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Canadian Electrical Code Review Guide
- X4 x% Q" R/ a6 r2 ~3 ?$ P- ^) a" JFor the Exam of Electrician For Red Seal License, u4 }/ G" I+ j
9 G, ^; q5 ?5 X2 o8 E6 y* ILesson One# ~! ~$ t [( ~, J m* Z. Y
Section 0 DEFINITIONS. P! T. }; f2 q; d, S# d
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:8 T& R- M4 ?7 ?) l8 m; R, L
Accessible as applied to wiring methods/ X8 ]; w' G6 w" F: g
Alive or live
6 v3 N( d5 a4 m/ k7 KAluminum-sheathed cable
- x7 H" f* v. m) H" l) R- TAmpacity
6 E/ w# ]0 o+ ~4 f2 z5 BAuthorized person
1 d: E! x) Q/ U3 @6 }5 mAuxiliary gutter
; _! F7 x) z: C9 G- [AWG3 K, L( \5 E; `* [0 t2 F4 t1 t0 v
Bonding
( ~5 |1 @- P* r/ U8 d% _1 `( C MCable tray( T) T. D, g" r' X% S( q1 H# q0 ]
Cellular floor! O* D" y* @7 W: ~
Branch circuit( |( D3 {1 ?/ @% }! d; X
Bus6 F0 {0 W- X8 H' d
Busway
7 I$ H' k# c* MCommunication circuit; Z0 X0 e0 h( |# \7 u) A& Q6 Y
Extra-low-voltage power circuit& v+ I3 H! H7 t( C. W
Low-energy power circuit6 E9 Q4 S$ S3 H9 Y7 `4 X
Multi-wire branch circuit1 w1 B2 F: Z5 {5 M0 @
Remote control circuit0 B# Q6 `( n% k `! f0 k7 o1 \8 D
Signal circuit! ^ b7 q$ z$ R$ b9 j& u8 O
Circuit breaker: Q0 Y. a9 @% U* c
Instantaneous-trip circuit breaker& P+ q5 m$ ^% O
Conductor9 }: j) N0 ^7 n
Conduit
{5 f4 b& x2 u; o Flexible metal conduit" z. d3 R0 b, Y: t
Liquid-tight flexible conduit. y' l3 K0 X, ^4 n
Rigid conduit
4 r: s# k) S1 Q5 c0 m) U; J5 S1 w$ f Rigid metal conduit- {3 _6 ?/ p1 z1 w; `6 R
Rigid nonmetallic conduit, }: `/ G% X4 [) i+ T5 A* x7 a
Rigid PVC conduit
: i& c$ Q4 |" k# G% B4 D# D1 ?Connector3 J7 c( c; l- G) Q% u- r
Box connector. ^4 R) O( Q' d1 J
Wire connector
% c, ~# C8 e# C6 W* N/ ~, R0 b9 S; pController
, Y! U6 q$ J" J' K! R9 j4 R, Y; y5 nDisconnecting means
' W7 Q" k% R2 H3 SDust-tight. [/ y1 T/ [5 e
Dwelling unit
: d7 u1 U& c) a; [' F. G/ `Electrical contractor, C$ w+ E) [2 n' x" O! m p# k+ L
Electrical metallic tubing
% O7 q3 C' h+ k0 s- HElectrical nonmetallic tubing/ b( D6 g% b- C0 S! O
Emergency lighting
- P8 ?( ^6 |2 g1 p8 yExplosion-proof
; X& @# A! ?4 A& VExtra-low-voltage power circuit8 h7 Y E# E, C( N3 V3 t
Feeder! O! h1 b: K6 f2 \7 o8 Q( r
Flexible metal conduit o8 ~, x$ V( ?. X
Ground
H6 u/ u7 F% |* b3 P2 ZGround fault circuit interrupter- V+ }# ]* M0 E: }! L
Grounded
' @/ |" B- @5 M E# i$ sGrounding7 q* N+ @9 W! K* E8 F/ e! Q% E
Grounding conductor
: P7 R9 A: C: v$ {6 i k3 SGrounding electrode
7 B' |5 e _7 S3 p* zGuarded8 t7 q4 F, ]: g& o* ]; \1 m
Hoistway
h- V( @( f9 F! I QIdentified
8 `$ Q' D8 B+ GLampholder
- y; A- A. F4 _& c- I6 k6 ^Low-voltage protection
, Z0 q! H5 G- P4 nLow-voltage release
6 m6 b2 u! Q1 `+ F% lNeutral9 ?0 I; O- t& ^9 Z; t5 c/ f
Noncombustible construction7 o; m- `5 U/ n% @& S
Outlet
& v" L2 i4 w; VOutline lighting/ |, Q: F W: J9 u8 j9 | S
Over current device
4 j$ Q1 v% D; i) Y4 q, [( oOverload device2 q* e1 P3 [4 p( X$ V5 o
Panel board
0 t1 m; @1 d" O& ~Panelboard, enclosed8 F9 @: w% P& _6 w
Permanently connected equipment
. w _7 D& ~+ A* HPermit3 H- g; G% P% [4 M
Plenum/ o( x/ N+ g# G
Portable as applied to electrical equipment# E" i. V* n! L, ]+ `( {
Portable ground fault circuit interrupter' H& ]9 @+ S0 ]: w) K2 Y ~7 J
Power supply cord$ b3 |* I# y" {
Raceway& F5 g# c7 u& e5 [7 O
Receptacle
7 D9 T- ]% p8 i$ o4 _0 c P! v Duplex receptacle
- K5 }: Y1 U! g3 F& S" t% L1 {- D6 w/ K Single receptacle4 K r l! h$ v3 T0 X+ `2 B7 Y
Split receptacle
3 W# R: h) i u0 d9 t+ Q& sService, consumer‘s' {+ I6 W) W- s' Z/ G' [
Service, supply
2 B$ O9 W# B/ D+ eService box
, P2 {9 i1 B% e' y4 `0 AService room/ {* o( N* p K4 L
Single-dwelling) `* F5 o1 Z0 M( \9 i7 I& r
Slow-burning as applied to conductor insulation
+ f4 r7 r0 e$ X& aSplitter) }- f3 E3 O2 h: D! H' w7 N
Starter! s( A% z% H) n9 P
Switch
) v( G/ a( m+ p6 X& i! ] General-use switch
7 M( V7 e2 k! ]: P) W, q Indicating switch
. F- {2 e, b* y' {# b% {) }6 c Isolating switch
, J- w3 y! m: i* ?8 F! b( H: G Motor-circuit switch
' q. Q6 j+ l. e8 B' }% TSystem
! D7 ~# G8 b6 l, @0 W1 {7 n Communication system% U2 t2 K" s' h% z5 E* @
Community antenna distribution system(CATV)/ @/ E3 l+ ?# q# r+ l! Z
Grounding system
, Z5 p7 `, [' j- ~5 dUnderfloor raceway, i* n3 J1 o1 V; R& w8 d
Voltage:0 u7 F, C8 z( Z9 u2 k3 z
Extra-low voltage" ^: t) H& R! |. W* [- m3 H+ x
High voltage9 {1 ~; ]% d$ m5 a. y. N3 y
Low voltage
4 e O1 ?9 R$ J* o1 ?" jVoltage of a circuit# J3 d5 h* n6 k& B
Voltage-to-ground
4 f1 S) t& o3 m& i9 H: c7 u MWireway
' j: v" ]5 M- S" C: H5 m. s9 P ^4 z$ f9 E
Section 2 GENERAL RULES
7 e4 F, i" N3 pAdministrative+ s: R0 J9 P4 V, P+ p3 L( z( _
2-018 Reconnection) v: Y) J9 [( }5 J2 y! n
2-030 Deviation or Postponement' Q6 _0 l1 f' @+ ^) d
Technical General
* K( f Z9 y0 o& P+ o2-106 Circuit Voltage-to-Ground – Dwelling units: n( }5 ?4 b% n% V; C( L; F+ h% Q
2-114 Soldering Fluxes, G$ j8 i4 ]# J
2-116 AWG Sizes of conductors
- @9 s- l' o$ H; c3 w, o! O2-124 Fire spread (see Appendices B and G)5 g' y/ P6 W6 {* ?. A- x
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)* M0 U! D$ `8 x2 ?
Protection of Persons and Property( B5 [0 L4 d: F
2-202 Guarding of Bare Live Parts
1 s6 p5 L3 z9 I; MMaintenance and Operation
4 J( G: h4 k9 |+ z4 B2-304 Disconnection. R( M. M, C6 t7 T2 \( _6 y
2-306 Maintenance of Live Equipment/ ]2 j# n4 s& e- F
N 2-306 Shock and flash protection (see Appendix B)0 S5 S3 b. p! c+ D: {
2-308 Working Space About Electrical Equipment: Table-567 s1 `) ]0 d& c& Y% a6 h# i
2-310 Entrance to, and Exit from, Working Space f' b. U+ D( U( ~, R% r6 r( l
2-320 Drainage; ~: T& n4 ^+ k5 D8 ^# _
2-322 Electrical Equipment near combustible Gas Meters and other Devices
9 K5 L$ n! o+ TEnclosures
- b- ~0 G; ], o {6 b- ^2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
2 A, n) E' Y y$ b2-404 Marking of Motors: DP, WP, TE
3 h) k0 `: \* O
* i: X; }+ G, R" HSection 4 Conductors
4 J1 `1 d. m% M, {9 Z4-000 Scope
/ T1 q4 e l& \' y7 v M9 q4-002 Size of Conductors: 14#, 12#
0 B2 F5 s7 j9 [" N4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
( ?! d; y6 a& c, b7 |0 B1 n4-006 Insulated Conductors: Table 194 w6 G- A+ }" [+ M7 v! C
4-010 Uses of Flexible Cord: Table 11
7 {) n" J0 b4 g: C( E# _% o4-012 Sizes of Flexible Cord# O* {5 ]# U( W" f1 i2 }
4-014 Ampacity of Flexible Cords: Table 125 {$ E! f. x! N% o- `
4-018 Equipment Wire* x+ [" ], x+ Z2 H4 o
4-020 Insulation of Neutral Conductors
4 P9 I( A& T. c# N8 g, B* W4-022 Size of Neutral conductor, m7 T" e0 _2 S9 o$ @! ]
4-024 Common Neutral Conductor, z1 S$ z( V6 S# b
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
3 v: z5 G& [$ _* r& Z4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum- ]3 k3 _) p* m/ S. |* [
4-032 Identification of Type MI Neutral Conductors
$ h; S; Q+ B5 f5 i: s) `" s4-034 Use of Identified Conductors" l' F: b, e- G$ \ v
4-036 Colour of Conductors: Phase A, B, C, …
, x+ D' T- r( I2 H5 Q; Q* T8 }0 z: k E7 y! y
Section 6 Services and Service Equipment2 V. j- j* p, G, m3 E6 R
General! [5 T( e, {2 V7 X+ l! ^* F
6-102 Number of Supply Services Permitted* y8 t2 I& K% g/ O0 G8 U6 m% G$ o
6-104 Number of Consumer’s Services Permitted in or on a Building
' H3 X; J: D, W& n. C6-108 Supply Service from an Electric Railway System H/ A$ [( z4 T+ M
6-110 Three-wire Consumer’s Services
2 [9 N/ U: T. s3 r w* b6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors% h7 L' i% w$ X
6-114 Methods of terminating conductors at consumer’s service
; K) l( u* {' ]% g6-116 Consumer’s Service Head Location: _1 C8 {; w% {* P1 S
Control and Protective Equipment8 `3 R8 x* E; s+ i9 N2 a
6-200 Service Equipment: P i6 y% o: N! D' m" Q
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)7 W8 B- g/ S ?7 C: e5 T8 j. ~
6-208 Consumer’s Service Conductors Location: F! p" I/ T$ L' I0 Q4 I$ [
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches; i1 d# |: _3 w& w2 T# O2 S9 c
6-212 Wiring Space in Enclosures
+ O8 ]- L3 h j' D# x" Y6-214 Marking of Service Boxes. c- w1 z. p. _* J- Z' ?
Wiring Methods0 ` v) ~: R: h" e; o/ X
6-300 Underground Consumer’s Services3 `$ k" l [4 i5 U* F5 C9 Z
6-302 Overhead Consumer’s Service Conductors( ^1 R; g# n3 X- F$ ~
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable: n7 m" R4 T' Q2 o) D
6-306 Consumer’s Service Raceways. N! g" F9 v2 X8 P, U
6-308 Use of Bare Neutral in Consumer’s Service6 n0 X4 s# {8 ?! q( f8 L
6-310 Use of Joints in Consumer’s Service Neutral Conductors; G" f" B% y$ O+ |7 d/ a2 s+ n1 ^
6-312 Condensation in Consumer’s Service Raceway! d5 S/ m) K" Z0 \. P2 Z( q
Metering Equipment6 ?% Q# y# r3 a% v+ h6 r
6-400 Metering Equipment
' J7 \) Z) h; o7 L4 h6-402 Method of Installing Meter Loops9 \: o: I6 V& ?9 n* i
6-404 Enclosures for Instrument Transformers
) ]. {+ q% e9 C, K3 {) F6-408 Location of Meters, \; x V6 [- c& ?- o! \$ R! c
1 o- I* ^: p+ G: p9 Y/ e6 WSection 8 Circuit Loading and Demand Factors
' G# G) s+ Y) q; a+ tGeneral$ Q! c+ y, Q8 O" X7 j
8-100 Current Calculations
+ y- C. q; D5 s8-102 Voltage Drop ( see Appendix D)
/ Q. W2 u7 U( V* f8-104 Maximum Circuit Loading
' |4 x; d1 p& o* t5 o; M8-108 Number of Branch Circuit Positions
0 ]& W q* F5 U! e$ t, S! H$ p& V8-110 Determination of Areas
1 K4 l6 G j, s; m1 r7 F' l4 zServices and Feeders
C# z1 R$ c: H) n8 U* Y% M) b8-200 Single Dwellings (see Appendix B)
% o& t5 N: {# J9 h! A' }4 U4 I8-202 Apartment and Similar Buildings
! m. f5 p! |" D8-204 Schools
[ z- ^) S8 a/ g `8 t8-206 Hospitals
" C* }# ]+ e7 ?. `7 ?, K' }8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
; ?& r7 n/ w/ w9 I8-210 Other Types of Occupancy (Table 14)6 d. T$ I9 b' k
8-212 Special Lighting Circuits
8 ^' Z7 ]+ U, P3 N& _% NBranch Circuits+ n/ D9 _) a; c4 U5 l0 X( h; c* f
8-300 Branch Circuits Supplying Electric Ranges t# X, K" Z* J
8-302 Connected Loads
- L: }1 L) i( P D4 B5 |0 P! L! f1 H5 O4 Y( G7 X* E( E7 G. X0 ?
Section 10 Grounding and Bonding$ ]2 s5 d3 M, \9 @$ R$ W
Scope and Object
# O& o5 t4 @4 U* a+ ]1 w0 m10-002 Object
/ ^) W% ]6 V" K( i* w$ _: bSystem and Circuit Grounding" }) j9 v0 R0 i% e
10-102 Two-Wire Direct-Current Systems% e& m6 K3 J: q5 N5 T0 G! Q* n% ?
10-104 Three-Wire Direct-Current Systems
8 Q# z+ }0 ^; X7 B10-106 Alternating-Current Systems7 e. V$ E+ H* z3 \ J# |3 k2 r: g
10-110 Electric Crane Circuits
3 V' s0 r1 P! U. m3 b$ F3 y10-114 Circuits of Less Than 50 V
/ G+ m$ t& f' h6 `5 O# X10-116 Instrument Transformer Circuits
7 I$ i( U+ h% x3 R- f, UGrounding Connections for Systems and Circuits
# @6 o$ n) U4 o0 R L10-200 Current Over Grounding and Bonding Conductors' i: ~8 g( b7 e# |' y$ |
10-204 Grounding Connections for Alternating-Current Systems
; k! j- q& S) O% C @10-206 Grounding Connections for Isolated Systems
# Z+ o$ D+ o( B8 u10-210 Conductor to be Grounded+ \% f a7 ?0 S2 M$ `1 X" ^' l4 X
Conductor Enclosure Bonding
; Z4 j% Z0 K& ~# }1 `10-302 Other Conductor Enclosures
5 t# w% M8 d0 WN 10-3048 \+ r* ^7 f+ x3 g h) q- o7 H
Equipment Bonding1 m) r9 x7 l5 u6 d7 k
10-400 Fixed Equipment, General5 S3 R+ c5 J7 F: M
10-402 Fixed Equipment, Specific (3), (4)* _* \& r) j9 K6 R) x
10-404 In Nonmetallic Wiring Systems) o6 e g3 {1 A" w F
10-406 Non-electrical Equipment
- J! Y7 G6 n6 c& `! o, E10-408 Portable Equipment (4)(b)
$ w; s; _1 y. ~( J10-410 Instrument Transformer Cases2 k8 M; J3 _3 H- i+ J9 ^
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
9 ~: b, |. \ J( J/ n2 e0 D2 N10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V s/ ` J: \* B# ~
Methods of Grounding# X- ^: `( m. Z E! z& Q
10-500 Effective grounding (see Appendix B)
4 e7 P4 X% w$ \+ E0 s* K$ N: ?10-502 Common grounding conductors+ p! C: R1 u- G1 M* C0 n1 b9 ~8 E
10-504 Common grounding electrodes
8 m% y. O0 t4 j! B pBonding Methods
# |3 B$ v& X- F; r' } e10-600 Clean Surfaces+ s; @9 j2 r/ b$ ]/ A
10-604 Bonding at Service Equipment
9 I$ k1 d- _& z" q8 U10-606 Means of Assuring Continuity at Service Equipment
J/ S$ R- D; {+ @$ a10-610 Bonding at Other Than Service Equipment
8 ^: H" o0 W! ]+ O2 D10-612 Loosely Jointed Metal Raceways
* t B& t( H* g- ?# X! _10-614 Bonding Jumpers Table 41/ x; M! a: x! h' D4 p: `
Grounding Electrodes
2 Q" {* _ H3 J$ s W Q10-700 Grounding Electrodes$ s, V# E( ?0 T
10-702 Artificial Grounding Electrodes
0 x1 u, v6 x/ fN 10-700 & 10-7020 _5 C4 B* t' Y, F
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)7 W& t( {3 j! T$ D; k
N 10-702. J' `0 ]6 q- G! g$ _
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
2 x0 r1 k- s9 K; ~7 c( `( f: @N 10-702
/ e1 j$ E% u- t" n) c2 {10-710 Use of Lightning Rods (Appendices B and G)
& B5 ?7 q! H$ RN 10-706
% l- @( s8 `: Y% H# `Grounding and Bonding Conductors
/ E1 r2 B8 u; `- D5 c7 L10-800 Continuity of Grounding and Bonding Conductors3 @, u' f' v9 l0 l L" U
10-802 Material for System Grounding Conductors
" ]- W7 @! `( a2 j10-804 Material for Bonding Conductors( ^; m; a+ z, C- q) I" ~* H
10-806 Installation of System Grounding Conductors5 l0 S- I1 W( O% m% s. G
10-808 Installation of Equipment Bonding Conductors
) ^ X! Q+ {9 V: r& P5 n# f10-810 Grounding Conductor Size for DC Circuits
# C. I0 m4 r0 Y! y& x& p10-812 Grounding Conductor Size for AC Systems (see Appendix B)
- S+ Y7 s, V/ s3 ?# m3 q/ n4 }* C: _10-814 Bonding Conductor Size (Appendix B)
2 [. V: ^- P' x( r X10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment+ M1 Z5 U6 ~/ D
10-818 Bonding Conductor for Outline Lighting4 R( }5 R& C! `! U! R
10-820 Bonding Conductor Size for Instrument Transformers7 [3 @: X0 @2 R$ Q* K
Grounding and Bonding Conductor Connections9 t# g0 Z( M/ g6 y& ?
10-902 Grounding Conduct Connection to Water Pipe Electrodes
5 v2 h6 o. |( G7 s+ D10-906 Bonding conductor connection to circuits and equipment
: u( q: ~! x2 m% l10-908 Grounding Conductor Connection to Electrodes$ [8 z& j+ E$ R6 g* H( B! b
Lightning Arresters: S* {6 E" L6 y% H7 J
10-1000 Lightning Arresters on Secondary Services – 750V or Less+ `+ g; _( K+ Z
) v& o; |, u9 d# e+ c0 VSection 12 – Wiring Methods/ [( |5 k9 P( N x1 e$ c3 R
Scope4 k- X& R1 ?3 _2 H
12-000 Scope (Appendix B)
7 k {( X' @* n1 O! DGeneral Requirement, p7 P ^" p% g
12-010 Wiring in Ducts and Plenum Chambers7 Z: w7 N" @( A
12-012 Underground Installations (Appendix B)
\3 n( N! M% h: ]7 ?, F, u/ X12-016 Lightning Rod Conductors
" D4 j; d1 N$ C' |8 M. o6 }; dConductors - General K" _; }8 ]7 A! V, M2 \
12-100 Types of Conductors (Appendix B) Table 19# N9 c. m/ S( }. f& K0 E- j% l
12-102 Thermoplastic-Insulated Conductors; L8 T [: a! U8 {
12-104 Flame Tested Coverings9 k5 M2 X) k f1 I% K
12-106 Multi- and Single- Conductor Cables
0 v/ r& c! X" U12-108 Conductors in Parallel (Appendix B)
$ W. R0 _& H. N8 f' I12-112 Conductor Joints and Splices, x' h% b4 S1 D7 r& M
12-114 Ends of insulated conductors
+ q9 {9 G3 ?% h12-116 Termination of Conductors (Appendix B)
! ]4 @) d7 T" ^% c! I12-118 Termination and Splicing of Aluminum Conductors
1 v3 R0 R( G% v9 z3 q' F12-120 Supporting of Conductors - Table 21( R0 Q6 v4 M0 L5 `
Open Wiring
6 P9 r2 J+ F) \# v0 \/ T12-204 Spacing of Conductors
7 B$ G& B( L8 S7 [( |) D# t! q12-206 Conductor Supports
; j3 R& B% p2 f& a2 u/ a+ Y9 L12-208 Conductors on Flat Surfaces
: z; j" t* c1 M' v2 K12-212 Protection from Mechanical Injury
! y) k' A2 b: I" S- iExposed Wiring on Exteriors of buildings and between Buildings on the same Premises& y9 a& x0 h+ M+ y+ x6 w
12-308 Minimum Size of Overhead Conductors' N c: _( d8 c* E$ O
12-318 Use of Neutral Supported Cables
5 E2 {2 ~# o# S) \2 `1 eNonmetallic Sheathed Cable
, A e$ b8 x+ p2 z ~6 {12-502 Maximum Voltage4 v, j( P; O0 M+ K
12-510 Running of cable between Boxes and Fittings (Appendix G)
2 q9 h6 Y; R3 H: V12-514 Protection on joists and rafters1 F( O$ P9 g% X* `
12-516 Protection for Cable in Concealed Installations (Appendix G)9 j' p" c. U5 `: Q# E
12-522 Where Outlet Boxes Are Not Required3 ? W% T, b6 l& M9 z: |4 _5 z
Armoured Cable. s: r) [+ q' l0 B# j5 G; h
12-602 Use (Appendix B)$ [( K7 N- }- F, x, j# h p
12-604 Protection for Armoured Cables in Lanes. n# J$ |% `5 F
12-606 Use of Thermoplastic Covered Armoured Cable7 A: P w! N7 D) b& T0 ]
12-608 Continuity of Armoured Cable
+ U' u, X, t5 j, ]1 g6 q0 m12-610 Terminating Armoured Cable5 d' z. q1 `1 [, @+ _" m
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
2 k* o) l, \: Q# d12-614 Radii of Bends in Armoured Cables
8 B6 F8 D |/ n- D8 @12-616 Concealed Armoured Cable Installation% a4 `3 Z J9 h- A1 t! E
12-618 Running of Cable between Boxes, Etc4 D) a2 j: F1 |6 p1 j, Z
Mineral-Insulated and Aluminum-Sheathed Cable/ b) _0 i1 W1 k0 q. ^# C
12-702 Use
0 r5 |, u9 |2 c3 W9 ?12-704 Use When Embedded1 N- s7 Z! o {1 n$ ~
12-706 Method of Supporting) H, r2 I" h* B4 ^9 K: p/ M' L
12-708 Direct Earth Burial& E7 W$ z8 w5 e5 {) S
12-710 Mechanical Protection
4 P$ v# b. x8 ?12-712 Radii of Bends
4 y6 |4 W7 o3 a- p% g' e12-714 Termination of Mineral-Insulated Cable (Appendix B)
! ~. S4 I( j5 n) ]12-716 Connection to Other Forms of Wiring
c( R) u; l5 B4 ~2 O$ n$ QFlat Conductor Cable Type FCC
+ r- R& `6 [7 S9 e12-804 Use Permitted
9 S3 k, q( r! ~7 g12-806 Use Prohibited
. D) ^5 L; K8 K1 y2 X- L12-818 Anchoring
7 U8 j0 ~. d1 W5 n; a12-820 Crossings$ x* I: j9 i! F8 r3 Q, j" M
Raceways - General3 ~! G v9 O- D" n+ m! K
12-904 Conductors in Raceways
# T, N( C8 N* f( J \12-906 Protection of Conductors at Ends of Raceways9 z; C. K; f6 i! A, p, L N
12-908 Inserting Conductors in Raceways
6 T! q& A) B( W; i1 s/ {12-910 Joints or Splices Within Raceways
- { ~: e. C, Q/ j12-912 Stranding of Conductors# ~3 Y7 \# r+ U; k. F4 @
12-914 Electrical Continuity of Raceways! T. [ c3 l3 X# o' K
12-922 Radii of Bends in Raceways
; M" Z! ^9 d) P8 w) m; P% s9 oN 12-922 Radii of Bends in Raceways Table 74 r- g0 N9 ]4 j' Y8 E0 J9 J
12-932 Protection for Raceways in Lanes
$ f& o6 D# T7 ?( K' e12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)+ v# d$ \4 ?1 N1 H) ]
12-938 Capping of Unused Raceways* r. u b# }5 t
12-940 Maximum Number of Bends in Raceways
/ d- M+ ^1 P- x/ KRigid and Flexible Metal Conduit
& n' s: C0 C# y& i0 l12-1002 Use
7 i4 g; [1 Q, {5 { h: \# B12-1004 Minimum Size of Conduits
" w$ j& [( D' X% b* J3 Y# ]12-1006 Conduit Threads (Appendix B)4 _+ i {9 u( ~& X" F$ R% W0 V
12-1008 Thread Engagement4 q Y! D( I+ U/ y, z6 m
12-1010 Maximum Spacing of Conduit Supports
! J0 `5 N. r5 J12-1012 Expansion and Contraction of Conduits (Appendix B)
" } }6 J% h2 O" E* L) W: g12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
" N0 @) x, e& Q' l& kRigid PVC Conduit and Rigid HFT Conduit# Y s( S& [4 k$ e
12-1100 Use1 f* y7 S: ^/ D8 N- j
12-1102 Restrictions on Use
% n) s' D7 N: i8 U- t# u# s5 \12-1104 Temperature Limitations (Appendix B)+ A5 k* @5 s1 X3 [
12-1108 Field Bends (Appendix B), (2), r/ Z0 t5 k7 ~
12-1110 Support of Luminaires& a; a! h/ ^ M2 D/ I
12-1112 Fittings z$ i+ d: [0 A5 \6 d% Q- d
12-1114 Maximum Spacing of Conduit Supports
) U7 j" J# ^) K7 L, Y8 S' Z12-1116 Support of Equipment! ]: f m0 Q `: u7 n" k
12-1118 Expansion Joints (Appendix B example)( N5 F' O7 v( q
Rigid RTRC Conduit* M7 T! r& X( j% v9 J$ u! D
12-1210 Temperature Limitations. K! I5 U) n6 o* m0 |1 e I
12-1214 Expansion Joints (Appendix B)
7 s- L! h6 L3 q; j0 H7 A: GLiquid-Tight Flexible Conduit
$ _$ ^$ D8 p. h. G12-1302 Use of Liquid-Tight Flexible Conduit2 {# K- j# n* p- m) p% J
12-1304 Maximum Number of Conductors
2 W" p: M! d; W: ]6 I& o3 L12-1306 Provisions for Bonding$ U% m' e; N+ Z/ w/ w1 _
Electrical Metallic Tubing* e& E4 g1 O3 a- k) N
12-1402 Use( D# f1 t$ N* t! j8 }6 Z
12-1404 Supports* W3 Q( L2 q {
12-1406 Minimum Tubing Size$ y7 r3 w2 g0 `$ t2 }, n$ X# O
12-1408 Maximum Number of Conductors$ P) n8 x6 U( |
12-1410 Connections and Couplings
+ q3 b7 H- c7 Y P( Y- H% g12-1412 Radii of Bends in Tubing4 r& r# l6 ~, F. ]: H& e
N Table 7$ m) Q# g% ~; p8 N$ w+ E
Electrical Nonmetallic Tubing
( j- s3 i) b' [1 _5 a+ b7 I* O12-1516 Provision for Bonding Continuity
# D; I4 a3 p/ {N 12-1514
; u+ @4 ]* y+ S3 RSurface Raceways
. Q3 ]# d; e) I, I( K$ S3 _5 b1 C12-1602 Use of Surface Raceway (Appendix B)
, b4 v( z! ^- N* x+ S! L12-1604 Temperature Limitations, n: `4 H7 s% _" ]0 A
12-1606 Conductors in Surface Raceways (Appendix B)
- v2 U) z+ ]' }" u& B12-1608 Maximum Voltage3 C$ y/ f: H+ D5 ?) g. u7 ^
12-1610 Joints and splices 8 [; ~ m" G$ U
Underfloor Raceways
5 H% H+ z. J G/ X# W9 l' M4 ?12-1712 Discontinued Outlets in Underfloor Raceways0 K1 v/ p; v7 e, |& _- ]
Cellular Floors' D- e t. K8 G. q" ]* h
12-1804 Maximum Conductor Size in Cellular Floor
# B; C/ o( A- M12-1820 Cellular floor discontinued outlets g5 {: M e* U4 d2 b/ M+ w/ _
Auxiliary Gutters( L/ D/ E8 R& h) g, j# w
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces2 w0 f' `' Y! p. [2 F* q+ X7 n2 Y9 T
12-1902 Auxiliary Gutter Supports
! }1 k! I$ D" G/ k2 q; v8 j12-1904 Auxiliary Gutter Cross-Sectional Area/ j; s4 S) B& ]( X
Busways and Splitters# ~3 O: X* X, @& g) S% i$ l
12-2004 AC Circuits in Busways and Splitters& Y/ n1 {/ o3 e$ B* Y, Y6 l P
12-2006 Busway and Splitter Supports! Y; Z" q6 k: g+ c7 O
12-2008 Method of Installation of Busways
- z( I) m3 c7 |- ^; I. j12-2012 Reduction in Size of Busways
- w* Q; i9 N3 L12-2014 Length of Busways Used as Branch Circuits
( e3 h1 B1 F; {# S12-2018 Taps in Splitters
9 d/ }* D& j, n8 v1 P6 Y' [Wireways' T2 K, p* J% a" {3 c% I( `
12-2104 Conductors in Wireways
/ w+ U* }; z* ~/ S4 C' }0 O12-2106 Taps and Splices in Wireways
3 Y0 I6 _; d3 I Cable Trays
0 J9 l7 C& i* S e3 q12-2200 Method of Installation (Appendix B)3 s0 x# ~# P! v$ K7 w( ~( W
12-2204 Joints and Splices Within Cable Trays
6 z0 L t5 R' s12-2208 Provisions for Bonding( | D$ J+ v8 C7 T. m( n1 o
12-2210 Ampacities of Conductors in Cable Trays
. \- _& ]1 N. @$ g3 \$ \& mInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
* Q) C" }9 _) Q1 r$ R12-3000 Maximum Number of Outlets Per Circuit# H+ i# z8 Y% O7 s6 `$ J
N 8-304
8 ^( b$ ~5 M! |: r/ O5 p12-3002 Outlet Boxes (Appendix B)
" B5 ^/ v: F. V- c' g# ]N 12-3000
' z% g0 |2 ?8 i$ |0 N! R12-3004 Outlet Box Covers
2 p% x& r5 T7 v! EN 12-3002: Q3 P; }) p, A; m
12-3010 Boxes in Concrete Construction9 J8 H/ o) ^, c, R2 ~3 g- i8 j. S
N 12-3008: E( N# ~1 [" G C9 Z& x7 _
12-3012 Outlet Box Supports8 D2 o3 ^# J: T! t( G6 H
N 12-30105 x0 A) ? f3 k
12-3016 Accessibility of Junction Boxes+ m- e6 {3 c5 Q! | [ L
N 12-3014% m* Y: N5 v* \
12-3018 Flush Boxes, cabinets, and Fittings% z1 b( J5 v/ ?: J" u- t7 m
N 12-3016
, \( X" `; x |! ?' Y0 k12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 3 j5 w4 A) S. ~0 c' g% y
N 12-3022
3 ^( ^0 z6 S" A% `% L9 m2 j/ i12-3036 Maximum Number of conductors in a Box - Table 23& @: T( U: Q& t9 ~: c
N 12-3034
* N5 y$ `+ _0 x9 ^0 l. d W* ?" @; o12-3038 Pull Box or Junction box Sizes+ k/ e8 O5 y6 [) D
N 12-30364 @! T4 d/ _/ n' t' C6 T' o
9 P6 z. {) p1 C. H# d. ~3 e w
Section 14 Protection and Control
1 P E0 ~: [' ? F# ?General Requirement7 Q5 k w. ~8 v( o6 h4 [4 I
14-010 Protective and Control Devices Required
, L: R! \9 |" @14-016 Connection of Devices$ y8 J5 _% Z0 p: ^/ _" L6 S3 W( U
Protective Devices – General7 @' g1 H6 h1 G* E7 k
14-100 Overcurrent Devices Required! s! ^/ }; Q( s
14-102 Ground Fault Protection (Appendix B)$ I. T% e1 _ Z9 `
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
2 ]+ ^! z* ~# K# v14-112 Overcurrent Devices in Parallel" p7 e' A5 u/ Z* W* n; @
Fuses
7 J( I& J" R% c, y/ ~- Y' `14-200 Time-Delay and Low-Melting Point Fuses E, b$ ], x. z5 Y
14-202 Use of Plug Fuses
* e' F' w/ P% [1 G, x1 j' O5 r- j14-208 Rating of Fuses8 Z1 r$ `: f+ d
14-212 Use of Fuses (Appendix B)3 _& j m* a1 T
Circuit Breakers
9 v+ j; p5 `5 p4 {! k14-300 Circuit Breakers, General
5 Y5 o5 p1 b" U" J+ d14-306 Tripping Elements for Circuit Breakers( x! u5 N0 B, O R, A3 a
14-308 Battery Control Power for Circuit Breakers) m; z# K) a5 E- @: a
Control Devices - General
* ^. w8 m" ~- a) i4 x1 i14-402 Disconnecting Means Required for Fused Circuits
* f% D- ]: R% s, S: nControl Devices - Switches
9 s8 [2 o3 d K n14-502 Mounting of knife Switches
! Z' Q' H3 U8 m$ z$ E14-504 Maximum Rating of Switches
% S' M) Y4 L4 h* O$ e! T4 Q0 X14-508 Rating of General-Use AC/DC Switches (Appendix B)7 y' Y3 ^- p; y' ~/ v6 s8 }
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
5 {+ U) k$ C: \: b) TSolid State Devices
! T' l2 } a G8 J14-700 Restriction of Use
5 m+ S4 R2 ]9 T- r( b7 v14-702 Disconnecting Means Required; @$ Y" t X" l7 C
P7 Y! I- j2 P/ |+ K. s$ q2 H3 t
Section 16 Class 1 and Class 2 Circuits
0 I" _4 w0 q! UGeneral
6 r, P0 ^# a, ~) p- i: k' Q' ^16-004 Class 1 Extra-Low-Voltage Power Circuits1 [8 j# v/ z* h; H
16-006 Class 2 Low-Energy Power Circuits& X9 D" v0 Z" _1 g0 k
16-012 Circuits in Communication Cables
0 |5 P# x" {. C' yClass 1 Circuits8 T$ O1 H: d. O% ` @0 A$ k
16-100 Limitation of Class 1 Circuits
: ^% h1 ]6 T% I1 w7 Q7 Z# F16-104 Overcurrent Protection of Class 1 Circuits& @8 F% e. z2 d9 ]! [% ~" ^; |
16-106 Location of Overcurrent Devices in Class 1 Circuits
! x9 ^7 I/ H. Q, d16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers* G+ H N$ n* Z, l& B4 Y( u
16-110 Conductor Material and Sizes
1 {9 Z/ b7 F, s( X/ g0 \16-112 Insulated Conductors for Class 1 Wiring
/ K2 \6 v- b [. p& KClass 2 Circuits. v$ `6 ]* h _% c
16-200 Limitations of Class 2 Circuits (Appendix B)" `2 c9 A, x* g! A3 Y7 O) n2 ^6 u: Z
16-204 Marking
3 z0 Z. q, S! A6 e3 J16-206 Overcurrent Protection for Class 2 Circuits
) q. G- A5 ?+ H5 c+ M6 X9 l16-210 Conductors for Class 2 Circuit Wiring (Appendix B), A; h2 N& S2 G5 O
ELC: extra-low-voltage cable
9 }' L; ]$ x+ \8 J, g# r; [- w/ g16-212 Separation of Class 2 Circuit Conductors from Other Circuits
$ Q3 ?- C2 \4 E: }; m: r- Y" [; ?
9 D5 C, a) B/ |9 x) zSection 18 Hazardous Locations v/ r1 u& ^- B6 a0 Z1 l9 X
Scope and Introduction) x3 V2 D/ n% o* {/ r% L' a! m$ x) @# |- h
18-004 Classification
9 B, k6 j- B; ~! X( B) Z: _$ H+ [18-006 Division of Class I Locations (Appendices B and J)8 S8 N }) s9 ^ Y
18-008 Division of Class II Locations (Appendix B), \1 n9 W9 }4 H* r
18-010 Division of Class III Locations (Appendix B): H: I. i. Q. j, Y, o6 h+ M7 g
General& ^# r) S. V1 j5 U. E
18-062 Metal-Covered Cable (Appendix B)
# `% g" [* s+ y& I; ~) w# {5 U* }Installations in Class 1, Zone 1 Location6 g7 n, n+ u* X1 W9 N
18-108 Sealing, Class I, Zone I (Appendix B)
# [. P; C- J* j2 ^' O1 j% p6 \' Y8 `( n6 }
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
0 H) u8 S/ J. d1 MGasoline Dispensing and Service Stations$ \$ y2 S$ Z% W3 d5 k) {
20-002 General
5 Z- g# s1 j- `4 P, t; L9 r/ A" d e20-004 Hazardous Area (Appendix B)9 I* y; u( Q# u7 ~$ W
Propane Dispensing, Container Filling, and Storage1 C) P5 G* E$ \! p6 d2 `- g* Z, i+ i
20-034 Hazardous Areas - Table 63& j' Q4 V: D/ e( L+ D7 C& j
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities2 H5 p) ]+ c6 c- I8 Y; Y% j( a
20-062 Hazardous Areas* [7 H2 V7 v3 U j0 e, U/ C0 k
Commercial Garages – Repairs and Storage+ L! `- i) o: z8 K
20-100 Scope
" @8 R' Z: s3 l5 r" ]& Q( P20-102 Hazardous Areas (1) , L6 S, P1 z0 h, ]! h5 U8 H
. L1 h2 C( g! N1 Q1 w* N' G& cSection 24 Patient Care Areas
, ]. u: |- Z( a. l0 X% R24-000 Scope (Appendix B)) a4 X0 J J+ O2 j8 ^3 {0 w% J$ N
24-002 Special Terminology (Appendix B)
: g( ~$ Y6 N( w1 c3 \. E Patient care area0 r1 @ F' v8 D7 E2 }
Patient Care Areas' d- F, n0 j; p9 t
24-106 Receptacles in Basic Care Areas (Appendix B)
6 k# d a$ ?3 d0 J gIsolated Systems
3 z0 V1 M1 o$ k24-204 Single-Phase Isolated Circuits (Appendix B)' [0 u1 G2 v1 X) Z/ ]
24-2065 f0 |7 ~8 Q: P: j
5 X y& p% q; X0 ~6 USection 26 Installation of Electrical Equipment. h3 L2 m% t( p# O& q
General0 y$ p/ O8 [# w8 z( G
26-004 Equipment Over Combustible Surfaces (Appendix B)
4 V2 y* c* u0 e6 g26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
9 a, L+ I* R7 ^+ Z Isolating Switches: o" _) P; V0 c9 O+ a* W% V
26-100 Location of Isolating Switches
# u" H& D) F3 J% U7 z# s; WCapacitors( T8 S; h( E+ C2 O
26-204 Guarding of Capacitors4 K: k1 X2 b* x7 c2 K$ y
26-206 Grounding of Capacitors
$ t; @+ T9 R7 } \& |8 B) n$ f, H' e26-208 Conductor Size for Capacitors
5 `/ [. _# Q7 B2 [6 Z26-210 Overcurrent Protection (Appendix B)
% p% B; A9 O" G6 H) O26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits d" J \: b. D7 a' n
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
' p' F# R% a; e G, ~, t# _26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits# A, v2 c( t1 D
26-218 Special Provisions for Motor Circuit Capacitors
$ F( [& q$ \1 Y3 b A26-222 Drainage of Stored Charge of Capacitors
C9 H/ h/ e5 ~1 G! s+ YTransformers
6 a* _& ]; Y G7 _* {4 E26-240 Transformers, General: M* W) L) I+ G9 X2 ~5 f
26-242 Outdoor Transformer Installations7 t) R9 D$ k) L1 R8 Y; v7 q0 I! _# s
26-244 Transformers, Mounted on Roofs (Appendix B)
# j7 _- s& L" u* F+ y% y$ K26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)/ Y- ~6 }$ d5 ^3 w
26-248 Dry-Core, Open-Ventilated Type Transformers% U P& [5 c# x3 v9 H _
26-250 Disconnecting Means for Transformers
$ l' k- ~3 d/ @5 l( M3 L8 m/ v26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V( [: B, W5 d2 d' Q. R+ J
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers1 ?* O, W1 C* o: @: D! r! X, p
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
+ x; ^5 L/ o% Z' K26-258 Conductor Size for Transformers
7 e3 ^* l% H6 W* V6 I& G26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
+ J1 G1 s8 K# g5 I& V8 N: D9 T- a26-262 Marking of Transformers
: q; ^* z+ E# T* E26-264 Auto-Transformers
* W( z. _* U' i4 N- `Fences
1 ^1 Q' B E2 S& B26-302 Clearance of Equipment - Table 33
# @. c7 n& v& F- zPanelboards
0 B5 ^, J% w- u& _- ?+ V26-400 Panelboards in Dwelling Units (Appendix B)
* H! J F! U [9 Z26-402 Location of Panelboards (Appendix G)
& [, l/ F# t: p9 s9 \6 N( W" I! _Lightning Arresters+ T# |5 D1 V. v r. r1 A; R9 u t; }! n
26-508 Connection of Lightning Arresters& @0 B5 [8 L7 _) X: m0 T2 {
Storage Batteries
9 n! L* z+ b) }6 `& X26-542 Special Terminology m& q/ A1 F/ g" t
26-550 Battery Installation
& O0 V* l+ V$ I! J- L8 H6 E26-552 Wiring to Batteries
7 B( m/ l y$ I5 d5 X; H4 tArc Lamps9 x L7 O; @0 h% @% ? v3 T
26-600 Location of Arc Lamps! F+ }6 y$ l- b
26-602 Conductors to Arc Lamps
) o7 k& m; @4 v. U# @26-608 Globes and Spark Arresters
$ E/ F8 @! T6 h/ yReceptacles- `- d* ]0 U) k, {
26-700 General (Appendix B)
* J; N! o X/ R# m. C26-702 Receptacles Exposed to the Weather3 s* r2 S0 q- j5 _% Z \
Receptacles in Residential Occupancies
6 |& P$ R8 v0 w3 c26-710 General (Appendices B and G)
3 X7 \" H$ o+ U7 _( j' }% p26-712 Receptacles in Dwelling Units (Appendices B and G)
3 d/ `2 o5 ]% z" p! `0 B26-714 Receptacles in Single Dwellings (Appendices B and G)
% o! L5 d" [3 wBranch Circuits in Residential Occupancies* a8 k$ ? r; E9 y" s6 z
26-720 General9 d5 X' R% }6 i9 t4 A/ i
26-722 Branch Circuits in Dwelling Units. T9 O6 \' |& _8 n$ x
26-724 Branch Circuits in Single Dwellings$ _. c. \. f; ]$ x2 ^+ ^
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
4 U2 y! G, z* fN 26-720 (F), ]1 P9 F: Z1 F2 V/ S. e
Electric Heating and Cooking Appliances
4 S# ` ~4 s% A; ]26-744 Supply connections for Appliances
% Q3 ^9 M+ @8 ^# Z' i26-750 Installation of Storage-Tank Water Heaters H M3 b3 L2 \
26-752 Infrared Drying Lamps
" q7 w, X' n7 o- Z& t8 r
7 d# ~3 F* Z6 X3 I7 cSection 28 Motors and Generators
3 _4 y3 n* S T) t" m) w7 p G; ]General
. d; z" K3 M) @$ m9 R* }: L5 x( r- P28-010 Special Terminology( Y* k' p( ?" I3 m5 j
Hermetic refrigerant motor compressor# K+ W+ h3 k1 z, b& B2 Y! A
Locked rotor current rating' T! h5 Z% x7 e# @8 l# J8 J6 f% b
Service Factor: S) i0 U; e8 j1 V" ~; d
Table 44; Table 45; Table-D2( c7 _6 N4 n' U' p
Wiring Methods and Conductors& ?8 v6 g2 t. a4 Q
28-102 Portable Motors) a# \8 t* K1 }* |( ~" f
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity3 r( `- l, ^: B. L0 I
28-106 Conductors, Individual Motors
* t& }8 W. m: \' j; i28-108 Conductors, Two or More Motors0 n. \: b* H* w' B+ H; g4 x: a
28-110 Feeder Conductors
# L* s; @' \- H5 r28-112 Secondary Conductors) S: y/ `3 f& k- a& n
Overcurrent Protection
5 g6 w; K# [0 V0 n! C4 O28-200 Branch Circuit Overcurrent Protection k, N- A% M- a" l
28-204 Feeder Overcurrent Protection
6 \2 b! k( O3 t28-206 Grouping of Motors on a Single Branch Circuit& k$ l9 B, i- ^! t1 L
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)/ s' A) @: p# ^" A
Overload and Overheating Protection( Q8 k6 v. _3 h
28-302 Types of Overload Protection
! a+ u% f4 S8 R, _ M28-304 Number and Location of Overload Devices (Appendix B) Table 25
9 |3 h/ P, L8 U* X- t. g5 b28-306 Rating or Trip Selection of Overload Devices (Appendix B)
8 ?4 `% n0 T; _9 K28-308 Overload Protection Not Required, I; Y; P% h% D( o- a A0 O" q8 t$ B
Undervoltage Protection , k& d, E; h2 `) n' ?
28-400 Undervoltage Protection Required for Motors (Appendix B)
4 v: @- A" A& z; \5 m* M: ZControl
& p" Y# b; H' U _28-500 Control Required3 K$ h4 C* `, [( g# z$ N4 @' }' D
28-502 Control Location
s. a* [, I) V' j28-504 Starters Having Different Starting and Running Position
% p! r9 N- t, T28-506 Grounded Control Circuit9 h7 m3 U1 E3 k# P, b. p
Disconnecting Means* c% H( {7 } B3 q2 O
28-600 Disconnecting Means Required0 m& _5 ^% a( r& A
28-602 Types and Ratings of disconnecting Means (Appendix B)/ ~/ L1 M# m( U) D x
28-604 Location of Disconnecting Means
7 j. |8 w- i- b9 S5 A Hermetic Refrigerant Motor-Compressors. k8 ^, b& @. m. C6 l/ }$ {
28-706 Conductor Ampacity
+ M; u- h, G- Y+ Y, u1 c28-708 Overcurrent Protection
' P& N- v7 \2 c, v* G28-714 Disconnecting Means
1 x/ A+ a' `3 }/ DProtection and Control of Generators* o- S& @+ N q0 _2 m& J
28-900 Disconnecting Means Required for Generators
: P3 Y: [% R) W' _6 F28-902 Protection of Constant-Voltage Generators& f/ |2 n/ x/ Y+ ~/ D
28-904 Generator Not Driven by Electricity$ Z3 N7 T$ P5 ]; @, S+ G- a8 N
28-906 Balancer sets
3 U. N- S: {8 V* h6 x. v28-908 Three-Wire Direct-Current Generators U% x8 v- j2 c: C' b- d
4 C" ^3 o1 l# N9 |5 MSection 30 Installation of Lighting Equipment, a5 O _5 `+ j9 {$ B. M2 s. E
30-002 Special Terminology (Appendix B), S9 Y: y5 w0 j7 ^# y2 o9 S8 C
General
: ?, K$ I+ J2 D! g& R, I30-102 Voltage, V1 V o% K1 B: J
30-104 Protection (Appendix B)
5 `. _% d! v, @8 G30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
0 _$ G4 m6 m. {) b2 t7 w0 T, b30-108 Polarization of Luminaires2 q' D) f3 _) f1 a* {% M
30-110 Bonding of Lighting Equipment* `/ k, G6 f9 W# V
Location of Lighting Equipment& A8 x5 |1 P- D. I. l
30-200 Near or Over Combustible Material
% k$ l5 {0 p+ z( {1 G' O4 S+ m30-202 In Show Windows
9 q9 ^) a7 \( M4 T; O2 e0 k" _9 G# f) i30-204 In Clothes Closets
0 d& \2 h& Q# wInstallation of Lighting Equipment
" c$ n- d s. t E9 l( [; S30-302 Support
3 q0 ]4 J6 T& o- j6 W5 g30-304 Outlet Boxes to be Covered8 C) O- \, o0 n
30-308 Circuit Connections
: j. v% Z, i" t5 W( t9 w! D% p30-310 Luminaire as a Raceway6 U$ g% Y+ i% h' K( |
30-314 Minimum Height of Low Luminaires
) p; m# @9 X0 J9 ^; Y30-316 Luminaires Exposed to Flying Objects, J/ v* [; }$ ^3 S# p# f7 l
30-320 Luminaires in Damp or Wet Locations
3 ^3 J+ N% k2 v5 u8 NN 30-318* i+ f, `) L. H$ q( y. g% {
Wiring of Lighting Equipment! |3 J$ K! y* F8 r3 I* r7 w9 z
30-400 Wiring of Luminaires9 j m; I1 j6 O6 q5 H+ W( g6 R
30-402 Colour Coding5 ^& O- \# M; r
30-404 Conductor Insulation
7 M" p7 l" J+ [/ L4 T9 u! g30-406 Conductors on Movable Parts
! I3 r: }6 S3 q" g4 f30-408 Wiring of Ceiling Outlet Boxes
9 n3 W' _0 E I. B3 z; w9 N30-410 Wiring of Show Window Luminaires3 O4 S! I$ r: @
30-412 Tap Connection Conductors
& n( D( u, y- p2 V2 T6 o& s# i {Luminaires in buildings of Residential Occupancy
- U+ W( i# Y) W9 n. d30-500 Lighting Equipment at Entrances (Appendix G): Q' P' n9 }) U l4 y2 c0 b" Y
30-502 Luminaires in Dwelling Units (Appendix G)8 I$ H2 B& C& k/ l4 C; j3 @
30-504 Stairways (Appendix G)
/ M/ K5 x e' y2 G30-506 Basements (Appendix G)" g3 b( u: `$ X9 G* D8 y
30-508 Storage Rooms (Appendix G)
& }) G% Q7 t# e1 H. [3 q8 @30-510 Garages and Carports (Appendix G)
5 T8 c& D3 w O2 @) V# B% O! CLampholders
) E8 m" K+ f( ?& a' L30-600 Lampholder rating with Incandescent Lamps4 e5 T! m4 u c8 U2 Q" {, V0 Q
N CANCEL/ c1 O2 I4 c4 i# ?6 {; D' r) t/ _) p
30-602 Connections to Lampholders h# c5 _1 n- A/ j* {
N 30-600# n1 ?) c8 i0 f% Z3 @2 d
30-604 Switched Lampholders Used on Unidentified Circuits
8 z3 C$ G: G7 W/ ^0 ~7 L) fN 30-6029 q2 X% l7 z" k
30-606 Switched Lampholders with Pull-Type Mechanisms& F& J6 F8 _% O; q3 d3 {
N 30-604
9 G1 x8 B3 c! R0 j' T$ i: G30-610 Pendant Lampholders9 ~6 ?+ l! P3 y, D! P
N 30-608- _2 E! @# t! l( O) O
Electric-Discharge Lighting Systems Operating at 1000V or Less- @; o( m/ W0 x' d
30-710 Control (Appendix B)% f7 J# N, p9 c4 T0 O7 d
30-712 Branch Circuit Capacity
$ D7 Y* u6 h5 k& ~Electric-Discharge Lighting Systems Operating at More Than 1000V
/ ^' O2 \0 A+ V) \0 n3 H30-802 Voltages, Dwelling Units
6 q5 W- U8 I1 O2 e7 r5 C B30-804 control (Appendix B)
. k4 Z; n& W2 v. u% [Recessed Luminaires (Appendix G)& i% {9 P( g) L, z' C
30-902 Spacings for Non-IC Type Luminaires
8 V7 |* Y% q; g30-910 Wiring of Recessed Luminaires (Appendix B)% w" x3 T3 N/ v4 I& t
Exposed Wiring for Permanent Outdoor Lighting
0 Y, a# {0 M- H8 K30-1120 Branch Circuit Loading and Protection- I' g* q" Z" w( n- v
Extra-Low-Voltage Lighting Systems
2 ~3 N) A& \, O+ f6 O4 {# p# M30-1202 Sources of Supply
: T, j# O2 _; {4 m& ~( z/ j+ A) ?1 @ B
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)8 B( S/ Y$ @0 H9 V0 O! u
Fire Alarm Systems
v3 v s4 v: D8 h7 T5 x2 r* k- F32-100 Conductors
4 L% V4 |3 D. m1 a+ b s32-102 Wiring Method
4 E |' [( d5 n32-104 Equipment Bonding5 J' j' b X: Z) X# f
32-106 Electrical Supervision
5 H$ t4 d+ g# B7 E" T32-108 Current Supply, a$ W' W) @( r% j6 ^; O3 h
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
. n( {' @5 L5 ?+ K1 Z [2 xFire Pumps/ j( S- w# F3 Y4 x0 b9 n
32-208 Overcurrent Protection (Appendix B)! f# L4 i: I6 y' [" _$ F) C
N 32-206
3 i) F9 J* g Q3 j$ q) y* |% X32-210 Overload and Overheating Protection (Appendix B)! \$ ~/ [' a9 L6 ^
32-212 Ground Fault Circuit Interrupter (Appendix B)
6 X' c/ z( V5 ~% p4 g% B( z! [' U9 p6 G9 g: x4 N) l
Section 36 High-Voltage Installations
2 P+ ]4 o! L/ b9 H) wGeneral' n3 M2 D0 P$ N- ]* ]
36-000 Scope (Appendix B)( u: b" }% r: i* ?) B y6 J
36-006 Warning Notices, H( k1 c1 m1 p+ R4 e# D" U0 C& F
Wiring Methods
; [8 D1 }- |& `) n9 U4 e2 S36-102 Radii of Bends" H6 o4 Q2 m* E% ?- B; U( [
36-104 Shielding of thermoset insulated conductors
$ s% I7 z, c+ |1 e' ^, C36-108 Spacing of Exposed Conductors (1) table 30, table 31
4 f, l2 [# @4 D; h( F36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34+ x. S9 G0 q& e, r+ o* n
Control and Protective Equipment; k h% ~- @; J# a2 b
36-214 Disconnecting Means
9 n6 D: }( V8 F. E! ~ Grounding and Bonding
4 C/ f9 \. S/ _8 \36-300 Material and minimum size of grounding conductor and ground grid conductor and connections1 d# V8 q7 h. T$ w; N' S$ M
36-302 Station Ground Electrode (Appendix B)
9 S' P8 y/ i4 q* N1 z3 \36-304 Station Ground Resistance (Appendix B)- D' q% P6 f3 O4 m9 o
36-308 Connections to the Station Ground Electrode (Appendix B)# [, c% K- s& _( ^3 y0 Y
36-310 Gang-Operated Switch Handle Grounds
' G' R' {% [ a, Y' k4 @0 \36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations' {5 r0 @% y9 ^, z. E# s
+ j+ {. X3 g; g" `Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment" x3 e9 o# d; f- o9 S0 p) n, e
38-002 Special Terminology (Appendix B) a9 I' Q& _ x0 K6 |
38-003 Voltage Limitations (Appendix B)* Q2 b2 O0 o/ O& H! M N( N/ R
38-004 Live Parts Enclosed
" ^! [% \1 `* V7 r0 \, k38-005 Working Clearances
* z1 Z9 p0 }# p8 Z! H% d2 ?, N38-011 Insulation and Types of Conductors6 c- X z( d5 u
38-012 Minimum Size of Conductors
c0 s& b2 U' l* Q7 M' ^* G% L- c N1 p4 ^. o! R' g3 _2 x- v
Section 40 Electric Cranes and Hoists( M# m3 R8 {6 X. u; G0 X
40-008 Disconnecting Means, v! L9 r# D: t0 y
40-010 Main Contact Conductors
/ P, w0 o' @( ]& c7 e$ ^, a4 x. b7 u+ _2 ~
Section 42 Electric Welders
+ x+ b: J0 x( m5 c1 a6 E0 BTransformer Arc Welders! E1 @4 y, x. y, L! X7 u2 W0 R
42-006 Supply Conductors
- Y5 s' \0 o) w
. Z7 ~* { w" PSection 44: Theatre Installations
( }$ q- [9 q# D/ k& QGeneral
5 z( d5 [, I- B h9 J5 l8 g44-104 Number of Conductors in Raceways
' Y1 ~( F. x/ t44-106 Aisle Lights in Moving Picture Theatres0 L. e! ^( V& \2 g/ d
Fixed Stage Switchboards. O2 ^& x4 ?7 Y: h \
44-210 Overcurrent Protection
+ b$ r0 X) F C1 b) D- S7 B" jFixed Stage Equipment
/ @+ C, d. T# h J+ _7 g: ]" \44-324 Receptacles in Gallery Pockets
# [1 R+ ?3 W4 ~6 p# q1 x, q5 W44-326 Receptacles and Plugs
' i9 `+ r! d" \1 f+ U7 W# l0 b1 R) J* X0 ?/ k4 A
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
( s. O! O( R8 b( mGeneral( \) ~1 F8 y" e1 l$ I, n
46-102 Instructions e' b( x( H9 O: O$ i) u
46-108 Method of Wiring (Appendices B and G)
4 ?& S; `( B7 [. G6 \3 wEmergency Systems" t, p) _+ Q% I2 R
46-202 Supply (Appendix G)
2 w% o! W1 K, Y8 S5 N46-204 Control+ w) j& q# ]& `! w( _& N8 g. o# o; M
46-206 Overcurrent Protection
" u$ S/ K' J E! f46-210 Remote Lamps H: o: w$ q8 {
Unit Equipment
1 y; q' z& { l; l: I46-304 Supply Connections! z1 h7 Q+ @8 \
46-306 Remote Lamps (Appendix B)" [& s8 n# } m& o, Y0 D4 c* T# n2 @% i
Exit Signs
4 e1 J* D! m" O% @! u) G46-400 Exit Signs (Appendix B and G)
8 l( K# z" t' X5 \, n8 {8 J! V) ]
2 d% g) p8 p9 d' K4 o5 z$ oSection 54 Community Antenna Distribution and Radio and Television Installations9 H1 O& U! r( z2 J
54-000 Scope
1 y5 e( u: T; v4 x' A/ e54-004 Community Antenna Distribution (Appendix B)
* N' y0 C) r. _6 r M6 KCommunity Antenna distribution; ]+ c8 c6 C, ?
54-100 Conductors
; h# i# ^5 S$ D9 v: l54-102 Voltage and Current Limitations (Appendix B)2 k4 p+ u1 ]8 n: s
Protection4 p* @9 N& _" c' f$ [& L) x
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)& z6 a! A5 D0 l( T* |2 ~
Grounding
, q# G' R) Q# C2 q' y% d54-300 Grounding Conductor
( m) p' t' |* _8 b" m0 u7 y) H! ZConductors Within Buildings
1 n$ ~9 `& Y' S5 Z, C! b" y54-400 Separation from Other Conductors
: Q; j) l+ \+ e& T# I" R$ S sEquipment
& t0 \6 p& T; {. x4 j% i) W7 o% v54-500 Community Antenna Distribution Amplifiers and Other Power Sources
6 H+ o3 D% ]) n9 g54-502 Exposed Equipment and Terminations
& ]! O& x% W4 x! ]$ {" h5 w6 w3 v$ S4 A
Section 56 Optical Fiber Cables
$ _) [4 L" P" r9 c- e0 ?5 _General0 R; l5 j. C" ?0 m) m
56-100 Special Terminology
% y. o6 }3 o# t9 a! B" _9 d56-102 Types
7 R6 `) U9 ~9 B5 a8 f/ CInstallation Methods' ?: L* k5 Y1 w K7 u
56-200 Nonconductive Optical Fiber Cables (Appendix B)
+ o1 J) ?; S y, `2 T56-202 Conductive Optical Fiber Cables (Appendix B) B+ M. r: B* \: U/ A
56-204 Hybrid Cables
3 T. _8 o6 ?$ [# ]7 v# B$ T56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)/ F2 P' V, V' t3 X+ f) T
# l' I. w! e, Y! [" m+ Z% pSection 60 Electrical Communication Systems) z8 t9 @ {; s& E5 N# }* l2 C
General8 p! U/ Z$ W5 E2 W: Y
60-100 Special Terminology
t: M; G+ X! p* x9 fProtection
2 z; }- M% B& D- M3 \& W60-202 Primary Protector Requirements
1 ?6 p1 ], S5 L9 m8 vInside Conductors& l% H8 [- R) E9 L
60-308 Separation from Other Conductors7 d t/ G+ k4 K' H% h2 D5 Q
Equipment
$ g( T) C- o Q* }* x N$ ]# D$ v60-404 Exposed Equipment and Terminations4 A3 T6 {5 @9 L% z. g
Underground Circuits& {$ G* W3 N2 f0 R# \6 J9 J" t
60-600 Direct Buried Systems1 ~2 P6 @( T5 B. D1 n
1 C; ?/ Z# k6 q! @+ o2 I$ c
Section 62 Fixed Electric Space and Surface Heating Systems
8 z; ^ X* q( ~2 o! M+ K) gGeneral
; q: b% L: | Q& q5 v62-102 Special Terminology
( _" C& z+ z8 z0 }62-108 Branch Circuits
7 p W$ v9 ?6 q62-110 Installation of Fixtures
& t& M6 d S) r2 m9 F0 o% s: ^62-114 Overcurrent Protection and Grouping (Appendix B) (5)
T% L+ N" v% o! @- N62-116 Demand Factors for Service Conductors and Feeders (2)
) B. [% b! P$ c1 `9 Y62-118 Temperature Control Devices
* G f4 ?# N, A8 c" ~62-122 Installation of Series Heating Cable Sets (4)(7)0 i6 O) N9 R G0 y3 q8 @
Electric Space Heating Systems% t0 C a5 W( O0 A; r0 R
62-202 Temperature Control& s9 g& ?# m9 p
62-206 Proximity of Other Wiring (Appendix B)
0 u, U: F- K. X% E* @) @, @62-214 Installation of Heating Panels and Heating Panel Sets5 {. v/ I3 C: p, N
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings9 B2 o- g6 F; ^) I# v P
62-226 Installation of Under-Floor Covering Heating Panel Sets
- i# d3 Y* m5 U, h! KElectric Surface Heating Systems
6 i5 I+ C: d/ Q6 ^/ G4 U/ E1 w62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
2 P$ j$ f% b( J0 C) d" p
" K/ u6 z* w' O( ]Section 68 Pools, Tubs, and Spas* w( h% t6 j7 `1 m$ D" M
General
: ?- U) S* V Z" {" m$ e7 _. C68-050 Special Terminology
6 l; j/ \/ J* }! G68-056 Underground Wiring - Table 61
' p! |* i7 `6 _" Z68-058 Bonding to Ground (Appendix B)1 U9 s; }6 E v, i0 G
68-060 Junction and Deck Boxes (Appendix B)/ T7 u: _& F! E. X2 Y t' Q
68-064 Receptacles
( ]$ j: P, b# k! G( Z# E68-066 Luminaires and Lighting Equipment4 d0 y+ h3 Y6 y4 m
68-068 Ground Fault Circuit Interrupters (Appendix B)6 M6 F* g4 Q: v: A2 R
' c, }" j" Y# D' j4 a- GSection 70 — Electrical requirements for factory-built relocatable structures and a# ~4 O, `$ [
non-relocatable structures
% X8 E, {5 G& n70-130 Tests (see Appendix B)
" g p$ ?% Y+ N
5 r1 C m* |: R' E5 X( o8 f9 |Section 76 Temporary Wiring (Appendix G)
7 v7 Y' X2 B. g' Y6 {1 R& F76-004 Grounding9 V1 o6 e& L, d! ^
76-008 Service Entrance Equipment* }" Y; U1 E/ D% h+ [$ W
N 76-006$ Q4 N# b' X4 J& g) s
76-014 Branch Circuits: \) g4 c% q; U* E) h
N 76-012, y$ Y8 E1 W+ H/ u- S# V
( t0 X4 \& p# N% p% z
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours: y9 F4 F: ~3 l1 a0 O1 N
Marinas and Yacht Clubs9 l4 z* ?* p5 e9 H1 X v0 i! h
78-052 Receptacles( ?. k$ g9 _. r) X# G" ?
78-056 Feeders and Services
& o0 e! v# d: R3 z$ x0 A1 X) f" q/ g7 fMarine Wharves, Structures, and Fishing Harbours! v+ f. _( ^' U' f$ x/ N8 |
78-106 Grounding and Bonding7 b, v D+ X$ ?; w7 p
Tables n6 t% ~7 j' t% e8 b
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+ {( C2 g5 ?! J H
4 i5 T, m% f3 K
Diagrams: 1, 2, 7
1 { d# |: r# K6 P: h1 |
( B7 z' n2 E l2 u7 GAppendix B
7 E4 @0 \0 Q* s& u8 TP352: Ground fault circuit interrupter- 6mA- r5 h/ k( r' v3 M
P354: 2-126 FT1, FT4; c% ]+ f1 j+ G
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)9 I, ]1 E% o/ O: }
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)1 V0 ^1 D" j9 G
P370: 12-1012, 1118, 1214 Example:
% i P9 P/ |3 |' L1 Z3 IP371: 12-1108( k9 S% t, N0 S( H$ }6 n) O
P381: 18-108(1)(b), 18-158(1)(b)
H% a6 k: S0 ?8 M4 u JP386: 24-206: u4 G. l! d' t! g/ T
P389: 26-2567 [6 n4 F9 c9 H2 ^# F
P391-P393: Section 28, Example to determine Motor Conductors and Protection
. d J8 w% I! C/ W! H* A9 i: j
1 h/ I9 \0 Q, R5 ]6 V) sAppendix D
" t- t x1 X, ^. n- NTable D1, D2, D3, D4, D5, D6, D7, D16 |
|