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Canadian Electrical Code Review Guide
) _' w1 r/ y. \: @. wFor the Exam of Electrician For Red Seal License3 n( o9 A" [# A$ B: c
& b) R5 {, N2 v! l
Lesson One! o8 X+ p7 a5 {% @3 B5 v6 q4 T2 r. w
Section 0 DEFINITIONS) @9 j S2 i% r% |4 w
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:# j: y. F; G2 Z
Accessible as applied to wiring methods3 |5 S% `. {5 j& I/ T, l5 r
Alive or live
6 t8 w/ r/ B; V$ v$ q* `Aluminum-sheathed cable" p: E6 o! K4 u# g
Ampacity1 s9 g( Z6 l) M6 _
Authorized person, A. p; u0 `9 C$ o& n' I0 N) n
Auxiliary gutter
& i' Q8 i/ p# J p* c) H; NAWG
1 u$ Y: B2 ~0 C: z- SBonding! l9 T+ b( m3 W" V- {
Cable tray
( p( o6 B$ ~4 t# BCellular floor
1 u: z* k; K% T: y1 X8 A; R! `& wBranch circuit: L5 K+ |7 m) V; z5 [% V8 M
Bus, E s2 }0 Z- B4 g# x) |# ~) Z
Busway, w0 y: q/ o4 @
Communication circuit
8 f* v4 U$ s+ O4 R/ NExtra-low-voltage power circuit" k( P% v/ G) R( j
Low-energy power circuit5 v% f3 ~* l1 M! B' b# u
Multi-wire branch circuit
9 H3 ~3 n$ a! N. G% K7 WRemote control circuit
0 N! u& U @' l* c- YSignal circuit! \ Z( m3 {5 M1 W. [! B
Circuit breaker7 X3 h0 i* K, U
Instantaneous-trip circuit breaker" S3 k0 s5 m% |8 T
Conductor, d% X1 v' o+ d% ~# v
Conduit; _! i" G. V- M9 j- Q5 T( |
Flexible metal conduit/ c2 U5 i1 O5 H& b; x' q
Liquid-tight flexible conduit
4 @; Y+ F' K: W N4 u; F# W Rigid conduit4 H2 _" s9 {( R# O0 h
Rigid metal conduit+ `! _/ {4 T: c% X" V
Rigid nonmetallic conduit
% y( H, j. h1 M; N( A Rigid PVC conduit
$ H% S5 f6 ~" f/ Q3 VConnector$ E6 `% |; _/ s9 j/ g* p; X
Box connector6 \% p# m: {# N, f% V
Wire connector% C [, U! H' H% l8 R# z
Controller {/ j3 h5 d( p; ~( O/ s
Disconnecting means
% M9 z0 D' r" a ]Dust-tight% v6 h* h k* U- u3 a$ x1 V
Dwelling unit
1 ^1 N7 w# J. f1 ]. fElectrical contractor( R Y' {, B7 }4 r
Electrical metallic tubing
+ U2 v. R6 {$ N* K8 M( [2 F9 zElectrical nonmetallic tubing: m$ V6 Y% } e3 a
Emergency lighting% z0 r4 ], n$ u% |6 V8 W) U
Explosion-proof) J/ L$ a$ ^7 }) ?$ a
Extra-low-voltage power circuit% ^( G2 d; k8 v9 ~; d; c
Feeder
+ X& q7 X* E$ ^1 i, p2 |6 l9 N; k) NFlexible metal conduit
' ~- G+ H- W9 ]% K0 OGround
' l5 m8 {; W7 c/ q( WGround fault circuit interrupter
- ~" C: _1 J' o3 PGrounded
% m: T: k- F/ w ]- Q6 s; KGrounding8 a0 t1 i9 c6 N/ `% q
Grounding conductor ~! c) N2 f" R' z: F( N
Grounding electrode
& P# Z$ E; U1 Z8 v8 a$ ?Guarded
, w7 n5 F: d N/ a4 d. K) hHoistway
/ A. [' k$ F+ G. r) IIdentified
' j2 u+ X) L, H; G) L, V" _0 ^' k% tLampholder3 s: y; c; v, v5 O$ ]4 i! O5 z0 b
Low-voltage protection5 S8 K9 O+ b3 V5 D' |6 s+ Z; u
Low-voltage release
- ^0 @+ E" `# R2 o9 P/ `% ^( c2 O# ONeutral. I/ P4 w o# J: g; F* R
Noncombustible construction
2 b0 X* n0 T3 I! MOutlet
! O' T! t0 o- r9 S6 oOutline lighting
+ `8 V; b4 x% M- rOver current device
0 }1 n `% B6 Z2 QOverload device' o. z9 ^- W- M4 {( b
Panel board
! J1 n2 b6 v% vPanelboard, enclosed
) V" c: o: W, t; VPermanently connected equipment9 c, H- |" F, M0 V5 g" ]
Permit+ s6 f8 }& ~, S5 V
Plenum
a$ ~) v# a. B& cPortable as applied to electrical equipment5 F& `( ]: i; A( T1 u
Portable ground fault circuit interrupter/ x% o: ?( z( X. h0 V2 L# G1 D
Power supply cord( ]# X8 x4 P0 Q
Raceway
7 L/ j1 ]/ X8 |Receptacle6 o4 ~& r6 ~, {* ~3 S* z
Duplex receptacle [$ g H. s3 F7 Y' {/ t |, M
Single receptacle1 V! x1 C2 \& G# k. S1 D
Split receptacle. L. o5 B: I' p
Service, consumer‘s
; V, m8 [- O1 s O8 x0 xService, supply
9 I- F) G$ x2 h. vService box( e7 ?* Z# s, L$ K& l$ F+ p# @
Service room
) u7 `9 ~2 y: G# O2 VSingle-dwelling/ [% P" @0 B( L- G% ^6 d+ \
Slow-burning as applied to conductor insulation
& }( `. E/ E- C& Z+ tSplitter8 u- }: t& u8 r! L9 J) b
Starter
' c: }* L; n. ^! ?: `7 aSwitch% S1 H% Y% U- W6 Y$ d+ p. o$ B
General-use switch
; d! P8 e6 N0 G5 \: o Indicating switch# q ?* L! \! p
Isolating switch8 @3 _# C7 {& a, P7 M) Q5 ]! A
Motor-circuit switch
$ P( U. S3 G, j8 D; n5 ySystem
) }' S3 o2 s( } P) m Communication system
# y6 r. m0 M" l! H# y Community antenna distribution system(CATV)
" {( g9 i0 c/ { S Grounding system1 L9 N) Q K: s" {. w
Underfloor raceway
) ~3 J" H! k6 ~( u! R5 [Voltage:7 X* w% f% v0 S' y6 ~% P: y( x
Extra-low voltage$ S, @7 E8 ]5 p# o$ P! w
High voltage
+ B6 V$ p6 L, H Low voltage
) t& a; F7 F; p" U# _7 bVoltage of a circuit/ |7 y1 e( P. A ?# g% a
Voltage-to-ground: C) ?+ i# C) |7 Z ?! n; G
Wireway
4 ]6 a1 s- U$ x, L, d( F+ ~+ H0 D9 R* n& H M8 S
Section 2 GENERAL RULES# X0 R A. W) w$ Y
Administrative8 Q( L, R& E0 c" m" y
2-018 Reconnection
: u# X- ~) _) Y2 }2-030 Deviation or Postponement4 r3 H& Y S) E
Technical General2 {. j( i# U4 B: n& F! k
2-106 Circuit Voltage-to-Ground – Dwelling units
% c8 U0 a" z8 N+ u7 ^2-114 Soldering Fluxes# ~; o1 F& z/ ]& }
2-116 AWG Sizes of conductors
* v. \+ `; {, J, b, s) q2 F+ L2-124 Fire spread (see Appendices B and G)
; }9 F2 O1 c/ l2 G! F7 V9 N2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
1 |7 T; Y/ S0 X- hProtection of Persons and Property% h0 ~3 l6 X- J5 n' }% t4 f" `: P1 P
2-202 Guarding of Bare Live Parts; q, p- t4 }, p f8 V& t
Maintenance and Operation7 d3 X2 j9 a# L3 b; B
2-304 Disconnection
9 c! W0 g: ~: ?6 o4 |+ i7 ^2-306 Maintenance of Live Equipment" a1 E' {' W# u) q' }5 Y* ? c
N 2-306 Shock and flash protection (see Appendix B)
$ r1 P ?7 L( s5 O( i; \' |9 P1 C2-308 Working Space About Electrical Equipment: Table-56/ }) w$ m7 K8 r" H' g+ Z
2-310 Entrance to, and Exit from, Working Space
% y1 m+ K0 ^; e! @0 {- E, n2-320 Drainage
7 ~8 _/ u8 R( l( ?2-322 Electrical Equipment near combustible Gas Meters and other Devices3 s* x% H9 X3 c6 U0 @ }& ^2 P
Enclosures6 b" \% u. @3 D3 W3 P! n% E
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
. \7 a5 J0 W; u/ M! q# D2-404 Marking of Motors: DP, WP, TE) [/ R( k% |: b" |* a. {
/ J# x5 H$ V$ G9 L3 y. n2 tSection 4 Conductors2 D1 `- e i, W' ~
4-000 Scope p" U8 t$ N2 o- l: D# S
4-002 Size of Conductors: 14#, 12#7 m* o! z9 b, @. h
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36, b7 I$ Y6 `6 }' d9 I. V
4-006 Insulated Conductors: Table 19
4 y% H7 C G2 H- K. F! _* e4-010 Uses of Flexible Cord: Table 11) g+ j0 ~8 i( f
4-012 Sizes of Flexible Cord7 E# y; R6 l$ H4 \
4-014 Ampacity of Flexible Cords: Table 12
+ V& |* Y3 s8 o; a7 Y, t' u: `- r4-018 Equipment Wire5 x$ {) x; R( n' {8 K' b5 K! }
4-020 Insulation of Neutral Conductors
|0 n$ U7 `6 r* [3 Z4-022 Size of Neutral conductor
: s' y0 N6 k+ q5 I4-024 Common Neutral Conductor
# w: ?0 o/ O4 \ [4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum4 [8 ?5 E& a- u! Z6 g) y3 f% O6 ]# z* c
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum2 {& i9 p3 S) T" F& U% v) H2 ]
4-032 Identification of Type MI Neutral Conductors
. k$ d! ]; L* ^. P4-034 Use of Identified Conductors6 i+ R8 I: X/ ?3 H' Q; T( o: G
4-036 Colour of Conductors: Phase A, B, C, …# g1 w; q, _3 U& @( ~5 Z
( Q5 E; k0 A- Z# KSection 6 Services and Service Equipment
5 g' j) m( N5 R) U9 PGeneral/ w& U3 E# u* J( F7 {
6-102 Number of Supply Services Permitted) }9 z* ]0 y" s/ ~. ?8 w$ V
6-104 Number of Consumer’s Services Permitted in or on a Building: p: Q6 m6 S( o4 D3 m) p
6-108 Supply Service from an Electric Railway System- ~4 I3 u0 B7 B' x! y3 R
6-110 Three-wire Consumer’s Services
+ m+ f' M9 F; E% Q. s6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors7 W E, }2 R+ S+ w4 g& s' x" w
6-114 Methods of terminating conductors at consumer’s service
* P: ]) K5 a( S; c0 Q- o6-116 Consumer’s Service Head Location- b2 K! R* B) ^3 J/ b
Control and Protective Equipment) Z/ m- ^1 ^3 u0 l+ c* e& F$ A
6-200 Service Equipment, C1 N/ V0 O, l: m
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
# K# ^9 P" i+ R6-208 Consumer’s Service Conductors Location
1 @) k: J* Y) P) X2 Q5 P6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
6 l" u) a: Z6 T8 `+ F6-212 Wiring Space in Enclosures
% G# n7 j# E1 q6-214 Marking of Service Boxes3 |0 Y; N/ e, r
Wiring Methods
. p* B+ G q* l+ ]3 M) B6-300 Underground Consumer’s Services
4 ~4 k6 b6 C- V6-302 Overhead Consumer’s Service Conductors
" i- q n. c3 c. y$ W6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
) |0 ]4 l5 g" } q* H* \$ H6-306 Consumer’s Service Raceways
7 d6 m7 {& T, S6-308 Use of Bare Neutral in Consumer’s Service
4 R' u' ]3 r, T/ q4 g$ K- M& z6-310 Use of Joints in Consumer’s Service Neutral Conductors: u% p7 v1 M8 \& ~& _/ ~
6-312 Condensation in Consumer’s Service Raceway6 R. f7 J% h- e. [% R
Metering Equipment
5 s. g# R- U! Z; v8 L+ n7 H6 f6-400 Metering Equipment
. A7 F% C; a, @6-402 Method of Installing Meter Loops
: B2 y* M7 c5 J2 B. ^6-404 Enclosures for Instrument Transformers
! b) m' O" ~7 `" J7 t; { Q6-408 Location of Meters
% I; z7 @% h* n
9 ]3 A# K4 [7 a5 v: a. oSection 8 Circuit Loading and Demand Factors
& q8 ]0 Q$ _& _. F( B( W1 kGeneral+ {6 S$ d+ J! `4 R! o. ^
8-100 Current Calculations
+ }% }& `1 A9 V6 u4 F8-102 Voltage Drop ( see Appendix D)
! m! M- T5 I# a2 O, W' Q7 T1 l( R/ z; t8-104 Maximum Circuit Loading6 V5 {, ^2 l0 |, Z- l5 z
8-108 Number of Branch Circuit Positions
& v! T# ]5 F c. I8-110 Determination of Areas
# o/ a4 \8 c4 u7 U) n6 W8 ]Services and Feeders2 n% L1 n: {. r' ~
8-200 Single Dwellings (see Appendix B)( ]" A' g% y L/ | G$ s( f
8-202 Apartment and Similar Buildings9 l9 a7 D8 T% y1 F9 B
8-204 Schools, o/ G. }; z# `1 S J1 i8 H' z3 G
8-206 Hospitals
" Y- c7 E4 F6 P' ]! e% _9 Y2 S8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
7 n8 \4 l9 P3 M. o4 L2 j8 A8-210 Other Types of Occupancy (Table 14)% [1 J: N* e1 z) f$ I
8-212 Special Lighting Circuits
/ x* ?' a( \6 w9 X; F6 q: d2 _Branch Circuits
\. r" L# T T9 T% t4 }8-300 Branch Circuits Supplying Electric Ranges
- |% v4 ~+ ^5 K, K# [) y8-302 Connected Loads! J1 \' J1 Z( ~
4 O5 {! |: h" ]2 @, ~: d" ZSection 10 Grounding and Bonding8 u3 G2 f4 Q+ F+ p* L
Scope and Object$ n( a0 q3 }8 m
10-002 Object
. u, A, W* f9 |+ JSystem and Circuit Grounding
- n' `, N+ S. X* l6 ]" g# l10-102 Two-Wire Direct-Current Systems
6 v1 ^4 V# w6 f& V" n5 G10-104 Three-Wire Direct-Current Systems
; W! B- T$ G" F& ]0 S2 e# s10-106 Alternating-Current Systems
5 a; E' z: m' i. B$ H! Y% Y10-110 Electric Crane Circuits
( m4 x9 v% ~3 X5 j- e10-114 Circuits of Less Than 50 V
9 e( Y" K; l' K6 S* P* X6 L* |10-116 Instrument Transformer Circuits. o6 A( t3 e& k# p& G
Grounding Connections for Systems and Circuits
7 O, G* E7 U5 d10-200 Current Over Grounding and Bonding Conductors! n4 S/ I7 Z5 K8 K
10-204 Grounding Connections for Alternating-Current Systems' c; t: w8 ~5 y, M% d6 @1 E
10-206 Grounding Connections for Isolated Systems
2 d, _ j ^3 O% y10-210 Conductor to be Grounded
2 `- `2 }# ^, s/ p% w- lConductor Enclosure Bonding2 U( \# J! S5 @* e4 U
10-302 Other Conductor Enclosures# T+ V+ v8 r- n3 V
N 10-304
% C4 i+ C) ~, _# W( j" \( b& iEquipment Bonding
7 S1 \; i. a1 e: U10-400 Fixed Equipment, General* j+ x* r" _, G/ m( \6 k# p3 P# w
10-402 Fixed Equipment, Specific (3), (4)7 {+ b, o6 \2 x: U, E
10-404 In Nonmetallic Wiring Systems
, D" Q# y; [1 ^! z: D; @/ T10-406 Non-electrical Equipment
. j( ~0 N* [1 w, y10-408 Portable Equipment (4)(b), t8 |# L8 D7 n1 |& K
10-410 Instrument Transformer Cases
8 S2 w9 [* M- Z10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less! H: Q/ W8 J3 T$ O, y0 d1 s# A
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
3 ~4 [/ {1 C. s2 |7 h% L7 e1 yMethods of Grounding
3 D' {4 }- [4 s* t; n( {& X" a10-500 Effective grounding (see Appendix B)
9 f( H% _1 X/ m# x- b! h1 C10-502 Common grounding conductors
4 \! `2 N f7 @2 e+ s3 U6 k10-504 Common grounding electrodes# l6 ^/ t7 u( e8 _8 _ J- P7 r
Bonding Methods% [7 w0 H5 ]8 Z3 ~* ?3 j
10-600 Clean Surfaces @0 V9 f+ h: O; m/ w0 b3 }2 e
10-604 Bonding at Service Equipment
+ P) c" d" s. p; n- g+ T3 N10-606 Means of Assuring Continuity at Service Equipment
" Z5 k: f2 s+ K K( s10-610 Bonding at Other Than Service Equipment1 k# E, C% ]2 |: x
10-612 Loosely Jointed Metal Raceways
8 @, \. B& d% x/ _% g10-614 Bonding Jumpers Table 41) r% d4 G# B4 a. ^ q7 z, I7 A
Grounding Electrodes3 z% I) L9 }+ Y. K
10-700 Grounding Electrodes
8 }" Z0 V) }, u) G" }, X8 _! S6 M10-702 Artificial Grounding Electrodes
- X0 W: w- a: ?( g# V( m; oN 10-700 & 10-702* c+ F& X) p0 m- I6 x+ i5 Z! X/ H
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
, x6 g* [+ K1 |N 10-702
2 O% G( k/ w1 P ?10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
- [" B& V R8 GN 10-7028 |$ T" r) c; F" I5 _
10-710 Use of Lightning Rods (Appendices B and G)6 d6 T' o) D/ W) n h
N 10-7062 V# {. X4 _6 m, X0 P- l, ^
Grounding and Bonding Conductors
& _7 u6 e; o+ O; [& |& V10-800 Continuity of Grounding and Bonding Conductors) e. ~/ u$ U8 R6 ^8 Y/ f
10-802 Material for System Grounding Conductors
6 \0 a* O9 j6 c# [. `' |% u10-804 Material for Bonding Conductors3 Q8 |4 y0 e5 I0 c
10-806 Installation of System Grounding Conductors
. R$ { b# u2 ?, t5 H8 z1 f6 @10-808 Installation of Equipment Bonding Conductors; t# u' F. _. U7 b+ f1 _1 N3 g+ J
10-810 Grounding Conductor Size for DC Circuits
4 i; Y/ W2 t5 I8 h- n* V5 e0 \10-812 Grounding Conductor Size for AC Systems (see Appendix B)8 z/ W9 M; |: R& H. E7 f" v( q$ C
10-814 Bonding Conductor Size (Appendix B)
f9 L0 x0 C. S# i% }10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment& _! f# w7 e! ^' b3 x% {3 ?* X1 D
10-818 Bonding Conductor for Outline Lighting8 ?( B1 Q, m* c; O
10-820 Bonding Conductor Size for Instrument Transformers4 z& C$ G- H# j9 \& j! i$ i' q, g
Grounding and Bonding Conductor Connections
5 S$ s, N! M+ z/ r B+ ]+ b7 }10-902 Grounding Conduct Connection to Water Pipe Electrodes
8 ~1 ?' L: b$ \! L; n4 l2 \10-906 Bonding conductor connection to circuits and equipment
4 g8 ~- E6 L6 M) S8 P: c3 a2 D10-908 Grounding Conductor Connection to Electrodes
& R8 _# i, T. S, p0 o) cLightning Arresters( y5 a/ {* [. y$ Y* y5 a* y. ^
10-1000 Lightning Arresters on Secondary Services – 750V or Less9 K5 [5 M- v5 D) ^# D
4 [: { h$ h- }4 b
Section 12 – Wiring Methods
& A& J% S4 x! R' yScope
" S% q0 S7 A' N# B0 e( W1 E12-000 Scope (Appendix B)
/ E% U( m" T8 a8 v" j+ [: U; D dGeneral Requirement
; D6 s9 S& @% c' @+ i& `, C12-010 Wiring in Ducts and Plenum Chambers$ S [' R" r& t! F% S
12-012 Underground Installations (Appendix B)
" H3 E$ j* _3 P. G5 g& @12-016 Lightning Rod Conductors
6 Q' j/ _) q% @Conductors - General5 J, P4 x( ?7 f6 }3 `/ T5 [
12-100 Types of Conductors (Appendix B) Table 19
' O% r: d' q6 p3 Z9 Q5 z$ Q3 ^' D12-102 Thermoplastic-Insulated Conductors
! t9 I$ `/ W( W, n. W* l12-104 Flame Tested Coverings3 v1 }! r" S6 v _
12-106 Multi- and Single- Conductor Cables
2 s1 k( i, U8 f5 ^$ H/ ^4 j12-108 Conductors in Parallel (Appendix B)
n4 j# g1 ~& a" l, C12-112 Conductor Joints and Splices
5 z# `, z& h, c: Z/ M; Z12-114 Ends of insulated conductors, h- }' w* R) z. d2 d- |. U7 J
12-116 Termination of Conductors (Appendix B)4 y* K; d: z5 y/ K3 ?" H) Q( c
12-118 Termination and Splicing of Aluminum Conductors1 R+ G; F+ v6 g# V' O
12-120 Supporting of Conductors - Table 21/ j- Q7 M* d: s' e
Open Wiring
: z& s7 p/ j% M& N! Q+ n: ~12-204 Spacing of Conductors4 `% r& q% s! r- f+ y
12-206 Conductor Supports6 U! M# B2 i% S+ v
12-208 Conductors on Flat Surfaces4 O: U, ^) m, i( }: @" F
12-212 Protection from Mechanical Injury
; Q7 R6 P" j; R+ F3 ZExposed Wiring on Exteriors of buildings and between Buildings on the same Premises
4 r6 F* a; A3 S8 d3 x. w5 @: w% U1 u12-308 Minimum Size of Overhead Conductors+ u$ t9 u( l" Z6 Y9 x8 |3 X+ _
12-318 Use of Neutral Supported Cables$ A6 f# n& a$ l& u* \% Y/ E
Nonmetallic Sheathed Cable, o$ r, y% U+ Y
12-502 Maximum Voltage
" h N8 w( l$ L, y12-510 Running of cable between Boxes and Fittings (Appendix G); p' [0 b( ?! P& \$ n
12-514 Protection on joists and rafters
8 e4 F* g2 |8 l12-516 Protection for Cable in Concealed Installations (Appendix G)
) J; U7 z j+ ?; A# j! M12-522 Where Outlet Boxes Are Not Required
/ J& E2 u7 e( [Armoured Cable
[+ O; i, n6 |* H6 _3 d8 x7 W12-602 Use (Appendix B)
" t; p Q: N+ X, k+ ]- u$ M12-604 Protection for Armoured Cables in Lanes
) n$ @5 k, Y3 p. x X: o8 G; f: E12-606 Use of Thermoplastic Covered Armoured Cable9 J( e1 j% I6 g
12-608 Continuity of Armoured Cable- b9 Z) d' u! y; @, u# k
12-610 Terminating Armoured Cable7 P m7 Z/ \, N% x! ~( }
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
, F4 M2 c E1 i% i12-614 Radii of Bends in Armoured Cables- {2 e! j5 `" C/ `2 z" {
12-616 Concealed Armoured Cable Installation
$ {: s( @# _9 \1 X2 b12-618 Running of Cable between Boxes, Etc- f& p. e2 M+ H. m# j2 }/ x
Mineral-Insulated and Aluminum-Sheathed Cable
9 L$ L3 }6 S/ E* v* R( o1 ?: h( [12-702 Use) g9 w; M/ }9 }! R) L; g% d
12-704 Use When Embedded# z3 T! w- X5 e* v3 \$ l
12-706 Method of Supporting
o4 J. B& ~! n12-708 Direct Earth Burial
9 U) s a( S( u12-710 Mechanical Protection, f' E( ^& c- z
12-712 Radii of Bends O$ b) z5 Z+ B& U
12-714 Termination of Mineral-Insulated Cable (Appendix B)
- G& L& S( ~; ~12-716 Connection to Other Forms of Wiring
; I( I- d9 ^& DFlat Conductor Cable Type FCC G" j5 Q% N/ q. s
12-804 Use Permitted+ c& t" y; Q6 T, X
12-806 Use Prohibited
) C. U' b! D& `" K12-818 Anchoring
& c* l" m1 Q9 p3 d( S7 c- H12-820 Crossings
$ j) ]' w6 j/ j: y K- Q4 `3 WRaceways - General2 ]* p& p( W6 ^7 \: F8 Y
12-904 Conductors in Raceways
# x1 B! _$ x. \- e7 N1 R( f12-906 Protection of Conductors at Ends of Raceways
) ^' r+ D7 Q" v) T& \12-908 Inserting Conductors in Raceways
% [$ C6 D- f, ]5 m2 ~+ l7 N12-910 Joints or Splices Within Raceways
, W; X* J4 E3 R! Q12-912 Stranding of Conductors
( f1 }# {* E- K2 W+ N' Y12-914 Electrical Continuity of Raceways
! D6 x# [0 B6 A1 m4 o4 i; s12-922 Radii of Bends in Raceways
' H0 ^9 a4 a3 \! R( ]2 B- q; f/ |1 [N 12-922 Radii of Bends in Raceways Table 7; l. @4 b% S1 y0 _' ~8 a
12-932 Protection for Raceways in Lanes
/ l# M3 p* \' n. R. Y' @4 l- t12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)! u/ @; t% K* k6 \
12-938 Capping of Unused Raceways
' A( Y% ~+ h3 e0 O' {% \12-940 Maximum Number of Bends in Raceways& F8 M3 t8 c L9 v. G
Rigid and Flexible Metal Conduit4 s6 a$ X7 o M3 Q- \; B
12-1002 Use2 P) p% A6 C; l
12-1004 Minimum Size of Conduits
) {* H+ y) W* e) Q: @, v! p12-1006 Conduit Threads (Appendix B)7 g' K0 U* w8 P
12-1008 Thread Engagement& I2 _" F+ U9 C5 S; i
12-1010 Maximum Spacing of Conduit Supports/ t" V7 W# @" T' A1 K0 g
12-1012 Expansion and Contraction of Conduits (Appendix B)2 Y* E+ b, _6 ?/ b5 J* f I. X
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 " o% B* J7 S% m* b2 ~+ t. P7 \% [
Rigid PVC Conduit and Rigid HFT Conduit
# E2 M) a4 h1 r4 A% t f12-1100 Use
- i3 _, h. T8 Y8 v+ P. X, S12-1102 Restrictions on Use
% ~6 W& t# o; [, i12-1104 Temperature Limitations (Appendix B)
% s* _8 Y' O$ _+ L12-1108 Field Bends (Appendix B), (2)* o$ O! e8 c: q0 [* r) \' g5 c
12-1110 Support of Luminaires. @7 K1 W( \/ v: _" B
12-1112 Fittings% D" Z6 s$ F, s& V8 \4 w& k2 L2 K
12-1114 Maximum Spacing of Conduit Supports
* Y/ X/ K* v ?+ h12-1116 Support of Equipment) b% y; I9 ]5 O: o; |
12-1118 Expansion Joints (Appendix B example)9 t6 {9 }: ?6 Z0 | D2 f
Rigid RTRC Conduit
, Q/ B/ ?9 M, S" V12-1210 Temperature Limitations
: Y5 E- r, f) I+ U" D- ]8 P12-1214 Expansion Joints (Appendix B)8 S) z* x! v0 V, w! l( X1 v
Liquid-Tight Flexible Conduit
- d$ y& w) T# J12-1302 Use of Liquid-Tight Flexible Conduit
- F9 ]; a! f @ K12-1304 Maximum Number of Conductors
* M: L! s H/ n/ I1 [12-1306 Provisions for Bonding2 Q* z( S* A& \! f3 t( @1 Y# Y
Electrical Metallic Tubing M$ t+ k6 q6 d1 ?' G8 g2 U% S
12-1402 Use
6 O9 }9 S' J6 [1 c' g& F12-1404 Supports
( I+ O) s Q) b) |! |12-1406 Minimum Tubing Size& E1 K4 S y+ Z$ \- R2 J- b1 Q
12-1408 Maximum Number of Conductors
: ^. u0 Z* W$ G9 y3 p6 W* l12-1410 Connections and Couplings
3 J5 c9 z/ Z" U12-1412 Radii of Bends in Tubing( j* d2 `7 \4 A
N Table 7
* _! N- @6 F# I' E u/ Z2 WElectrical Nonmetallic Tubing
6 g% r5 a) W3 o2 A+ Z8 Z12-1516 Provision for Bonding Continuity9 H) X/ H* g/ O: G( `- f
N 12-1514
: `( o, y0 f I. GSurface Raceways
+ c2 A# V' J/ X X3 \' B! e12-1602 Use of Surface Raceway (Appendix B)
; W0 e4 Y5 c: \5 o8 X- O12-1604 Temperature Limitations; w8 l' N4 I& N! u+ V8 P a
12-1606 Conductors in Surface Raceways (Appendix B)* a, Y0 U8 N+ a5 t7 |: F1 ~
12-1608 Maximum Voltage
/ c5 D- @2 s5 B( w4 K. r' P12-1610 Joints and splices & R% ~- _# A; [6 w; _# S. C
Underfloor Raceways
% [+ A6 S4 ]& Q% X12-1712 Discontinued Outlets in Underfloor Raceways' b' R0 n+ o" O" t
Cellular Floors
$ x( Q( m" e' g% D' a$ s% e7 q12-1804 Maximum Conductor Size in Cellular Floor: X5 ?# H$ _1 Q- j% L$ m# H" X8 n
12-1820 Cellular floor discontinued outlets
% s" \9 o+ b+ s# X- U: Q0 HAuxiliary Gutters6 H* _. t% v" K3 z
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces! b# c( z& I, h' B* E. O
12-1902 Auxiliary Gutter Supports
/ G& Y4 E9 b6 K) [6 Q12-1904 Auxiliary Gutter Cross-Sectional Area
0 N4 j/ ~6 u! iBusways and Splitters/ w3 P& }# w, P, c- K
12-2004 AC Circuits in Busways and Splitters
, M9 c: _( @: c7 @$ k0 ~1 d# o* }12-2006 Busway and Splitter Supports+ Q6 V+ f1 Y4 M
12-2008 Method of Installation of Busways" M; u/ w6 e" k) ~1 W/ ~" N2 L
12-2012 Reduction in Size of Busways9 Y# I6 U5 ?$ r
12-2014 Length of Busways Used as Branch Circuits( [" F7 O6 q9 h2 u& V4 |3 V$ ?
12-2018 Taps in Splitters
/ n. y( y6 O1 O3 r3 B' T0 JWireways
6 s0 K9 D: x1 D12-2104 Conductors in Wireways
8 T6 m5 K* { L2 |) |12-2106 Taps and Splices in Wireways
P+ ~6 ^( D* | Cable Trays7 p$ F: M6 j! O
12-2200 Method of Installation (Appendix B)
' u6 P: q. e, ]; F v( |# Y1 O2 ?" e12-2204 Joints and Splices Within Cable Trays- x6 M) j% p9 S
12-2208 Provisions for Bonding" \" b; }- k- A; X
12-2210 Ampacities of Conductors in Cable Trays. t3 _* [5 A) b0 v. x5 `. N; I
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
% \. Z6 ?8 j; c* m. A7 H" y12-3000 Maximum Number of Outlets Per Circuit
+ @. j4 l" \; tN 8-3045 U0 r- B# q/ y* j
12-3002 Outlet Boxes (Appendix B)
6 l: E T2 V" d! Q$ sN 12-3000
4 N% q* g# x* Z! E% Y2 e12-3004 Outlet Box Covers0 F: B4 |0 Y( f K- s. ]# ]7 n
N 12-30028 G& m3 \ V8 `
12-3010 Boxes in Concrete Construction
+ Z: u! L- r. a' L; A; PN 12-3008) x8 O- X$ F' r$ `* }6 U4 Z
12-3012 Outlet Box Supports
8 B. \* `+ F( o, y sN 12-3010' n9 Q1 \( H& x- ~% v
12-3016 Accessibility of Junction Boxes2 E6 j+ n/ S: e1 `
N 12-3014
, K" A& ^$ h3 R12-3018 Flush Boxes, cabinets, and Fittings; O; `2 C6 p$ X. `& Z8 ]
N 12-3016* B. [% E3 P+ b3 x |
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) $ v) {& [" V5 O' b3 T
N 12-30221 N W9 s& t- P
12-3036 Maximum Number of conductors in a Box - Table 23
# R. b7 z% i9 O# A6 p O# n8 v4 G/ dN 12-3034
, Q4 p5 O! ]( X }2 n. A12-3038 Pull Box or Junction box Sizes& U3 c( S3 ?# E
N 12-3036. L' e1 L. H4 z( X# ] F
; A9 A Q" a' ]# U1 {" ?/ I: l+ HSection 14 Protection and Control, U4 n% `1 X) i1 ]% y) @
General Requirement
4 e: y' K5 c) k4 F14-010 Protective and Control Devices Required* N+ \) y- Q( K) Q
14-016 Connection of Devices3 C: d2 k" a5 B' b: p6 ]
Protective Devices – General9 a# ]1 B8 ~/ E6 e8 |3 Y
14-100 Overcurrent Devices Required/ G8 M& S, R) A
14-102 Ground Fault Protection (Appendix B)
$ b9 O4 L. W" P9 q. Z14-104 Rating of Overcurrent Devices (Appendix B) Table 13
+ G+ K( _6 L% I* l8 m. L8 {14-112 Overcurrent Devices in Parallel( W: F/ }) q0 z/ m6 e
Fuses8 ~1 ^5 ~3 h& g) w: ]4 ?- h" i
14-200 Time-Delay and Low-Melting Point Fuses
7 C. [8 |+ E1 s$ w [8 F0 ^14-202 Use of Plug Fuses
* e- d% ~% r, b8 z8 E5 I8 f14-208 Rating of Fuses6 {* X6 A1 [, Q1 b
14-212 Use of Fuses (Appendix B)
! j, }) j# b" G4 uCircuit Breakers K6 O" E$ D2 z- Y; e! y# q
14-300 Circuit Breakers, General
: V- [& `9 e: P/ ~14-306 Tripping Elements for Circuit Breakers+ p5 C2 v5 _. |4 g% S: `
14-308 Battery Control Power for Circuit Breakers
+ i3 g+ D; T4 a+ p4 JControl Devices - General+ M, D# x9 G1 s8 l
14-402 Disconnecting Means Required for Fused Circuits
& F2 k) K/ f8 d, H# j* ]9 F6 \Control Devices - Switches
: G4 w6 h* W5 I. ~3 K# M) y14-502 Mounting of knife Switches! t4 D, }/ b3 T1 Z+ l
14-504 Maximum Rating of Switches
# @1 T( t0 w! t7 v5 L1 u5 A% v14-508 Rating of General-Use AC/DC Switches (Appendix B)0 V7 W$ t3 F( X8 w
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
4 R8 ?5 I$ X H# Q& ^. A0 d- MSolid State Devices
" d6 ]( G, Q& P4 R7 C/ s14-700 Restriction of Use
9 m- A" Y5 M$ M3 p4 m$ |" k8 O8 h: J14-702 Disconnecting Means Required a1 W0 g7 L, I+ X0 o8 P4 m1 \
4 J T6 ]1 e# @8 z9 f' y
Section 16 Class 1 and Class 2 Circuits3 H2 C$ E1 G0 ], l a9 r' `
General6 x6 F2 r v9 Q. Q
16-004 Class 1 Extra-Low-Voltage Power Circuits
3 e$ ~1 }3 u* w: e3 n) _16-006 Class 2 Low-Energy Power Circuits
! F* A4 X b- E. r16-012 Circuits in Communication Cables
7 e: a2 y+ v1 o& J ^# PClass 1 Circuits7 w& g' z' v6 @' k3 @! f/ U
16-100 Limitation of Class 1 Circuits; _7 c: E( D. ~7 Y$ P- j$ X7 [
16-104 Overcurrent Protection of Class 1 Circuits7 {1 h3 c7 i6 S: m
16-106 Location of Overcurrent Devices in Class 1 Circuits
- h: b, W+ ]& @' F: R16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers6 J* N* R6 D3 e6 ?
16-110 Conductor Material and Sizes. n) Y, T' O; \4 Y1 |
16-112 Insulated Conductors for Class 1 Wiring
1 H H0 m( c# D5 H0 cClass 2 Circuits$ d2 p1 i+ N& y. e
16-200 Limitations of Class 2 Circuits (Appendix B)4 H/ U1 `) q% _! z
16-204 Marking4 o( D8 H4 z I. X# z0 I! D/ |
16-206 Overcurrent Protection for Class 2 Circuits1 k0 F2 F. ~1 ?$ \
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
) r$ z6 j. K4 E; mELC: extra-low-voltage cable5 P/ O% p+ x% m$ q+ Y! v1 x# N
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
7 `( e0 y$ k! f; V% p! m& e) {$ u
Section 18 Hazardous Locations+ p4 N. s& m* z$ N2 x
Scope and Introduction
7 I% P8 V4 _2 X& z18-004 Classification1 q7 }1 `* y; R D/ B* N
18-006 Division of Class I Locations (Appendices B and J)
5 s/ W5 z2 e/ D18-008 Division of Class II Locations (Appendix B)! p# L& p; B* k( S% A, F
18-010 Division of Class III Locations (Appendix B)- L3 s/ {6 c L" I' X8 D
General
% S0 v z$ K0 Q0 q, o# h18-062 Metal-Covered Cable (Appendix B): \0 d/ v* Q0 Y7 L/ l
Installations in Class 1, Zone 1 Location
: P$ ?8 c# |/ @) Z! B( |. H2 o18-108 Sealing, Class I, Zone I (Appendix B)$ }5 a- f( l; T5 l* o5 A! C" V
8 C9 U+ d" A! I' u' t! | n
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
5 ?0 u. @7 T7 W8 q! uGasoline Dispensing and Service Stations
1 W3 |# P1 P% ^' E$ y- }4 n20-002 General: u1 h! V+ b7 n5 }& G) E
20-004 Hazardous Area (Appendix B)9 |* I) G c Q4 k0 c* V
Propane Dispensing, Container Filling, and Storage- m% V3 J! w& |+ Y+ E; p& S j
20-034 Hazardous Areas - Table 63, }6 h9 f7 m0 N
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
8 P( W6 Z3 o) P% ^3 v/ |20-062 Hazardous Areas
3 _$ k, E! K I* C4 Y+ fCommercial Garages – Repairs and Storage" C G# F* \& P9 m6 M' V
20-100 Scope* V+ U# I0 C4 T8 H% M. w
20-102 Hazardous Areas (1) ( i; l2 i3 H5 V5 S( ]$ R$ U5 X
9 ]! s% W! I% L6 d& SSection 24 Patient Care Areas% c" B$ e: j! K( F
24-000 Scope (Appendix B)
N" A1 X% ~0 {: }2 u2 M24-002 Special Terminology (Appendix B)
' I6 L2 {+ h% p W6 y6 w' [+ D Patient care area
# \$ p* Y* K2 @4 m1 X4 L1 vPatient Care Areas
2 `: A7 q% {6 I& P5 w; [, x24-106 Receptacles in Basic Care Areas (Appendix B), e7 P8 \1 `" d* `' W" P* V$ {6 @
Isolated Systems+ V1 r6 R7 m8 p
24-204 Single-Phase Isolated Circuits (Appendix B)* u, V' N1 Y E' h
24-206
6 }9 Y! R" x# e: S) a
# ^) o0 W; [# Q5 GSection 26 Installation of Electrical Equipment5 P2 R0 H0 m6 G% G, b7 O
General) |- @9 l7 m5 {1 O& o
26-004 Equipment Over Combustible Surfaces (Appendix B)
* j; m% a$ j4 G0 c) \6 b6 s26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
. E5 N, E# ]& S7 G9 }. l' a Isolating Switches( p- m3 y1 E% B% M) I6 W* _. u
26-100 Location of Isolating Switches3 j/ Q5 Q( B$ s ?
Capacitors
8 F2 d0 `2 N0 J26-204 Guarding of Capacitors* n) m8 C4 b0 Y8 F
26-206 Grounding of Capacitors
! b' }) N- [; d' p. o26-208 Conductor Size for Capacitors
1 G8 A1 b k5 v9 Q( N26-210 Overcurrent Protection (Appendix B)1 {0 B- [* v. K- q6 J
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
/ a. r) a f3 n& _26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
4 S8 e( O& H/ N+ ^8 R26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits& D9 p: x0 Q! ^' D! V
26-218 Special Provisions for Motor Circuit Capacitors
) o, E* n' J7 Q) B- n26-222 Drainage of Stored Charge of Capacitors3 f1 ]% y# p) b
Transformers- R. ~% g, T6 {8 z# ]
26-240 Transformers, General; M8 C U) A( i- @
26-242 Outdoor Transformer Installations
& J) D {8 P7 O( ~' e26-244 Transformers, Mounted on Roofs (Appendix B)
6 n% e O: j! P/ l4 @8 } @26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B); x% S1 w0 |8 V
26-248 Dry-Core, Open-Ventilated Type Transformers
# F& \' ]4 m- z; A8 D& S0 A26-250 Disconnecting Means for Transformers
0 r& v9 l7 a. ^% f6 m& ?/ b26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V' V- N5 R" Q/ m8 u# K3 N2 J
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers, ~) A4 y! H% U9 S" ~
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
) Z% e* P g( G8 E& T26-258 Conductor Size for Transformers; X4 m8 I' X9 |+ h8 n; {
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)3 M+ P/ }5 w) g5 w. o
26-262 Marking of Transformers3 }! T; I* X+ J5 [! ^
26-264 Auto-Transformers
: o- ~( n0 Y9 Y% P8 V* \: VFences' g' ^3 X. v( C# F
26-302 Clearance of Equipment - Table 33
4 o/ B8 d: ]: l) y% |Panelboards7 E: ` }+ y8 K/ H& g
26-400 Panelboards in Dwelling Units (Appendix B)
- z" i& G0 |: V1 e26-402 Location of Panelboards (Appendix G)
$ z( o$ y, L' ?$ D, b. p: [ |Lightning Arresters' h4 @9 p% m. }3 N& J9 ?& I
26-508 Connection of Lightning Arresters7 M: W2 P) }2 P4 ~
Storage Batteries7 X1 _6 }0 ?8 Q1 V7 E4 r
26-542 Special Terminology
' M- }$ P: T ]26-550 Battery Installation
' V1 U1 d/ o( }8 `0 [6 p2 H9 X26-552 Wiring to Batteries+ g! i* o: @* W; a
Arc Lamps
z1 F3 S- O5 K, B% n! d$ ?! U+ t# p26-600 Location of Arc Lamps! y& k' y9 o7 Y
26-602 Conductors to Arc Lamps4 j" e' f- ?& ]8 p6 T: j
26-608 Globes and Spark Arresters
7 O* p! l" w1 N) m6 M" n+ L' MReceptacles
: w0 Y9 z9 S" g& E& T: L5 Y3 N26-700 General (Appendix B)
6 \4 q6 y2 |$ o8 P5 G/ C26-702 Receptacles Exposed to the Weather
9 I7 a+ e0 |. L7 YReceptacles in Residential Occupancies8 N) Q# l3 S' ~; e; Y- G
26-710 General (Appendices B and G)
3 r; l* D e# Q; N8 d( p26-712 Receptacles in Dwelling Units (Appendices B and G)% b! g7 t+ j y7 [* O
26-714 Receptacles in Single Dwellings (Appendices B and G) m9 k) x* ~6 L1 f
Branch Circuits in Residential Occupancies
& c( Z5 o* P- f4 F1 }26-720 General1 ~$ x# k! m' M' h3 l0 t
26-722 Branch Circuits in Dwelling Units3 q# I( l% |; b$ A- K( Z* [ s2 A
26-724 Branch Circuits in Single Dwellings# k$ J( E6 t! v' I0 w4 z* |
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
9 q$ z _) Q( W) U8 s; bN 26-720 (F)
+ X2 l3 E: Q2 Z" z8 j4 ZElectric Heating and Cooking Appliances, b C: B8 \' N; E0 ]
26-744 Supply connections for Appliances& S) ~6 P# h; V' U, O1 O
26-750 Installation of Storage-Tank Water Heaters
! y1 M- [/ E/ h0 b4 C8 L: j) I26-752 Infrared Drying Lamps) A! x7 E* d! y# q$ ^
, y% l2 z8 J, k: b+ _4 r, qSection 28 Motors and Generators
; m+ S/ M1 }: h+ l; L; _! {General
' E* u" u* q. S* {9 `) {28-010 Special Terminology% A4 h, u% ]% S6 P0 ?
Hermetic refrigerant motor compressor
0 R9 B6 x) n" B7 U9 KLocked rotor current rating
$ m1 Y) E- R# o M4 FService Factor- ]4 _' L; ?1 m- m; {+ l+ C
Table 44; Table 45; Table-D2
; \% q9 D4 ~8 e5 I& DWiring Methods and Conductors
/ [8 Y& l+ w9 K$ X) t28-102 Portable Motors
0 D( e5 W- E; I( |! }" T0 z28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity+ P; z: O5 K" k( S* f/ V
28-106 Conductors, Individual Motors7 W( c4 U; j/ ?& n$ ]2 k1 C
28-108 Conductors, Two or More Motors
! J# j" m3 q& q28-110 Feeder Conductors% l7 J& E) v9 }& E! k
28-112 Secondary Conductors0 `# A+ L9 C% K9 z6 E5 ]6 U' d
Overcurrent Protection+ J. N0 m; n2 h: Z! B
28-200 Branch Circuit Overcurrent Protection& h* F, c" l# K
28-204 Feeder Overcurrent Protection
1 E B5 c- |, ` _ V, c( c! d28-206 Grouping of Motors on a Single Branch Circuit: s$ q9 ?5 z$ J% D+ s6 _) l
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)1 t. v: j, H/ l$ W0 O3 u
Overload and Overheating Protection. d/ `! ]% e/ E6 f3 e2 Q, ]2 u# j
28-302 Types of Overload Protection* N: H: {2 i. t
28-304 Number and Location of Overload Devices (Appendix B) Table 25- D( n' r |, \" j( A! Q
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
/ L( w! p; | E* p% l( n/ Q28-308 Overload Protection Not Required; N' t7 ~( z j' s( k
Undervoltage Protection & ^# j( h% i1 ]7 {: M+ B
28-400 Undervoltage Protection Required for Motors (Appendix B)
; d5 e, _3 H6 i' q7 |2 f& I8 eControl1 R9 K( e/ `! o
28-500 Control Required- F7 U J" g! x' J/ |6 k( A
28-502 Control Location
# I3 i% i W/ ~28-504 Starters Having Different Starting and Running Position
* O: |0 v I3 H0 f+ u+ S28-506 Grounded Control Circuit- @5 u( z+ J: D; q7 Z
Disconnecting Means! @4 T& H8 g% ]3 j( v V* C2 @1 D
28-600 Disconnecting Means Required
- `4 d& B! J$ h, Y1 {; v! ]28-602 Types and Ratings of disconnecting Means (Appendix B)* I. ]4 h3 O. h4 N
28-604 Location of Disconnecting Means
7 Z, I$ V4 W# ^) Q Hermetic Refrigerant Motor-Compressors
3 G" Z, g. T k2 J; _28-706 Conductor Ampacity, R% u9 G$ O. E# N4 W
28-708 Overcurrent Protection: O9 `9 u/ C" G& l Q% z
28-714 Disconnecting Means3 q c- m7 y0 U- v7 b6 @. D
Protection and Control of Generators, h* k: e" s0 n. w8 `, N
28-900 Disconnecting Means Required for Generators
( e( d& Y6 o- P1 q28-902 Protection of Constant-Voltage Generators
/ L( V) j% E2 S! d e28-904 Generator Not Driven by Electricity
- A: `! N( d! E. O28-906 Balancer sets3 B* j$ ]/ V! ^" b) u3 K+ L
28-908 Three-Wire Direct-Current Generators
' s) I( k1 ^3 w4 G, ]4 {) L. |
& T! M6 g" ~, i2 k0 m& A3 \% QSection 30 Installation of Lighting Equipment+ |. @, J5 T5 T" E( n
30-002 Special Terminology (Appendix B)
: F6 }) U2 N- h( P: ^7 b4 k/ F$ N, P9 X! BGeneral
0 P5 z" q) W7 ]' F! a# T30-102 Voltage
. f4 j. ]- Y. Z' A: D30-104 Protection (Appendix B)
1 v9 C" N7 m: u8 i8 ?" L30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment4 R S/ K/ r' p
30-108 Polarization of Luminaires4 M. x- ~% N6 C$ @
30-110 Bonding of Lighting Equipment2 ~0 \/ J" H I* X
Location of Lighting Equipment% H T4 t; L% \2 n
30-200 Near or Over Combustible Material# Q l9 [; O( J) h) f' p! o$ L
30-202 In Show Windows6 e" t2 d( x% @6 p* J
30-204 In Clothes Closets
- x }+ V$ k9 J8 B' ZInstallation of Lighting Equipment: K+ l5 N8 m2 B7 a
30-302 Support9 g8 @# A4 q" i0 x- a4 {2 a5 Q
30-304 Outlet Boxes to be Covered
% C' ?" `3 U! l$ |0 o. A30-308 Circuit Connections
`, p* v* c6 x% R30-310 Luminaire as a Raceway
2 `( P4 C- C3 {, H7 \% ^30-314 Minimum Height of Low Luminaires) i! {# P2 n9 ]/ O% x) k4 |$ m) A
30-316 Luminaires Exposed to Flying Objects
" Q) o1 t; a: W( {& P+ `- ~: C30-320 Luminaires in Damp or Wet Locations
, M! z" x# m. ?# F& ]5 uN 30-318, I* N/ p" b" ~ l" @9 _
Wiring of Lighting Equipment# W7 Q$ v5 y; ?9 s& _7 f
30-400 Wiring of Luminaires. z3 O' M8 X- h" n4 `
30-402 Colour Coding
3 x) I) G5 ^" Z% J30-404 Conductor Insulation
& ]6 f- u3 i# u: a' i- R* a4 h30-406 Conductors on Movable Parts
! N5 A5 X5 A. d: W z; W( H30-408 Wiring of Ceiling Outlet Boxes
1 C8 \& U( T. o* C30-410 Wiring of Show Window Luminaires8 w0 L( v# H) p0 E% a+ D& L
30-412 Tap Connection Conductors
& T! C5 H$ s! |Luminaires in buildings of Residential Occupancy
8 b) s7 ?! N( a8 a5 b J30-500 Lighting Equipment at Entrances (Appendix G)$ h# s- ~5 z$ i5 Y7 `. _! p& ^
30-502 Luminaires in Dwelling Units (Appendix G)
: e+ C% s- e: ~. |+ N# I30-504 Stairways (Appendix G)
' L9 k8 K6 C2 c; f30-506 Basements (Appendix G)
! `' V" L% U& @% E9 M30-508 Storage Rooms (Appendix G)
6 m* B/ e$ v8 o0 v9 h+ M30-510 Garages and Carports (Appendix G)* q- l* G l2 J- P0 ^: G% ?% }+ S2 F/ ]
Lampholders& ^* c( T/ S4 W: |4 q
30-600 Lampholder rating with Incandescent Lamps
' s' V4 ]& C3 v" @N CANCEL
$ A/ e9 Q* J5 x4 J30-602 Connections to Lampholders
- }! @7 O& I" {$ a+ j# {N 30-600+ d, a0 P' q7 T; y( P
30-604 Switched Lampholders Used on Unidentified Circuits
7 s+ j3 b! L# c- JN 30-602
5 n* R0 g) M0 ^; v30-606 Switched Lampholders with Pull-Type Mechanisms
4 _. p8 U! ^6 l! p. D( e K" p& QN 30-604- b: [6 Z1 H# s3 A: w. E$ e
30-610 Pendant Lampholders
. Q- z( m* w7 d8 p- \N 30-608
% }, e! h/ o/ B7 {- cElectric-Discharge Lighting Systems Operating at 1000V or Less- w$ J+ O& L4 j: [" v! B- R
30-710 Control (Appendix B)) Z: w) x$ N1 Y P1 N! L- \) A
30-712 Branch Circuit Capacity
* l2 [5 z1 ]2 ^" N4 o: p- `! YElectric-Discharge Lighting Systems Operating at More Than 1000V
X! O7 G% i9 f3 p. w7 u- q. n" M30-802 Voltages, Dwelling Units
8 I" k+ h4 k& D# \: ]6 O30-804 control (Appendix B)
. f$ U! o4 {3 ^/ v4 D3 yRecessed Luminaires (Appendix G)3 F. p% J0 A1 \& ~8 N0 _0 x1 b2 U
30-902 Spacings for Non-IC Type Luminaires
- \& L" w9 c* q( V" ^30-910 Wiring of Recessed Luminaires (Appendix B)
5 V; _& H0 B# K+ U# v5 M. c9 @Exposed Wiring for Permanent Outdoor Lighting0 d: r2 Q" f2 u. y6 ]8 z J, P9 o5 s. L
30-1120 Branch Circuit Loading and Protection
, F0 Z4 p$ e+ @& K) [' R6 d6 wExtra-Low-Voltage Lighting Systems2 ]$ x1 n$ U: H4 W% H/ U2 `0 y
30-1202 Sources of Supply& J5 y+ ?' e' n- z# S# d, `
4 h' l# K$ B( J6 p2 p0 R1 o G4 K
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
' e( B1 z/ O3 j" eFire Alarm Systems7 F; D/ R, D0 r9 L8 G) S3 X! b
32-100 Conductors" O2 x* z) d+ ~& |# y
32-102 Wiring Method3 [1 D. q0 C! K: T- B/ _
32-104 Equipment Bonding
& n/ \) Z, y. r32-106 Electrical Supervision
. R7 J R6 q. w, T* T32-108 Current Supply
$ z0 c! H9 C' y6 N& Y, _' J6 z32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
9 c; m# q2 }1 D* aFire Pumps/ j, p7 k/ j0 j/ t% }
32-208 Overcurrent Protection (Appendix B)
3 U% d$ r( v& e9 |+ UN 32-2068 L3 p X* R4 H* Z, e- D
32-210 Overload and Overheating Protection (Appendix B)
1 z# H0 N6 C: H0 C: o* r6 J+ }. P32-212 Ground Fault Circuit Interrupter (Appendix B), L! P- o' j+ R/ \
- g, B2 K% N/ W
Section 36 High-Voltage Installations
: t- C4 r) S1 m; `0 z8 t5 l6 |General$ J1 R; k& F5 C" ^
36-000 Scope (Appendix B)
/ R% v+ n9 K4 V: }6 |36-006 Warning Notices. c5 c& u) }# ]8 t0 `, q, t
Wiring Methods: N4 R3 `! d, r( j3 i6 \0 d( q0 L
36-102 Radii of Bends' i! N! B# g2 g/ y
36-104 Shielding of thermoset insulated conductors8 E" L, ?3 N( k# l/ ?
36-108 Spacing of Exposed Conductors (1) table 30, table 31 E( v; r, S! f/ A8 I4 G
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
% s8 W0 \8 n% vControl and Protective Equipment
& _6 i3 e/ N2 V9 t- R" G36-214 Disconnecting Means. |; S1 q5 M9 U3 O6 y
Grounding and Bonding
; Z- B& j8 j2 X- W% ^( ]36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
1 z6 z) U. A$ ] y; B* |36-302 Station Ground Electrode (Appendix B)
' y6 e$ b" C" Q% d7 W7 M: k36-304 Station Ground Resistance (Appendix B)
9 M. P6 C- \: t7 s9 ]36-308 Connections to the Station Ground Electrode (Appendix B)$ t/ P* E3 t3 y$ A9 ?
36-310 Gang-Operated Switch Handle Grounds5 F2 A" i1 h4 w+ P, R* ]. n W
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations! R1 x; a& R. t3 t! N
: Y/ c& u+ {$ C ?+ ?Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
% p, D5 E I- v) B38-002 Special Terminology (Appendix B)& b4 `+ D& m7 e8 ?4 d, V9 t
38-003 Voltage Limitations (Appendix B)
) U8 ~+ y" @& X9 y( S6 Z+ |38-004 Live Parts Enclosed; x" K* j0 Y P$ y
38-005 Working Clearances
- g* N! n4 }, e p) s* Q7 f: I38-011 Insulation and Types of Conductors |( z# R2 `+ c& F
38-012 Minimum Size of Conductors6 ~" @5 z( {$ A2 n! b. i! x
) J, }' M1 T7 s7 jSection 40 Electric Cranes and Hoists
: O0 D& @' }+ p+ h1 i& M40-008 Disconnecting Means
, A9 P: B" _- {; M h! F) n40-010 Main Contact Conductors, P$ A6 S9 h2 P
* ?9 d# x1 D$ |1 tSection 42 Electric Welders
# w- {7 c: s* ^. G- s5 Z6 TTransformer Arc Welders
, v3 S5 o7 f" S+ I4 K- }, d v6 ]" v42-006 Supply Conductors
; F& l* I! j x, v3 l9 _ L8 m# F) |2 F7 f& Q1 o
Section 44: Theatre Installations/ O9 V4 p. v. D/ w# w
General
" r1 U0 N( j4 F* A6 ?& W44-104 Number of Conductors in Raceways
) _4 L1 W( u4 a& o% c' a44-106 Aisle Lights in Moving Picture Theatres+ |9 k" ~8 r. q, b: Q
Fixed Stage Switchboards
- ?- U( Q; b$ T$ u; ~- X44-210 Overcurrent Protection2 i& \. A! Y: @+ O, p4 h+ a
Fixed Stage Equipment
7 S/ E/ P3 i8 Q+ {+ o1 y44-324 Receptacles in Gallery Pockets* Y& t8 K7 G+ X8 Y" P
44-326 Receptacles and Plugs* t% [& Z' e+ @$ Z% a6 c
1 W' [% G5 Z$ i- L# E" m( ySection 46 Emergency Systems, Unit Equipment, and Exit Signs6 L$ ]5 k! B6 Q2 B* R" U' |! W
General: }5 |" K# ^& R% w+ `, G5 _9 {: B
46-102 Instructions
2 m9 K& |& T$ V. _! `46-108 Method of Wiring (Appendices B and G)
2 T8 j. R/ w1 B5 A% X3 W8 M, KEmergency Systems
: S9 |: V t( r46-202 Supply (Appendix G). G" ]* ^: P% Q# m3 p# U4 s
46-204 Control" D5 u4 r8 l6 U' w) m2 s* |
46-206 Overcurrent Protection8 P9 q7 X" z) I$ Z6 J7 s, C
46-210 Remote Lamps3 H5 x8 S4 S d
Unit Equipment
+ Z% U5 O1 m4 I4 Q46-304 Supply Connections; `( N! e! m" J- ]# @6 W+ m
46-306 Remote Lamps (Appendix B)
9 V" ]9 @/ T( J8 GExit Signs% i1 |% B+ }. s$ ]
46-400 Exit Signs (Appendix B and G)
" G9 f% ?% A; {, }' f7 @" x# `! ?0 T4 K5 H# G5 ~6 \& S; j
Section 54 Community Antenna Distribution and Radio and Television Installations
5 }9 T7 Y$ s: }! X2 \1 A54-000 Scope% l' U* q( m; O: O
54-004 Community Antenna Distribution (Appendix B)
1 g# y9 U9 k% j c1 l8 l1 {: U( xCommunity Antenna distribution: `& g" q' ]1 O* A
54-100 Conductors& n5 f" w$ r. I. E$ Q% r. Y- f) i
54-102 Voltage and Current Limitations (Appendix B)
; J; |: e: ?& `' GProtection U1 p; y) B. f, w1 N
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
) n' J. Z; i/ J' JGrounding. S. X1 h+ |. o& c! H2 _: `
54-300 Grounding Conductor, S9 d+ X0 I$ g- Z+ y6 ^
Conductors Within Buildings
; x4 U% {5 f7 o; m2 F. N54-400 Separation from Other Conductors
6 g0 S8 \- ^$ g3 D1 q; |; k" x) D* lEquipment
. K! u8 q3 }% P# A54-500 Community Antenna Distribution Amplifiers and Other Power Sources
, w8 v% r+ r" ^: B7 _; O4 w' {2 T1 y' _54-502 Exposed Equipment and Terminations. Q+ J9 v: F* I
" ?8 w$ c6 O- VSection 56 Optical Fiber Cables
' s5 m2 T: x4 M& GGeneral2 x) } x/ I! @
56-100 Special Terminology
* i- t% x: p4 [+ S/ e+ |56-102 Types
( u2 }- M4 `6 }5 Y: W, _Installation Methods- G' ?* g: Z# w. [! c* p
56-200 Nonconductive Optical Fiber Cables (Appendix B)
0 b) {9 G, ?. o56-202 Conductive Optical Fiber Cables (Appendix B)- L" j8 ` n+ L
56-204 Hybrid Cables
% O* a' c/ p* [" N9 n56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)7 p. T* ^$ N7 ?3 f
/ l( m E9 r" p( a- ~7 ~( d
Section 60 Electrical Communication Systems
# K3 C1 v4 q$ u7 F6 q: K0 SGeneral! r, C& d% d9 i9 l: u
60-100 Special Terminology
q. Z D& P7 t6 B5 x% A9 l! mProtection
+ E, M ^; J% a I. b; \4 b0 _( [; g60-202 Primary Protector Requirements' M/ U: C+ _# g% _4 P# b
Inside Conductors
: h2 K6 c) Z2 a) @. J6 d- k- q6 F60-308 Separation from Other Conductors) U7 V6 e$ |& F6 C) }
Equipment
$ H. c, o, h3 D0 z; l60-404 Exposed Equipment and Terminations: _- p) z$ X6 ^! t
Underground Circuits8 o6 a7 s7 i4 }4 y5 P$ F
60-600 Direct Buried Systems( L" U L9 c& N9 c
% ~. u) T, {! u! y
Section 62 Fixed Electric Space and Surface Heating Systems* S; U# ^4 R* P; M1 g) G
General' p/ O- s7 x: N0 n; T, c
62-102 Special Terminology6 Q5 _% D. | s+ ~6 M8 C3 b0 {- _
62-108 Branch Circuits$ U& } `$ c1 n6 Z( M$ e* Q
62-110 Installation of Fixtures
1 ^2 ` G1 n1 E2 e3 T. [62-114 Overcurrent Protection and Grouping (Appendix B) (5)5 M i+ `' g/ Q2 Y" D" _/ j
62-116 Demand Factors for Service Conductors and Feeders (2)/ \. w5 j8 o4 A+ ~
62-118 Temperature Control Devices, M$ {: z, B5 ? n* R+ x8 B% |. f) h
62-122 Installation of Series Heating Cable Sets (4)(7)+ d6 y6 I |( g% O( P
Electric Space Heating Systems. P3 H2 D8 d& j9 n* N; D
62-202 Temperature Control8 A% F7 @& D( @7 K5 K
62-206 Proximity of Other Wiring (Appendix B); x" I% R+ F/ N
62-214 Installation of Heating Panels and Heating Panel Sets
3 e1 b+ R1 k2 k1 p8 U7 M! u, _62-218 Series Heating Cable Sets in Cement or Plaster Ceilings$ T. l7 I6 O7 G6 e/ [ S4 \
62-226 Installation of Under-Floor Covering Heating Panel Sets, R; P. U$ a* k! r2 N" g0 H; p
Electric Surface Heating Systems
5 N, E6 E* L+ x* _2 E1 o- \4 V6 t62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
: z* S: C% t% t* a* Q$ B! c7 D2 V4 }3 V; b, D
Section 68 Pools, Tubs, and Spas
- V3 ~9 X% \" n& E6 wGeneral3 e; s" `9 E3 L, L' I
68-050 Special Terminology
% b8 y O4 F$ A68-056 Underground Wiring - Table 61
* h( j% ^5 b. r4 m( z B V! G* X$ O% J68-058 Bonding to Ground (Appendix B)
) P( ^5 f( W) l4 `8 `68-060 Junction and Deck Boxes (Appendix B)! U) B' |& O( A) x# O. x7 |
68-064 Receptacles
; [" r z& P9 V68-066 Luminaires and Lighting Equipment
! @9 m9 w3 r$ M68-068 Ground Fault Circuit Interrupters (Appendix B)+ Z6 I$ a& A9 l+ P9 s3 J1 y/ s4 f- M
' ?2 ]( `' _5 Q( K) K4 g; tSection 70 — Electrical requirements for factory-built relocatable structures and + O; f6 C+ S4 b
non-relocatable structures6 ^" F# E7 F0 G( W4 I
70-130 Tests (see Appendix B)9 w% I$ U/ x$ m. H2 e" |4 k' ]( O c
* [3 u g! r' N8 M; d6 Z& ySection 76 Temporary Wiring (Appendix G)0 B) @( x: Q( G. w
76-004 Grounding
8 \" G$ f7 ^$ X& Z% v* R' w76-008 Service Entrance Equipment1 C }3 l6 D" a, K/ P/ \$ p) d$ X
N 76-006* }$ L, _6 l/ v5 ~! `7 E
76-014 Branch Circuits
$ _0 U7 C8 R! ? B( {N 76-012
, L+ F' H; N" S' z
# g9 Y* P( V/ A7 USection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
5 o' _# h! I4 b/ _: h- J9 b/ BMarinas and Yacht Clubs2 o" t" |- |& A t1 F4 L. o5 Y
78-052 Receptacles: @6 q* Y4 m* z: l: Z" H8 K; j
78-056 Feeders and Services6 F* B5 K/ g, O+ f2 y5 h
Marine Wharves, Structures, and Fishing Harbours
) M5 k% b4 A* N78-106 Grounding and Bonding+ o) G4 j1 N9 [7 @2 l* ^
Tables
& e% b, c6 X+ S+ e3 {: S1 t3 h1,2,3,4,5A,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) T6 n4 y% g: L4 l( h& [
8 y0 [2 F5 V5 q3 ~: p7 zDiagrams: 1, 2, 7
: j T; @, p' t- \# S d3 {- U4 a
) X+ b: P C/ k/ L9 n4 b! n" ?Appendix B/ |: G, C0 g! T% @! [9 h
P352: Ground fault circuit interrupter- 6mA5 Z/ _, p) ~+ m V7 B- o
P354: 2-126 FT1, FT4
# E; s9 g# t: G, z5 IP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)# U) @( B" v2 Q
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)( N$ T: \( ^1 J2 w; \0 k7 e
P370: 12-1012, 1118, 1214 Example:9 K; V$ _) E4 d6 N. z
P371: 12-1108. k0 g; n4 ` [, S6 `: h& x, H
P381: 18-108(1)(b), 18-158(1)(b)
% ?* @8 m) A7 k/ P+ L5 EP386: 24-206- V5 k7 p1 L8 B$ G4 S! n2 q) k" D
P389: 26-2560 t" j2 ?& d, \
P391-P393: Section 28, Example to determine Motor Conductors and Protection' G* {! X. G0 E& o2 \- N0 |* O$ k
- l1 }$ D7 h7 V* k0 }" d HAppendix D5 l! I! \9 ] e1 P7 A' e
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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