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Canadian Electrical Code Review Guide
5 E0 G6 w8 ~; Z0 a- L$ ~( i4 S1 sFor the Exam of Electrician For Red Seal License0 a) x$ J- ?" K, D/ @/ }0 m
" @7 [) d5 n9 k/ n0 ] G
Lesson One7 m1 _4 M6 K6 x |6 G* @# a
Section 0 DEFINITIONS4 I, [* ~7 m9 a9 D! J
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:6 T$ [( @6 U0 v9 P, ]
Accessible as applied to wiring methods9 {6 _8 i" G, [! c
Alive or live
8 a/ C0 g- h$ Z, g+ I% V5 p: VAluminum-sheathed cable# u- _/ G9 f0 r6 z6 p# R; G
Ampacity$ o0 s' q! T: r s& @/ \, [! d
Authorized person
! G7 J# f% R4 k/ `1 M+ v( EAuxiliary gutter8 Q" d2 C4 \( v9 {
AWG
1 h/ v& D( p2 B0 J+ b6 v1 zBonding s8 `+ J& I0 y$ \; @) |% c: y
Cable tray
: i3 z0 l; I0 A3 \% _ G6 F, L: V+ X6 @Cellular floor& u0 w1 O0 G T7 _7 H
Branch circuit
. j$ p8 a% n& @& j* v3 R: N- h& MBus
# X* k2 E6 z) J. z; Z( ]7 ?, ~9 |Busway$ A2 L/ c$ F" a; k
Communication circuit4 V0 R4 {1 x% x' w; y. w# i% q
Extra-low-voltage power circuit
3 G8 S& i5 j! m- k( w; xLow-energy power circuit! a) c% F9 C$ e& A( y; n
Multi-wire branch circuit
5 U/ {3 A: |3 V+ U7 b# Q! ?Remote control circuit- ~. W" v, `7 [: @; s! O
Signal circuit |# m/ `1 m' Y) Y8 |3 k
Circuit breaker
& |, C, B& x; E' d& wInstantaneous-trip circuit breaker) t( B$ r/ a$ m' V* w7 F8 A
Conductor
) S4 {! `( y" f* w8 n, T8 F% fConduit! K; i! W! c0 w$ Y
Flexible metal conduit `4 M" m5 H: U' i! |& Y
Liquid-tight flexible conduit* D' O/ k1 k8 T# X
Rigid conduit! o2 z" p% b: X
Rigid metal conduit
8 I+ x: \4 R1 l0 p% }& v7 A' e6 j( f Rigid nonmetallic conduit- p. G# j& _# G3 y! D% `0 W
Rigid PVC conduit0 z# `* R" B7 f. T( g& p# j
Connector
3 ?. H) A+ J9 z" X! O, ? Box connector
1 r2 H3 | Y3 d3 H0 F; i Wire connector; n$ G# p% Q1 S6 H
Controller
. U/ I/ E- D) }Disconnecting means
% q% _) ^8 d0 L w7 V0 gDust-tight
0 { [0 m. |! Z& v% ~$ cDwelling unit' c' m0 t; a9 i: w! A4 X7 ? l0 S; y: {, I) q
Electrical contractor ]$ P& T3 E6 {! r$ F
Electrical metallic tubing: G1 M' n: q( z
Electrical nonmetallic tubing
% i0 M+ h5 u, t+ ^8 I/ p0 f6 ?% JEmergency lighting
5 y, S, T* }8 V/ Y0 b, P# ^% sExplosion-proof% `% Z* ` U* D6 e
Extra-low-voltage power circuit8 O( n9 x6 G8 o
Feeder+ O6 p9 I+ Y) N4 }7 O- `$ `1 x
Flexible metal conduit
/ M9 J V2 x& G3 T" v% C! SGround
# b5 q9 Z& G D* GGround fault circuit interrupter
: W- v; A% A6 C0 i& g [- bGrounded
7 N* p) }% q( G& J& d6 w& AGrounding( o( Q3 Q$ M' p
Grounding conductor: G! O1 \2 e( q2 D! ]
Grounding electrode
5 T n4 ]$ _; r; wGuarded8 m: ]" S) |- V9 E) c
Hoistway# X+ x: k6 ?" i: T
Identified
% Y% @7 z6 A+ NLampholder
$ k5 ~6 ^! \3 H: J) x. T& `# Y) uLow-voltage protection
9 E& B8 Y; p$ [' [Low-voltage release
3 g e+ U2 y$ j/ C4 i/ \Neutral
$ C/ h7 p0 o6 ^6 [6 m: v4 hNoncombustible construction
3 g. V9 o6 O1 `6 s1 f, a6 nOutlet9 m% F3 \' F0 Y2 G& F9 Q2 q$ |
Outline lighting
( o2 S2 R( {& r4 h2 M8 VOver current device0 s" }( @* Q' \/ `0 G6 n& ~
Overload device# J9 M* `4 Q- u/ M" \$ T8 _: ]
Panel board
) ? e3 Y- \; L7 TPanelboard, enclosed
# W% J3 S( ^5 T2 \3 LPermanently connected equipment* I m0 G. Q% X0 F& A0 t4 f. i
Permit9 X9 F/ `, Y% }
Plenum
- o3 T3 Y3 z f2 f& IPortable as applied to electrical equipment
% }" A' T& F$ g- h+ lPortable ground fault circuit interrupter5 t3 k- y% f$ K5 t) d' h7 z9 R
Power supply cord
, r% V+ }# }: V1 i4 l, N* yRaceway
* j$ O1 X; g/ B5 ~3 D& j3 I! K% NReceptacle
$ l1 `* s/ V3 b Duplex receptacle
7 _' G* A5 F. b Single receptacle3 @9 G7 F) U6 H
Split receptacle* h/ u+ y; Q% l+ T
Service, consumer‘s
- \6 Q: u& @& V4 n5 P0 ~* {Service, supply
/ j: U/ V* P& V, AService box
) q+ [: h/ N: l% G( hService room2 B7 u1 r* B7 M& P5 m5 Q) \
Single-dwelling
% x0 c! Y7 h+ M/ B! S, s* }& dSlow-burning as applied to conductor insulation5 C$ T* D# `1 d; | ]! W
Splitter
j! P X, U6 gStarter
/ F9 Q% i! x7 K' p' E/ I! TSwitch
& M, r$ \2 ~# d3 F/ K General-use switch
/ O6 Z# D( l# Q Indicating switch- C% B$ E$ S) ^# N. G6 g0 t
Isolating switch; j0 f, u- q. W% y3 \ f- l
Motor-circuit switch% y6 q! s I+ O
System/ Y, z# \ Y- v: D! ~. h
Communication system
X3 w. D r$ H+ f* L$ O Community antenna distribution system(CATV)/ z2 E2 w! B6 s9 y% |9 M
Grounding system$ I" I) p5 |* c
Underfloor raceway. @8 D, H; `- p; k- C7 }
Voltage:
) x+ M7 U7 `- ~! }" j" G, W# V Extra-low voltage b0 I% U! B9 A
High voltage* d1 A9 \) }0 r4 p. e) @
Low voltage& H" r& L! r0 o B; a
Voltage of a circuit
4 F& z8 d; J( M, L9 E$ _Voltage-to-ground/ b2 U/ n* i$ w) c+ n
Wireway
, o' q1 c2 X& Z6 n
9 e" l( h1 L1 d5 O5 @Section 2 GENERAL RULES! {4 G# _* P, Q$ i+ |# G
Administrative! u6 S- B* [# M7 z
2-018 Reconnection
9 s7 D! u- R9 P2-030 Deviation or Postponement
0 B, v$ W t4 L- x: ?8 DTechnical General
4 C1 O0 i9 c" S# e2-106 Circuit Voltage-to-Ground – Dwelling units2 O& j- v8 I; e9 G4 m2 I+ O7 y
2-114 Soldering Fluxes
4 S) n. l2 u- N$ k* o2-116 AWG Sizes of conductors
4 O' s9 \6 o7 W4 J8 V2-124 Fire spread (see Appendices B and G)
# y8 x, m5 C9 J% h3 ]2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G); ?# Z3 c+ u$ v4 D$ {+ _3 s
Protection of Persons and Property/ b6 ? S2 e9 P$ z5 m5 a3 v" @; v7 G" `
2-202 Guarding of Bare Live Parts
6 F1 K0 C9 p% k1 k! w. oMaintenance and Operation
/ E _; R2 Q4 z {9 G* ^' m2-304 Disconnection
6 I0 R0 c7 y: d6 P q7 h2-306 Maintenance of Live Equipment
% R8 C2 Y! q4 S2 \5 T* s% V7 ^N 2-306 Shock and flash protection (see Appendix B)
% Y- `3 Q0 b* x5 m/ M7 G" x+ r2-308 Working Space About Electrical Equipment: Table-56
- S! \: j5 h1 [" Z5 m. H2-310 Entrance to, and Exit from, Working Space
: p# G( J6 y8 }' @0 _9 s2-320 Drainage, B6 D: }1 O! [* K+ |1 U6 S
2-322 Electrical Equipment near combustible Gas Meters and other Devices
, L# G' t( x$ w. WEnclosures
, X5 M* ~; A6 e/ R7 E2 U8 Q2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
, U% N( ~! t4 T7 J# K2-404 Marking of Motors: DP, WP, TE+ U+ J' G" y; i- { [! K8 d
7 k1 h5 G( ~0 s! sSection 4 Conductors
5 I% l& B. ^" z* A% M* S4-000 Scope0 {# S p4 P! {3 w
4-002 Size of Conductors: 14#, 12## X; b5 C' p3 k% I _
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36 q2 h8 T( h$ F
4-006 Insulated Conductors: Table 19
. G% b' ~, w4 b4 C! C+ |6 c4-010 Uses of Flexible Cord: Table 11
. K4 ~2 f) v7 L( X/ {0 }+ T; `4-012 Sizes of Flexible Cord% P3 J6 e L9 ] s0 w
4-014 Ampacity of Flexible Cords: Table 12
. @! i2 U) ?: S; A4-018 Equipment Wire
7 Q t5 p3 N1 ?" p' h! O+ ?3 C4-020 Insulation of Neutral Conductors
' Y! w' y7 D* b4-022 Size of Neutral conductor
5 _3 [. n+ Z+ q: w: \: S0 a+ P4-024 Common Neutral Conductor8 U1 R( E! z3 L! g" C8 N2 k
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
/ m1 J4 x: g1 i/ v" o, x4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum6 x( C3 m2 ?3 D: o% {
4-032 Identification of Type MI Neutral Conductors
% E; S, j4 N2 U/ S; h% G7 m$ D4-034 Use of Identified Conductors( Y1 l0 P8 @ C3 `
4-036 Colour of Conductors: Phase A, B, C, …
8 q2 }2 s4 ^! Z
% w) A0 p- w0 \Section 6 Services and Service Equipment1 v/ s% z. ~5 l. L: p2 F( T" ?* T Q
General! d7 X6 i; j. G( ]
6-102 Number of Supply Services Permitted% J8 S) ]4 G7 K# X
6-104 Number of Consumer’s Services Permitted in or on a Building
8 `/ t9 H2 i( b$ U3 }% v; z9 _% J6-108 Supply Service from an Electric Railway System3 h( Q: c; Z) @; @+ b
6-110 Three-wire Consumer’s Services
8 K& W" P, E4 {" p6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
, F; Z, D# B1 f, F8 e' p6-114 Methods of terminating conductors at consumer’s service
" p/ T3 K/ Q9 c% ^6-116 Consumer’s Service Head Location
$ g- o! Q- u, r; i5 fControl and Protective Equipment
* K$ \$ p" P( Z! x) r6-200 Service Equipment
, X5 \) W$ R: W/ |9 u e6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)6 e _/ `& R/ e( u
6-208 Consumer’s Service Conductors Location/ o( _1 ~9 ^4 }1 x
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches4 t7 C# K T E" U
6-212 Wiring Space in Enclosures
) k' {; _3 a9 k# t6 Z. ^8 g6-214 Marking of Service Boxes
! _ ]' I& u9 Q! SWiring Methods
" x- o3 Y' d% b" F5 Q3 N6-300 Underground Consumer’s Services: t% ^ i1 g5 v2 K3 m
6-302 Overhead Consumer’s Service Conductors5 E% z1 c' i$ g- ?0 p6 g: w0 }4 |" ^
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable- e0 u7 f2 L6 _0 p3 l
6-306 Consumer’s Service Raceways
: i) }6 C' b1 S6-308 Use of Bare Neutral in Consumer’s Service
. M2 C! u! B* K) d8 X9 r% U8 m0 t/ h* V6-310 Use of Joints in Consumer’s Service Neutral Conductors) G' @) s# x+ l: W% N
6-312 Condensation in Consumer’s Service Raceway
7 n* l, r, A' iMetering Equipment7 k- i5 g8 E4 _) O1 [) \& Q
6-400 Metering Equipment* {+ [1 @0 t- D, s
6-402 Method of Installing Meter Loops: {1 X/ J3 r7 P
6-404 Enclosures for Instrument Transformers
& Y0 ~ P& M" K/ H6-408 Location of Meters0 G7 G/ c; Q0 I) }6 E; s
) O6 k h- t2 u( N+ N; i# O& i
Section 8 Circuit Loading and Demand Factors# L) V: x; }' d4 H6 S* p( P7 m9 L9 g: ?: N
General
3 S" ~; v) R; h3 Z3 q) j8-100 Current Calculations
. v" M# P o# ~( S& f% }& L3 y8-102 Voltage Drop ( see Appendix D). I7 _5 T( N# Q. |/ |8 P
8-104 Maximum Circuit Loading
8 N# y; e8 u9 v! i# V- W8-108 Number of Branch Circuit Positions+ C/ n2 D2 S7 H2 a7 T
8-110 Determination of Areas7 W9 d( g8 n$ H" I4 }( _2 e
Services and Feeders+ v3 Y ^9 Q. d
8-200 Single Dwellings (see Appendix B)
( \. u+ x$ z, ~# m1 q$ r2 k8-202 Apartment and Similar Buildings" B8 q6 A/ x5 }
8-204 Schools
$ O% j$ O8 U% B, Z8-206 Hospitals; {3 N* U, m) H) o
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy% ^5 z( r1 }; m5 U
8-210 Other Types of Occupancy (Table 14)8 e6 r) Y: [0 k1 S' q1 \
8-212 Special Lighting Circuits6 G: A$ o- U" s- B
Branch Circuits
: N8 t6 s$ F. g' G3 L# M8-300 Branch Circuits Supplying Electric Ranges7 K! p9 `! s o! k" v, s; c% C
8-302 Connected Loads
9 q7 T8 u9 l* A) q6 n4 y7 @5 c* u/ a% k
Section 10 Grounding and Bonding; J4 Y7 P, S$ I# ?0 h' |) N
Scope and Object
* }; Q8 r+ `" @8 n' X$ I _10-002 Object6 Q. I% b: E$ Z+ |' |4 V: w4 C, ]
System and Circuit Grounding4 ~4 ^, w" ^9 U" i8 W+ w2 N1 u( V
10-102 Two-Wire Direct-Current Systems
5 `# b5 }2 `) \# { i$ ]9 T- q) j10-104 Three-Wire Direct-Current Systems( q4 K/ K( d4 k' D4 g: s+ ~9 l
10-106 Alternating-Current Systems0 N3 r, f, B* B. I# O8 f$ Q
10-110 Electric Crane Circuits
3 K) A3 y2 r% C2 k7 x) d% _10-114 Circuits of Less Than 50 V2 B f% {2 q+ F4 b
10-116 Instrument Transformer Circuits
6 i) \' o0 T* b1 rGrounding Connections for Systems and Circuits6 S* t5 r/ ?, z& Z
10-200 Current Over Grounding and Bonding Conductors, K V5 {3 v4 }4 W" k( O; u+ ^
10-204 Grounding Connections for Alternating-Current Systems
7 G. j% S7 V, {& F10-206 Grounding Connections for Isolated Systems3 ~) c9 o, ?4 s$ R, X
10-210 Conductor to be Grounded
- d' m* S8 M5 b" [8 I+ M& gConductor Enclosure Bonding
$ L5 ^) K# O; R10-302 Other Conductor Enclosures$ Q' W( d5 @9 G' K R
N 10-304" M" [9 ~9 J9 x' ~
Equipment Bonding
2 e5 i8 R1 M/ }1 V10-400 Fixed Equipment, General
' p$ t b. C7 t4 D10-402 Fixed Equipment, Specific (3), (4)- V* \. u9 V4 B. e: c" s
10-404 In Nonmetallic Wiring Systems7 u( e& G5 ^3 Z2 @7 F
10-406 Non-electrical Equipment
6 f3 [ J/ c m) `( `) q# I10-408 Portable Equipment (4)(b)5 b' x" y5 V2 M2 o: M5 g
10-410 Instrument Transformer Cases
+ K% [; `% b+ m10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less2 y! q0 j9 z. Z
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V/ W3 X% I1 ~+ F, ?/ X
Methods of Grounding
7 k1 o8 V9 n8 `10-500 Effective grounding (see Appendix B)
/ C# }1 L- F" b3 X! `( x10-502 Common grounding conductors
7 S& `: s4 b0 m$ L' B; B10-504 Common grounding electrodes
: y9 D- Q" v5 E( x( YBonding Methods
" o, |- D" C& G2 Q10-600 Clean Surfaces& V3 k* u. z9 m3 J- K
10-604 Bonding at Service Equipment0 \. L% I @/ W& K
10-606 Means of Assuring Continuity at Service Equipment
; m: D4 S+ K Y' x8 j4 G10-610 Bonding at Other Than Service Equipment
$ d7 F$ G' r& V8 K/ g2 N, d# K; k10-612 Loosely Jointed Metal Raceways
' B4 ?( B; a/ C. B5 l( r+ a3 ]! k10-614 Bonding Jumpers Table 412 T1 }( P) c0 R+ A9 g, h: R
Grounding Electrodes
8 n4 `1 Q+ _0 R8 N" T/ f& o10-700 Grounding Electrodes
/ U8 I5 O; f9 l1 W9 ]# B10-702 Artificial Grounding Electrodes
: X7 G! l; w) D2 a0 gN 10-700 & 10-702/ y* w. B7 t# @. ]' l9 ^, {
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)) \. I4 p( E0 r3 w' G/ i8 J/ Q9 L
N 10-702
$ o4 Z2 [6 @2 a: m' l2 w$ \10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
( ]" t. z& q! T3 u0 R: KN 10-702
% H, {8 s5 m4 X+ l5 p1 q" h10-710 Use of Lightning Rods (Appendices B and G)
, ?0 K+ |3 t D. [N 10-706
/ F; X! u( j# @! i3 [Grounding and Bonding Conductors7 E+ e- T- M! S* a! }7 i
10-800 Continuity of Grounding and Bonding Conductors4 e* W# U! w- J
10-802 Material for System Grounding Conductors7 A9 Z4 ^3 w4 c
10-804 Material for Bonding Conductors
, S! m- w% _( _2 C10-806 Installation of System Grounding Conductors
, `5 \! i0 n4 q10-808 Installation of Equipment Bonding Conductors
" g/ e+ h) y) s8 O10-810 Grounding Conductor Size for DC Circuits
% X! K7 x( j$ t10-812 Grounding Conductor Size for AC Systems (see Appendix B), D- B& e# ?0 ]# P$ z6 g
10-814 Bonding Conductor Size (Appendix B)
- {& ^0 x8 X. D10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment- ?* B2 t) d* o% @* m& _
10-818 Bonding Conductor for Outline Lighting B9 {: I4 u3 x/ t- j9 M
10-820 Bonding Conductor Size for Instrument Transformers# u$ i3 i) r3 F- _% T9 W/ c
Grounding and Bonding Conductor Connections# k; R# j; ~/ e: z4 Q9 Y; l
10-902 Grounding Conduct Connection to Water Pipe Electrodes$ G4 b; n. g: U! M! n d& T/ h: T
10-906 Bonding conductor connection to circuits and equipment
) M/ B5 x0 k7 s% W* T9 }10-908 Grounding Conductor Connection to Electrodes1 b' p5 Q1 n" A# p
Lightning Arresters
: f$ ]7 l9 P/ H( j; R& L10-1000 Lightning Arresters on Secondary Services – 750V or Less
8 h% U, j, U7 `& q' O, f
: a1 f! y- O P, o4 m# C' {% n4 sSection 12 – Wiring Methods
) K0 f Y- Q4 e/ h8 m+ WScope
: l# Z& I) f, Z12-000 Scope (Appendix B)
' }5 [8 k/ `) B+ e1 G VGeneral Requirement+ B7 K9 t5 c) E) @* V
12-010 Wiring in Ducts and Plenum Chambers* g0 n R/ t4 g; V4 B
12-012 Underground Installations (Appendix B)
* w4 X) U: V$ h% X6 |8 g12-016 Lightning Rod Conductors+ W5 F) J% S) s" Q" G) T P& C
Conductors - General
# x! |$ P5 W6 H1 {12-100 Types of Conductors (Appendix B) Table 19$ F3 V2 P6 n% [1 p, o) ~7 J. K8 b U, T
12-102 Thermoplastic-Insulated Conductors
; Y$ `7 p+ S+ Y \0 s7 ^12-104 Flame Tested Coverings
. ]1 @: O" ~ q4 h12-106 Multi- and Single- Conductor Cables
! m9 D$ P! a" c/ y3 ?8 L1 H12-108 Conductors in Parallel (Appendix B)
4 l6 P+ ]7 }& ?" ]12-112 Conductor Joints and Splices9 O0 | O5 w2 o
12-114 Ends of insulated conductors3 q k) F8 v* O# T3 @& ]
12-116 Termination of Conductors (Appendix B)
5 {$ @6 V y' j12-118 Termination and Splicing of Aluminum Conductors
4 ?! u2 W3 t2 e' U$ H12-120 Supporting of Conductors - Table 21( r# W. o/ a! V3 @: v+ k* }
Open Wiring
- b7 ]+ A- |- Y$ N( u( {8 F }12-204 Spacing of Conductors
( i/ G& h4 N5 Y$ H- x4 r5 ~1 A2 b12-206 Conductor Supports. V- A9 `% J0 O8 z* ]
12-208 Conductors on Flat Surfaces6 I+ ^% O3 j& N6 b& h( l/ G& Y3 |
12-212 Protection from Mechanical Injury% R) t' j5 L( F! r4 N \9 F+ x
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
# B; f% \9 q, H4 S12-308 Minimum Size of Overhead Conductors
& S; U* ~" C8 o12-318 Use of Neutral Supported Cables$ N/ J, n% v% G! F C3 i& l; z3 h8 ^
Nonmetallic Sheathed Cable
' E6 F W( p: B" S) P* J( {12-502 Maximum Voltage
! l( v) U* P# A# C4 y12-510 Running of cable between Boxes and Fittings (Appendix G)2 u! U6 j9 X0 s# A5 ^
12-514 Protection on joists and rafters* v4 K1 S2 l4 a) N: L
12-516 Protection for Cable in Concealed Installations (Appendix G)
; k G/ q6 I% H8 k5 q& @+ k6 z12-522 Where Outlet Boxes Are Not Required
. F8 ~9 t8 u, Y* QArmoured Cable
/ L+ m* f# i# m12-602 Use (Appendix B)) w/ O& ]4 _* z. P
12-604 Protection for Armoured Cables in Lanes5 h6 P. h1 ]# M. g+ A I, a) [5 ^4 r4 A
12-606 Use of Thermoplastic Covered Armoured Cable3 E7 M; ]- A. u1 ^& j( `' s6 l- X$ M
12-608 Continuity of Armoured Cable
! w; S5 z) B! U% b0 E$ b: G* R12-610 Terminating Armoured Cable
- m- b3 F- A9 N: W7 ~, y12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems. L2 N) [: v/ @* D6 j" L2 N
12-614 Radii of Bends in Armoured Cables! s2 r" U4 c, x9 H0 I
12-616 Concealed Armoured Cable Installation
}& K- f+ _ M8 Y& e/ a% t4 @12-618 Running of Cable between Boxes, Etc
$ f$ c$ X" F- k! }: qMineral-Insulated and Aluminum-Sheathed Cable
8 U, J* i ~1 Z: F6 h) J12-702 Use! t* C; X. @3 v, a. o5 N& A
12-704 Use When Embedded
' D, [, Z3 }" Q12-706 Method of Supporting0 W5 A9 K8 D8 @$ K0 o `( U
12-708 Direct Earth Burial6 ~; o% L8 Z- @+ i
12-710 Mechanical Protection) s) e k' x5 e4 O: n
12-712 Radii of Bends
9 S" l1 ?7 a" n: |* _( w# Z- v- B12-714 Termination of Mineral-Insulated Cable (Appendix B)
' O$ a( J% }( u. l m7 T9 Z- F5 g' d12-716 Connection to Other Forms of Wiring; N, e$ J) }: I
Flat Conductor Cable Type FCC1 y1 D" s% o- N4 R6 d
12-804 Use Permitted
: d+ m( w9 d' E& C! b4 I' k7 F12-806 Use Prohibited
0 U) Q* {& x z' G6 k12-818 Anchoring
4 m) {8 c- _1 `8 Y: J) x12-820 Crossings* i# d+ i' @/ n5 |8 ~
Raceways - General; h- q) P0 J0 p- K( D
12-904 Conductors in Raceways/ R7 R* a( n- w- x* L1 b3 s
12-906 Protection of Conductors at Ends of Raceways* W5 E* B* H* s& t# c8 [: U4 w( k
12-908 Inserting Conductors in Raceways
* V1 U* L- D- q8 h! L, E12-910 Joints or Splices Within Raceways/ y, w$ \4 t9 V- K5 F( Z
12-912 Stranding of Conductors* h5 Y, a4 i4 ~; ~5 q" g2 w' T d
12-914 Electrical Continuity of Raceways9 \+ P/ f4 T) w9 R. f+ f; `- X) n
12-922 Radii of Bends in Raceways& T+ A! T! S1 h1 C; B
N 12-922 Radii of Bends in Raceways Table 7' N/ M) g6 ~- E w
12-932 Protection for Raceways in Lanes
" ], P. N+ V3 C- n# a12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
# s# X& G" r4 B12-938 Capping of Unused Raceways
5 A7 B. G- z6 x12-940 Maximum Number of Bends in Raceways0 m; T1 u/ ?, p! a
Rigid and Flexible Metal Conduit
6 {6 s1 D3 M, Z2 ^% H12-1002 Use
3 g5 c# N/ ] n9 C% ]12-1004 Minimum Size of Conduits
9 M5 s9 O8 f* z- _0 t q5 E3 u12-1006 Conduit Threads (Appendix B)0 D: k5 q+ a G! d/ m
12-1008 Thread Engagement
. F8 t5 o+ q4 R7 c9 {12-1010 Maximum Spacing of Conduit Supports% @0 \7 J/ A* L
12-1012 Expansion and Contraction of Conduits (Appendix B)
7 P$ \+ y. S" M: L12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 8 a& T% v- ]) i- T' }( u
Rigid PVC Conduit and Rigid HFT Conduit
$ q5 f( w9 K) a% j6 Y* P12-1100 Use
: s3 \/ s* x1 ~) f, Z! O8 T12-1102 Restrictions on Use1 a( Z8 Z1 z5 l2 u0 J
12-1104 Temperature Limitations (Appendix B)8 }9 `2 Q! P, ]) _5 ]3 g" M
12-1108 Field Bends (Appendix B), (2)
" s$ z' R5 ], @1 N1 C O12-1110 Support of Luminaires& Q" L3 L& f, R
12-1112 Fittings
8 J( Z( t) Q8 x0 `12-1114 Maximum Spacing of Conduit Supports5 Q+ N0 {3 l( `( P
12-1116 Support of Equipment+ Y3 A h4 [" k$ }& @
12-1118 Expansion Joints (Appendix B example)
, b6 i. x$ C' ]" m( t* u4 H8 f WRigid RTRC Conduit: I+ X# k$ @: ?- Z. O5 b+ U
12-1210 Temperature Limitations
. s+ x' T0 t7 D6 @+ r h12-1214 Expansion Joints (Appendix B)5 ^* ?4 N7 |" c% b) H8 @" S
Liquid-Tight Flexible Conduit
" e2 X, Z/ {- b# f d& C- \/ P12-1302 Use of Liquid-Tight Flexible Conduit
+ E i# Y5 b# L6 |12-1304 Maximum Number of Conductors4 H& G: Q' H: q U0 H4 A
12-1306 Provisions for Bonding
2 e5 u' B1 v6 E7 TElectrical Metallic Tubing
" C, d0 h' u0 w i! P' x o12-1402 Use
5 M3 i- e4 _3 K; A9 A12-1404 Supports, Y0 d* }' t% Y- q% F' m1 A' p
12-1406 Minimum Tubing Size
U; l5 t; L3 b* U! Q9 \/ h12-1408 Maximum Number of Conductors( g: J* r- x$ F* D) S" V
12-1410 Connections and Couplings- o* [1 }+ s6 H
12-1412 Radii of Bends in Tubing
% l2 U" {9 S# y" A1 ZN Table 72 X1 c1 v( ]* b2 X; R
Electrical Nonmetallic Tubing" p) ?+ A3 g. _6 c; U5 q$ H
12-1516 Provision for Bonding Continuity
& f) M. l3 x; v4 ~' HN 12-1514
6 F$ C' W( C; |1 g8 i6 T* qSurface Raceways
M! Y) C6 h! o! I7 K12-1602 Use of Surface Raceway (Appendix B)- Y' U: _) S, a+ u8 E2 r. ]
12-1604 Temperature Limitations
) G# F5 K& j. f# m5 g12-1606 Conductors in Surface Raceways (Appendix B)
W, ` u3 H% k8 F& a12-1608 Maximum Voltage0 i z/ f/ d+ p$ a# _0 `! n
12-1610 Joints and splices
0 y5 V/ w$ N3 z4 I gUnderfloor Raceways) g( T' `! ?0 W$ d: S R: u* ^
12-1712 Discontinued Outlets in Underfloor Raceways
# ^* a6 O, W4 @4 o/ v o/ \Cellular Floors! l/ o! W7 g% G- y. q7 M* B! |; h
12-1804 Maximum Conductor Size in Cellular Floor
$ p- e; B4 p" i3 ]/ N3 g9 Q12-1820 Cellular floor discontinued outlets2 _. n ?( s3 L2 l0 y1 A& M A
Auxiliary Gutters
$ F3 v+ g u0 O0 ^, o12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
! _. n2 \1 m# K$ g( e12-1902 Auxiliary Gutter Supports7 r! V, u2 W; n7 D5 |# e
12-1904 Auxiliary Gutter Cross-Sectional Area1 [( Q1 t$ k1 W4 B$ o
Busways and Splitters
% c# H N8 J& n/ o( r; \& s) i' E12-2004 AC Circuits in Busways and Splitters
7 N* j5 j4 U, u" W" N12-2006 Busway and Splitter Supports
9 e6 k, A" O m/ p. O12-2008 Method of Installation of Busways6 U/ U1 ? ?0 m$ r
12-2012 Reduction in Size of Busways
6 R9 Y9 m& S* E$ n" y/ O% l! M$ _/ ]9 G12-2014 Length of Busways Used as Branch Circuits- _) T. M4 W; s2 O9 ~
12-2018 Taps in Splitters
; L% m) g" s9 I6 }Wireways3 s) ?. j2 X& S) g" j; M; v N
12-2104 Conductors in Wireways: F, y. p- f" i M% O" ~
12-2106 Taps and Splices in Wireways
! ]( L+ }6 B8 b0 u" f2 @/ | Cable Trays
1 Z2 q& N/ n/ J' Y- u9 `# T12-2200 Method of Installation (Appendix B)0 g! z0 B7 Y3 \) X& G
12-2204 Joints and Splices Within Cable Trays
" C3 t* i' ]" W12-2208 Provisions for Bonding
- w' K3 C4 m. \" m12-2210 Ampacities of Conductors in Cable Trays% s6 B% I7 g3 V$ z" U1 ^
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
# W6 b# h" Z( T6 ]1 \12-3000 Maximum Number of Outlets Per Circuit1 }# N1 K) R! }& V9 c
N 8-304
. U V/ Y" Y" t1 R% w12-3002 Outlet Boxes (Appendix B)* f: [% U$ B6 }4 F! _( v( V2 k
N 12-3000
7 z ~7 F- \1 q7 e5 D$ C% m% _; R2 {12-3004 Outlet Box Covers/ u: q- |+ v% `: y; S
N 12-3002
5 ]* R6 a6 |3 A; X8 ~12-3010 Boxes in Concrete Construction* M& W4 ^5 }; X. V
N 12-3008
+ d' h+ u4 W( J& |0 x12-3012 Outlet Box Supports
3 ]0 Y8 s8 ]0 c7 qN 12-30100 @' p& A$ f R9 u' Q
12-3016 Accessibility of Junction Boxes
- `# }/ H# N! E4 y; G, |, BN 12-30145 I+ U0 J% Y; D: w% Q" v1 v& R
12-3018 Flush Boxes, cabinets, and Fittings; I I3 B. D& @* _* e& n0 |
N 12-30160 d: y0 F; w; V
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 3 M0 m3 s0 ~, E8 z. X7 \# z
N 12-3022
$ A) c8 i$ _1 T2 [) ~5 W9 S12-3036 Maximum Number of conductors in a Box - Table 23
# _; ^0 m% o3 b1 W* [0 R0 EN 12-3034
2 }+ l9 a S, d12-3038 Pull Box or Junction box Sizes
( q7 x4 ?/ v2 ?* m# a& jN 12-3036
/ N# G6 X4 X+ Q% s7 ?, @! \) e* X+ ]8 |9 a2 S; {
Section 14 Protection and Control q& C. x2 m" d
General Requirement* |0 g+ ^; A0 V5 U; c' n, P8 R
14-010 Protective and Control Devices Required
* @$ |" V! ^* x$ j) e14-016 Connection of Devices7 Z: S# M- Q8 @: S- S+ z* E d, c# g0 _
Protective Devices – General
3 b1 A3 A$ x, C1 E 14-100 Overcurrent Devices Required' O' k1 z9 c+ I! U! M
14-102 Ground Fault Protection (Appendix B)
$ B% v! l3 O0 g+ j5 a: q14-104 Rating of Overcurrent Devices (Appendix B) Table 13
1 x$ d% t* ]& _- `) ~# l14-112 Overcurrent Devices in Parallel
% f* u o0 s: ?. h# f8 R& ]. ]Fuses! d+ ]6 n: H" M* H
14-200 Time-Delay and Low-Melting Point Fuses
& }: [' K" `/ @* w/ f/ e14-202 Use of Plug Fuses# r% L: Q c4 b6 {/ }
14-208 Rating of Fuses# z0 O% [$ m0 U; M3 ~# g& O8 }
14-212 Use of Fuses (Appendix B)
9 w: M! o3 j- n- u7 A+ L# z" dCircuit Breakers2 ?- W8 d. f# W" q8 E; s/ c- q
14-300 Circuit Breakers, General l! w* p+ @% d5 a
14-306 Tripping Elements for Circuit Breakers9 ]: W: Y; y. G
14-308 Battery Control Power for Circuit Breakers+ N4 m; J7 J+ z$ w4 \
Control Devices - General
" ]* [. r; u9 R/ [# L( _; o6 M" f14-402 Disconnecting Means Required for Fused Circuits T" A: p7 J, ?) L/ d# Y
Control Devices - Switches
# V1 U& p I/ f+ J. g8 u14-502 Mounting of knife Switches
* I2 V- U6 ^* ]. ^" K9 z14-504 Maximum Rating of Switches
; {2 C1 F K; H& W14-508 Rating of General-Use AC/DC Switches (Appendix B)9 K2 F' D# _0 o M. ~5 o {8 @
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
% E# |/ m/ ~4 {: b8 x8 E: B4 KSolid State Devices
& f0 T' s4 J* r7 r2 w* e3 n14-700 Restriction of Use
3 A) w( q& B/ y14-702 Disconnecting Means Required
; p4 Z0 m1 r8 d# l3 ~3 F! v2 d5 H0 e& x: b6 a- ]# F3 m! K
Section 16 Class 1 and Class 2 Circuits
2 x" Y' q% s q w& ^ G V% XGeneral
+ f/ {1 H% U( L16-004 Class 1 Extra-Low-Voltage Power Circuits
, T8 A2 L" y \0 |: H p16-006 Class 2 Low-Energy Power Circuits
, ]+ F: p) a) R, W+ G16-012 Circuits in Communication Cables
& F/ l4 |3 }8 T' U0 M8 r jClass 1 Circuits
+ i" ?+ f# f v$ l16-100 Limitation of Class 1 Circuits
5 b' {1 t% K7 ~/ h R& }" B0 b16-104 Overcurrent Protection of Class 1 Circuits
) z# J v: k! z, a0 M% H16-106 Location of Overcurrent Devices in Class 1 Circuits
, i: K5 l; k. I0 g; X( G16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers; M7 G. `/ p. C) q/ d; \
16-110 Conductor Material and Sizes
2 [# p+ S' r! Q4 j5 p$ V+ t4 I16-112 Insulated Conductors for Class 1 Wiring
( Y( D" o8 `1 W# uClass 2 Circuits
# D7 h4 j+ r7 n) I; N1 n# T/ u16-200 Limitations of Class 2 Circuits (Appendix B)
& R' U+ M J. H! Q v- ]$ x5 G" o16-204 Marking
: w; h! g* r( d1 i1 o( i* g5 {16-206 Overcurrent Protection for Class 2 Circuits
. t9 x8 N$ p' i, P/ k* E, a16-210 Conductors for Class 2 Circuit Wiring (Appendix B); f3 J; Y5 B: X( d$ c' }6 m
ELC: extra-low-voltage cable
9 |$ _4 `4 z/ z: R16-212 Separation of Class 2 Circuit Conductors from Other Circuits* O3 x; B' h/ ]1 [$ j" ?1 j
3 ~) x' S, f- Z! B
Section 18 Hazardous Locations& O$ G/ F% z# c" [& e
Scope and Introduction
; D1 u) g b; v! i+ V" G18-004 Classification
, ?* L$ X6 K& Q+ d- S0 f18-006 Division of Class I Locations (Appendices B and J)# B; u4 J" j! z
18-008 Division of Class II Locations (Appendix B)
$ J1 |; Z. X/ m18-010 Division of Class III Locations (Appendix B)* Z% G: T1 n; I5 U) i: G, f0 [
General5 e w( z8 ]* O/ O
18-062 Metal-Covered Cable (Appendix B)
' E, E5 `4 p. T& Z* o' oInstallations in Class 1, Zone 1 Location
9 s) ^2 ]( O0 X1 C! @. [18-108 Sealing, Class I, Zone I (Appendix B)
& O, F& G$ [% O3 V) q. p8 x7 ]
/ C2 ?8 Z7 L; mSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
e% P9 x/ I0 }% l, bGasoline Dispensing and Service Stations, \$ C4 Y# T* a' x! E3 J
20-002 General0 U$ z8 W* w0 `) ~
20-004 Hazardous Area (Appendix B)# t- m6 ]" k: y* X
Propane Dispensing, Container Filling, and Storage
; U1 |" x. K( _ ?! C7 l0 R20-034 Hazardous Areas - Table 63
/ X5 B. W) ]* Z6 Q! lCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
- ? W$ n; d7 Q' J9 U20-062 Hazardous Areas# \9 Y2 a% I/ I6 \. T: ]8 t
Commercial Garages – Repairs and Storage# q' |. w# \; m# s6 |( m. N
20-100 Scope1 Y( G4 T0 {& B7 o
20-102 Hazardous Areas (1) 9 `) P% F7 j% w
' Y) M4 V% m- OSection 24 Patient Care Areas/ @6 \$ z- p0 m$ H0 _
24-000 Scope (Appendix B)
0 j' \$ q+ W5 O24-002 Special Terminology (Appendix B)6 b& [/ @0 [! c% ?8 u- z m; {: b
Patient care area
$ \+ H* ]. f7 E3 p6 M1 }2 FPatient Care Areas
3 ~: |) G; A% d$ p; E9 j: F24-106 Receptacles in Basic Care Areas (Appendix B): V/ v+ ^: ^; b* ]$ U& M* J/ s6 c9 f
Isolated Systems
" W0 E w6 t" F24-204 Single-Phase Isolated Circuits (Appendix B)
" }; o. m/ m i4 K8 ~24-206
& A Y% r1 \* D; K2 ]* r+ L* s& e o( U. L) }- a2 G: {6 v) w
Section 26 Installation of Electrical Equipment1 j! r& s& z1 k% b
General0 k! Q& N- y! J% q% d6 N6 ]
26-004 Equipment Over Combustible Surfaces (Appendix B)7 v0 `, G# q$ f6 F% s
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)4 v4 u L9 J. W- L
Isolating Switches
5 C. v, B& O# B26-100 Location of Isolating Switches
9 K1 L7 _6 [! E. V: L' GCapacitors* b7 {, |0 y- ? _: t
26-204 Guarding of Capacitors
* u$ @- `* H/ O& D4 C' B26-206 Grounding of Capacitors6 Q% ^% z: \7 v f" v" B l
26-208 Conductor Size for Capacitors
5 ^9 e, ]' y; z1 [0 U26-210 Overcurrent Protection (Appendix B)
" e1 A) |" H8 K( x% `0 V26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits& k! f J" U! j4 y7 \& P
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits" j; a2 O& ?. W
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
5 ?" W% {2 I! i% @! g N5 k26-218 Special Provisions for Motor Circuit Capacitors
: h/ n6 L1 ]3 v( w3 }& @6 K26-222 Drainage of Stored Charge of Capacitors
0 y& w5 L0 f- gTransformers# ^9 @5 ?, R+ r- e$ Q3 }: I8 S. @3 N9 e
26-240 Transformers, General
9 [1 C; Y2 v- Q1 b5 y" t26-242 Outdoor Transformer Installations
2 l. m- m2 l+ T: C( ^+ ^" Z8 B7 g A26-244 Transformers, Mounted on Roofs (Appendix B)1 _3 H9 F$ o2 Z" {9 y' ]
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
1 q9 v. g0 u+ Q26-248 Dry-Core, Open-Ventilated Type Transformers4 v3 z9 p+ J; K7 H" s) x/ c
26-250 Disconnecting Means for Transformers) S1 }7 j/ a# R! r- u) ]
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V* J2 p' Z- b7 l0 l5 I+ X5 D# y
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
. t( _/ t: I$ q1 n U5 M26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
5 m2 p/ M7 _$ q( |26-258 Conductor Size for Transformers3 a" L' T; H- o+ n3 [" I
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)0 c7 o3 j9 b+ @! @
26-262 Marking of Transformers' Z2 |6 I5 x p9 F+ g* z* d' Z' x0 ~" o
26-264 Auto-Transformers5 \6 a* M% k3 F5 Q
Fences" J6 {$ N. y; s8 a
26-302 Clearance of Equipment - Table 33
' e/ F: Y1 L4 gPanelboards
% M" }" u0 L& d% K4 @26-400 Panelboards in Dwelling Units (Appendix B) V2 n5 v \% o( p+ \8 R1 D
26-402 Location of Panelboards (Appendix G)
0 C- }0 I$ \' r* N+ t/ M Q6 uLightning Arresters, Y. [# V5 n2 r+ q2 h' o4 R' D
26-508 Connection of Lightning Arresters
& Z5 A% Q& k$ q4 {5 MStorage Batteries7 B0 l7 X# u; B" u" \& y
26-542 Special Terminology# G. t( |: B; j' I
26-550 Battery Installation( C& u$ Q) {7 n% S# R2 l
26-552 Wiring to Batteries
' i+ M3 r2 b' j) v# x) ]2 ZArc Lamps
9 j; ?( I& K6 C5 T/ ] p26-600 Location of Arc Lamps# X( B, \/ D5 ?9 ^
26-602 Conductors to Arc Lamps/ ]( b6 t& d4 j: j+ _
26-608 Globes and Spark Arresters
0 Q8 n1 I: a: j2 TReceptacles
* q4 B/ L U7 R E+ V. Z26-700 General (Appendix B)
w. @! H/ c% X26-702 Receptacles Exposed to the Weather" H% B" B0 ]7 h* ^( q! ?+ Q1 k) f; m
Receptacles in Residential Occupancies: H# S! P' L- Z9 g1 d
26-710 General (Appendices B and G)6 ~: E. o/ t; ]2 B
26-712 Receptacles in Dwelling Units (Appendices B and G)
7 D, H; D2 V7 h5 X, V6 k' Y2 P26-714 Receptacles in Single Dwellings (Appendices B and G)
5 D8 r3 f7 q% |& K/ JBranch Circuits in Residential Occupancies
( D6 S; X1 j9 X6 C/ @26-720 General) _' _% B9 F- o# Z7 X& ~. B+ u
26-722 Branch Circuits in Dwelling Units# E6 A4 T2 [+ b9 p W
26-724 Branch Circuits in Single Dwellings+ v9 u0 p( M7 P* O. f" H9 @
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
! |/ Z) E G& U2 [% W. AN 26-720 (F)
- G# y+ k. Q' M$ QElectric Heating and Cooking Appliances% n3 n) ~1 |7 n+ c6 G
26-744 Supply connections for Appliances
9 k% H3 R X$ G! c: Q26-750 Installation of Storage-Tank Water Heaters
1 f$ n, a) J+ a0 e0 M6 h# y26-752 Infrared Drying Lamps
* R9 m" L8 ~4 c; o. C" d1 \( l8 Y! }, P; j$ R0 {$ K: p- k2 q5 {( R
Section 28 Motors and Generators
" b' o% K h$ I* |. m: P5 z/ ?General) s T. x5 a; P4 ]* Z$ [
28-010 Special Terminology
+ i! e2 Q6 K6 T0 o& I( }Hermetic refrigerant motor compressor4 O1 m! `, x, z+ S5 M0 g" @
Locked rotor current rating
+ G; m' U6 d6 Q9 m) JService Factor
* ]) ?6 F2 s: Z) [; Q* Z$ v( v* eTable 44; Table 45; Table-D2
H8 V S, d0 I0 h* p. S8 pWiring Methods and Conductors. `9 c0 H: C6 g
28-102 Portable Motors
4 I4 z' u, f- Z28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity% y7 g3 E7 @8 o6 }8 @: d
28-106 Conductors, Individual Motors
* N3 u q: t. J28-108 Conductors, Two or More Motors% g/ h/ ~0 V( b; l$ Q0 W8 y
28-110 Feeder Conductors3 c B1 d0 P# }% P! W
28-112 Secondary Conductors, y w% a. C0 Q
Overcurrent Protection
3 ?! e) k; q% Q/ M28-200 Branch Circuit Overcurrent Protection7 s6 |( z W% f- V
28-204 Feeder Overcurrent Protection0 c& S: R& }: i
28-206 Grouping of Motors on a Single Branch Circuit
/ X1 Q6 ~ b: P* X% Z28-210 Instantaneous-Trip Circuit Breakers (Appendix B)9 Z% X+ m A$ a3 W Q: T2 W
Overload and Overheating Protection+ R4 [8 Y# A6 I! w, w/ h& K
28-302 Types of Overload Protection% M9 ~4 [/ [$ C$ U
28-304 Number and Location of Overload Devices (Appendix B) Table 25 r0 _7 j l/ \1 M% C, n4 t
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
# J: {6 r2 [) \6 P* [1 C28-308 Overload Protection Not Required3 a! f* k4 u4 b' }' I6 m
Undervoltage Protection 4 f: {$ F& b6 l' o D- U Y
28-400 Undervoltage Protection Required for Motors (Appendix B)& G/ d* |- I8 _
Control, f# a2 @6 s, E- q2 l
28-500 Control Required
& r$ w8 j9 E1 M$ w28-502 Control Location- U6 }* d* p w0 f$ y
28-504 Starters Having Different Starting and Running Position$ h" O: b& R2 l. ]0 c
28-506 Grounded Control Circuit6 ^7 f) I5 z8 q7 J
Disconnecting Means- C8 ]& ~: J8 V* Q; a) G
28-600 Disconnecting Means Required
5 T4 ?$ ^/ N& w) |28-602 Types and Ratings of disconnecting Means (Appendix B)
9 w% s: n2 x6 U+ r8 b5 [8 z28-604 Location of Disconnecting Means
$ R$ z; h4 M& d! Z9 d Hermetic Refrigerant Motor-Compressors Y' H0 J" m- P. q) [
28-706 Conductor Ampacity
: y& Q. ^' c. T28-708 Overcurrent Protection5 s' |& t* I4 H# g5 Y
28-714 Disconnecting Means
1 ]) y& k6 U- K/ X5 IProtection and Control of Generators" h3 K e3 z5 i# E
28-900 Disconnecting Means Required for Generators9 A6 h# Z+ y5 ^- d/ _% O* \+ e
28-902 Protection of Constant-Voltage Generators
$ Q$ @, q" z! d; o28-904 Generator Not Driven by Electricity" E! D: n' k9 ^
28-906 Balancer sets A4 `2 Z! o6 C; V5 c+ \: A3 w) o
28-908 Three-Wire Direct-Current Generators
) F/ \& i4 T$ ~4 ^3 J, {6 B
# j" w! m8 H+ p, n1 J* a. y8 eSection 30 Installation of Lighting Equipment8 a' z e$ ?: ]& d7 m2 X, |, a$ b
30-002 Special Terminology (Appendix B)
& T! Y* n$ |: Y( [! K" D- y- T: LGeneral8 I+ A6 z- ~: b5 i) d8 ~& c! j8 Y
30-102 Voltage
( e- J7 Z/ m+ Z2 ^9 N+ S- k30-104 Protection (Appendix B). `/ Y0 ]; u/ B2 k. A4 D+ d
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
}' \" N! U6 u; F" f5 e. _* F$ H30-108 Polarization of Luminaires* Y! p9 p: u1 s
30-110 Bonding of Lighting Equipment6 Q& H# f, p$ r7 V% @' t
Location of Lighting Equipment* }, f: {& ]% Y
30-200 Near or Over Combustible Material( S+ ]4 X7 p: r: D; f
30-202 In Show Windows
6 X' q4 \, ?: } @$ a1 F7 |+ ~( q30-204 In Clothes Closets
. W( C7 K4 W. x5 \2 EInstallation of Lighting Equipment
3 b! o* c `% R30-302 Support% K: A# k& L7 j6 K( L4 T" T4 F+ W2 n
30-304 Outlet Boxes to be Covered9 F8 ` ?8 x. b. N
30-308 Circuit Connections
. m8 }# U1 U, k$ T30-310 Luminaire as a Raceway+ }+ |% | p+ T, `8 l( B% B- Y
30-314 Minimum Height of Low Luminaires
" q/ W, V7 d4 i6 B/ T. O! w% x30-316 Luminaires Exposed to Flying Objects4 ~7 O7 J6 E, p/ m8 `
30-320 Luminaires in Damp or Wet Locations
6 y( r1 v1 @5 \3 e5 qN 30-318, \8 \3 ]8 T0 |# P$ S$ c
Wiring of Lighting Equipment
0 g& ]. ^, G* t& C0 Z+ d5 I4 }30-400 Wiring of Luminaires. W. {2 N8 V1 \) L- l- x
30-402 Colour Coding
4 `" G0 j% B; @$ o' s2 M" N30-404 Conductor Insulation/ D2 ?) X: Y z4 {
30-406 Conductors on Movable Parts
6 A; i# T: W# Z) t30-408 Wiring of Ceiling Outlet Boxes6 S! j# N' ^+ j/ G7 ?
30-410 Wiring of Show Window Luminaires. J- r( h# c) o: m$ z8 d6 c
30-412 Tap Connection Conductors1 d) g. b! b9 c
Luminaires in buildings of Residential Occupancy
4 {* b+ |; N! v' G7 _6 d30-500 Lighting Equipment at Entrances (Appendix G)' `! J- B3 j/ p- H5 h, D. H0 ]
30-502 Luminaires in Dwelling Units (Appendix G)
1 R1 \" N+ l: [' i$ S9 C30-504 Stairways (Appendix G)
7 Z5 n: _& p- \# P# T- [* e; s30-506 Basements (Appendix G)
% d* i3 Q8 ^' K& c7 b30-508 Storage Rooms (Appendix G); I; S8 ?; j. ]
30-510 Garages and Carports (Appendix G)
, C6 U" }% ~2 z0 A: }7 @Lampholders
& ~+ m- a/ I$ { F% m2 `, y30-600 Lampholder rating with Incandescent Lamps/ @7 n/ b/ c! U4 X+ J6 G
N CANCEL( [( L, D9 W) k; n8 h9 F+ `, D, G
30-602 Connections to Lampholders7 v1 ^! _1 o' `# _" m
N 30-600+ C, N1 w( D: ^* C, B# w/ q5 g; c
30-604 Switched Lampholders Used on Unidentified Circuits
( A1 S/ O8 {! ^: B1 ]7 }' LN 30-602% s) X) u7 @/ V# d) ]1 n# L8 n! _3 W
30-606 Switched Lampholders with Pull-Type Mechanisms
: v, O2 G( y0 `2 M: Z; |4 I7 QN 30-604
: h3 M# j$ P8 @/ I2 H7 y% O30-610 Pendant Lampholders
' @2 S( m8 O7 I& u) f2 b, C! v3 dN 30-608# o& Q: A( R# _2 h0 Q1 i4 D: @
Electric-Discharge Lighting Systems Operating at 1000V or Less
7 z4 H* d6 ^/ ~4 W30-710 Control (Appendix B)/ b; V& B1 d5 a
30-712 Branch Circuit Capacity
* {* x# u( k- M) ZElectric-Discharge Lighting Systems Operating at More Than 1000V
+ |; \2 }/ Y3 f2 f30-802 Voltages, Dwelling Units
^* f, L' ?3 }7 l8 p# o2 _30-804 control (Appendix B)
8 Y; A3 ~/ |/ S, L% @Recessed Luminaires (Appendix G)
% ]# t" `" n6 l- k30-902 Spacings for Non-IC Type Luminaires9 J9 N2 J* }8 D* \
30-910 Wiring of Recessed Luminaires (Appendix B)
& J+ `1 y ?% z$ Q- g6 O" n) FExposed Wiring for Permanent Outdoor Lighting
6 l: r2 V, k H30-1120 Branch Circuit Loading and Protection
. v6 j* H) K' ]/ y% u# j- A' OExtra-Low-Voltage Lighting Systems8 J" _' J7 C& q/ F& s- R
30-1202 Sources of Supply
- `9 \2 n" I& S+ |0 E% X9 \! M+ s. F$ N( T
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)3 L) `) o1 ^7 F
Fire Alarm Systems
# t/ {* N5 N3 G; n) @32-100 Conductors
+ |9 Z6 s) m9 y. S, H32-102 Wiring Method) D( H- A! Q: q0 Q7 I' N$ @
32-104 Equipment Bonding3 ^4 j) W) z% n* F+ C
32-106 Electrical Supervision
7 [ w% R& W, @& ?32-108 Current Supply2 [3 f- }/ m& W9 x* \9 H# p$ x% n4 h
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)- _) L$ S4 o8 \5 a& n' B& \
Fire Pumps
$ v) U6 _+ O+ B9 ^+ m32-208 Overcurrent Protection (Appendix B)
/ {) X" w( S% P$ C5 \N 32-206% D% Y! b0 |; p9 o% f) q' Y
32-210 Overload and Overheating Protection (Appendix B)! i; e6 J# k( ^/ h) ^* f
32-212 Ground Fault Circuit Interrupter (Appendix B)+ E# d6 g9 q3 f, ?2 w) l
- I# P, k8 n' `2 S2 ? SSection 36 High-Voltage Installations- V: r# y8 {) A, |. `2 o
General
- w0 G6 a- c N. A0 ?3 `36-000 Scope (Appendix B)& R& M" F1 S2 L5 C4 f/ x
36-006 Warning Notices$ w- }; l L; I6 x7 E V$ u
Wiring Methods
/ p5 m+ _/ | A- y1 t: F" |36-102 Radii of Bends
/ ?; _8 c/ L7 e$ X36-104 Shielding of thermoset insulated conductors
$ T j f* v) |. P% g# D36-108 Spacing of Exposed Conductors (1) table 30, table 319 o8 c, M+ |1 d2 K) ~/ A
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34% {6 @ H" B2 l
Control and Protective Equipment I; t4 `* X9 G( D) @
36-214 Disconnecting Means" M3 J- r4 C' a* s: A0 T
Grounding and Bonding
* P% J3 f: _+ |; P" B36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
. Y2 H$ A' i# l7 V1 P36-302 Station Ground Electrode (Appendix B)
! L. p" C4 o" L1 x( H36-304 Station Ground Resistance (Appendix B)6 V1 m1 Z- c# ?9 [" W5 _
36-308 Connections to the Station Ground Electrode (Appendix B)
6 A9 H6 ]( a7 Y+ k1 c' ^36-310 Gang-Operated Switch Handle Grounds
; b7 f+ a% E- K9 ?36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations; B0 }8 v9 \5 M( b+ U9 o
9 d2 E4 x: K2 R' f" g# D
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
* Y. O7 \) ` e) |38-002 Special Terminology (Appendix B)5 F- C; ^7 {4 L! {. {4 V
38-003 Voltage Limitations (Appendix B)
4 S9 n9 s h8 v: C4 T0 m5 S38-004 Live Parts Enclosed
6 N e3 A( V2 I) y# H38-005 Working Clearances
% s' m( I0 q6 J3 W' v! P4 B38-011 Insulation and Types of Conductors$ `- Q5 q% p5 z0 T/ i
38-012 Minimum Size of Conductors. ]. E& ^7 D8 J7 s2 N) J
4 K- K! Q. Q( j7 r" }% K: k- q' o
Section 40 Electric Cranes and Hoists
( B4 N ]1 N m40-008 Disconnecting Means9 w) W; `* u) ~7 F1 m, T
40-010 Main Contact Conductors
; y% T1 E( j6 Q' A g3 v$ i, [ C4 r
Section 42 Electric Welders O+ H4 i( ]% {8 W; P6 z1 b
Transformer Arc Welders
9 ]9 S+ n1 p% n, {2 l42-006 Supply Conductors# x% q' b' K7 d2 n2 k; L
1 d$ g: @5 h" M6 w
Section 44: Theatre Installations
: B% x, R- D, e7 _1 {General
, d8 F( U7 J0 w5 ^44-104 Number of Conductors in Raceways
3 e% L+ H1 ?0 A44-106 Aisle Lights in Moving Picture Theatres4 O* B/ O2 Z+ |1 e+ n
Fixed Stage Switchboards
6 g9 q; T% ]( k' W0 G44-210 Overcurrent Protection
3 E$ w# S/ W6 ?( j6 f6 o7 RFixed Stage Equipment
/ a7 T6 ~: ?! l* x44-324 Receptacles in Gallery Pockets
7 q1 Y5 G% \6 M6 k% A2 i3 ^8 S44-326 Receptacles and Plugs% L+ {4 A/ D r$ |4 j+ S
5 S! t; V: z. O7 ESection 46 Emergency Systems, Unit Equipment, and Exit Signs
5 f* c. M# Q! U3 s4 eGeneral
. H- O& v" A3 ?, b+ D' D+ Y: _46-102 Instructions6 O) u& Q* n0 r$ G
46-108 Method of Wiring (Appendices B and G)
" O3 b2 \$ L# S3 ~4 q L) W# jEmergency Systems
1 S$ k6 C( E& o) n. E46-202 Supply (Appendix G)8 V2 o4 l8 \) R8 e, @: D/ o
46-204 Control
, I' D4 Z& x! I# [# f46-206 Overcurrent Protection$ v6 b# e) z+ C0 ]
46-210 Remote Lamps% R9 ]( L& ^% S2 f7 l
Unit Equipment
4 T$ b- r$ }: X4 n: Z46-304 Supply Connections
3 D1 G- S( I, V1 ]4 m+ J" F2 j46-306 Remote Lamps (Appendix B)' T) I% u7 I, v
Exit Signs; m: L, e$ K7 W
46-400 Exit Signs (Appendix B and G)
5 e3 n: t3 F# h1 Z' v) S) v" ~9 t7 X$ H! Q( l1 H; {1 w
Section 54 Community Antenna Distribution and Radio and Television Installations
$ Q& C$ E# @7 B) c3 j8 k54-000 Scope
5 h$ p& D6 ?4 {6 ]9 _% ]( N54-004 Community Antenna Distribution (Appendix B), f; n9 ~4 {3 q5 |; s
Community Antenna distribution9 w# M+ c+ F1 g6 D$ ^. I$ [- Z: G" Q
54-100 Conductors
9 c/ o0 m8 y! n& E2 z% d54-102 Voltage and Current Limitations (Appendix B)
& ^( S5 W: P8 w4 e* i6 iProtection, z! R; Z. \2 j- f# C
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B) h: p: q+ I$ r; [/ ^& Y W5 T
Grounding
0 M# j; V2 s7 D! c0 E; e54-300 Grounding Conductor
/ x$ l7 _9 I( \! E- ?" G% z8 oConductors Within Buildings. A2 }, X% B: {1 }5 ^1 e
54-400 Separation from Other Conductors% y& n+ h0 l5 z5 U: d, ?2 A
Equipment
5 Z: ]3 H& q* A! y# k8 F54-500 Community Antenna Distribution Amplifiers and Other Power Sources; P/ \2 Z7 n1 Q3 A
54-502 Exposed Equipment and Terminations
0 R {! `3 b; E4 k' j; B9 T( e6 X3 J6 F
Section 56 Optical Fiber Cables+ {$ j8 v- e+ v; E I
General
' Q7 N( @8 o! L/ ^$ H n56-100 Special Terminology: v( }6 J7 g' h* `) l1 P6 P
56-102 Types4 Z4 S( Y9 T/ K0 t+ B4 J8 k
Installation Methods
" X) m8 S2 |- ^' D7 Y, X7 G/ e' Q56-200 Nonconductive Optical Fiber Cables (Appendix B)
/ u0 u5 v2 S E) T7 k56-202 Conductive Optical Fiber Cables (Appendix B)# s) Z& l0 W: ~
56-204 Hybrid Cables* _2 f& x A! J$ {5 u% E, m
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)7 p2 b5 b% n/ v% h
. `, N. |: \5 b
Section 60 Electrical Communication Systems
2 `) b- u; J/ v# n% u$ i- BGeneral
- ]( j. ?9 o$ ^& }: h5 ~9 i60-100 Special Terminology# T Y" }) { C) j
Protection6 H, `! [4 l3 ^2 C7 j
60-202 Primary Protector Requirements. H; O! Z4 b5 ]2 z$ y
Inside Conductors# s- X9 `8 u) e; i8 r1 H5 y3 U
60-308 Separation from Other Conductors
' `4 F1 C4 F! {# @" AEquipment
+ a- ^& [% E5 h2 {+ s% x60-404 Exposed Equipment and Terminations
- x4 J. Q7 m% o& {2 j+ |4 b" c3 J- [Underground Circuits
% d) k: S* m- ^8 A, y0 `. N60-600 Direct Buried Systems. z; T, h& Y) j9 U4 N* G6 [% e; O( a
) H) D# d# m" v" D- i1 eSection 62 Fixed Electric Space and Surface Heating Systems" w/ ?7 _8 y, R8 u }
General
* f( I$ m* V. x* j2 ]' O$ D62-102 Special Terminology
+ A0 P# r2 ?! F) [! z62-108 Branch Circuits
+ g" T3 y! O, r% {* p0 }62-110 Installation of Fixtures
. j6 b9 h* D+ d+ y62-114 Overcurrent Protection and Grouping (Appendix B) (5), y" J0 g# i! z2 m* _
62-116 Demand Factors for Service Conductors and Feeders (2)! H$ ~5 |1 t& ]7 w/ w7 C5 L7 H3 S% B: _
62-118 Temperature Control Devices/ `; e9 d; v! c: {
62-122 Installation of Series Heating Cable Sets (4)(7)* a( Y! u+ I9 v' r4 \
Electric Space Heating Systems' ] B; n: Z& Y& D8 T& s
62-202 Temperature Control
1 W. u* [! H1 p5 s% o8 k1 N' \3 w3 ?62-206 Proximity of Other Wiring (Appendix B)
; ^! x! G: p7 ~4 h# c* T1 y62-214 Installation of Heating Panels and Heating Panel Sets- s! K) B# [$ {8 O+ o. [) S
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
/ \; B% M2 N9 o' ~8 \1 @$ X62-226 Installation of Under-Floor Covering Heating Panel Sets
; s6 x* y* y' u# g U! \Electric Surface Heating Systems
! N4 {2 {- M% K- ]62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
! F; @, u6 g' `; u
8 O( p6 _2 N O' _Section 68 Pools, Tubs, and Spas
. ] f( W) x+ t N4 s2 t. WGeneral
. F1 v6 N- X1 }68-050 Special Terminology+ Z& o, Q8 {2 l/ ]
68-056 Underground Wiring - Table 61- n3 w9 r( n: B' L
68-058 Bonding to Ground (Appendix B)
" G! R% k" f- s68-060 Junction and Deck Boxes (Appendix B): J" a; e. L7 W8 v/ m
68-064 Receptacles! e) r) ~- N8 I" a1 k) W; K
68-066 Luminaires and Lighting Equipment3 z$ a) b1 i/ I4 u- _2 l6 y* C
68-068 Ground Fault Circuit Interrupters (Appendix B)9 w& j% G0 j; q. w* O1 i* M1 P
' E& D" U7 l9 z8 {# v* oSection 70 — Electrical requirements for factory-built relocatable structures and
6 |' L9 R$ C' j8 k6 r0 E2 I7 hnon-relocatable structures
1 @! ]7 r" \4 I6 V; y70-130 Tests (see Appendix B)8 Q+ ?( H& X4 Z4 ^3 _
* ~: A! Q/ |6 A* G! s2 S M0 ~/ ?
Section 76 Temporary Wiring (Appendix G), v" K5 p" O5 F
76-004 Grounding
7 }* } T; i$ G \& g2 T76-008 Service Entrance Equipment
0 a0 g+ R3 A' Z# a0 C: w+ [N 76-006
3 \0 ~9 M, y# s- f" g7 r76-014 Branch Circuits
' S4 g1 j/ S& k, x% f; P9 zN 76-012
2 y; }3 u, b7 D* ]! q9 d7 b. J4 J% n* O$ a4 t! n& e2 C W6 B
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours- b8 r q# ^+ M% A }: D+ l
Marinas and Yacht Clubs. i: _9 O! X7 B, j# L
78-052 Receptacles
% ]' U% {% v* T8 R78-056 Feeders and Services. |# m$ D6 a2 Q" w
Marine Wharves, Structures, and Fishing Harbours
& R0 H% c# Z* n' t78-106 Grounding and Bonding1 t+ J6 t$ @. z# A1 D
Tables" K+ N0 q% Y; A r; n3 l* h
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65
' J5 H; |& n0 d. [, `' f4 l. V1 Q# |3 S4 X- ~( j+ m
Diagrams: 1, 2, 7
/ h7 A0 [: O7 N3 m7 D. _8 H2 g- S8 `" {/ |
Appendix B
6 ]: M& N* t8 g) h/ @3 M- U$ b, tP352: Ground fault circuit interrupter- 6mA
9 m: ]% l" S+ c, A9 h% ]8 k% JP354: 2-126 FT1, FT4
+ ]4 x; U7 g0 p5 f3 B4 ZP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
: v; ?- V2 [: `6 ]; M/ @/ `P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
: Z( y( ^; E! e. I9 KP370: 12-1012, 1118, 1214 Example:
6 e9 i- @8 W# Q; H* ]P371: 12-1108
* @% |$ ?# G) C) D m+ p% w/ M- }P381: 18-108(1)(b), 18-158(1)(b): v& J/ y& R; c+ H5 t
P386: 24-206
) d9 U8 {4 q0 k: O: V/ f4 mP389: 26-256
* m1 o2 c4 i6 y0 m3 [) i d. IP391-P393: Section 28, Example to determine Motor Conductors and Protection, G& X* }0 [( L* R7 K
: C% n2 H) W- _* u3 G
Appendix D
+ R' q/ u2 o7 G ~1 rTable D1, D2, D3, D4, D5, D6, D7, D16 |
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