors
0 X, e- W8 ~& N: _8 K5 s8 H5 L5 Q28-110 Feeder Conductors
5 o4 T$ V1 E( N6 K28-112 Secondary Conductors
2 [+ W2 S, ~ P W( x8 aOvercurrent Protection/ s9 \* C. E' I
28-200 Branch Circuit Overcurrent Protection
5 a4 F+ |# C) U1 }' H28-204 Feeder Overcurrent Protection
. {7 E1 e: c! t3 y28-206 Grouping of Motors on a Single Branch Circuit: ? ]; U2 Z5 n
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
- _/ i7 ]6 O# \7 c' p; IOverload and Overheating Protection
9 }* [9 C" B, u$ j; [! R) l3 l5 h28-302 Types of Overload Protection
' v9 B% I' B1 C2 L28-304 Number and Location of Overload Devices (Appendix B) Table 25
3 e( z& |" r6 w7 x1 |# U- L: w, G28-306 Rating or Trip Selection of Overload Devices (Appendix B)1 P' p7 U$ \2 R k
28-308 Overload Protection Not Required5 D! w, h* J9 B3 ]! }: ?$ [# ?
Undervoltage Protection $ k$ o% c G7 P4 w; `
28-400 Undervoltage Protection Required for Motors (Appendix B)
1 q0 m% r2 c$ K- t4 K& MControl
, h$ l$ o, a0 }$ W7 H! D3 R28-500 Control Required
6 `0 }" N# m" m" v4 \28-502 Control Location+ H5 `, V% A x0 {9 E
28-504 Starters Having Different Starting and Running Position
1 \1 S+ f$ R, R b9 Y28-506 Grounded Control Circuit" P% w" P7 C2 S
Disconnecting Means
. L6 O4 N8 j8 t+ C/ U. K: @28-600 Disconnecting Means Required
$ j( c9 p ^! }1 y1 D28-602 Types and Ratings of disconnecting Means (Appendix B)
) H0 |1 D9 i5 i2 _; A: W O2 h9 b) V28-604 Location of Disconnecting Means
! }2 u$ H- [4 y x- I Hermetic Refrigerant Motor-Compressors
3 |9 I1 _# ]1 Z9 }28-706 Conductor Ampacity {8 f, W# P5 O& E( g
28-708 Overcurrent Protection/ }' M" }8 v" E! ^# v% Z' Z* a- h
28-714 Disconnecting Means; k" A1 _1 A( p0 B/ W0 L
Protection and Control of Generators
( m: d3 h# n( f1 c# |1 A% Y28-900 Disconnecting Means Required for Generators
" l; d* Z" ~! u2 X) R7 c28-902 Protection of Constant-Voltage Generators/ B5 R( Q: `- c
28-904 Generator Not Driven by Electricity
8 v9 d7 g* }7 N3 h& R( z28-906 Balancer sets5 ]" P5 `, Q r7 c& m
28-908 Three-Wire Direct-Current Generators# j. |! w D( C; f5 k' ]. f
9 x% ] E6 {6 p$ z5 H" H( f2 ISection 30 Installation of Lighting Equipment6 m# M9 D3 Z- Y
30-002 Special Terminology (Appendix B)
5 y! \. S% X8 A0 IGeneral
: b C8 ^' f- L7 ~30-102 Voltage; O2 [1 k% y. E4 d# U& n/ ^ ]
30-104 Protection (Appendix B)9 w4 s& U' D2 l
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment6 O! Z, ~5 G' \
30-108 Polarization of Luminaires3 x. u; D4 n& t/ X
30-110 Bonding of Lighting Equipment1 e7 ]2 X9 A2 h) P$ m9 h- M
Location of Lighting Equipment! T# Y% K) A% @- W! ?) c [7 v; \
30-200 Near or Over Combustible Material
. h+ R' \) n) s30-202 In Show Windows' B. A+ Z7 b% b2 a& H
30-204 In Clothes Closets
- |- B2 ~9 C+ o! v( k' oInstallation of Lighting Equipment
1 i4 |; ?/ v, c% b30-302 Support
1 z9 z9 q) \" c. S+ A& i: n9 A7 v30-304 Outlet Boxes to be Covered
' k* m# n8 l4 I( F# U30-308 Circuit Connections$ N- E* P) o8 m
30-310 Luminaire as a Raceway f# t& i9 r# ]+ V& f5 e
30-314 Minimum Height of Low Luminaires! c' c: h* a& B
30-316 Luminaires Exposed to Flying Objects
* b5 q0 r# E f9 E. e% g/ P6 b( m30-320 Luminaires in Damp or Wet Locations7 w0 b" x6 u# v
N 30-318, P X3 o4 W5 Z! G1 q# Z( N2 U& s( ]% P+ e
Wiring of Lighting Equipment: b% Z" R# v: m& e
30-400 Wiring of Luminaires
1 m) d/ J" b$ P/ @5 ?5 v5 l) b30-402 Colour Coding
: S( H4 B! o2 Z30-404 Conductor Insulation
* m3 }5 O' Z( Q, K. U30-406 Conductors on Movable Parts
: ~$ J; f" c; \, \; n30-408 Wiring of Ceiling Outlet Boxes
2 \5 t. c6 X- z! }0 A F* F, s( [30-410 Wiring of Show Window Luminaires& x5 I( ?2 v% {( K5 O
30-412 Tap Connection Conductors" Q( C7 g' E) } l4 U
Luminaires in buildings of Residential Occupancy: v/ _$ P# h' Z. ~+ }- b( ]5 u% j
30-500 Lighting Equipment at Entrances (Appendix G)
* e' \6 R7 e8 ?2 y8 S6 i7 e4 i) ^30-502 Luminaires in Dwelling Units (Appendix G), @* K. _- C C9 T
30-504 Stairways (Appendix G)
0 Y" K7 e/ L: t; I$ J7 e! s- y30-506 Basements (Appendix G)
. M$ X. v/ j* G30-508 Storage Rooms (Appendix G)
# X x) J0 l9 ?" }0 _ q0 Q1 w30-510 Garages and Carports (Appendix G)1 C R% D9 c5 o. o* f) G7 L7 n& U' O
Lampholders
8 ]5 z/ v7 n3 Y2 P" K% h) |' h2 d30-600 Lampholder rating with Incandescent Lamps5 h; v: t9 V3 H. M. ?& X
N CANCEL$ w, \8 z4 r0 I Q- n* F/ [: n
30-602 Connections to Lampholders' z3 F+ b. R! j; P; a
N 30-600
5 @/ N3 m4 d) C# T5 q) q- i30-604 Switched Lampholders Used on Unidentified Circuits
7 Z( c, G2 U! h7 u6 R1 |N 30-602
+ @ K y, t/ R6 s+ s# }30-606 Switched Lampholders with Pull-Type Mechanisms4 ?, X. M0 f% ~' ~- X3 v5 Z! [; X
N 30-604
& s+ q% q7 d0 Z) X0 [1 P30-610 Pendant Lampholders
( X3 j- {8 U! b9 vN 30-608+ @8 [* z: A' `9 q. Z1 X. p! D
Electric-Discharge Lighting Systems Operating at 1000V or Less% {# l; U. ?* [( r6 z
30-710 Control (Appendix B). e" ?; S, j1 N) @, ^4 z
30-712 Branch Circuit Capacity
- N# l% O. Q, f$ T, |( h+ n" J0 @' L( s7 ?Electric-Discharge Lighting Systems Operating at More Than 1000V
9 U! x2 f4 {# ^: J, t" _3 R30-802 Voltages, Dwelling Units- R( d8 {6 U l* C1 B( \9 L
30-804 control (Appendix B)6 }' v+ u: ~, v
Recessed Luminaires (Appendix G)
3 K6 ?4 F/ _1 S! Z" X30-902 Spacings for Non-IC Type Luminaires
, P+ @8 ~( F: N& u30-910 Wiring of Recessed Luminaires (Appendix B)
8 {' M% V8 ], x3 Z' uExposed Wiring for Permanent Outdoor Lighting
" o6 K# Z! ^3 ]* }! j30-1120 Branch Circuit Loading and Protection
) Z" `2 ]5 n9 V- T; \( l. `3 BExtra-Low-Voltage Lighting Systems9 _) r% A, z i! l
30-1202 Sources of Supply$ H9 m6 n$ x2 w0 I3 d
, J0 I; L# m% c/ b
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
9 `* W$ H5 T, s9 AFire Alarm Systems
0 B4 X; h. O8 y+ `32-100 Conductors8 i4 _& D' X8 X
32-102 Wiring Method1 Q! d* r* t& N4 \. b8 }8 v) h
32-104 Equipment Bonding% R4 I9 j+ g9 F, w
32-106 Electrical Supervision% _1 U0 _+ {) r( {. {
32-108 Current Supply% U, T) L; J. M" S
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
! H* Q; d- s# N* j( D7 O' oFire Pumps
$ }. S; a7 a' m m+ G( r32-208 Overcurrent Protection (Appendix B)
2 W7 j7 L5 R3 e& A" QN 32-2065 L: z6 @( y7 e) m7 C& |
32-210 Overload and Overheating Protection (Appendix B)) f5 u& {0 Q3 e, e7 S
32-212 Ground Fault Circuit Interrupter (Appendix B)8 r' X- A8 J5 { N3 J4 W
$ B" C6 @8 G6 B( V' h8 |& L+ a" V a
Section 36 High-Voltage Installations7 d3 }+ [& O+ I
General
) E; V; ?. @) c( E& u& ]1 |6 q36-000 Scope (Appendix B)' @3 L4 S* l& o
36-006 Warning Notices
: N! e% v) e1 N x; sWiring Methods2 ?7 R# p9 `2 T$ y( I( \
36-102 Radii of Bends
9 w( B) H7 W- u) g2 W, @* H0 l36-104 Shielding of thermoset insulated conductors! L2 v |, z+ S* r
36-108 Spacing of Exposed Conductors (1) table 30, table 31
/ Q: Y5 b7 a4 v1 @6 g6 {- \36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34' V* E% c3 e' d! `" Y7 r5 L
Control and Protective Equipment
' [2 d4 ]# N5 o8 s. m36-214 Disconnecting Means
6 X& P6 m5 t5 A8 B* i7 G Grounding and Bonding
8 q* }# @2 d' _* C0 K+ F36-300 Material and minimum size of grounding conductor and ground grid conductor and connections9 ^9 i. J9 W" S7 ?1 Q' Z
36-302 Station Ground Electrode (Appendix B)
6 F5 @1 x a( ]5 N" r* W; n36-304 Station Ground Resistance (Appendix B)
9 n7 z, s- Z- n36-308 Connections to the Station Ground Electrode (Appendix B) P* R$ q" V4 k* H; d; @2 U
36-310 Gang-Operated Switch Handle Grounds
5 | [8 V! @- L3 b" g0 V& R& W36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations6 H6 B2 y1 c7 x3 O; C
; ^1 i3 d% E& X% b2 @) o; vSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
# V% A( \' v3 M38-002 Special Terminology (Appendix B); z9 [. x4 a/ ?
38-003 Voltage Limitations (Appendix B)7 z1 J4 ?1 C: V: q& j; w
38-004 Live Parts Enclosed
7 H W- z% ]: u; x& H38-005 Working Clearances
9 b/ v7 R* L A* F38-011 Insulation and Types of Conductors
5 _5 ?- g* X {4 y38-012 Minimum Size of Conductors
4 m+ x8 q; J% Q
% g1 t! D2 @4 ~Section 40 Electric Cranes and Hoists1 J8 j; a9 ?. e3 h V$ U& \
40-008 Disconnecting Means* d- y! J" K6 t% t3 ?
40-010 Main Contact Conductors! U. J; _! D9 `0 d& D n: u
/ {/ G% S/ ~. a0 r
Section 42 Electric Welders3 L5 w1 t) [ M
Transformer Arc Welders# j4 x- B! n+ V& d# y$ K+ l7 \
42-006 Supply Conductors9 C% x% G# H9 k; q$ F9 U
3 x7 ] H! Y7 V; XSection 44: Theatre Installations c+ d, ?0 C7 c( [ N
General
, n6 | a* r, n/ O7 X44-104 Number of Conductors in Raceways
- {* @: b3 N) H; S8 F) `44-106 Aisle Lights in Moving Picture Theatres
4 K2 y8 D$ }( B. t) w0 H8 M7 HFixed Stage Switchboards
5 M; ~8 o# }, p9 V/ ?44-210 Overcurrent Protection
/ A; A9 ` ]) [3 c/ NFixed Stage Equipment1 f) ^, Q8 _) G7 x
44-324 Receptacles in Gallery Pockets
+ M1 c6 I3 _: L, f" [( p3 r44-326 Receptacles and Plugs" S. v! `: \' U" b* a/ i5 ?- x
+ |( ~5 T& ?1 d. _4 l6 u/ ySection 46 Emergency Systems, Unit Equipment, and Exit Signs, F* n1 R) }$ q5 g+ f6 J! M
General* U _. g4 A4 W1 l8 l
46-102 Instructions
! b8 a0 q+ z" H* ~46-108 Method of Wiring (Appendices B and G)# c2 v2 _. m; ~- a9 N
Emergency Systems
, t1 \7 a& k2 a1 |9 {+ T# C46-202 Supply (Appendix G)+ B% h" Z) e, g! M8 F; b
46-204 Control
2 R2 {$ [3 J- S7 |; @+ @% R46-206 Overcurrent Protection
7 {* m4 n4 R* Y* }46-210 Remote Lamps
; j& O3 T& @2 [Unit Equipment" D1 y% l$ f) \8 [" D9 \4 j
46-304 Supply Connections
* y' E% n( `8 x9 k# S46-306 Remote Lamps (Appendix B)
7 V! p' W) C$ e( u9 M9 JExit Signs
. m/ `9 E# m5 [* H46-400 Exit Signs (Appendix B and G)
$ Z1 y: ? _8 p5 ~2 K9 u4 y# d3 O& X! L" T* U4 ]
Section 54 Community Antenna Distribution and Radio and Television Installations2 h2 N/ A6 q2 p Z
54-000 Scope; O9 d) O' g6 V$ `+ X/ O
54-004 Community Antenna Distribution (Appendix B)
- \' ]; ^. ?4 ~( o7 J' } l2 Z1 N1 BCommunity Antenna distribution
0 G$ ]) m. c# r$ U2 R+ e54-100 Conductors
+ A! Z5 i7 h6 c6 z+ d54-102 Voltage and Current Limitations (Appendix B)2 A# B5 L% v7 G9 W
Protection
. O5 V. a# R0 K8 D( N5 I! N54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B), v' n7 U, p1 q0 [1 l
Grounding: g/ A6 X: J W# n! s7 S
54-300 Grounding Conductor% f( i+ U4 ]& W1 C, O
Conductors Within Buildings" n: g9 d% A( F! x8 U- s2 M
54-400 Separation from Other Conductors
* d" Y6 j4 x% j/ @" [Equipment
- n3 r# x9 W; L" w54-500 Community Antenna Distribution Amplifiers and Other Power Sources3 Z8 r# W9 e5 X8 A9 Y3 m2 z
54-502 Exposed Equipment and Terminations/ p* A b( J: S* ^3 Q
b. N9 t% }" `" `9 S' F, q% ~Section 56 Optical Fiber Cables
) u, b# M+ \# a/ f* \General' Q( E) G0 ?' N6 \& {( S
56-100 Special Terminology
2 x0 K: T& F- n" q1 k. W56-102 Types
a+ p3 v" c0 w4 K. ~Installation Methods
, B/ ^: H) B: U' I* e. g( H56-200 Nonconductive Optical Fiber Cables (Appendix B)
% e" V' y8 V! l/ I# ^2 @56-202 Conductive Optical Fiber Cables (Appendix B)" \( @+ e+ t& K/ \7 R" _
56-204 Hybrid Cables% F6 m* Z" ]1 F! T% j+ U- C1 \
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
6 S3 Q& k8 `) k
. l2 G' T: D3 c, GSection 60 Electrical Communication Systems
4 W! T0 O- z6 K2 O4 NGeneral
0 T$ L- A! I1 ^/ S! P60-100 Special Terminology0 [/ W5 C4 m' g* l- w0 F4 ] q% W! G. i
Protection
1 Q; m# F, v4 S$ s# s- v0 q60-202 Primary Protector Requirements, q) D1 y$ A4 }; p: H0 g
Inside Conductors, g: d4 G2 [2 Q$ R' N
60-308 Separation from Other Conductors
) e4 X. f' w( t1 N" M, x, |Equipment
4 u" P! Z( Z) e& _$ D8 A60-404 Exposed Equipment and Terminations* o" t3 I. P/ }* A) i( r4 ]
Underground Circuits+ w) t- U8 h' B) e5 L6 I8 s" B
60-600 Direct Buried Systems1 b) Z- p( u4 N; ~
, n$ I5 |1 J1 m% l2 d* Y* v
Section 62 Fixed Electric Space and Surface Heating Systems
9 |! k4 g" O+ z9 F' I# SGeneral. R6 T2 d9 ~' [8 u5 i( C) g
62-102 Special Terminology
* x* c+ J7 t1 Y9 U( f62-108 Branch Circuits' O( F S! ]; T* I1 h' d
62-110 Installation of Fixtures! ^3 h0 b& B" L. z3 a% r
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
0 B$ Z1 f0 @7 p) I l; r62-116 Demand Factors for Service Conductors and Feeders (2)
; X( I* O, K# _) i2 n62-118 Temperature Control Devices
1 N# ^8 W, w8 g! H9 b62-122 Installation of Series Heating Cable Sets (4)(7)
( L* x& Y0 J- h, WElectric Space Heating Systems
3 [6 Y; s8 L% ~8 z) c1 R+ ~2 j62-202 Temperature Control
# n3 `8 k: A* m1 L/ l+ b' |9 C7 J62-206 Proximity of Other Wiring (Appendix B)# W! ^- u& I- E8 p
62-214 Installation of Heating Panels and Heating Panel Sets2 C5 e5 ?) ^# m }( S
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
0 B7 l" n% U4 F7 o7 }62-226 Installation of Under-Floor Covering Heating Panel Sets
# I/ ?* w) u( uElectric Surface Heating Systems* B, Y* }* i, F7 V- h* H6 g: B: \0 L
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
* q$ _; i: n- o# P5 _9 E0 R3 V
1 ~' ?; k' G4 k, D2 ]Section 68 Pools, Tubs, and Spas( f" C7 d0 E. v# I6 t, t+ ?- B# A
General+ s" a. }& ]" Q K. G
68-050 Special Terminology
4 |' n" a. r/ `# [( I' b68-056 Underground Wiring - Table 61. F7 g' [2 R& J! @$ @
68-058 Bonding to Ground (Appendix B)0 z+ Y& a4 B9 t1 Y" X# r
68-060 Junction and Deck Boxes (Appendix B)
D) N9 j" h& `& L! s' I1 y3 {+ H1 }68-064 Receptacles
8 r1 P2 J. u ^68-066 Luminaires and Lighting Equipment& e7 D# u/ c2 u
68-068 Ground Fault Circuit Interrupters (Appendix B)1 E/ v6 d: m& v5 q
8 o0 S) E- W7 R
Section 70 — Electrical requirements for factory-built relocatable structures and , V2 u8 e& L V2 u0 D7 p& S4 s* u# r: r
non-relocatable structures3 O' Q/ g9 E$ w7 o4 P6 b- W
70-130 Tests (see Appendix B)
. ?; S' F! O- Z& N
2 O! R7 \ \+ J( J. K; H! u6 XSection 76 Temporary Wiring (Appendix G)* h/ \3 B! |9 X) u0 B
76-004 Grounding
* t/ t( b& E; C- P) f8 B9 {" f76-008 Service Entrance Equipment
1 N& m7 X* _. ^2 ~& C) i5 XN 76-006) `1 ?8 s6 e8 G' j N6 A
76-014 Branch Circuits
/ R' {) n# Q7 l7 {; f ?2 KN 76-012 _3 ]* }+ I7 `# w8 P
$ l6 f x; {& s( `+ ?' Y9 Z. A
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
8 Y: \8 @9 X# W: [; l$ [Marinas and Yacht Clubs
* H' ?* A% H5 D78-052 Receptacles
' ]6 T! {% l* l B& {! h0 E: y7 V78-056 Feeders and Services
% D% h( E, |* y) IMarine Wharves, Structures, and Fishing Harbours
: l+ c( V8 ]0 |, G( u; t% U) J78-106 Grounding and Bonding
9 _: \; c6 p, `. x: V( I5 B. MTables7 c- @+ j. E Z/ x e+ s
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,654 ? g* `" h9 ]/ g5 ^" N% v
8 l* J5 q5 \' ODiagrams: 1, 2, 79 ~. s. V5 M% _/ {/ o
4 D8 Q6 g5 W& b; r B: gAppendix B
8 D! t! Q- S# H# a# L# QP352: Ground fault circuit interrupter- 6mA
. ^2 X! L6 t# HP354: 2-126 FT1, FT4
/ O; \8 u# [/ E" l4 L1 xP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)4 G. M0 z* c: J' U% D
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1); {# p, {' [8 M# k4 Y5 [ K3 B% D2 i
P370: 12-1012, 1118, 1214 Example:
6 Y* x8 E/ u+ d: b( \ R# IP371: 12-11087 K# M* J% H) i/ j P, P9 N! J
P381: 18-108(1)(b), 18-158(1)(b)
; m" r# f7 t& o" K% o+ Q; N `# xP386: 24-206
5 ?; \0 ~7 Y9 Y7 Z8 BP389: 26-256
f/ u& _9 P/ L" A, OP391-P393: Section 28, Example to determine Motor Conductors and Protection
' v$ ~+ T( M3 u% {: T
/ ~5 V+ e% j a( FAppendix D5 \% {5 l& P% F/ ~5 n* ~3 U! [* f
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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