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Canadian Electrical Code Review Guide
6 h5 E. h: u) e1 dFor the Exam of Electrician For Red Seal License! R- @7 h# O* A
3 D: R" S/ K5 q4 iLesson One) k% Y" ?- T9 x
Section 0 DEFINITIONS
5 a1 h6 J0 L; l% s, Q$ q2 Y+ uThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:; J; o, |9 B: @1 @
Accessible as applied to wiring methods. q2 v6 N1 N8 Z! _ a X3 q- s
Alive or live/ s: J6 [' {5 e
Aluminum-sheathed cable
# l5 c/ Q% g \" sAmpacity
& V% g- @' y4 IAuthorized person
0 c& o5 X! }+ ]5 oAuxiliary gutter
$ ^0 H, _ L+ a* i0 ]- k* fAWG
. U3 P2 n; X% B' n cBonding
2 \- L* t( H+ }1 t0 A# Y1 g8 GCable tray
+ x. m3 [( B+ X: y) TCellular floor& v" C! _6 {* M8 c! |! y
Branch circuit1 _1 _" _1 ]1 p. `* x
Bus% }" H* u2 ?. |" F6 U+ a) W2 u
Busway8 @7 q* R: W H6 C' K/ |" V# `" Z
Communication circuit( v" y/ F8 h. @6 \; F* J% k
Extra-low-voltage power circuit9 u' H; M3 X; l* o: R( f- |
Low-energy power circuit
; V+ d8 @2 m. z3 }Multi-wire branch circuit
4 g0 I1 Y% X2 [( D* QRemote control circuit% C- l# y6 C! Y. P! r
Signal circuit- e' h* X$ ^0 ]" h: _
Circuit breaker
# j' @) H3 B( ~Instantaneous-trip circuit breaker
/ s: g3 m, _: L/ J' PConductor6 H& I7 E" {) D+ i2 t- Y
Conduit
9 X8 J+ E' Q6 i5 D s Flexible metal conduit+ o. u! |- P, i. V- g7 i
Liquid-tight flexible conduit
1 ^- d: k* _8 d5 I" u; O+ Z; e Rigid conduit
$ j# F4 U( a9 K! K. Y Rigid metal conduit
; S$ ~# w. Y5 B- ?) N5 j Rigid nonmetallic conduit$ {- [& O- p7 m3 B% {- F+ L
Rigid PVC conduit4 T. W9 _% b2 C$ O7 u
Connector
) h' `3 {6 f2 O5 ?! j* f. ] Box connector
8 {1 e, T0 y( J G4 a3 a+ @4 D4 I Wire connector' `- x: l/ E& v- t& k; n! |
Controller0 M+ H! u9 _5 r S# G
Disconnecting means* k8 C% F: }/ N. |! B ~6 f
Dust-tight D$ Q# R, N4 A4 X s
Dwelling unit
: v4 y6 c7 `% f5 yElectrical contractor
, S5 d4 y/ B. S8 q+ P3 ^% {Electrical metallic tubing& }# ^2 h0 K/ O+ S
Electrical nonmetallic tubing
5 W/ N4 k. M6 G) G- {. y( c! YEmergency lighting
7 E; o* @ ?" k4 lExplosion-proof7 N& q$ D$ C2 Z! c! p4 N' w5 u3 Z
Extra-low-voltage power circuit
( S/ \' ~) J" x( W1 N1 P; O5 KFeeder
6 W7 i6 X) P+ J" ?5 _$ S/ g- ZFlexible metal conduit
" [) a3 c9 v$ |5 KGround
( p) K R: P& f3 ~2 ]) K% U! F1 {Ground fault circuit interrupter# C& S. O' f* f
Grounded. D' J3 ^4 x: [* ?0 K6 Q% i, q9 o
Grounding: G. B% d! x4 a4 Z" |5 v" I1 U
Grounding conductor
! f: T$ f+ O" s6 I4 }2 OGrounding electrode
0 B& a# z) ?( rGuarded
. [- Z% @0 C4 a WHoistway" e1 T% I+ X2 W1 a: D6 M
Identified+ @' Y( f9 M# Y% h+ }% I2 V
Lampholder3 D4 a# R( R$ e: {) w9 {
Low-voltage protection
! M, \) |6 u' s7 \4 C$ ]; zLow-voltage release
! G+ f* W8 ?9 JNeutral
* _. `4 `# N# ^0 lNoncombustible construction7 Q4 J/ E( `& U. P8 ~. K0 q H
Outlet
. i9 q' T0 @5 {) oOutline lighting
/ _" q `: |! Q3 IOver current device
0 U* D( A2 t2 m9 U# SOverload device
@2 B! z K- M2 @9 `0 d; uPanel board# L8 z( K! a; B5 i
Panelboard, enclosed: E' w; d& b2 a- R2 n
Permanently connected equipment
4 s' }# z" u# U% B2 e9 V% [% oPermit
# R6 ~7 H% M) R9 E$ Y( nPlenum6 } A6 `; M2 x" ^1 A; {
Portable as applied to electrical equipment
3 c. x8 x& `" j0 M' e$ OPortable ground fault circuit interrupter( Y, F( \6 N9 H! b3 ?) A
Power supply cord- N, P' |6 a. I
Raceway
7 e0 D& ?# F. ]/ R- dReceptacle# |8 t* l( C0 q. C) n
Duplex receptacle
0 A1 Y2 t V: G* M* g Single receptacle' V8 t* I# a0 z4 c/ B9 f! u
Split receptacle
; U4 _, g L9 Y6 k# ZService, consumer‘s
8 U+ J8 r8 h( Q% F& h" @Service, supply' I6 t: u. M, n3 k) m0 }& \1 i
Service box7 k: W- d" E g/ }7 W R
Service room7 W* M' U) \5 p |
Single-dwelling4 @- T% N' y3 P y. T
Slow-burning as applied to conductor insulation
- x2 i& f8 z# H2 C, K pSplitter
. u& a, W+ E' n) G0 s+ z& V: GStarter
" h" R2 b5 p; i+ y2 L( ASwitch, q: E- K1 c* f' Q3 ^) r4 f) h1 v: i
General-use switch% L/ b, t! O4 q; Z/ n
Indicating switch
+ u& w: p) c' x! S- S. Q9 e9 t: \ Isolating switch
7 b$ Q/ R8 G$ k p& q# m8 a Motor-circuit switch
\, F3 o6 `+ ~0 `6 P0 M1 ]System
: L1 `% L7 C! g2 u) Z- ?6 q Communication system$ N4 J+ |. _! s! v- f) x
Community antenna distribution system(CATV)6 o6 V2 z' |7 A
Grounding system0 ~+ P' e# ]* e/ g
Underfloor raceway& F& j, X# t: ]( s: w
Voltage:
- \! p( K/ P) c! P Extra-low voltage
( W3 E# C, j4 m' S3 ^. N High voltage, |" o' c% D7 W+ {2 m1 [* G5 r. A
Low voltage
. Y1 L4 a' e, A0 b% B8 aVoltage of a circuit
5 s, [. Z; I( X& @. e# ^$ qVoltage-to-ground2 _9 K! Z0 N2 f
Wireway2 c' W) l, N9 A! B+ x
3 P; z5 e5 P5 w( z( \Section 2 GENERAL RULES
9 _/ P# g9 F$ x4 a4 `* N. F6 g; G7 IAdministrative! h* Q" ]6 `" B9 M. I
2-018 Reconnection. t! L5 G: K) P$ u
2-030 Deviation or Postponement# g/ Z$ ^& }( z$ Z
Technical General
% G" t2 a4 a- B$ `# g6 X n x2-106 Circuit Voltage-to-Ground – Dwelling units+ m# F: T6 R. e) _$ V; d; P% `9 `1 W
2-114 Soldering Fluxes5 O7 D1 P4 M: D7 m3 t' ?
2-116 AWG Sizes of conductors: i8 [/ M5 x4 l/ E% d a) X! B
2-124 Fire spread (see Appendices B and G)
+ K2 y( T8 H( g$ K2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
. h* B; t. c. z+ y5 }4 mProtection of Persons and Property
0 n& ]& G2 q+ F6 t; {5 Q2-202 Guarding of Bare Live Parts0 }# O5 _* t) d0 J* u4 Y
Maintenance and Operation- }3 B7 d& Q H1 b( e" M) ~* |% o1 `
2-304 Disconnection- }2 [$ ]3 c+ [5 L E* m, I
2-306 Maintenance of Live Equipment, B; @2 _, M) |6 J
N 2-306 Shock and flash protection (see Appendix B)
3 l" p0 y0 x F( L" a2-308 Working Space About Electrical Equipment: Table-563 s" ?, k4 c$ w$ X( S r
2-310 Entrance to, and Exit from, Working Space/ o- a+ q; e) [- t
2-320 Drainage5 h( C6 S# j$ h5 y$ M
2-322 Electrical Equipment near combustible Gas Meters and other Devices
- [; g7 w N9 B) C! Z' FEnclosures
" T3 w8 P, @/ d4 q5 C$ S) K6 J* g( ~2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
1 y& v, J& Y1 |5 N h2-404 Marking of Motors: DP, WP, TE7 w# G0 O% [; T+ P! j
, }8 ]% N( ?9 b$ j/ \- r) lSection 4 Conductors6 P$ m5 f6 U8 p2 A* ~5 _) u, T
4-000 Scope( w% G/ V% Q) y, O. s& a b y
4-002 Size of Conductors: 14#, 12#8 l/ g/ [ ^- G
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 361 L: ~5 T& p! v
4-006 Insulated Conductors: Table 19
1 a9 d# ]1 t' j4-010 Uses of Flexible Cord: Table 11
! }& T3 [. A" A7 ^/ r. F' q$ D4 T4-012 Sizes of Flexible Cord
+ E- ^+ |5 P3 Z% ?2 Q' z/ o4-014 Ampacity of Flexible Cords: Table 122 A8 E4 g h) d" A0 j% Q7 u4 m
4-018 Equipment Wire
2 }6 ?4 c H7 v. f4-020 Insulation of Neutral Conductors \) w5 X9 w; t* h" I% n0 B1 W' w
4-022 Size of Neutral conductor) b5 ?6 `$ u3 t3 F$ J
4-024 Common Neutral Conductor+ L" {( A' b) e; Y- `/ ?$ u
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum- \8 y/ a" x8 P6 ^
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
$ v& Z/ T) c- T3 e6 b+ R( J. U4-032 Identification of Type MI Neutral Conductors4 _! ?6 e( l* }
4-034 Use of Identified Conductors# y* k1 z8 ~' s
4-036 Colour of Conductors: Phase A, B, C, …
0 q8 C6 R& x9 S# z) x+ ~3 j) J/ Q# t1 f$ l+ W n
Section 6 Services and Service Equipment
1 a+ w% I% y7 `' F* VGeneral
* U, ~) Z g8 P9 a. W9 z! ^$ Y6-102 Number of Supply Services Permitted* f8 [6 t. f; Y' t* V( r# j- S, d+ x
6-104 Number of Consumer’s Services Permitted in or on a Building
8 ~% q N) I9 R3 m6-108 Supply Service from an Electric Railway System5 Y6 J5 \( }' l$ \
6-110 Three-wire Consumer’s Services $ a( Z; p! a2 V- S+ G
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
* T5 K# F4 E$ W& n$ y, f6-114 Methods of terminating conductors at consumer’s service
0 v, O7 z. l" V/ F6-116 Consumer’s Service Head Location
: z9 @. a- C4 cControl and Protective Equipment4 q! Q; |7 q+ H6 U' C3 a/ L
6-200 Service Equipment
: r' g8 y- B x6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)/ g s, v* W, g b2 }) W( X) M
6-208 Consumer’s Service Conductors Location
+ x, q9 D# A6 ^% F6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
9 q/ x# i1 E+ {. \; Y" B W6-212 Wiring Space in Enclosures# w! o2 h: {" S: p% X- K3 ^
6-214 Marking of Service Boxes# `/ g/ ]% ~, [( j5 S
Wiring Methods
5 P* {8 ?0 [4 @" e! @* i$ u6-300 Underground Consumer’s Services
. r4 k: U4 R; b+ }' D6-302 Overhead Consumer’s Service Conductors
, L3 C+ u( W& ?8 q' G! E. \' ]6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
% ]. W0 J7 o% X6 B+ f6-306 Consumer’s Service Raceways
; j1 t* L" N( R N. _ B1 b) u) o6-308 Use of Bare Neutral in Consumer’s Service3 T! y! |0 q: P: B. V0 |- e
6-310 Use of Joints in Consumer’s Service Neutral Conductors* w5 k: }5 R6 i' l) H, Q
6-312 Condensation in Consumer’s Service Raceway1 p( K. K. x# ]
Metering Equipment
7 P0 K' ~& Z$ {5 Z/ W2 h# Q q8 d# I6-400 Metering Equipment6 G1 E: Z) ?2 a8 S9 R% @
6-402 Method of Installing Meter Loops0 L3 t( Q! [1 P4 M
6-404 Enclosures for Instrument Transformers9 i5 K {& U# q( t$ F9 H% E3 Q/ N2 P
6-408 Location of Meters
^5 v1 F' S) W/ ^3 P' S+ o9 y& k0 m
Section 8 Circuit Loading and Demand Factors1 |, D7 v1 Z# k5 {" r$ P h
General7 v: ^8 {6 N( d: a) G, j
8-100 Current Calculations
5 v* |9 x0 v% E8-102 Voltage Drop ( see Appendix D)
0 \$ j9 E! m5 S& {& T8-104 Maximum Circuit Loading1 q6 P0 r' Z* U' G) l1 e
8-108 Number of Branch Circuit Positions" v6 D' c$ Q+ B" f( R- B. M
8-110 Determination of Areas
9 b+ O8 Y* O0 m( M4 ]Services and Feeders
# d% N5 B+ l) Y$ Q( R B2 u$ b8-200 Single Dwellings (see Appendix B)
2 E: U, {& ?$ J% {4 ^- H4 F- R: s8-202 Apartment and Similar Buildings" h% j/ u! K* B8 d& B$ s
8-204 Schools+ b+ D' `& l D) \
8-206 Hospitals
( _6 p: o6 U% a1 | z8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
* W/ p9 E6 K' |& t8 ^$ z* e5 ^8-210 Other Types of Occupancy (Table 14)6 _5 p1 U# ?- I/ u" o( S( M
8-212 Special Lighting Circuits9 i3 f/ o; X& f& H- u
Branch Circuits
, m3 F" L& D8 H. r8-300 Branch Circuits Supplying Electric Ranges- |* O6 w2 b, }! e
8-302 Connected Loads) q& ~& `0 X# _' j2 B. D
6 ^; q }$ R7 Z1 A$ r7 _' {Section 10 Grounding and Bonding
- s, c& O) M4 L! x3 v, UScope and Object
- E9 \5 _6 j2 }$ E8 J0 ~, o10-002 Object# p7 x) U1 B& n0 O5 c# j
System and Circuit Grounding
, Z" Z+ j A' W$ q- h10-102 Two-Wire Direct-Current Systems
* _+ l @; [/ o! l, b10-104 Three-Wire Direct-Current Systems
$ k( K! S2 e! x; X# x6 Z. g6 y* J10-106 Alternating-Current Systems
* v& S! A7 F1 t# H. f- K10-110 Electric Crane Circuits! l0 I) Y4 M0 [1 |- w, a
10-114 Circuits of Less Than 50 V7 w" G% c& T s& m5 e$ R* Y& e3 [3 c
10-116 Instrument Transformer Circuits3 _6 _) z) ]- N
Grounding Connections for Systems and Circuits
( ~+ G, d& o3 u# j4 i/ [( g: w10-200 Current Over Grounding and Bonding Conductors
5 X' L5 f9 b! U4 W: X, Y10-204 Grounding Connections for Alternating-Current Systems
+ Z# @4 |7 o, F& E+ Y% K5 |10-206 Grounding Connections for Isolated Systems
% I% a' S- C% _& I' i, ^1 E7 B10-210 Conductor to be Grounded
- v% u2 Z! u G$ `6 fConductor Enclosure Bonding7 c4 W3 \" l/ q4 l" L1 G
10-302 Other Conductor Enclosures
" J; ]7 E2 j* U% H2 s( y/ S8 VN 10-3048 k$ K1 |/ s, w# D) P
Equipment Bonding
K/ k5 U' O- M10-400 Fixed Equipment, General5 P7 w, T4 j; T. Y# o* ?
10-402 Fixed Equipment, Specific (3), (4)" ]/ o- x- J- J5 t0 D" V
10-404 In Nonmetallic Wiring Systems
* l0 A3 Z1 u- @! x10-406 Non-electrical Equipment3 o8 Z a& x8 {" \
10-408 Portable Equipment (4)(b)
4 I: F B( I& P3 B- h9 f) L" @10-410 Instrument Transformer Cases+ x2 {8 |( P' r
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
- l% o0 b" b2 z. t( N6 ^10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
( t' ], {/ s; a8 Y7 _Methods of Grounding
|* [' t3 G v {) |: ]' ~* ?10-500 Effective grounding (see Appendix B)' c, I4 [; A; D) K. `
10-502 Common grounding conductors
" A! W: w, Y$ r$ M+ t, o# o& b3 M10-504 Common grounding electrodes
5 a% c2 i& n: @ s2 K5 B sBonding Methods# [, d! I [& d
10-600 Clean Surfaces! B/ u! H/ e, E( T. M
10-604 Bonding at Service Equipment) U' P) Z* R3 J
10-606 Means of Assuring Continuity at Service Equipment, n/ P% C1 ?, M' u# [
10-610 Bonding at Other Than Service Equipment
8 e6 g# ^) t9 u1 x7 P; [10-612 Loosely Jointed Metal Raceways
: ~, `& t4 v5 |0 ~10-614 Bonding Jumpers Table 41
0 Z8 D, g) r' n+ `; ~1 C9 F4 KGrounding Electrodes
! B g e5 t! e/ a10-700 Grounding Electrodes
" x/ ^1 l0 Z0 }( @10-702 Artificial Grounding Electrodes
0 H# q4 g/ t3 F# P: FN 10-700 & 10-702( F3 N' h O% q+ M$ S/ ^4 R, G
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
v5 ]: R/ U2 y- VN 10-702: X) V- C) P* A
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding* z; n( ?2 m) ~+ i5 Q/ X& x1 e
N 10-702" z5 H% c( S% l8 ?: H- f
10-710 Use of Lightning Rods (Appendices B and G), q( u" S4 K( L' h9 n( l' t
N 10-706* j: N n# ]# y' r K! H
Grounding and Bonding Conductors
; L5 _; q0 e/ R" J6 O10-800 Continuity of Grounding and Bonding Conductors5 n! n) O" P8 k1 ?
10-802 Material for System Grounding Conductors; `: b4 W! I+ @7 d) B8 G; c# a% _
10-804 Material for Bonding Conductors
7 K9 c# q/ V1 l$ r+ d; M10-806 Installation of System Grounding Conductors0 V5 J& R5 E+ P4 R* d2 D
10-808 Installation of Equipment Bonding Conductors
- L* O% h; @6 t5 v" U) s5 }* l10-810 Grounding Conductor Size for DC Circuits, N3 M2 ^* y& M, ~+ ^* _5 \1 G+ n
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
8 x& {- p& r% M4 t10-814 Bonding Conductor Size (Appendix B)
% G$ K' L) R! L10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment: w; C( F2 L2 R; c T& A+ {7 c
10-818 Bonding Conductor for Outline Lighting
?. |$ d5 Q, g* Z$ c* Y- ` y10-820 Bonding Conductor Size for Instrument Transformers
6 J3 p) n _$ {* U2 ^. SGrounding and Bonding Conductor Connections
' i" Z1 m4 z% H! C& j* u10-902 Grounding Conduct Connection to Water Pipe Electrodes
5 [" F! g3 ?" r6 U10-906 Bonding conductor connection to circuits and equipment
* i6 w2 N: a; ^, x: N) o& N" `# L# J10-908 Grounding Conductor Connection to Electrodes; [( w+ `; o" x- K- v7 [
Lightning Arresters
" K# u% P6 g. K- r0 k- ^) c. T10-1000 Lightning Arresters on Secondary Services – 750V or Less
* M! o1 o2 c: L, m0 A: v/ i0 Y: q9 _0 A9 K2 n& v
Section 12 – Wiring Methods
, |/ A0 X# g* D: P& \3 u: Q2 RScope" ]& W8 x& Z: L
12-000 Scope (Appendix B)
5 L( r. g" X9 \2 j& @5 F$ S$ SGeneral Requirement
3 H3 ^* n7 a* v* |* C6 y! z9 K! M12-010 Wiring in Ducts and Plenum Chambers. f% g9 t4 D( e X
12-012 Underground Installations (Appendix B)6 B7 s# z6 \0 x! t% `& v
12-016 Lightning Rod Conductors
+ w8 w$ i+ I# wConductors - General* m3 e1 D$ }. _+ [" `- @
12-100 Types of Conductors (Appendix B) Table 198 z8 Z U' p1 C. }: b+ V
12-102 Thermoplastic-Insulated Conductors
( n3 S; h& N7 n12-104 Flame Tested Coverings
; p6 |7 b. h" ~( l. Z12-106 Multi- and Single- Conductor Cables
1 r3 f, X X5 T12-108 Conductors in Parallel (Appendix B)0 W! j+ a; j; @
12-112 Conductor Joints and Splices. R* O, T/ J2 c. T9 f- m( S) o( C
12-114 Ends of insulated conductors9 `: V. S+ l0 m
12-116 Termination of Conductors (Appendix B)
/ U+ p9 i! N/ K- S& @: H: a+ Z12-118 Termination and Splicing of Aluminum Conductors
4 k! L9 P+ |" B, |* L12-120 Supporting of Conductors - Table 21! k; U1 I8 s* J4 ]5 H( S- A
Open Wiring
" @$ p- G0 ~7 k5 I ~12-204 Spacing of Conductors* ?) N! w6 A* t' w9 T( n( u
12-206 Conductor Supports
$ |. J2 I& q6 J12-208 Conductors on Flat Surfaces
! i: A) @8 l) n, x- d& w12-212 Protection from Mechanical Injury
) z6 y4 Y% U0 W2 c; u4 ~+ AExposed Wiring on Exteriors of buildings and between Buildings on the same Premises
' T% s( ?' Q7 D12-308 Minimum Size of Overhead Conductors! o; h% f* e: I6 y4 I m
12-318 Use of Neutral Supported Cables7 ?3 D) w4 G$ d1 e ~
Nonmetallic Sheathed Cable) J9 \, ]% f* B
12-502 Maximum Voltage) X0 x0 q2 W2 q" V
12-510 Running of cable between Boxes and Fittings (Appendix G)& a4 O u9 j$ E/ W; [
12-514 Protection on joists and rafters
* ~ j5 A& J& @" E; P12-516 Protection for Cable in Concealed Installations (Appendix G)5 W+ D, {5 `/ s" {9 C
12-522 Where Outlet Boxes Are Not Required
+ Y4 i* ?, n6 j* d7 ^' vArmoured Cable8 d& R) [2 u# b& o: x: o4 c# k
12-602 Use (Appendix B)3 F3 X+ u9 d" t! P
12-604 Protection for Armoured Cables in Lanes
3 n/ F) }6 V0 n! h* t5 z12-606 Use of Thermoplastic Covered Armoured Cable
0 ?9 D$ v% F% d" P4 l" l12-608 Continuity of Armoured Cable
" h! V% f! z, w+ u, h6 T% \) x- z& {12-610 Terminating Armoured Cable$ x1 a9 p i |: h% L# S
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems; c4 v/ Q7 e" ]
12-614 Radii of Bends in Armoured Cables k3 h; q( O* n: f
12-616 Concealed Armoured Cable Installation# y5 s* e' X: i& I0 m
12-618 Running of Cable between Boxes, Etc, _+ T* u! f# T2 A
Mineral-Insulated and Aluminum-Sheathed Cable, I3 V2 _5 T, z0 t- t7 N( S2 P+ J
12-702 Use. n7 Q4 ?$ s0 {5 ~
12-704 Use When Embedded& _+ ^5 {. T' l' {) E, d8 ?
12-706 Method of Supporting6 N' S, C2 A# q8 B0 h- Q
12-708 Direct Earth Burial
# L' b; q/ }2 |1 q. I3 h& u! Y6 [12-710 Mechanical Protection' A! C# A1 k) G. L% ^9 M1 i9 {, z+ t
12-712 Radii of Bends" Y a. y: j- y: n) G3 z w
12-714 Termination of Mineral-Insulated Cable (Appendix B)8 B9 G) }3 _$ x! A1 ]& w7 Y
12-716 Connection to Other Forms of Wiring6 G) m8 f3 j7 M2 c* K; T) f
Flat Conductor Cable Type FCC: D* ~0 j4 s$ h/ z6 d
12-804 Use Permitted9 J3 q6 Y6 z) g
12-806 Use Prohibited$ u2 J: Z4 h$ ]" a
12-818 Anchoring c' ~7 x" f2 F! L4 p
12-820 Crossings
$ y. L2 O7 y5 ]$ q2 PRaceways - General9 s% @0 b1 X! T* E
12-904 Conductors in Raceways
I) \+ Y/ J5 ^8 c8 [12-906 Protection of Conductors at Ends of Raceways$ d. C, Q" R+ c1 c1 [% Y3 u
12-908 Inserting Conductors in Raceways. u8 h z+ ?7 g3 Q# a
12-910 Joints or Splices Within Raceways
1 M0 K+ A6 G' P$ _12-912 Stranding of Conductors
- O0 G" m3 z' A12-914 Electrical Continuity of Raceways
8 K; _6 c" b6 h* c; y& w) r" a% _* ~12-922 Radii of Bends in Raceways
( P% }' A+ v: D0 IN 12-922 Radii of Bends in Raceways Table 71 }3 n* b0 M1 ~, Z: Y8 l
12-932 Protection for Raceways in Lanes
5 ` w5 n q' m12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)2 ^- f* y' F2 M! l6 H2 B+ `
12-938 Capping of Unused Raceways
/ n8 \1 u( ]3 t* u6 ]12-940 Maximum Number of Bends in Raceways) H9 M$ q: H( k! M
Rigid and Flexible Metal Conduit8 }1 a3 j2 ^5 L3 O1 _ x t( h
12-1002 Use
- K9 O/ M0 C4 _6 y/ @5 J- O12-1004 Minimum Size of Conduits
& T0 P0 J) I: Z7 \12-1006 Conduit Threads (Appendix B)4 D0 t- v/ i& i% x( ~% p
12-1008 Thread Engagement
' I: r6 x3 F9 I) W12-1010 Maximum Spacing of Conduit Supports! ]$ L* \: a+ M( z, [4 T- a
12-1012 Expansion and Contraction of Conduits (Appendix B)
3 A7 W0 j# f+ _; U7 ^+ O- c12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
* ?4 F$ n/ B h+ dRigid PVC Conduit and Rigid HFT Conduit, V* p! p) _. B$ B, q1 h
12-1100 Use
( C9 n/ M$ r/ r6 ^12-1102 Restrictions on Use
9 y3 k3 X9 q# d: u12-1104 Temperature Limitations (Appendix B)% z5 x; i: U( c" B) H+ L# w
12-1108 Field Bends (Appendix B), (2)6 F) a+ D9 u3 H
12-1110 Support of Luminaires
/ v' A5 t9 ?+ Q; O12-1112 Fittings- p, [; g# k# V% ?
12-1114 Maximum Spacing of Conduit Supports+ f3 c& F9 P, S. m
12-1116 Support of Equipment
. p$ A P" P7 \4 N, [+ b/ J12-1118 Expansion Joints (Appendix B example)2 r) I( @$ J+ r3 H4 S/ u+ l. n4 X9 m
Rigid RTRC Conduit
( E& z+ S& Z, D( q12-1210 Temperature Limitations
Z' Y$ D/ C6 b2 X3 Y12-1214 Expansion Joints (Appendix B)
& k, w0 t2 {3 ?1 w% K$ CLiquid-Tight Flexible Conduit& Q; R% w5 z/ @, R i, r3 y
12-1302 Use of Liquid-Tight Flexible Conduit
# X6 G% W) S, r; C) W. v6 V- Q12-1304 Maximum Number of Conductors( H# M. d6 {" r7 k- ]$ e7 h) a
12-1306 Provisions for Bonding
! m) B9 u) S$ p9 I: [8 t+ G0 bElectrical Metallic Tubing, @8 O# F9 B7 G
12-1402 Use
( ?0 \( {5 g. \# I$ m4 f12-1404 Supports! s2 C+ R6 h; r' h3 D
12-1406 Minimum Tubing Size
8 F8 G7 a( @, F* H7 @12-1408 Maximum Number of Conductors
5 [3 `! n3 e2 ^12-1410 Connections and Couplings
3 a; I: t. D/ s4 d' K12-1412 Radii of Bends in Tubing0 P: U5 g; A# u, Q7 R; E
N Table 7
2 E+ h2 W1 m: c% Y3 J: L! EElectrical Nonmetallic Tubing
9 i6 ]/ F- K/ |12-1516 Provision for Bonding Continuity
" a- }- V1 {4 F" b2 zN 12-1514! t5 o. Y; ~: @$ Z
Surface Raceways1 j) H) q( Y6 \, O6 J
12-1602 Use of Surface Raceway (Appendix B)2 p, G: k* s. S f& L' s
12-1604 Temperature Limitations, @* u( V' K3 T4 X+ ~ n$ P
12-1606 Conductors in Surface Raceways (Appendix B)' d9 g5 f8 I! v; ^! g
12-1608 Maximum Voltage
* Q2 M& }5 y& X7 v$ Q12-1610 Joints and splices 4 A& i/ V1 s' p! w' E
Underfloor Raceways( _( Y+ C" r% X# V
12-1712 Discontinued Outlets in Underfloor Raceways' a" |# U* t- J( u: k! s& h9 g
Cellular Floors2 P) v: ]. K, T) [( _1 P2 K. T
12-1804 Maximum Conductor Size in Cellular Floor
1 R* O9 o3 |9 l& t2 x8 l$ \4 q12-1820 Cellular floor discontinued outlets4 T2 N1 ^3 D) }) [: m
Auxiliary Gutters1 a8 w( \1 E$ j+ _/ Y: H# i
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
; Q( V" g7 }0 T1 g12-1902 Auxiliary Gutter Supports
3 K( q/ s& P* b12-1904 Auxiliary Gutter Cross-Sectional Area
% f3 [. W4 [: X# OBusways and Splitters0 b& W( l2 Z `6 S3 _! M1 s
12-2004 AC Circuits in Busways and Splitters
3 O) B% W7 W, {; A% L4 M8 Y12-2006 Busway and Splitter Supports
' j) \9 T& I; b' k, g% V& z12-2008 Method of Installation of Busways8 F7 t9 q4 v4 Y7 a5 O0 f
12-2012 Reduction in Size of Busways) I- V/ s% W( x( ?7 H) l$ b
12-2014 Length of Busways Used as Branch Circuits& k4 e4 L3 R; U! q) J3 ]
12-2018 Taps in Splitters
% n! k( v9 V, C7 v1 ~& w9 v1 Y0 \" GWireways
2 v$ W* \% v: V: m7 B12-2104 Conductors in Wireways- b& j8 e' X# ^/ K
12-2106 Taps and Splices in Wireways
, I! q" H9 d$ p% Z- \0 m0 U. n Cable Trays
" [# _. M6 i) P( S12-2200 Method of Installation (Appendix B)2 _3 Z! B7 {% {$ E- f* J8 a
12-2204 Joints and Splices Within Cable Trays
v p7 a! l n12-2208 Provisions for Bonding& \2 ]2 }+ G. S0 g4 E! B, S7 f! l
12-2210 Ampacities of Conductors in Cable Trays
+ O! l) q+ L, f+ }Installations of Boxes, Cabinets, Outlets, and Terminal Fittings! S, q& }2 N) ^1 v) e
12-3000 Maximum Number of Outlets Per Circuit
2 x6 J; j& F8 h3 ]( v' K lN 8-304* [' }8 G8 D `: Q: p
12-3002 Outlet Boxes (Appendix B)
8 z% H6 Z3 c: oN 12-30006 h% X9 F# {- k2 m
12-3004 Outlet Box Covers* X; r' P5 s1 Z
N 12-3002
8 R3 ~3 w/ {: A% X0 y, z: w12-3010 Boxes in Concrete Construction% a3 n3 {6 X4 ]# r# x7 b: B
N 12-3008
) ]+ g. w" b5 C7 T# T12-3012 Outlet Box Supports
& r* P ]4 o- f! [$ DN 12-3010
?9 u; W0 {( ?, a0 z( |5 F" V( B12-3016 Accessibility of Junction Boxes( k, u3 h" C2 n/ }- L0 ?$ {. |
N 12-30144 D% a' H& H. O( e0 i9 }
12-3018 Flush Boxes, cabinets, and Fittings
8 q; L- d( P; D p5 ` pN 12-3016 _+ f7 A7 X9 m- i. T
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) " z4 T( R' L2 u/ c
N 12-3022( {# y4 V/ u* e
12-3036 Maximum Number of conductors in a Box - Table 23
2 e6 R {9 {9 y( r% s' AN 12-3034. n* G( L; J" l5 L4 R0 U
12-3038 Pull Box or Junction box Sizes
# ~+ p1 U/ Y5 w6 y7 xN 12-3036
$ o( N% ] q- C# ?7 C5 Y. J! b6 L3 R8 ]8 `8 U- |
Section 14 Protection and Control9 [# }' o7 r7 k+ ~$ l* L) t) a
General Requirement
9 F/ L/ @6 |$ |0 v& Y6 |$ e) [14-010 Protective and Control Devices Required
0 M" o; {' a8 ?8 r1 D- l, Z14-016 Connection of Devices
, x7 J$ ^: }. v' N# |. E* v: J; H Protective Devices – General2 R# f# l$ T! a" p" v* w; ?
14-100 Overcurrent Devices Required/ M7 H. K( n1 K0 @3 c' C
14-102 Ground Fault Protection (Appendix B); ]5 X7 Y7 `- c5 d4 l: c
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
& k* z7 t- r* J" @. G# e$ c, c( W14-112 Overcurrent Devices in Parallel
. C, E. d1 I& \: e% kFuses# T. ], j& T5 O2 G% D4 a# t5 p8 Y
14-200 Time-Delay and Low-Melting Point Fuses
- u/ p8 t9 i2 L0 {7 k5 m9 f- p, b14-202 Use of Plug Fuses9 J& {4 w; F0 A0 i2 k$ C
14-208 Rating of Fuses! O( V/ L. f1 y
14-212 Use of Fuses (Appendix B)* `" t; Q0 v) w" g! ~( c# i
Circuit Breakers
. P( K- J/ t; Z9 x' B# I14-300 Circuit Breakers, General
8 }0 j' _( l1 Q- k& l2 S14-306 Tripping Elements for Circuit Breakers# f S3 g5 x$ \) X9 o U
14-308 Battery Control Power for Circuit Breakers7 F# ^: t' j: D/ N: D6 Y& X. v
Control Devices - General
& o8 Y6 \! F+ _0 N2 z) {9 R14-402 Disconnecting Means Required for Fused Circuits
+ J; `( y, R# M- |& p, | Z0 U8 H4 gControl Devices - Switches
( w9 S* Y( m% `4 P: n14-502 Mounting of knife Switches
& H' L- g5 A9 X9 h2 C) c8 m# w( C14-504 Maximum Rating of Switches0 Y+ S1 m, z8 C* Q& _
14-508 Rating of General-Use AC/DC Switches (Appendix B)
) }5 }! F3 v& H U9 C4 G14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
1 h8 ^! o- |5 w: o- n: WSolid State Devices
* x4 i8 U0 Y( X9 n' i) b14-700 Restriction of Use
4 M! h, A) N0 B& w7 ]14-702 Disconnecting Means Required
" B) C3 o; S; \; @0 b3 h6 d9 y
1 a5 R- K& s2 P- \* u. BSection 16 Class 1 and Class 2 Circuits
& v$ J/ ~* `5 A8 S4 W2 i4 w% I# |General- A- a0 ]# z ?( f! l$ p
16-004 Class 1 Extra-Low-Voltage Power Circuits
9 v8 q! d% I( j3 D7 n16-006 Class 2 Low-Energy Power Circuits
- c+ D, C, x- [+ W" `, q16-012 Circuits in Communication Cables7 z8 `. Z& F4 Q& k
Class 1 Circuits
' X) h9 N) y6 r7 y. a2 q; @16-100 Limitation of Class 1 Circuits
- t% u9 t- r7 e5 c# e" E: _% k0 X16-104 Overcurrent Protection of Class 1 Circuits B' R; J' C" y, z* S }7 `" s
16-106 Location of Overcurrent Devices in Class 1 Circuits) K- O5 B2 X) Q! }
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers$ O/ Y( r1 Y8 O
16-110 Conductor Material and Sizes
9 _- |, `4 U2 C& V" C3 [8 K) i16-112 Insulated Conductors for Class 1 Wiring
& `/ ]4 {( x' {# N/ zClass 2 Circuits0 m& w C3 B! ]6 b5 I3 l, {. M; Y
16-200 Limitations of Class 2 Circuits (Appendix B)
4 }# |3 Y ?& }* @0 h+ _4 y9 b" z7 U16-204 Marking+ U+ Q% m9 v5 `9 W
16-206 Overcurrent Protection for Class 2 Circuits
- v2 V/ C; C# r& b+ d% y. S16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
% w! b$ h+ j7 ?7 X1 ~) |( \, A1 IELC: extra-low-voltage cable: u/ c9 X+ B2 e a
16-212 Separation of Class 2 Circuit Conductors from Other Circuits; m& _& S" }& f+ O" |# R* r( Q
4 q* B0 `2 d: g. M
Section 18 Hazardous Locations. ~1 t. u7 u+ r8 r- F
Scope and Introduction
3 K9 {8 U3 {; e; v18-004 Classification v/ M% p. u! V, m& V+ o
18-006 Division of Class I Locations (Appendices B and J)$ t+ b* R/ R! T/ ?4 F3 Z+ @ o$ E
18-008 Division of Class II Locations (Appendix B)4 J4 T5 m! q0 O; v5 b3 Q
18-010 Division of Class III Locations (Appendix B)4 g& G1 t' M* t; m( ?; ^2 ~
General
- H7 c- {3 i" g1 H0 W18-062 Metal-Covered Cable (Appendix B)
* S/ v3 P/ p p. v0 G# ?Installations in Class 1, Zone 1 Location0 j1 C$ V: W: f5 Y+ c% X( X/ F
18-108 Sealing, Class I, Zone I (Appendix B)) t6 _$ R0 X7 s/ s
2 ~& D$ i/ z9 J ~, r2 @
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
8 {7 ]. \* n6 h6 [) sGasoline Dispensing and Service Stations2 r. J# @' ]3 ~5 w: ~: M
20-002 General# K% v9 B; V$ W+ X* L# A
20-004 Hazardous Area (Appendix B)
0 _! S T8 i/ f3 k7 LPropane Dispensing, Container Filling, and Storage. |% h8 G6 ?) t9 s2 V: d: B; P; [
20-034 Hazardous Areas - Table 63
( w$ i& h' I: U2 u7 C; }! lCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities g+ q* Q& o0 ~, Q& ^
20-062 Hazardous Areas
8 H& x& b& C+ i; G9 W+ kCommercial Garages – Repairs and Storage, h: J/ X% y- A! |: e" r
20-100 Scope6 ?' B( |! w8 i- }% v
20-102 Hazardous Areas (1) 2 l/ L. C+ Y q- e- e8 d& [7 {
& \9 S1 t! V' u8 R
Section 24 Patient Care Areas" f) i2 x+ C+ f# i+ T) ^4 d( A
24-000 Scope (Appendix B)
; G4 N) R- S% G% U24-002 Special Terminology (Appendix B)
. ~9 G* Z6 @' M- b: w- R Patient care area- c; z) j; i& N$ W
Patient Care Areas0 i7 D. t9 o( y0 z- Q
24-106 Receptacles in Basic Care Areas (Appendix B)( r( ]; y3 q2 S; t$ ^
Isolated Systems- n8 S2 @; Y+ i. {8 F
24-204 Single-Phase Isolated Circuits (Appendix B). ^/ W: T& h! V/ ^" D4 M6 h2 X
24-206
3 M0 _1 y7 C; v' A
' w$ T5 E2 T3 s, n# \; ~; ^5 iSection 26 Installation of Electrical Equipment5 W8 H1 q) D& P4 v& f) I! J4 P' j
General3 |8 w/ {& |% @$ S" b- i9 v" g
26-004 Equipment Over Combustible Surfaces (Appendix B)5 O# y- ]' `" }7 @
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)! T! P3 w# r% G* t" E( Z ^
Isolating Switches
4 |- x- t8 D* h7 e26-100 Location of Isolating Switches( p' p6 h5 N" ^5 ]
Capacitors
7 |2 c+ e; d5 j% X26-204 Guarding of Capacitors
5 S6 V6 N$ V$ d9 F5 f- }7 p- ?; w26-206 Grounding of Capacitors. x! U9 l! g) J% R
26-208 Conductor Size for Capacitors
8 t8 U6 U( ]3 D9 g0 `26-210 Overcurrent Protection (Appendix B)+ Z3 d0 b+ U* u. p. {% L& Y: H1 e
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits" w x4 k& X! ~ S
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
1 o1 t* D# Q3 A" h9 D3 H- e, U7 s5 G26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
6 e! m. b8 l4 K$ P \26-218 Special Provisions for Motor Circuit Capacitors% C9 R0 ]. Q, _6 F1 A1 X* n1 ?+ v7 {
26-222 Drainage of Stored Charge of Capacitors
! `) X# ^4 B: N' z# p) sTransformers
) O9 t f- {) [ i- _& r26-240 Transformers, General( s8 m, C' t% y
26-242 Outdoor Transformer Installations/ n4 E; A6 o- k& z1 B9 z
26-244 Transformers, Mounted on Roofs (Appendix B)
5 d ?( e; @# r' |7 b2 ?7 B26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B) ~+ C9 S. g" T* k, B
26-248 Dry-Core, Open-Ventilated Type Transformers: m( _; x$ k& \. O% I1 k
26-250 Disconnecting Means for Transformers
1 c% X. M* U$ v) ~" ?1 k26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
4 h. d/ }. p8 A+ S1 `4 F! v; b26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers1 `" g& g# a8 o0 T. C
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
q: D1 D0 C( B( P1 ?9 z+ N2 ~26-258 Conductor Size for Transformers, O& m2 {/ ?3 Y% W$ F* q* d9 y
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)) q; \# d4 ?0 z% F
26-262 Marking of Transformers& o2 g- W1 V' _% e
26-264 Auto-Transformers. T2 d4 C3 W9 A' {9 s
Fences
0 L& }5 @' g$ f26-302 Clearance of Equipment - Table 33 S+ d- {' o% J0 q8 s
Panelboards
& L* }. ^, c8 p' y+ C1 e L0 D26-400 Panelboards in Dwelling Units (Appendix B)
5 T/ H9 }7 K0 r5 }26-402 Location of Panelboards (Appendix G)
D, S2 h" \6 k' `Lightning Arresters |& B! ]! h! y$ {- G0 @0 t
26-508 Connection of Lightning Arresters% {9 b/ j" m' S& w8 e- n
Storage Batteries+ @' v2 v. F9 U
26-542 Special Terminology
/ M3 _- o% m+ [% _6 _$ N26-550 Battery Installation- U4 E# b! u8 T" s3 \: |" b( q# o
26-552 Wiring to Batteries
! d, l S8 W% `3 b ZArc Lamps1 t( n ~7 I: s4 N) E4 D; d
26-600 Location of Arc Lamps% J! ]/ j J% i1 N5 K- A v; k' W
26-602 Conductors to Arc Lamps q6 c0 `$ f' s5 c/ ^6 r
26-608 Globes and Spark Arresters
1 x8 o2 Q' \0 v7 J$ |5 c% SReceptacles7 m! p) E1 h' t
26-700 General (Appendix B)4 x; ?7 L& p% S6 E ?& Y
26-702 Receptacles Exposed to the Weather
2 o% e0 d: ]5 b" \; F+ YReceptacles in Residential Occupancies; K+ R# [3 N0 c$ H& b! X
26-710 General (Appendices B and G) G6 [: c% v9 p- c( ^3 X
26-712 Receptacles in Dwelling Units (Appendices B and G)
{ ^! Y2 H* {1 k26-714 Receptacles in Single Dwellings (Appendices B and G)% _3 Q+ q9 p7 K9 W2 a
Branch Circuits in Residential Occupancies& A) M" M( r0 G' k+ N
26-720 General; E: M n. W3 ]7 f
26-722 Branch Circuits in Dwelling Units8 P1 R, \9 U7 i8 j; \ r8 `
26-724 Branch Circuits in Single Dwellings* A e6 Z/ s& F+ @; N& }
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B); b0 C0 k4 t0 q$ W
N 26-720 (F)
* q8 M# B6 Q2 G& ?! D* V% wElectric Heating and Cooking Appliances" o: W6 q8 `* w& J5 n8 F
26-744 Supply connections for Appliances; s/ b4 }- E. X" a0 A8 K3 K2 ?# @) Q, ^. ^
26-750 Installation of Storage-Tank Water Heaters
+ J3 x- |( I' [$ v4 ]26-752 Infrared Drying Lamps' \. d* q% t% N
( s! \$ n* L# |9 M4 Z! j- Q/ OSection 28 Motors and Generators9 s( ?8 ~4 {( s8 Q9 p; B7 Y* K
General
: N) _8 j0 \, Z% H$ e& y+ @28-010 Special Terminology' Y- i6 O. |3 F6 v
Hermetic refrigerant motor compressor/ R9 H5 ]/ G) I! E
Locked rotor current rating
) C) u. [- j% z5 l: `; G4 s- x2 rService Factor
$ `8 C% C. y8 w9 S9 CTable 44; Table 45; Table-D2
: I8 L6 ^$ a; r( ^Wiring Methods and Conductors7 y: `- T2 Z# V( t8 b, ]& M! z4 T
28-102 Portable Motors5 K7 \( V( k4 N2 C
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
# |8 G. J" v- Q# a8 a n. q) Z28-106 Conductors, Individual Motors
1 G* i/ R. y. f4 U, t; D- `0 c28-108 Conductors, Two or More Motors
6 U2 E) j; F$ _28-110 Feeder Conductors
, G& V$ }4 R" w4 ~& V0 Q. K7 Z28-112 Secondary Conductors; w4 d( x$ Z% f8 O3 J) G
Overcurrent Protection* n$ I A: M! d( c2 Q
28-200 Branch Circuit Overcurrent Protection Z$ g: }! y2 ]; u& ^
28-204 Feeder Overcurrent Protection
, d. j- |, C- u u# j- L1 W- c6 E28-206 Grouping of Motors on a Single Branch Circuit9 S9 D6 k; b# {1 w
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
$ Q4 G' t8 W* e' U9 N- B+ QOverload and Overheating Protection5 i9 @! s1 U7 ^0 p. f, ~. [
28-302 Types of Overload Protection& S9 I8 Q) |$ D/ |. z K
28-304 Number and Location of Overload Devices (Appendix B) Table 25/ B z6 s( E) N$ |7 a
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
5 G' m! u) V8 H1 M A) ]28-308 Overload Protection Not Required
& S0 P, E, O( Z. LUndervoltage Protection
5 H Q3 U) A; t+ u8 \28-400 Undervoltage Protection Required for Motors (Appendix B)
8 B" _; `, w H" u- y6 L$ ]( gControl( |6 v0 C! p9 G v$ r
28-500 Control Required
7 W# f) G( l$ \: d& J9 r28-502 Control Location
0 G7 W, \" I, k; ?28-504 Starters Having Different Starting and Running Position
' ~8 ~/ l" d! N8 L/ i g28-506 Grounded Control Circuit
9 b: L" b4 ], }/ LDisconnecting Means6 m, Z: q" K2 H( }$ K
28-600 Disconnecting Means Required }# P7 ?+ f, n# Y" W
28-602 Types and Ratings of disconnecting Means (Appendix B)+ L. j! u5 A" Y" F1 M
28-604 Location of Disconnecting Means
b( z7 i# I5 X! n Hermetic Refrigerant Motor-Compressors
F) W' d1 F) w# `+ y! j: Q! V28-706 Conductor Ampacity
- {1 B% g3 L7 H) W28-708 Overcurrent Protection
8 w1 z E1 @& Y; s+ n28-714 Disconnecting Means
' M& \ W6 H( b& V( b: mProtection and Control of Generators% K0 u L% ]- H
28-900 Disconnecting Means Required for Generators
/ r; j2 P: c- g6 F/ m28-902 Protection of Constant-Voltage Generators
: D3 _1 M1 {% H28-904 Generator Not Driven by Electricity2 r% c4 @4 Z9 n! I' z
28-906 Balancer sets; X3 y$ f$ B) C/ G& i+ d+ ~
28-908 Three-Wire Direct-Current Generators' l9 ^ K! @* ^/ H+ ~& y
+ R& f8 m9 O/ W) s( N. J
Section 30 Installation of Lighting Equipment
0 V8 R, a8 T0 S- H `30-002 Special Terminology (Appendix B)
G! E- T1 G+ R. K" @/ @9 W: b# AGeneral, E9 @1 `' {" k6 Z$ e7 B$ V4 m
30-102 Voltage
. l* }8 L1 o" x3 u7 Y5 Z9 c30-104 Protection (Appendix B)
3 T% C/ z4 V' Q- e1 K; o7 f- l30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
% S4 k7 S, X1 }30-108 Polarization of Luminaires+ V8 @1 e: Q* h# M( B
30-110 Bonding of Lighting Equipment3 _+ |8 O9 W$ S& F* u; z# a
Location of Lighting Equipment+ q& e5 X- W- R* q$ x, n
30-200 Near or Over Combustible Material5 @* `7 ^. s' v$ Y1 y6 w
30-202 In Show Windows
$ k, B* z( |3 V% ^! M30-204 In Clothes Closets
( s& e; m' L9 z) eInstallation of Lighting Equipment: m0 r4 J9 n1 B* Q8 t0 G
30-302 Support; M4 |- i$ C2 y o
30-304 Outlet Boxes to be Covered2 r: X1 Q0 p) J7 e% f/ t
30-308 Circuit Connections
C5 o, H+ l' Y2 v30-310 Luminaire as a Raceway5 g/ U8 l& ?$ Z# W: ^
30-314 Minimum Height of Low Luminaires3 g0 K- r/ n3 u
30-316 Luminaires Exposed to Flying Objects
0 e6 v, |, Z% | `30-320 Luminaires in Damp or Wet Locations
3 V% R' ?! n: Z' J* ?! s1 fN 30-3184 ]) T4 q- B) d/ F7 t+ ^4 P
Wiring of Lighting Equipment
+ ]! K7 {( _6 q4 _' c+ m! u8 D! E30-400 Wiring of Luminaires
7 g( u: s6 R/ Q1 G5 J, l30-402 Colour Coding5 {+ i3 V' A' L& l1 {. ] w7 h2 q9 m4 z
30-404 Conductor Insulation
: ~1 R6 X, O* ~5 S30-406 Conductors on Movable Parts' |! @8 G. j& W+ m! `, u8 v
30-408 Wiring of Ceiling Outlet Boxes
1 b# ~- _; n# U30-410 Wiring of Show Window Luminaires
6 ^. y2 _+ k# M" a p7 X30-412 Tap Connection Conductors) D3 }! i! [9 L* }; q
Luminaires in buildings of Residential Occupancy
& w1 \1 @5 R& ?0 p- L30-500 Lighting Equipment at Entrances (Appendix G)6 K, [0 W1 D( H: A
30-502 Luminaires in Dwelling Units (Appendix G): F3 ~; F( W! C( |5 L s! `( W
30-504 Stairways (Appendix G)
' u* [; D) u" n3 B+ m7 b. y30-506 Basements (Appendix G)
. |& U( \! q3 A- Z* o1 b3 I30-508 Storage Rooms (Appendix G)
6 G" c" f. R# u30-510 Garages and Carports (Appendix G)4 ^5 x0 C5 s+ |# l5 i
Lampholders7 v0 k6 L/ }$ j% H; s
30-600 Lampholder rating with Incandescent Lamps. N6 b5 B1 E/ K& l+ }8 }6 u7 b
N CANCEL* `5 Z' `5 T* [8 d/ J- Q* ^
30-602 Connections to Lampholders! j9 c; f6 _2 u* D
N 30-600$ L; O2 N% a; i0 N Y% u
30-604 Switched Lampholders Used on Unidentified Circuits
7 P* G6 ~7 Q/ g: M( YN 30-602; t% {0 q. E6 Z% { E* H# n
30-606 Switched Lampholders with Pull-Type Mechanisms; d: {2 ?- J# A# d, i, ]. `& X
N 30-6041 Y4 A' b$ u( X$ S8 A
30-610 Pendant Lampholders6 l2 Q. K$ U" x/ o ~( P
N 30-6087 D3 s/ ~ @ L1 y* _: t/ I9 n6 y
Electric-Discharge Lighting Systems Operating at 1000V or Less/ ~# m. g2 @2 I P3 g9 L
30-710 Control (Appendix B)5 x* ~& m X9 A9 S
30-712 Branch Circuit Capacity, j6 w" y0 R, _" N) T1 |$ y
Electric-Discharge Lighting Systems Operating at More Than 1000V
7 U3 C3 _* \3 Z5 y5 _- _( K30-802 Voltages, Dwelling Units- `, F2 S6 M1 I# g# L" X
30-804 control (Appendix B)
- B0 j2 G. x3 V1 g; @( x6 @Recessed Luminaires (Appendix G)+ {7 U. u9 J* |
30-902 Spacings for Non-IC Type Luminaires$ F0 N- K+ u, {1 F
30-910 Wiring of Recessed Luminaires (Appendix B); J" @) N6 T5 e: v! c
Exposed Wiring for Permanent Outdoor Lighting* i/ C/ j) s1 Y2 _
30-1120 Branch Circuit Loading and Protection3 R5 [8 G- {9 ^% Y0 P* a, g# K9 P
Extra-Low-Voltage Lighting Systems9 P6 X+ m1 G6 t( T* t' M `
30-1202 Sources of Supply
$ h- N' y: A3 D0 q. ^; U# Y+ M4 X
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
- m; B# M' ?1 y9 s2 {- lFire Alarm Systems
' p* i4 v8 {' \; `& _' f9 J9 {) H32-100 Conductors9 m. F( t1 X2 |3 K
32-102 Wiring Method
9 \. x# l7 ^$ a7 F32-104 Equipment Bonding3 [! Y# j0 h1 C4 a4 j" c
32-106 Electrical Supervision
5 L- g; h5 a. C3 Z9 C; r32-108 Current Supply q4 \' A% y+ a5 a2 `0 j! R
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G): U" L8 y# _. ~! \% c9 @
Fire Pumps
! ?6 Q" f* I$ c- f32-208 Overcurrent Protection (Appendix B)
9 r( K7 j. j& m# @8 }) rN 32-206
" h* P' N O& O M* s32-210 Overload and Overheating Protection (Appendix B)
! Z8 X% S* |) {( q3 O32-212 Ground Fault Circuit Interrupter (Appendix B)2 V6 i4 }/ k, w
: Y0 F H& J6 Q, x3 S
Section 36 High-Voltage Installations; U1 @ H9 p: d' ^! `
General: i/ m6 m6 K# B- X
36-000 Scope (Appendix B)
' J3 S: a4 O) [8 y$ @( U- u* E36-006 Warning Notices
2 g @( t; O& B5 T$ Z, K M1 xWiring Methods" j t: o5 l( `7 x1 a, O9 G- h5 j: v7 R
36-102 Radii of Bends
& Y5 G/ i7 x' g$ z7 }* Q' b' r36-104 Shielding of thermoset insulated conductors
. r% ?3 H+ s/ z# ^& t% n4 s36-108 Spacing of Exposed Conductors (1) table 30, table 31$ H' Z' j: C1 A
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34$ ^( k$ G7 `4 W5 d$ O" Y
Control and Protective Equipment p2 P% N% F" _) C" }
36-214 Disconnecting Means
2 m' \ {/ [( G0 L& f' i% d, X' F Grounding and Bonding
( v) U! y9 m1 Z6 n4 W# [$ A( u. u36-300 Material and minimum size of grounding conductor and ground grid conductor and connections) {5 @6 O) |1 T% n/ F. V
36-302 Station Ground Electrode (Appendix B)% ]& u! X1 d. Q
36-304 Station Ground Resistance (Appendix B)
2 a' `, z/ @' } H36-308 Connections to the Station Ground Electrode (Appendix B)# c. u+ U6 a# m& s* h2 c: i) D6 |
36-310 Gang-Operated Switch Handle Grounds
% q O4 R4 b) c, Z36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations( }, u, v" v" w, }5 l3 g; M% B
2 U/ f' Z% R& r! S& N1 x6 SSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment" x0 v% o. [! ]: }/ d
38-002 Special Terminology (Appendix B)+ Q! R3 J% T, c0 Y# ^7 t
38-003 Voltage Limitations (Appendix B)8 X, n) f" K; ?/ V! O
38-004 Live Parts Enclosed
4 i$ l8 d! ^( t; k3 A# V% P38-005 Working Clearances! }& M( u2 y9 \$ c1 X' S
38-011 Insulation and Types of Conductors
- I0 _& R! w2 K* L$ s38-012 Minimum Size of Conductors9 A, {4 P7 E& {
5 w. j9 @8 f) j# y3 gSection 40 Electric Cranes and Hoists
4 }6 ?7 `* `; d! {40-008 Disconnecting Means
1 a R r: F+ n( h40-010 Main Contact Conductors
( Z; w5 n( F( @- ^* K$ ^ \% t2 J0 ]& c# Q
Section 42 Electric Welders
) J' S( D4 W3 L5 w( w2 r. Z) x" KTransformer Arc Welders
: T, N! e) {: L+ j* r& E& S42-006 Supply Conductors
* S) S3 E* ?6 K% w! [) S
+ P3 _) E1 r9 x* VSection 44: Theatre Installations! ?4 x5 l0 @- |6 D
General. [% y" w$ D8 M9 D
44-104 Number of Conductors in Raceways. f4 q: Y& m- t- ~9 h1 o
44-106 Aisle Lights in Moving Picture Theatres
+ ]9 @' M0 C8 N) E8 Y- E5 }5 VFixed Stage Switchboards4 U. z9 @0 Y. T+ D2 i( Q
44-210 Overcurrent Protection9 d' l4 q5 \* I, k! G3 ^$ r
Fixed Stage Equipment2 Y, D+ ~% L1 X2 I2 Y: L
44-324 Receptacles in Gallery Pockets
$ A: c6 c3 s3 A) o: C/ J44-326 Receptacles and Plugs
: s/ j' Z: P' U4 ]* v; Y0 L* m' @- P% f6 a* k) X [% A# W* J8 G
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
E9 A" k2 r0 [6 b2 m, \General8 ]* B) h- o+ W O7 s
46-102 Instructions
+ b/ h% f' i+ a$ Z( S! M$ k G- E46-108 Method of Wiring (Appendices B and G)
% y. x) t7 f$ O4 e% ~Emergency Systems
9 {5 ~- g# `( m: ^5 H4 L46-202 Supply (Appendix G)/ f2 W6 L' I2 o& P1 P) L; i
46-204 Control5 G* f- O8 ? a. m' A0 \# s
46-206 Overcurrent Protection
7 Q8 @2 D6 |4 a1 V- ~. S46-210 Remote Lamps
5 Y% s8 u! x4 ]' f) b5 d7 |Unit Equipment6 G/ f) v, d6 P
46-304 Supply Connections
5 S1 j6 r4 P. @+ ?; }46-306 Remote Lamps (Appendix B)
; k5 R1 O) u9 G9 p- n& QExit Signs/ b8 H, X: _8 C" j
46-400 Exit Signs (Appendix B and G)3 j0 h* C6 a+ ?: |
: k# |7 u2 a% z$ ^* pSection 54 Community Antenna Distribution and Radio and Television Installations
% I1 U0 k* h6 X) z% u5 n54-000 Scope
; C, d, ^: M' u, e9 {* \$ A54-004 Community Antenna Distribution (Appendix B)
- Z/ B7 S- Q5 w6 |6 Y; R! @Community Antenna distribution0 X$ m& g4 @' z4 G6 ~& v
54-100 Conductors0 k; J- i; a3 `) p- W
54-102 Voltage and Current Limitations (Appendix B), B, D1 s0 `; j
Protection3 Z( ~4 w2 ?* _. V0 b0 r
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)( e5 e1 X: W! U. o. G4 a
Grounding! f) a+ Y& \* W
54-300 Grounding Conductor' C3 Q3 x/ g3 r, x: Y. V: e F
Conductors Within Buildings" ?5 u: g2 s/ d
54-400 Separation from Other Conductors7 H1 A3 }9 D/ o* V: G4 f
Equipment
8 I9 Z4 b$ A0 T. f54-500 Community Antenna Distribution Amplifiers and Other Power Sources. g! J" U! b0 W8 _5 Z3 _, b, T; \
54-502 Exposed Equipment and Terminations+ l- T2 E3 z- f- W) {
' _- |" Y; o* B/ {4 Y5 A
Section 56 Optical Fiber Cables
$ ~6 ~: I( K( ?. G1 eGeneral
8 ~* Z* t" x' j; ^; W8 {1 {. Y56-100 Special Terminology7 g3 \ p/ h+ e! r) r, O
56-102 Types. |6 `& U9 N% t5 A
Installation Methods- P, B5 e0 M" K( w
56-200 Nonconductive Optical Fiber Cables (Appendix B)0 P. @& u O& Y7 F* G
56-202 Conductive Optical Fiber Cables (Appendix B)
4 q0 o/ j+ ]2 d8 Y$ l! m56-204 Hybrid Cables+ E) ?0 F% G: p0 l. {1 t t3 p
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
0 @5 I* I2 g! a, n, i9 [: ?% J0 x
( ~, H5 [2 a: ASection 60 Electrical Communication Systems' ]6 _0 Q* I. r6 J
General
. M. { m1 S' }8 V, \3 i60-100 Special Terminology
; x, z7 o1 _% G8 W! H7 \. o5 uProtection0 [2 E5 X2 z" ~( _3 V
60-202 Primary Protector Requirements
8 h* n! S! F5 J& VInside Conductors
0 t$ n8 [4 d. ?& h60-308 Separation from Other Conductors3 u# ], e& c. T# ~: V4 n
Equipment+ i/ U/ Y* m' \+ w
60-404 Exposed Equipment and Terminations6 B* Q: c: |, z/ X# D
Underground Circuits- }) }6 O" E1 D6 x
60-600 Direct Buried Systems- R; j* Y8 }! y! b$ p" H( F8 i
t/ _ f9 \, V6 ]3 _7 d. lSection 62 Fixed Electric Space and Surface Heating Systems7 B3 g% A. C4 d- d# }
General8 Q/ h. v+ O ?7 C& F0 j# \
62-102 Special Terminology
! }3 W8 _0 x1 w/ L. R3 E8 W62-108 Branch Circuits" f$ ]3 t- Q: V8 x- G
62-110 Installation of Fixtures- z! O" y+ T r/ I. l
62-114 Overcurrent Protection and Grouping (Appendix B) (5)) K8 V9 b. Q# j6 P$ i4 @) d
62-116 Demand Factors for Service Conductors and Feeders (2)' y" N2 ^7 p0 f; g0 H3 k
62-118 Temperature Control Devices: M) H+ M' N+ u: q' P. X. w
62-122 Installation of Series Heating Cable Sets (4)(7)
/ a; O9 o# p$ g5 _: p; m. V4 ZElectric Space Heating Systems8 r/ e2 c8 k, F
62-202 Temperature Control
! P; ]" I" _ ~+ l5 p7 j62-206 Proximity of Other Wiring (Appendix B). A! ]. D/ Y2 P0 `9 `! F$ j
62-214 Installation of Heating Panels and Heating Panel Sets
; @2 @/ h Z9 K' Y& W J62-218 Series Heating Cable Sets in Cement or Plaster Ceilings# S) u/ T& x0 z
62-226 Installation of Under-Floor Covering Heating Panel Sets
) P5 C% g- r6 r: x0 FElectric Surface Heating Systems2 D, @0 { \; p1 \. ^8 w
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface: p3 o6 V: T$ }8 G/ K) p1 w% w# m
# [% y0 G/ j* }* qSection 68 Pools, Tubs, and Spas6 \& v6 Z8 \& l0 \- b
General) J# E/ K6 v" V* e* r2 ?: J. }
68-050 Special Terminology
x8 n% L1 l9 ^# ~1 o7 B- C68-056 Underground Wiring - Table 61
) C/ [* n- _" R' b @68-058 Bonding to Ground (Appendix B)
& T/ e/ t2 L) ` m- Y0 d68-060 Junction and Deck Boxes (Appendix B)
# r' Y) |' i) H8 |! F68-064 Receptacles
) b0 K' n" i* o( m8 L, J9 C; R68-066 Luminaires and Lighting Equipment) t j5 ?( E7 d1 ^3 c* g, @- a
68-068 Ground Fault Circuit Interrupters (Appendix B)
) i" Z4 \2 U: s1 ]3 s( |" Z
+ p& A4 ^% E( e- C$ b. ]+ R( r* aSection 70 — Electrical requirements for factory-built relocatable structures and
8 D; h7 a% C; ^, s& s! Znon-relocatable structures
+ L& s3 v& p2 Q( Q70-130 Tests (see Appendix B)1 Q& A* m- p, G0 t" A" q( J
5 W* }6 r0 g$ o" aSection 76 Temporary Wiring (Appendix G)
' z6 L3 S) k4 @76-004 Grounding
! w( ^& J8 F+ ]+ e) j& [* S76-008 Service Entrance Equipment6 |' T' h. Z8 h# j
N 76-006
. L" a3 k6 |& [& t76-014 Branch Circuits
( D- g+ i$ \$ j/ f" i$ ]6 \; PN 76-012 S8 O+ [) ^2 _$ Y
% U. A% f$ i# RSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours4 t H6 B# f6 H' @& M
Marinas and Yacht Clubs6 b$ J6 d' j3 e2 ]1 a
78-052 Receptacles8 ^/ H# o- |1 L: h- B, D6 z- U o
78-056 Feeders and Services9 Z# [- g- ~/ B/ x! F5 j
Marine Wharves, Structures, and Fishing Harbours3 F. m& M, H$ e, M! ~9 k8 c
78-106 Grounding and Bonding
* j$ o5 s0 |+ e1 z1 DTables
9 X1 d- `( Z. L: R4 z1,2,3,4,5A,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% I! U; N, J! s6 Y% J: ?8 j
! @. g! b B/ r2 R; d0 k
Diagrams: 1, 2, 7% e7 |& E; C5 x% f
b$ \: m8 a6 j* L
Appendix B
! V1 w7 e7 t% o( YP352: Ground fault circuit interrupter- 6mA
4 T- p& `# A! z- kP354: 2-126 FT1, FT48 A. i' q2 ?( C* A$ Z
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)9 d) `' m# Y; }! g
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
- U+ q" \$ o, v* X$ FP370: 12-1012, 1118, 1214 Example:
& ` c+ [) o6 u( u6 j4 B i1 RP371: 12-11083 E3 b2 R& |; q7 c! t6 a0 P. ]
P381: 18-108(1)(b), 18-158(1)(b)6 H1 \& h/ @! p+ j1 s6 O
P386: 24-2060 }" i+ ~' [, H! k
P389: 26-2562 f' ]+ l3 r! n7 }( r8 S1 { {6 ~
P391-P393: Section 28, Example to determine Motor Conductors and Protection' y7 \) _" O, e: a
! d2 p4 E7 c3 z. A O4 y
Appendix D
8 d9 r6 H2 H! y1 D( G. S* yTable D1, D2, D3, D4, D5, D6, D7, D16 |
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