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Canadian Electrical Code Review Guide
0 Q: x( `( b- t; g. l% d1 F+ K0 }For the Exam of Electrician For Red Seal License( N2 }' J2 M0 T6 s& U5 |; h
: H- h4 g# ]5 A9 \0 ^' d% lLesson One
5 T v' N8 r7 }/ k6 cSection 0 DEFINITIONS
/ S" z2 P% g5 G" X* oThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
`/ Y) f3 \3 D* @6 V9 PAccessible as applied to wiring methods
, ^5 Z! I" H5 m3 d( QAlive or live
+ @8 z- i. Y. ?! E& [Aluminum-sheathed cable7 ]( L; L9 C0 E. _1 s* I
Ampacity6 ~! ?, _0 G! _/ p
Authorized person$ {, ^# Z' E. U+ m# f" N
Auxiliary gutter
* G( V% P/ b, r9 n' a4 n# ^AWG2 T. x/ d& Y- |" j
Bonding. Y- V3 s& _4 L
Cable tray
/ K0 n( g- u ^% HCellular floor& O. z5 Q2 ~( l! ?( j, Q7 w8 v
Branch circuit
, q" d" Q$ k! q1 KBus7 y1 `# C/ Z5 B t1 [- u7 b
Busway" M& L* I2 U8 B a' K
Communication circuit
! b3 i* x. t$ V. T# NExtra-low-voltage power circuit& t2 h8 ]9 `3 k+ y: D! f- L
Low-energy power circuit
0 s, g5 t4 x4 [7 QMulti-wire branch circuit3 Y5 Z1 h7 a1 f6 _9 S
Remote control circuit& ]7 D# W! R, Q1 w! p
Signal circuit5 ~7 Q4 _* L$ A$ t
Circuit breaker
8 F* q- d& U ]2 D* fInstantaneous-trip circuit breaker- Z/ k3 D* H+ ^8 i+ i, R
Conductor) @: E4 e5 V& l' F5 u P0 r+ C# L% K
Conduit# }; r- u8 ^9 v4 m0 @& E
Flexible metal conduit
# j9 d3 u" w0 v- u( X) z Liquid-tight flexible conduit$ j& `3 O" g3 N: N
Rigid conduit% y" @2 a5 e+ M) v' q
Rigid metal conduit
, P; o# @: C0 n3 p4 g( |% K Rigid nonmetallic conduit+ b/ `1 \" ]2 N6 L* n! p3 [
Rigid PVC conduit
3 E$ p7 `3 i" t; A7 ]2 eConnector
- b' a: w$ Q" O Box connector
. n; o' [ Q/ p Wire connector
! i2 {3 j- f3 g5 Y. C2 mController8 c( C) P% Q9 a+ h: D' T) l8 h) K
Disconnecting means, `9 I1 p. M O4 e( k$ b
Dust-tight9 l, g% X/ b6 y4 X8 y
Dwelling unit
* Z' f! l2 r0 n; x8 DElectrical contractor
% F) p1 r) A2 ], j$ U% BElectrical metallic tubing
9 B" g, @5 Q3 uElectrical nonmetallic tubing' w7 t. @( b( e3 a# [+ Q
Emergency lighting% n5 q/ C4 A& g+ M& z4 b
Explosion-proof9 o% K: ^2 [, f9 L: J! x. S- v# C
Extra-low-voltage power circuit
2 @0 A. M s6 d+ _6 B# ?. uFeeder
9 l: v$ V2 a( h+ K( H! D0 bFlexible metal conduit
, T5 ?; ]. Q; l/ DGround$ m1 E6 F1 s$ x! w' S
Ground fault circuit interrupter( `( C, [# @) X. Q
Grounded
4 M. W, y) B; I$ b2 b& z u' qGrounding' z5 @$ Y% @. ]' P# V# |
Grounding conductor: I$ f. z" o5 |# J
Grounding electrode Q$ l+ q% m5 D1 i! R; |
Guarded
`$ x6 j N9 b |; XHoistway4 F0 I* I3 p& v6 M1 n
Identified
; \4 c) @4 P+ _ Z6 sLampholder( N% U6 w+ J7 d+ a
Low-voltage protection
; {0 R! ^" W+ kLow-voltage release3 D& n* V9 s2 o, t [: o/ r
Neutral" A: h& B: U( D, l* V$ u8 x- E9 t
Noncombustible construction9 S) B/ W; J! y* M8 D3 P
Outlet
1 P$ {: v c0 Z1 O2 l* ~Outline lighting- z* i2 \3 X3 S* r. n
Over current device
# B I+ W w; \- p* rOverload device1 c9 D, [# e8 n- [, s
Panel board, b% C* N( r# ?# l: }6 w
Panelboard, enclosed! E k( O0 M/ w3 p
Permanently connected equipment- M% K1 T1 O# {2 W+ S' C& d
Permit) ^! c! d# w$ Z1 |& k1 s: e) I
Plenum0 _/ H" a2 x2 @. a ]: [/ [
Portable as applied to electrical equipment
- c5 ]6 {+ }5 E8 K8 A$ F) z3 xPortable ground fault circuit interrupter
& {9 V; G( M- _/ r7 ~' ^Power supply cord# I0 x2 _" u: t# [9 g. m3 E5 {! l
Raceway5 Z4 z/ ~7 \2 u1 B0 J' P; e
Receptacle
9 H' P6 ` n4 X9 M+ e ]* ^ Duplex receptacle) m: P' p" C! u, t6 X4 ~
Single receptacle, K ?) S5 d2 } I8 H# ` E
Split receptacle
6 d X) S$ U1 A4 A" c- {Service, consumer‘s3 K- K6 g# Y% H( b" w
Service, supply
X) U/ D9 }$ t; J( L; p3 F* A0 EService box& b5 y5 j& D+ f% y
Service room! L" w) z' T; a! O
Single-dwelling; X4 R0 }: H; r% d! S
Slow-burning as applied to conductor insulation
h0 R6 p, ^& {, R; L! ]Splitter
9 \' ?8 \0 j9 J9 e* n0 tStarter7 b7 s4 u2 g( B# O2 e+ g
Switch/ {1 T d* H* W0 b; o
General-use switch4 i, A; X7 A# F
Indicating switch! Q, ~7 l; V1 R3 ]
Isolating switch! o" O! l6 j$ C- I; y) x7 g) r+ w/ ?
Motor-circuit switch7 s0 |' S- l6 P$ c
System" B( i$ ~: `! X; A, o. U; ?
Communication system4 i6 r% m6 |! j7 `/ g. S/ [
Community antenna distribution system(CATV)2 Y1 v) Q+ i( b: r. X$ T9 {
Grounding system! g+ k3 u5 c: p* ]' y/ u$ P
Underfloor raceway
|8 s/ K @3 p. r0 p c* _Voltage:9 W V N# ]- O5 q+ X7 K% q
Extra-low voltage
. V# f1 R7 y$ C" | High voltage3 O# i+ E; p. k2 Z" o+ Z
Low voltage
; Q$ v$ l9 G& u* z0 BVoltage of a circuit
$ s" Z* S. B- @6 [5 |: a/ r# HVoltage-to-ground
, B8 g5 Y) H# C: fWireway
e$ j% C; H: `/ v
% i3 k3 Y: E& lSection 2 GENERAL RULES* h& m/ b5 S( k/ d8 H4 p5 e
Administrative
! ?* N" ]' q1 e- A2-018 Reconnection
" }$ |9 q3 O0 j% y# y2-030 Deviation or Postponement! f5 M& X+ T W) j
Technical General
6 A9 s& ~2 V" j( G5 K2-106 Circuit Voltage-to-Ground – Dwelling units
" p" ]- C! z& v5 | N0 e2 ^$ j# G2-114 Soldering Fluxes' i7 t* E% \$ D4 ~: a; w% J
2-116 AWG Sizes of conductors
- V7 d% |# X3 ^/ o$ \2-124 Fire spread (see Appendices B and G)
- G( z4 a( F( G& {6 w2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
) S( c Y- F6 [7 |7 i' n% ZProtection of Persons and Property6 ]( k8 V$ S6 X* ?6 D# }* M6 u& |
2-202 Guarding of Bare Live Parts
4 I/ Z- x8 M T9 H; iMaintenance and Operation
/ U; u6 v3 h6 A' x2-304 Disconnection
: x2 O3 W2 l( |) o6 ]$ Z, A2-306 Maintenance of Live Equipment0 y3 R4 a7 W% ?9 d3 I' o J% R" h$ u
N 2-306 Shock and flash protection (see Appendix B). {# O+ m9 _9 n E: h; [; e# i
2-308 Working Space About Electrical Equipment: Table-56 \1 M/ j) Z+ k' g
2-310 Entrance to, and Exit from, Working Space! U G( j9 Y0 p5 A" M; H* N
2-320 Drainage" l; f" L: w \4 N; r; ^
2-322 Electrical Equipment near combustible Gas Meters and other Devices8 ?& A2 c$ E V' S1 Q7 b* }
Enclosures& }4 T( R* G; u* g3 K+ r
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) ' j+ k7 b% }5 Z" ]
2-404 Marking of Motors: DP, WP, TE
) T! F9 J" ]$ L2 f ; ]5 d# o4 `; J. {, ^* h6 w2 U" R+ B
Section 4 Conductors
" z: F/ n2 Z+ d+ @# s2 M' @) b4-000 Scope. H5 [0 o( l2 ~$ i
4-002 Size of Conductors: 14#, 12#
+ W; V/ O. x4 m' T1 f$ v4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 369 w/ E$ r0 c8 x
4-006 Insulated Conductors: Table 19% Q2 h7 N3 M2 \( k
4-010 Uses of Flexible Cord: Table 11
' R3 S# |$ Y' Z s4-012 Sizes of Flexible Cord' }8 ]! R( U% j! W/ f; g B5 j3 g
4-014 Ampacity of Flexible Cords: Table 12
7 C$ o& M# l. G' s; _1 U4-018 Equipment Wire6 W# }9 j2 M7 t4 r- `5 a
4-020 Insulation of Neutral Conductors& w: P9 C% j! e; l3 T) z; H# [
4-022 Size of Neutral conductor
. ~2 Q; G- y5 F0 U% w1 M H7 F, I4-024 Common Neutral Conductor
7 A" A' p0 F* d. n: e4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
?% ?; d8 j6 v+ `8 w2 o4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
1 \, H* @+ ~" [: D9 g, N6 N4-032 Identification of Type MI Neutral Conductors. u; J0 m, g ?7 ]
4-034 Use of Identified Conductors
, z6 k( |# W: \" f. Q! V' L4-036 Colour of Conductors: Phase A, B, C, …# X& ?5 X5 E \. T& G
2 Q3 R. j9 i9 I' j# sSection 6 Services and Service Equipment
$ h+ z' `; n+ `: t/ ]. nGeneral9 y; f5 K0 z1 D0 H/ T( V) j/ c
6-102 Number of Supply Services Permitted5 ~ f, M+ }* g: o* u6 ~. C$ P; F5 o
6-104 Number of Consumer’s Services Permitted in or on a Building6 _5 a' I& ?/ g! g
6-108 Supply Service from an Electric Railway System7 ? o/ H# y1 d! s" x! u. }. ^, `: l
6-110 Three-wire Consumer’s Services / `% E ^( ]- r1 A& b
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
; u' ~; C" }. ?* k# ^ v6-114 Methods of terminating conductors at consumer’s service
2 s: N8 A1 w. \' j% Z0 V [" ^- J- w6-116 Consumer’s Service Head Location) }1 G% e1 }9 k# r& L9 B% z
Control and Protective Equipment" ~7 b* O! R. a& T! N+ v3 }
6-200 Service Equipment
( {1 ^* x2 Y4 f& q: V9 p6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
^8 v1 ?5 ]/ z0 g. b, s. E, x& T6-208 Consumer’s Service Conductors Location
1 P$ h t% Y" ~4 p+ _6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches, C( K. _0 t- J9 N v/ H8 o2 N
6-212 Wiring Space in Enclosures3 Y/ ^2 [5 |( V0 {2 e
6-214 Marking of Service Boxes8 _& T" l& d4 T; J% S
Wiring Methods
}9 P( D4 z$ d+ z6-300 Underground Consumer’s Services
7 P7 i2 h2 n/ l6-302 Overhead Consumer’s Service Conductors- l9 @4 G" `/ }/ q0 d
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
$ f: ] v' V; L6-306 Consumer’s Service Raceways
6 \, V3 I: T" x$ Q1 m" J/ |6-308 Use of Bare Neutral in Consumer’s Service( a% A1 ^, O. N: X7 N0 n( O/ a8 a8 D
6-310 Use of Joints in Consumer’s Service Neutral Conductors
% `1 h- ?7 [# b9 K6-312 Condensation in Consumer’s Service Raceway0 ]3 u1 e' f, q, u1 Q
Metering Equipment$ k3 ~" J, h7 @+ ]. I; L! S
6-400 Metering Equipment; G. B6 Z$ v# u; x. j( L6 C/ S2 a
6-402 Method of Installing Meter Loops( e- ^3 U' @ ~. l
6-404 Enclosures for Instrument Transformers# Z3 V! L! |8 ?( [! J
6-408 Location of Meters) ]( L2 t, k6 O# M3 Z: ^; b
5 Z/ |; \( |8 N8 d" ySection 8 Circuit Loading and Demand Factors5 o" p8 Q6 }9 X( O3 G e
General
3 }0 k, ]$ x# \* x7 f0 [8-100 Current Calculations
$ Z: C0 d6 q$ G/ t7 M. j4 _8-102 Voltage Drop ( see Appendix D)% i. e- ^$ E* G. }7 @* X' B
8-104 Maximum Circuit Loading+ V* g1 u- F5 F# ^
8-108 Number of Branch Circuit Positions; b; K% {# k! @/ b
8-110 Determination of Areas4 z5 r( Y8 o: I% A7 O8 f
Services and Feeders4 u! C, ]0 Q# |
8-200 Single Dwellings (see Appendix B) \5 t* I8 `: U" T. s, W% K& b- M
8-202 Apartment and Similar Buildings
& ~, i, F3 H. o8 ^) w- w/ ?8-204 Schools7 D% h N$ b) s w
8-206 Hospitals
# c6 _- `" ^: h9 A8 T4 ~, x8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
' m% ^8 H1 g) N4 [- [8-210 Other Types of Occupancy (Table 14)
9 ^! h, @9 c# I( s! t8-212 Special Lighting Circuits* W5 u( M+ L p* f+ B/ V
Branch Circuits
" Z% J- G: a- C# i8-300 Branch Circuits Supplying Electric Ranges
0 |2 q8 U) G( x5 i8-302 Connected Loads
: w) k$ \- S6 K4 \ E9 K) k$ `$ b. T
Section 10 Grounding and Bonding
: A' F- h, F8 E& W S3 ]) e/ [Scope and Object% M" p, X) ?1 \/ Y. T3 ~) R
10-002 Object
5 ^1 d v( y/ U& iSystem and Circuit Grounding
0 b& D% H6 Z7 M) t) ^$ |6 B10-102 Two-Wire Direct-Current Systems
3 n& ?% ` l6 C" I) g8 i. a10-104 Three-Wire Direct-Current Systems
9 y" @" o3 ]; }# K2 V. A5 |10-106 Alternating-Current Systems# K; Z' Q, _# c, Z7 w5 N; h
10-110 Electric Crane Circuits
$ E8 L3 N9 Q+ y10-114 Circuits of Less Than 50 V
' }( I3 v9 }$ W: }, v& }8 h; j' h% E10-116 Instrument Transformer Circuits
* X; Q1 I0 ~6 o6 G, k. ]7 MGrounding Connections for Systems and Circuits% w' W) w9 S! t9 D1 |6 ^
10-200 Current Over Grounding and Bonding Conductors
; V' v- @4 i+ W% {* s10-204 Grounding Connections for Alternating-Current Systems
6 i5 @' b5 g/ y% @10-206 Grounding Connections for Isolated Systems
R. m& m6 \+ |9 q2 W10-210 Conductor to be Grounded
9 a8 M( z# }' l) BConductor Enclosure Bonding9 y/ A/ d1 i3 Y! B* G! u+ Z% ^
10-302 Other Conductor Enclosures
! j9 i' e8 ]; _N 10-3045 o! l& R- E- [8 Y4 X+ X
Equipment Bonding
; S) F8 V4 u5 o1 x) L" W5 l1 b) D10-400 Fixed Equipment, General, t5 @* ^/ k' C: F# Q$ u, q
10-402 Fixed Equipment, Specific (3), (4)
T: s- c/ Q) i O10-404 In Nonmetallic Wiring Systems4 Q# `* Q% y T" w$ X" d
10-406 Non-electrical Equipment( b$ b7 E( r6 i# D$ U) r! u- d
10-408 Portable Equipment (4)(b)
4 L5 | ^9 {2 ` p10-410 Instrument Transformer Cases- v; e$ T, o' n+ ^) D, U
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
0 S6 [1 k6 f2 X$ D10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
+ U& S( l8 G( T& @( |# h3 aMethods of Grounding
. Z" S( P: Z1 _. {0 I0 P! v5 {10-500 Effective grounding (see Appendix B)& B, q: ^& i1 _% {
10-502 Common grounding conductors
}8 P6 m7 t) r/ l( Q10-504 Common grounding electrodes
4 r3 d5 I; c& d5 a* X4 O4 VBonding Methods
7 ]1 O9 @: _* I* p& p10-600 Clean Surfaces w: L9 I( F; b
10-604 Bonding at Service Equipment' H, \0 N$ f, q1 I2 W' M
10-606 Means of Assuring Continuity at Service Equipment
$ s* Y1 M4 ?. }- @' v10-610 Bonding at Other Than Service Equipment
, K$ S0 l( b6 L2 H' H10-612 Loosely Jointed Metal Raceways. ]8 {" L: Z3 y4 p" `8 C
10-614 Bonding Jumpers Table 413 w. \% ]1 I9 R
Grounding Electrodes5 G& }- L! h% E+ Y/ m8 q
10-700 Grounding Electrodes: N; _# L) x$ o0 t9 }) W
10-702 Artificial Grounding Electrodes
. r; @: J: P3 t) xN 10-700 & 10-7024 V4 A1 \) J3 _; [8 i2 M
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)! n4 M, s3 E4 n% w$ ^/ l' _
N 10-702
; I: B9 K: x0 e; \" H5 E10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
) X' l. f+ X, H) T: gN 10-7029 s" F8 ~% W( T2 v. B0 u" w
10-710 Use of Lightning Rods (Appendices B and G): u0 Z# b2 w& ?+ X) W: R4 _* R
N 10-706, w& Q% j9 M. K! k" J) p
Grounding and Bonding Conductors. Z p1 j/ q' o9 a* l j; K1 R
10-800 Continuity of Grounding and Bonding Conductors: g4 Y1 ~! u) G: ~% v6 t# D% |3 q" Z
10-802 Material for System Grounding Conductors
7 j3 u6 S; K; P0 `" q2 t10-804 Material for Bonding Conductors! v' b1 n6 l( Z- \( \
10-806 Installation of System Grounding Conductors
" c: M* o9 |3 A10-808 Installation of Equipment Bonding Conductors
/ o+ x9 r' k% j, [! H10-810 Grounding Conductor Size for DC Circuits
4 O5 ]5 P; F- D10-812 Grounding Conductor Size for AC Systems (see Appendix B)
! x& o, R& D$ a Q w5 H: m10-814 Bonding Conductor Size (Appendix B)9 a: v# h* p" o" S1 a0 V4 U, S0 z
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment+ ~; L2 X; s- g4 f6 T. g
10-818 Bonding Conductor for Outline Lighting: Q. x: F- _6 C* P
10-820 Bonding Conductor Size for Instrument Transformers x9 h. {7 C3 Q6 Y3 K' V& l
Grounding and Bonding Conductor Connections1 E3 v7 ]4 a. z2 N' O9 g
10-902 Grounding Conduct Connection to Water Pipe Electrodes N' N7 L, d, H
10-906 Bonding conductor connection to circuits and equipment3 u1 U+ L- _8 w/ K8 n
10-908 Grounding Conductor Connection to Electrodes
; |6 m- ~* x8 e/ t& D1 j& lLightning Arresters
6 Z3 T5 f5 e" g: H& X10-1000 Lightning Arresters on Secondary Services – 750V or Less: E8 E1 v; Z3 ^. U
+ [5 \) Q/ W$ ~. N$ p- SSection 12 – Wiring Methods3 e; q5 k# m+ p1 y4 u
Scope
3 [; p* J* B; ^) h/ Q: [12-000 Scope (Appendix B)
7 h3 v2 F2 c3 h( WGeneral Requirement; }0 P4 A+ S9 q$ S& V
12-010 Wiring in Ducts and Plenum Chambers
% [. V, H$ Y: g; n' _) K' |7 c12-012 Underground Installations (Appendix B)5 y& A- F; }4 x. l7 y
12-016 Lightning Rod Conductors
6 P9 g# P, z5 ?/ _Conductors - General
. N) y9 \% ?6 N1 }. d" l12-100 Types of Conductors (Appendix B) Table 19
; Z( {: `2 U0 R12-102 Thermoplastic-Insulated Conductors9 P @4 |% [4 M. N! ^3 b4 h5 s
12-104 Flame Tested Coverings
2 v3 b* w {9 T& s) o12-106 Multi- and Single- Conductor Cables& k. t u' W9 R" }/ M# w% K& h7 A
12-108 Conductors in Parallel (Appendix B)
) Y- p& _8 w" l0 q# C% m [4 g1 e12-112 Conductor Joints and Splices* g7 y& l4 b2 z8 D
12-114 Ends of insulated conductors
( w3 O# Y4 s' {7 s+ [6 R8 a1 i12-116 Termination of Conductors (Appendix B), A6 ]" |( f4 @! o, q7 o0 a
12-118 Termination and Splicing of Aluminum Conductors, y' G W v. P4 `$ s b" O( G6 ^6 A
12-120 Supporting of Conductors - Table 21, e1 W8 l" y$ I$ N" a# g% ^
Open Wiring
3 N( p9 P$ Z$ D5 W$ G; k2 e6 C12-204 Spacing of Conductors
5 V7 J3 |3 |" ~ A6 P7 C- Z12-206 Conductor Supports: g: D3 u. i0 z
12-208 Conductors on Flat Surfaces: H( _ e, B% \4 R8 \5 j
12-212 Protection from Mechanical Injury o" e0 n$ F D; p. X" O3 H0 [7 Z
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
& x# U- o# ?; F" R( f12-308 Minimum Size of Overhead Conductors
+ S7 I( a/ i! T( }: C) D12-318 Use of Neutral Supported Cables6 j4 w5 i. C" {/ o
Nonmetallic Sheathed Cable7 d4 |* f' X5 X' r: o) g- s
12-502 Maximum Voltage2 P; _4 r, S! @$ `
12-510 Running of cable between Boxes and Fittings (Appendix G)
8 C8 B6 D; u0 `, I* r1 _8 O12-514 Protection on joists and rafters
9 }, h+ k- f1 r' r) q& Z12-516 Protection for Cable in Concealed Installations (Appendix G)' U; w5 A) h3 J4 g
12-522 Where Outlet Boxes Are Not Required
3 d* K/ a8 D/ G3 ZArmoured Cable2 b) Y$ l C+ e3 V7 T8 s
12-602 Use (Appendix B)
$ s% `7 [ C9 u3 A. M12-604 Protection for Armoured Cables in Lanes
* L" j/ C( K& w12-606 Use of Thermoplastic Covered Armoured Cable' @% W# a) [# `: ?& f
12-608 Continuity of Armoured Cable8 l5 J, Y2 w! i1 h; {+ E8 E) _
12-610 Terminating Armoured Cable
: Q; ?* u8 \; y4 s12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
$ n1 i- m/ _9 A: f4 J12-614 Radii of Bends in Armoured Cables
2 I+ a( H; H, X2 P/ E$ A- R- B1 V$ ?12-616 Concealed Armoured Cable Installation
5 B [, }5 n4 E- [8 d12-618 Running of Cable between Boxes, Etc
9 p2 f# l1 W# Q7 s# tMineral-Insulated and Aluminum-Sheathed Cable
' M' g G8 ?" P; a! {12-702 Use
! O3 M/ t. }9 ~+ ?; v6 O12-704 Use When Embedded
& r, b6 X X6 ~0 Y( E12-706 Method of Supporting6 r/ y% ^8 E' W I
12-708 Direct Earth Burial5 G3 Z( J6 s' R6 t- J) H' d; l
12-710 Mechanical Protection. V& Q0 r2 y3 t8 w4 N, m( @
12-712 Radii of Bends
9 ^: Y: R5 n% y5 g- ^6 E12-714 Termination of Mineral-Insulated Cable (Appendix B)
6 Z0 D0 f/ p* Z12-716 Connection to Other Forms of Wiring
0 p. Z, T+ I, Y4 j7 S- R/ DFlat Conductor Cable Type FCC
1 M& A' C! k' Z" \5 T! S4 i7 V12-804 Use Permitted
A% D* n8 G& J! }. w2 m7 ?12-806 Use Prohibited
3 P% w0 ^/ j9 ^9 D, y% b1 z' [7 {12-818 Anchoring
9 f3 k; A+ w7 h12-820 Crossings" _$ t0 G8 [/ d! _2 U: M
Raceways - General0 j5 n7 D9 r; }- F/ i: }' d
12-904 Conductors in Raceways
- F! P! J( q1 I9 l12-906 Protection of Conductors at Ends of Raceways7 D+ D4 N, U% I/ X# A
12-908 Inserting Conductors in Raceways
5 J! w$ \- L. w0 K! Q0 \12-910 Joints or Splices Within Raceways
2 w1 x9 Z' V* F# I. L9 T; D12-912 Stranding of Conductors8 a `; G. L! ?% b6 S
12-914 Electrical Continuity of Raceways/ H% K g. M9 H# F: H- |0 f) n
12-922 Radii of Bends in Raceways
( t3 V! k7 T" ~7 dN 12-922 Radii of Bends in Raceways Table 7
6 ^0 J V/ E) i3 h12-932 Protection for Raceways in Lanes# A# t3 R/ t% R1 U$ ^! o
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
3 ]/ c/ s( H' _; P! h% i12-938 Capping of Unused Raceways
! D1 g$ Q; I% S; |12-940 Maximum Number of Bends in Raceways
. p7 G- k; b+ x' cRigid and Flexible Metal Conduit
+ [; d, b0 s6 P& l: z12-1002 Use$ s$ S& h- I0 \$ J; [0 K
12-1004 Minimum Size of Conduits$ S, O" `- l- `' u8 P. }5 {
12-1006 Conduit Threads (Appendix B)1 |0 y4 a6 ]$ C" r# @
12-1008 Thread Engagement
& N. s* F8 z7 \12-1010 Maximum Spacing of Conduit Supports
+ f' \+ N$ @ K/ r- \% T12-1012 Expansion and Contraction of Conduits (Appendix B)! M2 L; T, Q! |/ R2 [
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 ) |, X* d( i" ?7 Q7 F
Rigid PVC Conduit and Rigid HFT Conduit+ y* ?1 G* `5 P+ E( c
12-1100 Use
' ]( ]6 }. M( B) e% r C3 q12-1102 Restrictions on Use, I* Q* n" z- Q% B. P
12-1104 Temperature Limitations (Appendix B)) q" B$ H7 V8 X, P- o% E
12-1108 Field Bends (Appendix B), (2)3 l3 s& I- h' t
12-1110 Support of Luminaires
+ J" \; [+ c2 d0 s% T3 [- P% b12-1112 Fittings
: t# ]! ~7 \- Z u$ h3 G S12-1114 Maximum Spacing of Conduit Supports
. c* z& m5 E( x12-1116 Support of Equipment ]5 x+ [& h! P/ u' j; M
12-1118 Expansion Joints (Appendix B example), |/ x- z& r( q
Rigid RTRC Conduit
, o X: a7 ^3 g- V" b' R9 [12-1210 Temperature Limitations S+ [1 Y. d1 ]- ?! X
12-1214 Expansion Joints (Appendix B)( d7 h# `3 q* `4 E7 F9 } N z' R
Liquid-Tight Flexible Conduit, X4 P3 ]4 r- F6 n
12-1302 Use of Liquid-Tight Flexible Conduit% Z4 ?6 x4 I5 ~
12-1304 Maximum Number of Conductors
9 y1 T I- \$ Z2 I12-1306 Provisions for Bonding( ?; _/ x3 v: A: @
Electrical Metallic Tubing
0 E5 N( @% h; `; C) d12-1402 Use
! V, T- X3 `2 y9 ~% R6 c5 F12-1404 Supports
7 f2 w" G: v5 I" { n: i+ e12-1406 Minimum Tubing Size
3 p& Z( X+ R. @8 [9 X" m5 e! M) w) ?12-1408 Maximum Number of Conductors
: w: k Y6 |' J3 i" p7 A12-1410 Connections and Couplings3 G2 r- d) V4 f
12-1412 Radii of Bends in Tubing" U* p& G% X9 L# v
N Table 7
3 y d, y6 w$ I) L5 y* mElectrical Nonmetallic Tubing
: [% @! e) N. H3 K# n* X) ^2 Q12-1516 Provision for Bonding Continuity; c) B. [/ u1 O" J! j8 v0 }: R
N 12-1514
5 E1 z6 c4 x9 w6 w/ V' J3 L- iSurface Raceways
+ k9 J4 l7 q' i, r% Z; F12-1602 Use of Surface Raceway (Appendix B)
: C! I, o0 O2 Q- y12-1604 Temperature Limitations; u9 d' n( U. O" o% u) R
12-1606 Conductors in Surface Raceways (Appendix B)- p( A* n" O' ]- e) I9 B4 u# J9 L5 o3 j
12-1608 Maximum Voltage# U* n9 H+ r2 Q* z5 M
12-1610 Joints and splices 4 v$ i/ Q- p7 }/ c0 Y: w" W
Underfloor Raceways
. g: n$ R7 ^/ U* n12-1712 Discontinued Outlets in Underfloor Raceways) W7 U% c' X" p: y2 W
Cellular Floors
& K: _- [; y2 X& {5 a0 I12-1804 Maximum Conductor Size in Cellular Floor
L' |2 |% {. T$ H12-1820 Cellular floor discontinued outlets1 W! t0 W0 |- U: k3 y
Auxiliary Gutters: v- _& b, b! F& m4 _
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces2 T0 c/ @2 Z2 |7 r+ e
12-1902 Auxiliary Gutter Supports
4 m6 h7 Q( D: x12-1904 Auxiliary Gutter Cross-Sectional Area
# g* L5 {7 `7 \$ R- UBusways and Splitters' G5 f# x% g0 a, K' k/ o/ V
12-2004 AC Circuits in Busways and Splitters
1 f+ ~* e( B$ p& C12-2006 Busway and Splitter Supports
( w4 \' Z x% d# y. V S12-2008 Method of Installation of Busways
/ H" _% J8 U/ T12-2012 Reduction in Size of Busways
+ ` X$ F6 R0 S! ]6 S3 M" L12-2014 Length of Busways Used as Branch Circuits
8 V, B( V4 p# e; F# x8 T12-2018 Taps in Splitters
7 ^. T0 V! T) X |Wireways
& U0 ^4 ]+ _. I1 f# \12-2104 Conductors in Wireways3 @+ U( | }* N
12-2106 Taps and Splices in Wireways
' n, o h9 P4 z0 ~0 ] Cable Trays
; a4 J) }/ M. ]; Y# y12-2200 Method of Installation (Appendix B)
7 U8 f- o+ t+ m1 ]4 `! s12-2204 Joints and Splices Within Cable Trays5 F, d$ p$ v; G
12-2208 Provisions for Bonding
) f/ d+ ]) x) A. N' ^3 Y' E( y4 G12-2210 Ampacities of Conductors in Cable Trays5 j0 g# ~* z* L5 F) p0 \+ y. z! t
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
% s& g8 A# m+ h12-3000 Maximum Number of Outlets Per Circuit
" x( x7 o. k, ?7 N' |; y {& YN 8-304: I* a1 ]# } g, X* H
12-3002 Outlet Boxes (Appendix B)
5 O( d) A. g1 W+ b! s0 a$ S. jN 12-3000
& A* F4 l# c: f( O2 v% G1 i( @4 z12-3004 Outlet Box Covers
' i" h: \9 v4 C" t# cN 12-3002. b8 j) y9 V2 o
12-3010 Boxes in Concrete Construction; q& P% o! d% K4 K0 i E; }/ s& g
N 12-3008
4 s: H* _: z6 l! } s5 T6 N9 }12-3012 Outlet Box Supports0 t& G# V5 X+ s" O
N 12-30100 |5 P* `2 r$ {6 U# N0 {& }
12-3016 Accessibility of Junction Boxes
: c8 z/ C3 r% w/ l2 M" c! j" rN 12-3014+ |: H5 S/ B8 f O; G
12-3018 Flush Boxes, cabinets, and Fittings
/ L9 r6 V" T c z4 uN 12-3016$ f2 {- H: j* K
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) ( A2 s. I5 d3 P3 ], ]7 w6 `. [
N 12-3022
) w, b' b" x! d8 T! X12-3036 Maximum Number of conductors in a Box - Table 235 i$ k/ |8 r" \# r; p7 H$ T
N 12-3034
2 R* J' x" ]$ c5 y12-3038 Pull Box or Junction box Sizes) i- j% }( v' ]
N 12-3036
! |. i: L! V3 t) M. U9 H- c
5 L6 K- I1 O4 B# z/ e0 [8 cSection 14 Protection and Control
& Q" y8 F& D* iGeneral Requirement' A$ E' w3 ]0 O
14-010 Protective and Control Devices Required' f3 |& I7 k- T- @. f! A& Q
14-016 Connection of Devices( m' k8 Q6 ^) @' Y9 M
Protective Devices – General; F- `" K2 u1 l+ a) }- Y8 {
14-100 Overcurrent Devices Required
v( \! r& X$ v' Z: S% S0 {0 I$ C5 ]14-102 Ground Fault Protection (Appendix B)
4 l( Q+ k7 M, e# f' H14-104 Rating of Overcurrent Devices (Appendix B) Table 13+ a& N+ i6 G/ P6 W7 J y
14-112 Overcurrent Devices in Parallel5 Z7 p7 d M: {
Fuses
8 K2 [/ c: i8 n# `14-200 Time-Delay and Low-Melting Point Fuses
! m" L( G9 r# M1 M6 Z6 h t( i14-202 Use of Plug Fuses" c. y2 c* l. L: V0 V
14-208 Rating of Fuses
- B6 p1 u& q3 i) M6 s' a! ~14-212 Use of Fuses (Appendix B)4 m( y6 L8 B# Z- t* S
Circuit Breakers
4 A7 ~2 e# x2 m0 b4 l14-300 Circuit Breakers, General
$ |; e; `0 f& Z4 Q ]$ B- N14-306 Tripping Elements for Circuit Breakers
0 A" O+ H& c1 l+ ?3 G8 G# \14-308 Battery Control Power for Circuit Breakers
; l* h9 M8 k5 L3 ^Control Devices - General
; ?1 \6 K; |. j: o) L8 z" u! A3 ?& h4 R14-402 Disconnecting Means Required for Fused Circuits
* `9 e' F, G% s" fControl Devices - Switches
3 G6 Q+ C1 M* `$ b, S8 d14-502 Mounting of knife Switches0 |" L K6 z5 ?! v9 n, S
14-504 Maximum Rating of Switches$ l7 ]9 f9 \8 e: f3 w# U6 B
14-508 Rating of General-Use AC/DC Switches (Appendix B): _% z8 H) j4 K* I
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
9 x2 ]9 }# V+ {Solid State Devices
% l3 }. q; b% _$ |0 W14-700 Restriction of Use
8 t7 f. C. o9 M; }3 W14-702 Disconnecting Means Required/ c$ @4 j" f9 Y* u' |, [4 \
, @( H8 |: b7 n3 x- [ t" i4 LSection 16 Class 1 and Class 2 Circuits2 B) t6 D* H/ O/ _9 p
General% j# u% ?; Q( ^" V+ E7 Y, I ?
16-004 Class 1 Extra-Low-Voltage Power Circuits$ v" C" U6 u( n
16-006 Class 2 Low-Energy Power Circuits
8 ?, p& t: J& ], o5 n( r8 P3 m [16-012 Circuits in Communication Cables
4 j% P) o$ `+ ?Class 1 Circuits
# ], @, }( I8 e9 @3 o6 K16-100 Limitation of Class 1 Circuits
; p# ]6 g, h: A! R" n16-104 Overcurrent Protection of Class 1 Circuits4 H7 x8 K* x5 `# f1 i0 m
16-106 Location of Overcurrent Devices in Class 1 Circuits
# w5 M9 O6 O) f+ i2 l [# c8 J16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
E' [4 y9 P# s* x& p* B2 _. b% y3 @16-110 Conductor Material and Sizes: n& z2 c- |1 k% v! H: W
16-112 Insulated Conductors for Class 1 Wiring
0 K8 O r1 g' [+ C! kClass 2 Circuits
$ h/ s+ s+ F! s+ C7 k( ~% I3 T9 K16-200 Limitations of Class 2 Circuits (Appendix B)
2 ]; p% P1 C8 ]: Q) r2 ?16-204 Marking
5 r2 @" P# o5 G: ~$ l [16-206 Overcurrent Protection for Class 2 Circuits$ {1 y# J% S6 k' T
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
5 e# S9 t0 E4 L2 zELC: extra-low-voltage cable5 V5 X' f# o7 J6 v( }0 x; L* ^
16-212 Separation of Class 2 Circuit Conductors from Other Circuits- L t, @- j( L
* u6 w4 ^0 h# p. ~
Section 18 Hazardous Locations
. o( P0 c% }6 Q" ? w/ o, p/ i( OScope and Introduction) B& T8 v. {/ g) U+ `
18-004 Classification
0 A+ d% I9 U5 H3 c& H7 M* O( h18-006 Division of Class I Locations (Appendices B and J)# s( B' u2 H' m, L$ t/ x
18-008 Division of Class II Locations (Appendix B)
! m5 b' `6 _0 s% B1 b18-010 Division of Class III Locations (Appendix B) a' E: l6 \0 ?/ Y- r
General
, N. u+ N/ a" h) c18-062 Metal-Covered Cable (Appendix B)
0 B! j8 ]; ?! t% {Installations in Class 1, Zone 1 Location
% A! X. K0 M+ D8 x18-108 Sealing, Class I, Zone I (Appendix B)% t8 b% D: q7 C0 L# R9 g
6 B4 _, Z8 D+ b+ W `5 K V1 c' USection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
$ H8 Q0 M* K9 [9 w9 `Gasoline Dispensing and Service Stations
& n3 K0 L5 E& A20-002 General. ^( k) |( n3 @+ F8 J/ T4 [
20-004 Hazardous Area (Appendix B)
1 `8 O0 D' b; |4 b! `Propane Dispensing, Container Filling, and Storage
G N2 e5 }8 h& H- } Y" U& i: O20-034 Hazardous Areas - Table 633 A C# t1 k5 j) o
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
+ b- B6 G$ V: A5 n; y! s20-062 Hazardous Areas
) ^. B0 r" O; c cCommercial Garages – Repairs and Storage" x1 B3 @+ Z+ N3 I6 Y
20-100 Scope; |$ Y: Z+ n5 ~
20-102 Hazardous Areas (1)
2 {$ h! ~/ _; L G. Y8 H/ y
" S/ {' X V! Z( a( U5 H. @+ FSection 24 Patient Care Areas
, T) |& k; E$ x- O# v! ^2 q, W$ J24-000 Scope (Appendix B)
" }9 l% f$ q& H24-002 Special Terminology (Appendix B)& w0 T) j) l+ x9 K T5 e
Patient care area4 \! W6 P/ m9 j5 @0 N
Patient Care Areas5 r7 D. O3 n, z6 R8 ^; y- }! X' M
24-106 Receptacles in Basic Care Areas (Appendix B)
& {- i" T& n2 R3 HIsolated Systems
; K9 a D) N5 L' n24-204 Single-Phase Isolated Circuits (Appendix B)& q5 \! C& w6 O
24-206
) c7 c" H# T* S* \9 ?
3 @- J5 Z i' c5 q. gSection 26 Installation of Electrical Equipment# q. z$ n3 ?8 w0 m$ x
General$ r2 I( g' D& D7 k$ L: M
26-004 Equipment Over Combustible Surfaces (Appendix B)5 J9 g4 ?; T1 q3 f) y3 n0 \
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
6 I5 }' u3 ?# ^$ R' p Isolating Switches: g0 V+ j5 F( J0 ^. o
26-100 Location of Isolating Switches4 r% j' _2 I" h+ w2 B$ k- W+ j; C; z
Capacitors) v4 k) v7 e: y
26-204 Guarding of Capacitors
) r8 X+ S1 [% o0 H26-206 Grounding of Capacitors+ m, @, ^: X9 f0 q# [% C. H
26-208 Conductor Size for Capacitors1 m. E& r( W; o
26-210 Overcurrent Protection (Appendix B)7 N: @5 L3 Z: s0 ~, Y8 C
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits8 P6 D- R2 f# |' ]$ f+ O: w2 [
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits7 ]6 s- P! `' I1 ^8 H/ V' u
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
% H" B0 |, v0 K- I: s- ^/ [2 z26-218 Special Provisions for Motor Circuit Capacitors
0 ~0 k' ~# R! g3 ?0 {, F/ V26-222 Drainage of Stored Charge of Capacitors2 b* V# r4 m" J7 A
Transformers
8 I7 Z" @8 ` J5 w5 |5 j26-240 Transformers, General
3 N- {: u% k% s* G! H' E& ^2 K) ?1 T: z26-242 Outdoor Transformer Installations
4 |9 y: Q+ B5 V8 D; H) b26-244 Transformers, Mounted on Roofs (Appendix B)
+ B! @6 \: ]: j$ `1 P26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B). o4 t9 i9 }5 L7 C3 d8 X$ D# i* F
26-248 Dry-Core, Open-Ventilated Type Transformers
+ U+ F) P) ~2 _5 n$ t1 Q26-250 Disconnecting Means for Transformers* v9 X0 k2 W3 r" T. C
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V8 W' K5 E, r: o" l# D. W6 v. h
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers( R W) Q: ?# `) A! f$ M8 m
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)$ W( s% C) `# x b0 I1 i
26-258 Conductor Size for Transformers
' ~+ f+ ~. p- t26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
, O* v! f3 M3 x1 \8 p+ s26-262 Marking of Transformers. ?# w6 T6 i/ ^% p0 {6 D
26-264 Auto-Transformers
1 q4 [ Z* S* Y/ ZFences
. Y) {, j# V+ h v* O4 o$ M26-302 Clearance of Equipment - Table 33
. { ~+ j2 R- b6 }- OPanelboards+ g) j9 j0 S5 K/ c
26-400 Panelboards in Dwelling Units (Appendix B)
0 Z! v/ \. W9 Q8 T26-402 Location of Panelboards (Appendix G)# N& u4 H' U) F
Lightning Arresters+ j I8 {' m# k6 i7 T( S5 f K
26-508 Connection of Lightning Arresters2 ~+ d/ V2 e% Y' [- j
Storage Batteries0 E H* K( Z( p% W) F
26-542 Special Terminology3 E+ W! U% y+ q% w3 M
26-550 Battery Installation; M! l# |9 d/ U3 k8 I
26-552 Wiring to Batteries
; x1 f' W4 H8 @; FArc Lamps! Z) p( \2 e) r% V9 H1 O( e8 U
26-600 Location of Arc Lamps
8 U6 S9 R5 e; u( B" X26-602 Conductors to Arc Lamps
+ q+ `$ E w7 S26-608 Globes and Spark Arresters: ^& k* q3 ~" A3 B
Receptacles
7 o; I7 T+ I) U: x; N( d26-700 General (Appendix B). H8 ~ p/ F P# _" N3 r- w7 Z
26-702 Receptacles Exposed to the Weather
6 G8 p/ I- K. k0 _Receptacles in Residential Occupancies3 Y j7 k: w& t" f( l( G
26-710 General (Appendices B and G)1 H- d3 ?2 }+ P9 z r
26-712 Receptacles in Dwelling Units (Appendices B and G)
3 c3 e+ ?+ g: r2 z26-714 Receptacles in Single Dwellings (Appendices B and G)
5 r* I# z% j+ V+ eBranch Circuits in Residential Occupancies, V6 ^/ t% P* o
26-720 General' f& F- E* T0 w5 S+ s
26-722 Branch Circuits in Dwelling Units
1 f8 ]& d! v* {" v$ M% O0 i26-724 Branch Circuits in Single Dwellings" [' D' l. s$ d9 j" j# B
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
5 v" _1 s0 i9 G; m! K) O) y3 [N 26-720 (F)
?% q1 Y4 s9 ~Electric Heating and Cooking Appliances& E- O+ c+ ? ^% S- z, ~
26-744 Supply connections for Appliances
0 E0 c5 {3 O& T. J7 W9 |+ r2 Q26-750 Installation of Storage-Tank Water Heaters
& c( U& P; O% s* t3 r26-752 Infrared Drying Lamps" m) W% \3 C/ q( C
6 }8 L" K& Z5 Q0 e2 x* d0 DSection 28 Motors and Generators
- V% z7 F! n5 C: R& p7 w2 AGeneral
7 a* A- Z" W+ r+ M+ p0 F28-010 Special Terminology
2 @8 C- d) \1 I% G9 A) {% OHermetic refrigerant motor compressor
2 s7 n+ Y% p& r2 f5 g8 FLocked rotor current rating, H, [) l9 S9 f
Service Factor
, m( F5 l5 L( L1 cTable 44; Table 45; Table-D2
0 @9 r% ?; e# M5 O0 G+ W6 XWiring Methods and Conductors" ]. i' h6 w' d; I, e
28-102 Portable Motors
9 G, p. Y) [3 _6 Q, ~& t( l \28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
- b% L2 T9 L0 M) g$ q28-106 Conductors, Individual Motors
/ g/ W" |/ K. e1 z5 F, [1 P, {28-108 Conductors, Two or More Motors
' O7 X1 D0 m. r28-110 Feeder Conductors
4 Z7 y, w3 n+ H! I, I0 Z28-112 Secondary Conductors5 Q0 ^6 ^, y- @7 }) Q
Overcurrent Protection
7 d7 H5 M: Q8 y: h. p" f28-200 Branch Circuit Overcurrent Protection# l, t Z' E' u6 K0 }' t" M0 S% n
28-204 Feeder Overcurrent Protection1 Q: T# _+ @- R- i9 K9 r
28-206 Grouping of Motors on a Single Branch Circuit
6 w6 M& O7 a6 \" |6 K6 f% L28-210 Instantaneous-Trip Circuit Breakers (Appendix B)8 K; b% l# [' |# Q$ v" G
Overload and Overheating Protection
# b+ C. ^- O+ N, y' z6 p: v28-302 Types of Overload Protection) U$ G5 @, d, Y* }6 o' e$ \
28-304 Number and Location of Overload Devices (Appendix B) Table 25 X) Y& k$ f3 s: Y2 W
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
" a1 U5 R) Y# A4 C; C28-308 Overload Protection Not Required
/ s! d0 H( O4 K5 ]Undervoltage Protection , }( k6 L2 m. ^( x
28-400 Undervoltage Protection Required for Motors (Appendix B)
: O. }, l, S2 |1 E, {# \Control5 L, z0 @% _, u0 o" y
28-500 Control Required
) X- H- n' {" L. B# E6 ~$ F; ^! S28-502 Control Location. o( i' @; B+ K6 v4 W9 v
28-504 Starters Having Different Starting and Running Position, }0 U; R, d& @5 ^# ~& S
28-506 Grounded Control Circuit
2 x) A- B! I/ ^; X9 \Disconnecting Means
6 D2 q# {0 c# _" j9 g( N28-600 Disconnecting Means Required
4 i9 M' _: F; ?; I! D28-602 Types and Ratings of disconnecting Means (Appendix B)
% f$ f- R0 u: R) R, c$ S28-604 Location of Disconnecting Means
' j0 {! e4 E4 H; ?$ N Hermetic Refrigerant Motor-Compressors
6 T0 e, Z3 K5 c' m2 E! e, @28-706 Conductor Ampacity
% w q9 `+ X& F$ s& G28-708 Overcurrent Protection3 e9 y! i& v7 `
28-714 Disconnecting Means
4 u' s& C/ o0 g' B1 ~Protection and Control of Generators
! ]) l4 K) p' ?" l' K7 j; c28-900 Disconnecting Means Required for Generators' {; }, x$ y1 p' e
28-902 Protection of Constant-Voltage Generators
- D) b' w! n* K28-904 Generator Not Driven by Electricity
" d. ]1 w1 C) r28-906 Balancer sets( _( t# g- E2 a9 U! o, ^1 ^
28-908 Three-Wire Direct-Current Generators
* i# `5 X7 v4 O1 e/ d% D
7 W- _7 U+ I) T& S4 v c2 {Section 30 Installation of Lighting Equipment6 A8 D9 z& S0 y' O8 X# r
30-002 Special Terminology (Appendix B)
# \ j6 [6 i( S: W# GGeneral
5 L; O7 X* d; b30-102 Voltage; k# v9 z5 d' D; q' p# t5 k9 L
30-104 Protection (Appendix B). j1 A& ]9 ~5 d
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment7 \" _; o3 H6 @; P* {
30-108 Polarization of Luminaires: u& M V3 O, w
30-110 Bonding of Lighting Equipment' d ]; y; d9 ]: r6 i
Location of Lighting Equipment
6 y c( {8 k3 `30-200 Near or Over Combustible Material: d) F% z8 k; p q9 i3 Q
30-202 In Show Windows
; a! `7 Z* F/ \. W30-204 In Clothes Closets- u# j9 l1 I" \% I3 F
Installation of Lighting Equipment( U& ]% U( I7 a2 U% W
30-302 Support) R6 Q. ?2 ^6 V9 G! |- c
30-304 Outlet Boxes to be Covered
8 l5 A1 s) A# v+ r2 B6 s8 W30-308 Circuit Connections( n8 U4 H+ k* z* I1 c
30-310 Luminaire as a Raceway) N4 n8 Z2 Y- Y. J4 a$ {0 x
30-314 Minimum Height of Low Luminaires# {7 Z# R. R1 f g
30-316 Luminaires Exposed to Flying Objects$ {8 R; E! R4 W
30-320 Luminaires in Damp or Wet Locations% W( I( X, S! y4 H% ?% _7 ^
N 30-3181 J; [$ u, Z. K7 J' h0 e& X" X( \
Wiring of Lighting Equipment
& f0 S3 [* X) ~30-400 Wiring of Luminaires* B+ e! B0 {3 R2 h/ H0 Q
30-402 Colour Coding
9 p# ?% W+ |; O F6 t" a0 d8 P# ?5 ~30-404 Conductor Insulation% T( c9 _9 O$ a8 _
30-406 Conductors on Movable Parts
. N5 ]' T% ]/ c: _7 _! F; O30-408 Wiring of Ceiling Outlet Boxes2 k( g, W( @5 t e( m" m
30-410 Wiring of Show Window Luminaires
; T& P; h0 o# d0 A30-412 Tap Connection Conductors
6 t% T; K# g& x" LLuminaires in buildings of Residential Occupancy
/ i1 a: v; A9 J+ z3 ~30-500 Lighting Equipment at Entrances (Appendix G)
$ ]* a% l8 p* v; K& ^7 p, l30-502 Luminaires in Dwelling Units (Appendix G)
* @9 |& l7 @. r/ g, K! G8 P30-504 Stairways (Appendix G)
( E9 f/ J2 _% G0 ^" Y, A; P5 d1 X- z30-506 Basements (Appendix G); U: a) k1 ?# W7 U+ o! b$ L1 w. D
30-508 Storage Rooms (Appendix G)
A4 d' @$ o% z2 w" _' S- g" U30-510 Garages and Carports (Appendix G)
3 N8 X! u) c" Q3 a, D6 F0 P3 FLampholders/ n4 z2 `% i6 O6 V! S' ^7 i/ {
30-600 Lampholder rating with Incandescent Lamps
. r) z: S M8 J- R4 L5 LN CANCEL2 `$ A, p2 Z- |7 v
30-602 Connections to Lampholders9 ?4 q8 T. z4 {3 t4 D- C
N 30-600" D6 I. `; S! Y5 `6 V
30-604 Switched Lampholders Used on Unidentified Circuits5 [ _/ R" b3 V- J# ?( ]
N 30-602$ m2 [) b X" j {
30-606 Switched Lampholders with Pull-Type Mechanisms
, F k7 W- z# h/ R! v; X8 \N 30-6046 q# b- P8 J& S; X. Y5 q
30-610 Pendant Lampholders
2 I9 k7 D9 e1 i& a* n$ v- s( N, yN 30-608! m. \) Z+ b! m8 N; q
Electric-Discharge Lighting Systems Operating at 1000V or Less- D; m& ]) i% c# k/ ^7 d7 Q
30-710 Control (Appendix B)
P0 x% [1 @3 [ ^6 \0 R' x) X30-712 Branch Circuit Capacity0 {" g/ W- r2 P8 @0 `
Electric-Discharge Lighting Systems Operating at More Than 1000V0 p' u2 R/ d& M7 G5 f5 p7 V4 V
30-802 Voltages, Dwelling Units
( u9 q7 }6 ^) o- X9 r" q0 z30-804 control (Appendix B)
" A0 R! b! x D9 PRecessed Luminaires (Appendix G)
1 n! z8 P8 N! m! q9 X) S30-902 Spacings for Non-IC Type Luminaires
# O8 n0 }; j6 j% u4 J* s: d30-910 Wiring of Recessed Luminaires (Appendix B)
7 I( ~6 A( A* F% M8 b8 UExposed Wiring for Permanent Outdoor Lighting
6 h, \1 C1 k8 Z" F6 {% t: g! `; u30-1120 Branch Circuit Loading and Protection$ c1 I7 L$ T' J7 @
Extra-Low-Voltage Lighting Systems, F% L2 Z0 z( j
30-1202 Sources of Supply
* Q; ?+ G1 `7 R" f# e! _ ~; m! m9 a; t1 \+ f W w) H
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)0 u1 L' b) u5 g# q m5 D
Fire Alarm Systems1 O) p6 P! t. X( c8 Q, ^8 M
32-100 Conductors
5 k. Y/ H* o) _+ d$ P- h0 A$ I% d32-102 Wiring Method+ F# ^& ?/ `) x* p
32-104 Equipment Bonding1 n/ `4 z6 n; A5 R
32-106 Electrical Supervision; Y+ L2 ]( m7 R. W- v* _
32-108 Current Supply
% f9 Y8 |+ y) V& w) ^- j# i, ?4 o32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)2 W3 G! j2 _5 P" @/ e# N* B
Fire Pumps9 d8 ~0 _; ]% `8 ]* m- ]
32-208 Overcurrent Protection (Appendix B)' a5 I6 ?2 R. o9 P0 Y/ R, n) z
N 32-206
^8 E% L' o [0 \+ \32-210 Overload and Overheating Protection (Appendix B)* M8 D5 |) r1 L! F. w7 u- m
32-212 Ground Fault Circuit Interrupter (Appendix B)8 ~1 M$ T/ k4 i, k: u N9 R- q, i
5 \" c5 V" m9 | D4 i0 \0 pSection 36 High-Voltage Installations
]( {: \+ R* LGeneral7 Z- \" |+ y+ _4 N5 e
36-000 Scope (Appendix B)8 Y B A0 J- `
36-006 Warning Notices
: `) j; g/ k0 e6 q. ]6 gWiring Methods+ S! ]- J; O' s: T
36-102 Radii of Bends7 b6 b: F: C/ j z) B# q9 C' I* e+ Q7 I
36-104 Shielding of thermoset insulated conductors9 ^& g& F3 Y& e& C# ~
36-108 Spacing of Exposed Conductors (1) table 30, table 31# B$ \. N6 v( ] B2 y
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
2 e8 }. h8 i9 iControl and Protective Equipment
$ x) y& h9 l+ s: s7 F36-214 Disconnecting Means, L, r4 w; j" l6 q# I
Grounding and Bonding; o" r; I# I, E% w& O/ i$ @) O
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
4 e/ ^) U; b7 T/ N36-302 Station Ground Electrode (Appendix B)& }& s* w- E9 n% O3 t
36-304 Station Ground Resistance (Appendix B)7 e# @& h3 E5 n! h) S
36-308 Connections to the Station Ground Electrode (Appendix B)
. T% t3 s" _$ j* {# y! ^36-310 Gang-Operated Switch Handle Grounds" R% t7 ~7 H+ }4 G1 ^
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
! s$ n4 m+ S: j2 p" [* n% J# P5 j8 c
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment8 Y* y! y) n. y5 @4 P/ L7 {3 [
38-002 Special Terminology (Appendix B)
% f. U- V/ a8 }7 a$ e38-003 Voltage Limitations (Appendix B)
( h) H/ [& E* E% s3 n* T1 ?& L38-004 Live Parts Enclosed
- v" b4 u) t7 e1 U1 H9 y. X38-005 Working Clearances6 F6 k0 B% d$ z
38-011 Insulation and Types of Conductors
2 A8 Y j* I1 u( s2 m& ?* Y! R38-012 Minimum Size of Conductors }0 |- K% \& Q& D: d
5 N, z' ?" ^1 }6 P6 N5 S2 m% n. |
Section 40 Electric Cranes and Hoists
1 b: X. D9 N1 `7 ] N! M40-008 Disconnecting Means! u: X) \8 i: t/ c
40-010 Main Contact Conductors
% m2 j [$ p# g9 u1 F
3 m' Q* D- E$ F' SSection 42 Electric Welders7 T3 a' M. w; }% V
Transformer Arc Welders
: O5 Q0 s$ k* v+ O! b2 Q& L x42-006 Supply Conductors6 M' W4 ?% x$ D% P! {6 X
8 p# u# j8 {! O5 \$ @
Section 44: Theatre Installations0 h/ E0 J8 l5 D4 r' d- A, ^9 L: r- Y1 _
General
6 B. k) _3 l: I$ E: p7 a44-104 Number of Conductors in Raceways* n, W- Y3 a% J1 P- E8 s; i2 u
44-106 Aisle Lights in Moving Picture Theatres
4 y( ]3 F% i' k U/ B: wFixed Stage Switchboards
; D. _4 a2 C0 `* N44-210 Overcurrent Protection. e% }6 ?6 `; k) ^5 Q8 O+ N' {( k
Fixed Stage Equipment( B" Z5 H4 W4 p( {/ h
44-324 Receptacles in Gallery Pockets. H6 x9 F: D' [& h/ V7 A$ V5 N" `+ F
44-326 Receptacles and Plugs
) _: [" v" C. y# Y* [. }
& H, l' f X6 U% a1 Y. U- a, T0 E; iSection 46 Emergency Systems, Unit Equipment, and Exit Signs
' s5 M0 v/ f# A2 @General
; i5 P5 ^3 y* X* s1 p46-102 Instructions
+ n( P% J# e4 _( v8 B9 z2 @5 w46-108 Method of Wiring (Appendices B and G)
; t" D6 S$ Z9 FEmergency Systems
7 T: U4 O$ P( ?$ B& X- B46-202 Supply (Appendix G)
; c9 ]4 P3 E- _' N% ^0 k46-204 Control: _4 n1 S2 I/ O- B
46-206 Overcurrent Protection! N3 U) Z: `! v
46-210 Remote Lamps
+ n! L g! b F! O- s: gUnit Equipment
1 ^( |2 H9 z. }+ \ f& {( Q; k46-304 Supply Connections
- k# ~7 d% o$ G% S7 x& Q) _$ P46-306 Remote Lamps (Appendix B)" x8 q# l( k* P6 ?
Exit Signs, K; j. h( I& d& B8 h: m4 ?0 M
46-400 Exit Signs (Appendix B and G)
: ?/ k+ r0 T* o' y* H# `: n
1 T* X7 {6 R% }* B; XSection 54 Community Antenna Distribution and Radio and Television Installations
9 y2 X8 h/ h% A# U; r' u54-000 Scope( ~1 P3 c' A( q8 b
54-004 Community Antenna Distribution (Appendix B)9 Y4 _3 A" R1 z. M% F
Community Antenna distribution
$ z4 D9 J) s5 S1 g8 a54-100 Conductors
+ W- ?4 j2 v o' W1 r54-102 Voltage and Current Limitations (Appendix B)7 ~1 j0 @. b/ l1 [
Protection. ]$ c; H4 Q9 y# N* v# _
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
$ o; Z* L; U; u0 |0 t* ? \5 ZGrounding! y" j, B0 D4 T" n+ }2 ]
54-300 Grounding Conductor
. y, _" ~* ^# v! g- i! f+ {Conductors Within Buildings* I8 d0 Q1 ?: w) Y5 k7 g
54-400 Separation from Other Conductors
' v& E. o, K- n, E8 Q$ k! ~Equipment' `" d4 f$ H6 h, l& A. v2 R, z7 w
54-500 Community Antenna Distribution Amplifiers and Other Power Sources/ J: `7 `0 @# t: k. F" j
54-502 Exposed Equipment and Terminations
. p% V% t* g! m" g. {5 }" x' l
7 H0 v5 i0 y% [Section 56 Optical Fiber Cables
9 v4 g0 r3 G6 N% o, nGeneral
( d% L) Y5 c1 p# T56-100 Special Terminology
5 N, X# F' L: c! \ F1 q* J6 X56-102 Types: `6 b. E6 B: V+ `2 q! D6 |1 _4 V3 K
Installation Methods0 s8 G( t7 H1 @3 _' |8 c- ~$ h
56-200 Nonconductive Optical Fiber Cables (Appendix B)
) y: J c+ i M" w* l# d56-202 Conductive Optical Fiber Cables (Appendix B)4 v& I- R' _. X; d: }0 U* X/ x
56-204 Hybrid Cables% U( ^$ ~' w, |- C' z5 U; g
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)) } f: Y. L( m$ b" K
1 v& a5 I3 l, f
Section 60 Electrical Communication Systems2 [6 B5 ?2 a( ^; G% E, H9 A- v
General. t0 B& H' U; h- d/ V w( S" ~( J3 X
60-100 Special Terminology$ Q% h8 Y8 N5 t& z0 g
Protection3 h. }. \ _% C
60-202 Primary Protector Requirements( E3 t) Q% Q( B
Inside Conductors& o* n8 m( ]0 Y8 [% W
60-308 Separation from Other Conductors
5 q4 W/ Y C4 E2 Y$ t8 ~Equipment0 }0 y* ?% n7 m' U9 U: K: V% M
60-404 Exposed Equipment and Terminations
. i0 O/ M7 L9 S: z5 oUnderground Circuits9 q& B% F+ v' \4 r
60-600 Direct Buried Systems9 Y2 u9 E$ }: b9 P* x+ |5 C% z, V" U- n
) k+ A; b& Y+ w/ l9 kSection 62 Fixed Electric Space and Surface Heating Systems
0 h9 i) E( x! \( S. k% e8 IGeneral' v8 }# m% P! f% w* a
62-102 Special Terminology
1 q$ z2 ?# N: X0 N( x62-108 Branch Circuits( s3 y+ l# E& T; H) O7 e
62-110 Installation of Fixtures
. | Q% F& W* X. v62-114 Overcurrent Protection and Grouping (Appendix B) (5)- A9 n0 j- v% m, R( a# d; m
62-116 Demand Factors for Service Conductors and Feeders (2); o# `! `& [( ?
62-118 Temperature Control Devices
1 {9 V" [- w$ f, C5 M6 i2 X1 {62-122 Installation of Series Heating Cable Sets (4)(7)* ^3 ?+ c2 b6 f) S. O4 O) R5 q
Electric Space Heating Systems
0 O( O E; B9 p62-202 Temperature Control
; r- t# L5 B0 l2 b2 B, l1 M7 D! Z62-206 Proximity of Other Wiring (Appendix B)- F* m9 N$ y. j% o, I' t* N4 T
62-214 Installation of Heating Panels and Heating Panel Sets
" l* N4 d% I5 a; P( G) z62-218 Series Heating Cable Sets in Cement or Plaster Ceilings' W) r ~& a1 T
62-226 Installation of Under-Floor Covering Heating Panel Sets& t T' ~+ F1 S
Electric Surface Heating Systems
; Q4 p& ?! I" x& j7 |- x( Q62-306 Heating Cables and Heating Panels Installed Below the Heated Surface( I' r2 C3 J; P
( ^: F! B5 h2 s) w* x- G, ySection 68 Pools, Tubs, and Spas
$ r; X; u- z/ v. qGeneral
3 R# a( Q% ^) t7 L68-050 Special Terminology' ^& P; |% w' L; e3 [
68-056 Underground Wiring - Table 61. O3 r9 J6 ?/ n5 ?/ ]: n
68-058 Bonding to Ground (Appendix B). `* @0 z4 v# x1 l
68-060 Junction and Deck Boxes (Appendix B)7 l4 s: B& Y9 O$ c0 ?2 p6 B& y
68-064 Receptacles& S; v. s6 w) }$ g
68-066 Luminaires and Lighting Equipment
/ u5 A. }* _( O7 T- {; Y4 ^" e6 W68-068 Ground Fault Circuit Interrupters (Appendix B)
% D( {( K) O2 z& `, q9 o+ v& n; _5 T, _8 c" t; d
Section 70 — Electrical requirements for factory-built relocatable structures and # v! J0 y( v& r+ s5 j
non-relocatable structures1 g% C9 e; T# O3 R" h- j8 K
70-130 Tests (see Appendix B)
0 D. y" B+ y; a" A, f. ]" [1 r( d% d4 g% M' O
Section 76 Temporary Wiring (Appendix G)
' W2 L5 f' j) E4 x76-004 Grounding
& [3 @& U. Z/ y2 i76-008 Service Entrance Equipment
6 {5 Y8 f4 i# pN 76-006
/ Q! t O( y$ p" C: u76-014 Branch Circuits# x k0 N* X% W5 g+ ~
N 76-012
- N' E3 V t0 N4 P! d- Q+ ~$ E! c3 z3 e. I+ z) I0 Q, [
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours9 @- s1 V9 t& _# {8 y
Marinas and Yacht Clubs1 Z s1 s* X- l( i j
78-052 Receptacles% N, L; F' R v0 e: o
78-056 Feeders and Services
7 u+ |4 y$ v) { A: `Marine Wharves, Structures, and Fishing Harbours: ^* y" A9 u0 p4 F) [2 l9 J
78-106 Grounding and Bonding
; u4 A( @3 @4 |2 E4 U1 STables
" [7 V# q4 L8 ]6 Q& R" T9 q4 `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
+ w6 Y+ h; j9 o( h/ U
) [5 C) i1 D) U- dDiagrams: 1, 2, 7
$ y H% D( B2 ]# m8 r! S, D* h/ {/ O$ I9 H: r/ h' o9 J
Appendix B
+ A0 v8 x2 `: P0 x) I% VP352: Ground fault circuit interrupter- 6mA# e7 r- X, Q. W2 M/ o( c% R
P354: 2-126 FT1, FT4+ [1 Z) O3 Y' I$ e
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
; X0 U2 f6 E: {5 F0 |P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)7 o3 h& o2 I" B
P370: 12-1012, 1118, 1214 Example:
$ d% z% I6 Y7 @; GP371: 12-1108! T& v5 \4 ? O4 G6 y
P381: 18-108(1)(b), 18-158(1)(b)
9 v4 c2 Z7 z! Y& W2 B6 ]/ c8 [P386: 24-206! G) f! i9 u& ]& J8 e3 C- y& \! a
P389: 26-2568 Q. _& [% ~: [4 L/ R
P391-P393: Section 28, Example to determine Motor Conductors and Protection- |6 {. e$ z9 e( Z' P
6 h; ]9 r. b7 v1 A4 d1 I4 P
Appendix D5 M, L0 O3 n6 T% N
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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