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Canadian Electrical Code Review Guide
- M: s8 j0 Z* G; k' c1 [For the Exam of Electrician For Red Seal License
; V9 M" ]) H' f n$ | Y4 [% h) [2 @ V; L4 W
Lesson One
% B+ j/ j' D0 Y0 P2 dSection 0 DEFINITIONS
5 e; j: c2 k7 V! q: cThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:/ G# K" M" D; n/ ^. E5 v7 ]& k
Accessible as applied to wiring methods
6 C5 s) w! x7 i! Z& E5 X" p+ ^7 KAlive or live
; X6 J+ a" n+ ?* K6 w7 }. cAluminum-sheathed cable; w2 C( }; ?- ~, f* L
Ampacity/ Z' p j/ X( O' e% i
Authorized person
' d! z7 p6 O+ J0 P5 y- vAuxiliary gutter
! K' Q& a1 b; d+ Q' s4 v) pAWG9 m7 M, t# d3 [, w$ [
Bonding) J( r. u. W* b6 J1 m9 _
Cable tray
o& a$ D& d4 K, @% `! \1 wCellular floor: Z" w; K8 z% ]2 [9 `
Branch circuit
0 A6 l$ h) f+ ?Bus
1 p4 g" O( L9 b( P$ @Busway
: N! Q& P6 V9 v k! |; @Communication circuit
' x* J2 N, S2 L& A3 C1 v9 z! [Extra-low-voltage power circuit. r# u( @) J- ?0 @
Low-energy power circuit" S$ u6 m$ W/ }! H# q" Q3 S4 K4 X
Multi-wire branch circuit$ n! X0 z: j7 N/ D( X
Remote control circuit7 V5 c$ Q3 D4 r
Signal circuit( J! K! Y: N, l! L& E& |# v
Circuit breaker
- U" \+ I6 ]0 ]Instantaneous-trip circuit breaker. @: x8 k8 o2 F5 j% H/ {8 U' A
Conductor
- A* \; P# ^) ^! I2 O V% x/ OConduit
) ]% K+ ]4 }4 R1 y: `" X, }6 b0 z Flexible metal conduit
' m/ B8 e- p+ v Liquid-tight flexible conduit
' ?# E" e$ c0 y h% J# _ Rigid conduit2 j. V: z: `1 q h6 ~' S
Rigid metal conduit
2 b" t7 E# m0 K1 p* p0 L Rigid nonmetallic conduit
* `6 X. B" i( V) h- {4 o Rigid PVC conduit3 ?1 D4 ]5 p8 S# h# N
Connector
) U; P5 B0 l i! n3 X Box connector
& E8 |- c2 u8 i7 \1 o* e N0 L Wire connector- U# H5 C/ U' E1 k
Controller
! @2 A$ E4 W* nDisconnecting means$ P( D$ w5 L A* i7 y; B
Dust-tight
# ^& m/ |6 a' X& i/ z* l% WDwelling unit" v, }8 q4 C9 `7 D% v9 q
Electrical contractor! U. N' a# a9 v/ N9 q- G2 p
Electrical metallic tubing
& w0 y1 D& n4 |6 e( }Electrical nonmetallic tubing
( ]* d0 {4 m) {# I# e, iEmergency lighting6 v- ?8 b) O) j$ @
Explosion-proof% e* }6 P; q( ]$ ^' e. o2 u$ G
Extra-low-voltage power circuit
?2 o$ B0 _$ _# ^Feeder. e# B; h S. E4 ]7 Z/ G
Flexible metal conduit1 R' @, |$ ^ y, u
Ground
& I6 J% y- M5 H1 d* U+ m W/ {Ground fault circuit interrupter% R3 \' e1 @% E! Z/ {
Grounded
1 n' }% _; ^: x* ^/ \Grounding
3 K& G, @( l Y* D Q, T+ gGrounding conductor
! Q4 V4 Z( n* J8 BGrounding electrode
% t1 K1 }- u/ h9 M3 DGuarded
* P& G# ]& [; E, E) |% PHoistway
' H' r$ a$ \) i6 mIdentified
& a! ~5 {( [& A9 t0 ]Lampholder6 A% O# @, q) ], E% F; }
Low-voltage protection6 ], a- V s0 U* R' q
Low-voltage release+ |0 L! j( R( k
Neutral5 r% m' E0 Q* L6 X# }
Noncombustible construction
& d, @8 D+ U3 M4 b+ F; u" [$ NOutlet3 u& `8 y/ O, |% n8 K& |( @
Outline lighting; ?, m$ b; }% o% t. Z, t+ k5 N
Over current device. w7 k8 i, L2 Q9 R, v" F8 O* U
Overload device7 T8 T2 |: C0 K% Z
Panel board
/ b% j$ S: }0 C/ E) B: l, G, YPanelboard, enclosed
0 D9 X- `( g6 X Y+ {- Z* NPermanently connected equipment
( ]# l8 F' l' m+ [7 I% ^Permit% p! Z9 |- | \( x4 \/ O! y
Plenum
* E: L5 h6 |1 H, X/ i. H& TPortable as applied to electrical equipment
. Z6 Q) j3 r. ^. [; a( [7 QPortable ground fault circuit interrupter/ z' | F: u+ n* E/ C* }( Q. ]
Power supply cord
. A1 Q* [8 h/ I! V. z. wRaceway+ _0 `0 k4 z o' K( \8 z, q4 v6 P, o
Receptacle' y: U% A9 Q- {1 {8 K# W
Duplex receptacle
6 S- j4 t% K N: e& Z& i! O Single receptacle) _* h4 \. t: C1 Q1 ^
Split receptacle
( l/ G% c; \9 B8 kService, consumer‘s
( s. N( z5 {; t( H$ r( M" g# I) S1 fService, supply
* Z' u. @! H$ z* ~Service box
6 n$ P$ x8 T# O$ F( _6 f* eService room! }% k& q7 [7 q# ^2 p0 ~$ p/ O
Single-dwelling
# i4 k2 g( g7 P; L6 k' o7 [Slow-burning as applied to conductor insulation/ L2 A& C* |9 q& P: J/ D& C
Splitter
) R8 p( Y# d) Z+ r1 A, zStarter3 P1 S8 {1 [+ `' m
Switch* k7 u6 {4 z5 W* q- O2 N% p( d l
General-use switch* Y9 }# h5 {6 P0 u7 C
Indicating switch# a1 n) {7 e. ]9 \3 Y6 ~" G
Isolating switch
6 B/ B% a' h ]. ?% H Motor-circuit switch
: E% W" e1 }& _, o N9 fSystem
& G* d. l5 F; C4 i% P8 s Communication system
; n1 |2 r6 a1 K2 W Community antenna distribution system(CATV)
% n, f# d0 B, d) ?3 P Grounding system% s. s( {: f9 f+ I$ m
Underfloor raceway
! S0 k& p1 o B6 sVoltage:: Z* n; J( b: D" J
Extra-low voltage$ B! C& d4 ^) Q
High voltage, Y. ]* L/ v* d6 X
Low voltage- p8 a& A' P9 b: o" v) q
Voltage of a circuit
' X/ g8 A' b& f; z* K3 ]Voltage-to-ground
( ?. s- [' }* SWireway
) h) ^9 d2 p ^" M& U$ l5 _( P; e
+ X& f6 Q8 `, H3 X' n7 L1 @Section 2 GENERAL RULES
* J9 ?( ?! t, T/ sAdministrative1 A, }& C3 L N7 T: T4 G
2-018 Reconnection9 |% S- m7 |* }" c1 g2 }8 N
2-030 Deviation or Postponement1 s: k) _7 |: [6 D0 U+ \( p
Technical General
9 N% S( L7 ^7 n& @) J+ @( a/ m2-106 Circuit Voltage-to-Ground – Dwelling units
5 \( s: r5 R Z3 V# V3 w2 _2-114 Soldering Fluxes
( ?0 C. M& H" R7 g* N; e' W2-116 AWG Sizes of conductors
2 [( a- E6 O- `6 \" ]2 O2-124 Fire spread (see Appendices B and G)0 x1 Q( w8 u, s; |8 H+ s
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)& ]5 C: a) Y/ ~- w, M
Protection of Persons and Property9 c' p! U" n& w9 x K# M3 K, i
2-202 Guarding of Bare Live Parts3 ?' ?: D( G4 y
Maintenance and Operation7 j2 f; u) `, C& z9 h* H& o
2-304 Disconnection
1 ^+ D: H5 q K2-306 Maintenance of Live Equipment
, k3 u0 Y9 L! YN 2-306 Shock and flash protection (see Appendix B)1 [. A3 P h3 Y9 l5 S
2-308 Working Space About Electrical Equipment: Table-56
6 m, t$ B# Y# ?+ H9 W2-310 Entrance to, and Exit from, Working Space% w" Q% m5 A- Q$ E- s+ f
2-320 Drainage
9 t9 W% }2 n6 h$ a2-322 Electrical Equipment near combustible Gas Meters and other Devices
' @/ G7 ^# Z I: Z. u, iEnclosures
t6 A) V! e% D" v z. m2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) 7 {: t: L9 ?4 |! U" X3 ~
2-404 Marking of Motors: DP, WP, TE
% k% i0 d% V4 B+ n% @7 N
+ Z7 K& D8 w7 |Section 4 Conductors# F& H8 h, L/ r2 ]6 F' e9 g5 v4 O
4-000 Scope( L& C( N9 U5 }$ }$ R- F' S* C
4-002 Size of Conductors: 14#, 12#7 G& N' [6 C k# E: I9 h+ Y4 P
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
+ e1 M$ G2 s8 U2 N z) _4-006 Insulated Conductors: Table 19
& i0 ?8 c. }0 {& [( V# C: W4-010 Uses of Flexible Cord: Table 11
5 D7 H1 B/ i1 M2 f, R* G4 a8 S4-012 Sizes of Flexible Cord2 c; T0 @* \. ^6 E. R# c( Q b. j6 D
4-014 Ampacity of Flexible Cords: Table 12
7 o: {& p' b3 j( s7 P4-018 Equipment Wire" P7 j. X) |$ A6 L+ _0 b: L
4-020 Insulation of Neutral Conductors* s: O+ s) X; J S9 ]7 K" K
4-022 Size of Neutral conductor
6 K+ j( p1 p; g2 E8 v. s4-024 Common Neutral Conductor
a. | a6 j9 ?2 i: |4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum* x% N c0 l6 G$ D6 X8 D O
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
$ m n+ Y5 p. Y3 m4-032 Identification of Type MI Neutral Conductors% v' ~+ G+ r: a
4-034 Use of Identified Conductors0 T8 p2 p, z# q8 O A6 x Q" P
4-036 Colour of Conductors: Phase A, B, C, …( c, k- ~ k+ U
9 w0 m9 `- @* ~) bSection 6 Services and Service Equipment
" v+ b6 l" d) Y! X1 G* C2 [: EGeneral" ]/ r/ g1 f3 q1 W2 z
6-102 Number of Supply Services Permitted
: I8 u1 O% F) l' @7 e6-104 Number of Consumer’s Services Permitted in or on a Building
" a+ _% B) O2 f( k) g" B. n: b6-108 Supply Service from an Electric Railway System
2 n+ a- H) |7 e( }6 Q& L+ X2 N6-110 Three-wire Consumer’s Services
2 V: d% {3 E4 P" B+ y e6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors- U$ K P v2 J
6-114 Methods of terminating conductors at consumer’s service
3 T2 U% f1 `( L( F& x# z; B" T6-116 Consumer’s Service Head Location
+ e, h" M+ r# c$ r5 CControl and Protective Equipment
0 I& U' x# m3 A6-200 Service Equipment( p/ `1 e4 ^* X% G3 c2 C
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e): T8 V3 w1 Q) b4 R V
6-208 Consumer’s Service Conductors Location
8 V8 _8 V/ l& o$ d, i0 l6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
. L7 ~5 W2 u$ E' k6-212 Wiring Space in Enclosures
& I A& |& D* W9 P- F9 u2 G6-214 Marking of Service Boxes, i" b$ ?* v7 }5 X4 I6 j$ K
Wiring Methods
1 H7 a3 g# x6 Z" i# p1 Y4 [6-300 Underground Consumer’s Services& e, x& T* V) Q" @
6-302 Overhead Consumer’s Service Conductors
+ ?3 j$ ]9 @" \6 a- z& Z- M6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable8 O, ]8 L% i/ e+ M% ]2 y
6-306 Consumer’s Service Raceways( x' l l3 X! ?# B4 @1 N
6-308 Use of Bare Neutral in Consumer’s Service2 g$ Z; L8 M( n7 p3 Y8 e) {
6-310 Use of Joints in Consumer’s Service Neutral Conductors
- r$ V3 d g# w) y4 \6-312 Condensation in Consumer’s Service Raceway
' j& |6 X" s2 J" O; R! G' j9 W. V+ G6 XMetering Equipment
& j$ U. x. T9 K6-400 Metering Equipment
* ]% i+ G/ N: L7 D! n6-402 Method of Installing Meter Loops
" R: e+ U* B7 x; M2 I6-404 Enclosures for Instrument Transformers4 `6 c8 G+ @9 N% G' a9 A/ D$ p
6-408 Location of Meters
( L+ s9 c% U6 q# u3 ?1 {6 o+ G/ r5 s. k- Y* a
Section 8 Circuit Loading and Demand Factors& ~: \9 k5 F* N* H+ m
General
8 [6 E' U4 s- ]0 h0 N- n7 s8-100 Current Calculations7 l1 x& k9 q/ R4 @/ h9 d- p& U) o) }
8-102 Voltage Drop ( see Appendix D)
, E- Z4 T" V! U) a: d8-104 Maximum Circuit Loading) n+ B1 g8 K" I) S
8-108 Number of Branch Circuit Positions( j! E/ T4 K+ \) C7 R, B
8-110 Determination of Areas
# k* \! ^% R; i: c, R+ j" |Services and Feeders
" o5 F4 H) ^% R( ?: I4 R m# I8-200 Single Dwellings (see Appendix B)
/ ^) n" P3 L+ D: {8-202 Apartment and Similar Buildings
* r* B4 { H' L: \8-204 Schools0 \" i) Z& T% m
8-206 Hospitals
: a, w; e/ l) E9 `% d- n8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
$ J3 ?0 P ]/ l8-210 Other Types of Occupancy (Table 14)
8 [* b d+ n- j7 s, Z) z4 E- W8-212 Special Lighting Circuits
6 y) E/ p$ t |# |6 I' BBranch Circuits+ n* x- L$ |* s U1 @
8-300 Branch Circuits Supplying Electric Ranges
, `" u+ n& g; N4 H# i3 Z8-302 Connected Loads# C7 Y0 |9 H& K* ~" H( N5 V( a
7 K9 ]; d& Q# ~! FSection 10 Grounding and Bonding. i, x# e" h1 l1 J: W' Q
Scope and Object* Q) D( b$ ^2 W. W( ]5 ]
10-002 Object' {9 @ F- S& L% P7 [ ?: P6 t$ H
System and Circuit Grounding
& b9 |- [; s: v6 y10-102 Two-Wire Direct-Current Systems
2 h5 m- A8 M: O/ l10-104 Three-Wire Direct-Current Systems( O% P# z; }' T/ B0 G
10-106 Alternating-Current Systems) h9 c2 e5 X5 p
10-110 Electric Crane Circuits
; R3 N+ R/ G, k( [! y2 e( ^- e M10-114 Circuits of Less Than 50 V& S3 }7 K; i' Y' G
10-116 Instrument Transformer Circuits2 S- j7 a) B4 I! _6 z
Grounding Connections for Systems and Circuits
$ F/ S5 N5 A, i& S6 D10-200 Current Over Grounding and Bonding Conductors
8 h3 O! s* S. Z1 K+ h10-204 Grounding Connections for Alternating-Current Systems4 U; t) B. I( K2 p) s$ L
10-206 Grounding Connections for Isolated Systems) Z. _* D$ N( Q: H
10-210 Conductor to be Grounded
5 ^# p+ T5 h' Q, Q3 fConductor Enclosure Bonding6 y4 l1 Z' v" s, T# S4 e
10-302 Other Conductor Enclosures q1 d% q, b4 I7 `
N 10-304) v/ K6 ]* F( ~4 {0 x1 p* ^2 \
Equipment Bonding X8 n& R; X4 n
10-400 Fixed Equipment, General) H" \0 k: V; D M* U' n. c
10-402 Fixed Equipment, Specific (3), (4)0 u) U- F; W' h
10-404 In Nonmetallic Wiring Systems
/ P4 |. W4 [6 p10-406 Non-electrical Equipment. o* H4 l& D2 y! q3 N+ S' v+ H6 j8 _
10-408 Portable Equipment (4)(b)' k5 Z. \9 w* @0 U: i& x p3 N
10-410 Instrument Transformer Cases
e' c2 v# M& [, L10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less9 c" y& w3 V# t+ \- c
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
* J0 o$ S! {. }. B. oMethods of Grounding
+ S' I: ?' i2 b' t5 E& p6 I) X- N6 d10-500 Effective grounding (see Appendix B)
6 m6 U; D9 F3 w( K6 d10-502 Common grounding conductors) Y2 V. {. l- C6 ~1 a
10-504 Common grounding electrodes% V, U( D( O. Y \. B
Bonding Methods. `- h: S. A- Z- v# \0 e
10-600 Clean Surfaces
3 H( C7 `3 Z2 \. N) C4 b' _* \10-604 Bonding at Service Equipment
2 E( a, B6 V& q$ p) _1 {10-606 Means of Assuring Continuity at Service Equipment
4 z. L1 Y$ i- X3 t- K: H$ j10-610 Bonding at Other Than Service Equipment, H: f) _) B2 E# g
10-612 Loosely Jointed Metal Raceways) j$ X" Z2 n. W; Z
10-614 Bonding Jumpers Table 41: |( D5 U0 c/ I% ^
Grounding Electrodes
4 S% N) E9 n+ E+ l: ^10-700 Grounding Electrodes5 Z& _# m6 e; |3 ]3 Y
10-702 Artificial Grounding Electrodes. Z+ C3 \( W( j$ d! `9 J
N 10-700 & 10-702/ i' Q1 q9 X3 T' m5 Z
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
, R; c" y- U$ X# k4 b' @N 10-702. ?6 e2 I2 u( s
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding0 z* ~, M+ ?& H; r+ p a
N 10-702
2 l0 J( B/ Y6 Z X. u' t3 M10-710 Use of Lightning Rods (Appendices B and G)
& q2 t6 U) b; X- k, ?* W2 U" z) IN 10-7067 c: X0 ^0 H0 I
Grounding and Bonding Conductors
% _* V+ @ L% N3 w+ A4 g. |% H$ T10-800 Continuity of Grounding and Bonding Conductors$ `" U) x8 F! ~* ?' V
10-802 Material for System Grounding Conductors1 }/ T! A! s( W* c
10-804 Material for Bonding Conductors! K+ S+ l4 h( O- O/ R! X
10-806 Installation of System Grounding Conductors* [1 v# r- N; B' {" K2 y- H; W
10-808 Installation of Equipment Bonding Conductors
$ H! v0 I! ]- [/ c% q# h10-810 Grounding Conductor Size for DC Circuits+ w# _8 q5 a N
10-812 Grounding Conductor Size for AC Systems (see Appendix B), D" Q8 k! K8 Q1 K7 Y% W4 K
10-814 Bonding Conductor Size (Appendix B)% }. }4 _: s, H( K
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
& |4 M2 N9 j) o9 e: o5 p10-818 Bonding Conductor for Outline Lighting+ O& l. X8 I/ c, b Z9 H
10-820 Bonding Conductor Size for Instrument Transformers1 ^6 Q8 c, Y1 k4 e7 J3 f
Grounding and Bonding Conductor Connections6 \0 l, K% D( |, L9 e* _' ?
10-902 Grounding Conduct Connection to Water Pipe Electrodes
% {6 S6 a8 W! M10-906 Bonding conductor connection to circuits and equipment* Z4 r5 _+ k$ C% Y1 T( C* l
10-908 Grounding Conductor Connection to Electrodes
: t) K0 i0 b+ c3 ]Lightning Arresters
$ E7 m6 b( K+ L# P+ q% Z6 ?10-1000 Lightning Arresters on Secondary Services – 750V or Less9 F3 ?! ~* J, `/ ?
$ b/ ~8 I$ P, X8 K) {; c. MSection 12 – Wiring Methods6 k. `% c: W0 D6 Z; P! T x5 Q
Scope
% Z+ \! \" X* Y12-000 Scope (Appendix B)
0 `/ _" p+ k& i. H% [! c' {5 U7 ~General Requirement
; [6 Q7 r" O: d% W' V2 g12-010 Wiring in Ducts and Plenum Chambers
6 Q: O! e6 {. Y* D( E12-012 Underground Installations (Appendix B)
) K4 w% F! X3 T# l7 C: N7 {12-016 Lightning Rod Conductors& {- t; s) y4 s$ J0 ]$ a" {
Conductors - General
& X& f8 v5 B% I4 [* Y( H( ~12-100 Types of Conductors (Appendix B) Table 19
; o! m" ~; H9 g8 O12-102 Thermoplastic-Insulated Conductors& H# }1 i( W1 m
12-104 Flame Tested Coverings% s3 R) Y& _' j. Y+ [2 E0 _+ m
12-106 Multi- and Single- Conductor Cables6 i x* u5 J) v* g# {) T1 A0 u
12-108 Conductors in Parallel (Appendix B)
& A- l# o3 d9 @9 S12-112 Conductor Joints and Splices
2 a" A' i3 ?3 e( L8 d12-114 Ends of insulated conductors
( O2 W7 f1 ]/ {12-116 Termination of Conductors (Appendix B)
0 Y, {* w; l! s+ {, q# u12-118 Termination and Splicing of Aluminum Conductors
3 v+ z# X; u& N9 \12-120 Supporting of Conductors - Table 21
9 t' U5 t6 o! y; q- qOpen Wiring
( ~' ~: P2 d) d4 B12-204 Spacing of Conductors
4 e- j# W' o6 i12-206 Conductor Supports9 I b Q& Z6 M0 i3 `5 D7 p
12-208 Conductors on Flat Surfaces
+ l$ p: h+ @! e# k12-212 Protection from Mechanical Injury
3 g- a. P/ f7 H1 C' Z3 lExposed Wiring on Exteriors of buildings and between Buildings on the same Premises
. P; S) w5 w) I' A( B _12-308 Minimum Size of Overhead Conductors. y& I0 E6 M: J6 Q
12-318 Use of Neutral Supported Cables7 z7 q; s t7 ^0 C$ x
Nonmetallic Sheathed Cable
7 L* ~6 @4 ~+ N f- k( e! f" @2 J12-502 Maximum Voltage L+ n% C2 {5 B+ X
12-510 Running of cable between Boxes and Fittings (Appendix G), R: A3 b' I3 j$ r
12-514 Protection on joists and rafters
3 }9 E" w, l8 T: l7 E12-516 Protection for Cable in Concealed Installations (Appendix G) i; S$ X" B: A: ^. F) z
12-522 Where Outlet Boxes Are Not Required
- f" W3 I# a5 }Armoured Cable( e( ?2 E( N! y0 f9 |* x! U
12-602 Use (Appendix B)$ e+ O" w" x/ r
12-604 Protection for Armoured Cables in Lanes6 I- j0 }8 Y$ f ^8 n! Q
12-606 Use of Thermoplastic Covered Armoured Cable3 J9 q6 {2 R: H) o
12-608 Continuity of Armoured Cable
l* R j$ H9 Q) x" k% x12-610 Terminating Armoured Cable7 e5 k: C9 K( k& p1 R- u( _) _ [6 n
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems& P% R% X9 W: ^& ^ ^- V
12-614 Radii of Bends in Armoured Cables( ~! e- s% _% h$ v) q. ?
12-616 Concealed Armoured Cable Installation+ e6 H0 q6 Z. \5 W- V
12-618 Running of Cable between Boxes, Etc6 g7 Z1 w ?8 x1 a' ~0 u
Mineral-Insulated and Aluminum-Sheathed Cable5 y0 J8 a9 d5 H9 M+ x2 B
12-702 Use
! c6 t0 Q; `- E+ I$ |( `12-704 Use When Embedded
4 F9 p: ^) E% Y12-706 Method of Supporting+ N# W3 I& U% ~% {
12-708 Direct Earth Burial3 G6 v( W& d4 I: x5 j: _5 V+ v
12-710 Mechanical Protection
3 g8 H# l& \ h$ d& i7 A; g( x! I12-712 Radii of Bends0 M! t& {; N& H
12-714 Termination of Mineral-Insulated Cable (Appendix B)
( k. [. y% R3 q1 {: t0 `12-716 Connection to Other Forms of Wiring9 I' z" M: X: F' \! _
Flat Conductor Cable Type FCC; y* ~: p- Z1 N9 u/ R C5 p
12-804 Use Permitted
; r, O' {7 O" B3 z/ E" v12-806 Use Prohibited7 a$ e, k; k7 B3 I# I% N3 l6 G5 a( a, O
12-818 Anchoring
) N( l7 l0 q# _+ G12-820 Crossings# x' P; v1 Y' d: \% D9 {& V
Raceways - General7 }, ?" v# H4 z; Y& e/ J2 n
12-904 Conductors in Raceways
( j* P7 }0 F$ [0 `- Q+ O12-906 Protection of Conductors at Ends of Raceways
4 |: }7 d1 q& L& c12-908 Inserting Conductors in Raceways0 O1 t, B+ \; ~- j3 F
12-910 Joints or Splices Within Raceways2 O$ @$ h0 }$ {0 u
12-912 Stranding of Conductors
# ^( {: a2 B% q! }5 q12-914 Electrical Continuity of Raceways" p- R" F2 d( Z/ D9 I% D/ H
12-922 Radii of Bends in Raceways
; l9 D% t" y0 P8 j1 {N 12-922 Radii of Bends in Raceways Table 7: A4 ?; l2 ]: N! B6 w: p" t
12-932 Protection for Raceways in Lanes
, S' U) g+ o. R3 Y: \5 d! W/ G12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)% z* |6 J- s+ I, z, i" D. c
12-938 Capping of Unused Raceways
- k, _4 t4 Z7 @+ h/ s12-940 Maximum Number of Bends in Raceways; O# G' ^( {) j5 ]
Rigid and Flexible Metal Conduit
7 C$ U Z' V% ?2 X% w# Q6 A w12-1002 Use8 I# W6 B# W7 j8 a
12-1004 Minimum Size of Conduits* n2 h' H' K S0 j" M0 f
12-1006 Conduit Threads (Appendix B)
) J. b! J# w- `' f1 f" C: R% S12-1008 Thread Engagement
9 B8 S0 U9 x' H6 f& H0 K12-1010 Maximum Spacing of Conduit Supports! k. J( ^9 \( i( B' b) k% b$ _
12-1012 Expansion and Contraction of Conduits (Appendix B)- c5 K0 `, f' ~6 l' Y
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 1 Z. p" I, {( n( q- ?1 O' r
Rigid PVC Conduit and Rigid HFT Conduit+ k" v* h4 C0 N$ E/ V
12-1100 Use) ]' _. |: o+ I m, d/ H9 C
12-1102 Restrictions on Use
! T3 g) l0 F7 B! M; l% B7 G4 n5 M12-1104 Temperature Limitations (Appendix B)
- R h" x v! b+ O* l12-1108 Field Bends (Appendix B), (2)
4 R! s0 K" C; _3 I5 w, X- F# x, X6 z12-1110 Support of Luminaires
3 R$ X9 g6 S) x5 K7 N X* Q. L12-1112 Fittings
$ u. T( I3 |2 r; v12-1114 Maximum Spacing of Conduit Supports
" {8 V) T; Z1 l3 S6 x12-1116 Support of Equipment
4 k% O( K: s8 x( {. ?12-1118 Expansion Joints (Appendix B example)' |5 G' z" O# |$ @4 [+ |) x
Rigid RTRC Conduit$ P' u5 c4 F" z& g& Y. p0 G. M
12-1210 Temperature Limitations( S* K7 l# _# J e; Z+ f
12-1214 Expansion Joints (Appendix B)
" t" J1 p* k1 N% g0 E( PLiquid-Tight Flexible Conduit8 \+ |% Y6 C5 p/ b/ ^4 v- U' l5 ?
12-1302 Use of Liquid-Tight Flexible Conduit
: Z$ t6 u( x" }6 d12-1304 Maximum Number of Conductors
# W, z. A: g5 e4 `* p4 f5 l12-1306 Provisions for Bonding
: g, A3 ^& J; OElectrical Metallic Tubing
( X v0 \& b8 o. [12-1402 Use/ i- q/ X: S. y; R3 R* [
12-1404 Supports
$ Z% m) _: ?- i* L2 g6 z12-1406 Minimum Tubing Size
* M6 m- R* k: F. ]$ k12-1408 Maximum Number of Conductors
: V9 f+ z( a, R0 a12-1410 Connections and Couplings
7 a" t' y& c* {4 z% ~; B12-1412 Radii of Bends in Tubing
) b( Z6 z& c$ q7 QN Table 7% b: J2 V! T- ~0 M, x( u
Electrical Nonmetallic Tubing3 N* }$ h8 g2 P
12-1516 Provision for Bonding Continuity
: K( M) H! A) p- L+ [6 }: K8 @N 12-1514: l$ e/ D( c4 t+ s4 j3 B
Surface Raceways9 n0 Z# k- A, s! r8 H
12-1602 Use of Surface Raceway (Appendix B)+ R: X6 O# d8 u1 n. [ X1 X
12-1604 Temperature Limitations5 x* {6 F/ R: u# _- ?7 E0 @
12-1606 Conductors in Surface Raceways (Appendix B)
) u1 Q u9 x% e+ Y: ?& P8 ~4 `& J12-1608 Maximum Voltage
- p9 }4 m7 ^, h+ Q, Y12-1610 Joints and splices ; p2 r$ ]5 T) @# n4 |2 Q7 t
Underfloor Raceways; p' i( x- o* K
12-1712 Discontinued Outlets in Underfloor Raceways0 v1 q4 w4 j2 z
Cellular Floors4 Q( o2 D; z1 j. `
12-1804 Maximum Conductor Size in Cellular Floor
3 o6 S! J& y( U7 F12-1820 Cellular floor discontinued outlets
, ~4 C' M5 y3 i7 H) H8 p6 SAuxiliary Gutters
+ W5 a6 z0 E+ z; ~$ Y12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces( x$ |3 T9 E' G6 E$ Q7 M$ w
12-1902 Auxiliary Gutter Supports
: _/ U9 w. z: M. E4 n+ J" q12-1904 Auxiliary Gutter Cross-Sectional Area
5 L- E1 I( Q3 L1 x0 [2 @Busways and Splitters
- r( i" u, }8 U0 b/ C12-2004 AC Circuits in Busways and Splitters/ z6 i D8 Z, Q' a$ H4 R
12-2006 Busway and Splitter Supports m+ Y7 v$ n3 a& z* L: w% t
12-2008 Method of Installation of Busways& h2 `# a3 K9 `" S
12-2012 Reduction in Size of Busways5 J( y/ |# P( W4 `6 q
12-2014 Length of Busways Used as Branch Circuits
; I4 M, r% p3 U9 Z12-2018 Taps in Splitters( R5 H. a; _" ~8 T+ i
Wireways
2 k8 Q+ @+ x* q12-2104 Conductors in Wireways
2 L) J, c% C/ V9 n; J0 ~3 n12-2106 Taps and Splices in Wireways
, q3 Y8 h. {# e5 N% O8 _ Cable Trays
( m& ]1 A- G7 u; J4 Z12-2200 Method of Installation (Appendix B)2 Z" c/ b& N! V5 P
12-2204 Joints and Splices Within Cable Trays3 g1 N. Z$ U6 P8 e$ h
12-2208 Provisions for Bonding
1 \6 R: o: S* F5 j+ X12-2210 Ampacities of Conductors in Cable Trays+ Z7 l' Q/ D4 P4 B! O# {8 f
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings7 V) u5 J7 g, Z5 v
12-3000 Maximum Number of Outlets Per Circuit
: @0 P/ W9 ~6 u" A) pN 8-304
3 A. f8 h& c# d% _12-3002 Outlet Boxes (Appendix B)' N: H6 r* Z9 u7 @8 w) f
N 12-30003 B) H: } D9 \, @% J
12-3004 Outlet Box Covers
$ ~/ i. n5 c: S0 j" ?+ ZN 12-3002
1 g3 H9 ^- k7 e! i7 }9 H12-3010 Boxes in Concrete Construction/ u0 h" E9 U: T$ N3 k$ b5 s* X
N 12-3008
% l* H; F* l) i12-3012 Outlet Box Supports! r0 [8 w1 P/ J5 N, C5 ^" S
N 12-30108 C( \: R6 Y9 G* _3 v* G; _/ b2 g( B
12-3016 Accessibility of Junction Boxes" m# }- l! v2 E: B5 L
N 12-3014
7 q8 \% ?" g1 G# X: |3 ?8 `+ S" d12-3018 Flush Boxes, cabinets, and Fittings. o1 ^9 A$ W- L: f7 ~+ _
N 12-3016
/ K$ a! b. e0 n3 g* Q9 A" t12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
* @' _0 M3 D/ V X0 A: _# Z7 ZN 12-3022
' K- P. m( y. e* Q& K12-3036 Maximum Number of conductors in a Box - Table 23" _5 h% z3 J% I* S- O- M9 Q) `
N 12-3034
( X; j! d) l/ u8 y4 `12-3038 Pull Box or Junction box Sizes
% Y+ O, G( H4 s) q- aN 12-3036
9 G+ q/ D' ^; v: D3 U: n3 L1 M
) ?% `+ n: S* wSection 14 Protection and Control
2 z3 L0 w/ e6 o+ w( WGeneral Requirement
# R% V" r' ]1 ^ @$ D14-010 Protective and Control Devices Required9 C" D; ~7 y2 m% U0 _
14-016 Connection of Devices
- }: h4 D) N% r) X: i- k$ S* ^9 P Protective Devices – General; U. W) v b; z4 p# U5 u" M6 X
14-100 Overcurrent Devices Required' x; H, K! S6 i: \& J- q" [
14-102 Ground Fault Protection (Appendix B): G v& W+ F, n0 M4 Q
14-104 Rating of Overcurrent Devices (Appendix B) Table 13
2 g. n- M9 I9 k @14-112 Overcurrent Devices in Parallel' E2 H# `+ q. K6 G/ X6 \' {
Fuses
1 ]3 F% o# Z( y8 T$ m4 r! X' r14-200 Time-Delay and Low-Melting Point Fuses
5 Q4 g. F9 L' n14-202 Use of Plug Fuses) W, m5 w. H0 S. Z9 F: i
14-208 Rating of Fuses
/ U; E! C) k1 }) C14-212 Use of Fuses (Appendix B)
# V0 n$ f9 @6 u( a/ bCircuit Breakers
$ ^: H8 t2 }9 v# _5 v1 |14-300 Circuit Breakers, General
' \: Y8 R+ x: i e# K2 z14-306 Tripping Elements for Circuit Breakers( x% L0 g0 h' a. S$ `) e1 N( q d
14-308 Battery Control Power for Circuit Breakers
9 C: ^" X3 T/ ]. l* z. i. j& iControl Devices - General: p5 |+ z) h* u! m; h
14-402 Disconnecting Means Required for Fused Circuits; E8 z" v3 T% m0 u/ b% L0 W2 j+ q% }
Control Devices - Switches
( n1 \0 Q! l0 }* e/ d# n @14-502 Mounting of knife Switches$ y. K+ J2 I8 ?) E, E
14-504 Maximum Rating of Switches
- _& C9 X+ G. i# q14-508 Rating of General-Use AC/DC Switches (Appendix B)
* \' f E+ y9 L' _0 X0 h, x7 k14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
" W% a& r1 _( [: ~Solid State Devices, D2 D$ {5 v F6 z, r2 M
14-700 Restriction of Use" A9 ^2 `8 w! D: }/ z
14-702 Disconnecting Means Required* x5 \' R8 l) V$ W
0 R2 S9 Z7 {) n3 ~! K+ L: w% p+ r
Section 16 Class 1 and Class 2 Circuits
6 Z0 W5 R: t6 f% fGeneral
% {9 c) f, T% _5 H2 e" y, |+ y* b, I16-004 Class 1 Extra-Low-Voltage Power Circuits& D' O: o/ S3 Z7 D
16-006 Class 2 Low-Energy Power Circuits: ?) A0 }5 f9 O" S* T
16-012 Circuits in Communication Cables9 {8 A. e6 S+ h$ H9 w+ U
Class 1 Circuits
( `( \: v; W2 S: Y/ K16-100 Limitation of Class 1 Circuits
. l+ B+ f7 L+ y x: u1 e: F16-104 Overcurrent Protection of Class 1 Circuits, j' d3 g# N: l8 L
16-106 Location of Overcurrent Devices in Class 1 Circuits6 Q* o1 b& d* S; }2 n6 O
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers+ ^8 h* z8 P2 U
16-110 Conductor Material and Sizes4 n) E( |# n! j: `
16-112 Insulated Conductors for Class 1 Wiring
3 |* t5 H7 o3 hClass 2 Circuits2 W5 m/ p5 y" b4 e P. O
16-200 Limitations of Class 2 Circuits (Appendix B)7 P- d: Y4 D/ S7 E! E z
16-204 Marking
u& O& K2 F2 A9 h- P16-206 Overcurrent Protection for Class 2 Circuits4 x7 c6 h9 Z/ e, _$ v" l
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)3 Z" A* d$ c M+ Q
ELC: extra-low-voltage cable: g i9 R* b1 t- A8 e$ g
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
/ U0 M9 P O- h" @8 _, t" I. [4 b6 H1 M1 y) u( {
Section 18 Hazardous Locations
- [/ {2 K/ S( |+ g7 c8 ^Scope and Introduction
, W: x m& h8 D8 s! e* d* A+ n0 S18-004 Classification
) {' |# K8 p& H! \$ H18-006 Division of Class I Locations (Appendices B and J)" d7 v3 o0 E# h) i' }; `
18-008 Division of Class II Locations (Appendix B)
: Q+ ~+ u/ q. {2 |( M7 @7 E0 P. y% p18-010 Division of Class III Locations (Appendix B)+ d: ?1 h& r, y: Q4 D7 ^* u; C
General" A3 [- e3 h! K" ~) o
18-062 Metal-Covered Cable (Appendix B)
$ i8 a5 D0 P4 \Installations in Class 1, Zone 1 Location
; }4 B& D6 _- w V$ b/ B; @18-108 Sealing, Class I, Zone I (Appendix B)$ G: y8 o W' ?6 B' F
+ N% L% k# N1 t% N0 s5 qSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
* f2 S5 f! ^: f( J: e4 I) iGasoline Dispensing and Service Stations
: J, L2 r3 Z4 N) [+ q$ Q5 y20-002 General
; i% u! n" |) a$ K0 I z20-004 Hazardous Area (Appendix B) d& z ^; F$ Y, h1 R
Propane Dispensing, Container Filling, and Storage- D( M7 S# @9 R9 w
20-034 Hazardous Areas - Table 63' w6 T9 [; E! [0 I% |' N
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities4 W! C' ^4 E* b& O! V/ Y6 h
20-062 Hazardous Areas( S( v1 v% ^" o ~4 W! I
Commercial Garages – Repairs and Storage+ D) g: G2 L4 Y ~9 Z) p% ^
20-100 Scope
6 y3 Y; i# Z4 S20-102 Hazardous Areas (1) ( D6 ]: g+ A& ~% N: E1 O
. l0 {5 Z+ T @8 r
Section 24 Patient Care Areas
9 `3 h# ?$ E& [- o" n24-000 Scope (Appendix B)
+ N0 {" ?5 c& X$ A" k$ ~9 o24-002 Special Terminology (Appendix B)
( p( I$ L6 v- s Patient care area
1 u4 @7 t# H5 a6 m2 Q, C3 ?' m( OPatient Care Areas- x5 i0 ~ j7 {! o
24-106 Receptacles in Basic Care Areas (Appendix B)
1 V, p# p% @+ b1 tIsolated Systems, w. u% f" D/ [8 }* \' K; c
24-204 Single-Phase Isolated Circuits (Appendix B), `0 A' o% t @: b/ z: ~8 H' S
24-2069 d; D+ n+ {/ |* L$ C+ I" D
7 C0 I( F" C: ^7 ^$ M" vSection 26 Installation of Electrical Equipment6 j$ @8 E3 g; U) z
General- r3 y2 B% x( n5 U, W. p' W5 r2 N
26-004 Equipment Over Combustible Surfaces (Appendix B)* u0 H6 W9 F( ~/ ?
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G); U; c) Q0 E9 c& J
Isolating Switches* `8 P8 ^) q4 L" C/ M$ H! A
26-100 Location of Isolating Switches
* ]3 }8 R: }, Y3 WCapacitors
" ?& `" D* t) `1 G2 y& O. y3 u& X, {9 B26-204 Guarding of Capacitors
2 J) k) x& T4 N# A. y26-206 Grounding of Capacitors
. w1 e: N" Z8 n/ l, W ], i26-208 Conductor Size for Capacitors4 \# ?' m# m O4 B
26-210 Overcurrent Protection (Appendix B)
( U- ]0 w" g. S% l5 R4 [+ z, \% _26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
2 r8 }0 o d$ s26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
$ @+ ?7 g6 t: ^9 Y$ N( [26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
* N: x7 S+ R, E1 `$ m8 w* F26-218 Special Provisions for Motor Circuit Capacitors
9 r0 O- |- V# b0 u) Q8 e" n) |3 M26-222 Drainage of Stored Charge of Capacitors
% J7 Y8 i" ^' o: z' r! n5 ~Transformers+ E9 ` ?; J4 ^/ h% A: K/ H
26-240 Transformers, General
. }9 a1 ~4 ]7 o# N L: g26-242 Outdoor Transformer Installations+ |) B. c, v( e+ y# K% r
26-244 Transformers, Mounted on Roofs (Appendix B)% L+ V9 M% l8 G5 ~, Q6 p* x x% F+ z t: W9 j
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)$ ^4 D; }9 H+ T0 l
26-248 Dry-Core, Open-Ventilated Type Transformers. c3 _$ E7 {- K
26-250 Disconnecting Means for Transformers
3 } H) x: l% M( E26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V- O: a# y6 P! q2 d+ o
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers. m" ~: M) R0 y6 k+ e
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)7 f6 `# @1 A2 v
26-258 Conductor Size for Transformers
% D/ V b7 j' a- m26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
+ m0 q% ?6 n" f6 h' V& K26-262 Marking of Transformers
, A1 j4 q! q+ `; s26-264 Auto-Transformers$ K# l9 \; v0 w( H% z+ R
Fences
0 M2 Q) {) f( u& d26-302 Clearance of Equipment - Table 333 [; F$ @+ e, G1 e- u0 Q
Panelboards
$ j9 }9 N3 T! ?; y1 q26-400 Panelboards in Dwelling Units (Appendix B)) J! V X- o" h' ~7 R
26-402 Location of Panelboards (Appendix G)
P1 x z2 ^$ _% n; q" KLightning Arresters" m5 ]7 b1 M/ |: z5 h
26-508 Connection of Lightning Arresters- C. m5 i z7 G5 j
Storage Batteries/ G6 b# p _0 y! u
26-542 Special Terminology
! K X5 Q& q% ^! N0 W/ r/ \26-550 Battery Installation
( D! |$ p+ K3 }; A# X% @26-552 Wiring to Batteries
' C% V3 Z/ V# M4 {8 ~Arc Lamps
- f, ?1 H: u- G26-600 Location of Arc Lamps
/ V, Y7 ~# O. j, n8 U5 C26-602 Conductors to Arc Lamps# v1 ?4 w, F* R& E# l5 ]1 x
26-608 Globes and Spark Arresters
* I$ _% r1 n: V* VReceptacles
^( b4 k4 U0 R+ P5 _3 |# L2 W26-700 General (Appendix B)
" e5 }2 P0 D- u/ O26-702 Receptacles Exposed to the Weather
/ b* G# B8 h' aReceptacles in Residential Occupancies. n+ z& g0 J) u6 y# q3 m/ x3 f% \5 m
26-710 General (Appendices B and G)4 f+ ~' e) c" Z( r5 T
26-712 Receptacles in Dwelling Units (Appendices B and G)" A# M, _! X. c' k5 k6 p. q% |
26-714 Receptacles in Single Dwellings (Appendices B and G)
4 X, \ ?4 X: p8 `9 j9 N/ X6 wBranch Circuits in Residential Occupancies4 I4 X3 k0 X7 _% h, y5 X
26-720 General1 ]$ U7 {- J) r P# v
26-722 Branch Circuits in Dwelling Units% Q) Z8 j; T! {: F) [- ~4 | T
26-724 Branch Circuits in Single Dwellings2 ?# v% Z2 s/ k: M1 D9 O
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
; N; B6 N9 c, ~2 e/ Q' tN 26-720 (F); W+ f. {/ t; z4 L' b. v
Electric Heating and Cooking Appliances
7 k; W* `* |; h5 t26-744 Supply connections for Appliances
" \# Y: p/ _8 |+ v! P i4 N26-750 Installation of Storage-Tank Water Heaters
$ R. T; C# T5 u% v4 O26-752 Infrared Drying Lamps
0 M) n) ?( S% c8 g2 N7 y# h. S) h8 @4 s
Section 28 Motors and Generators9 D) l7 Q7 `7 q% Q4 z
General
v3 f7 Z' U l! m28-010 Special Terminology# |8 O" q; M! f
Hermetic refrigerant motor compressor
) s9 ^* p [1 k) FLocked rotor current rating; O1 c$ m$ U. _$ D4 [
Service Factor" @% ]6 `2 `* O) l
Table 44; Table 45; Table-D2" ~$ U/ V5 m6 k5 J/ j5 ?
Wiring Methods and Conductors I) M9 W; v- J" C* U7 x* q
28-102 Portable Motors4 D7 N0 K% e6 m8 r
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
) Z% j+ Y& B i7 A( p+ N28-106 Conductors, Individual Motors
1 R s+ k+ }, D1 C28-108 Conductors, Two or More Motors
$ [- ~/ ^5 t/ l+ R; p( d0 P28-110 Feeder Conductors
4 ~ D4 l( A5 r' d# n28-112 Secondary Conductors
9 g' Y+ S' \+ N* J; {" S6 K4 ]Overcurrent Protection: G$ f" n0 s: r7 o* E
28-200 Branch Circuit Overcurrent Protection
) ]2 i' c0 k4 E: @1 h. Z28-204 Feeder Overcurrent Protection: a5 M% [+ v" v+ [1 g( X
28-206 Grouping of Motors on a Single Branch Circuit$ G1 \' s4 A4 L' K
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)8 ?! @( L4 y1 Q5 j. J
Overload and Overheating Protection
P9 o+ Z1 e( Z28-302 Types of Overload Protection: A' J6 e m# @5 |0 n$ |+ G
28-304 Number and Location of Overload Devices (Appendix B) Table 253 V6 I! D2 n" r9 K, x8 J6 I* H1 C
28-306 Rating or Trip Selection of Overload Devices (Appendix B)4 y- j, @5 S# j" X; k/ r ^; s; B
28-308 Overload Protection Not Required: g, r; B$ H& N: g. F! A( Y* D( w
Undervoltage Protection / B, {$ `4 A5 S, o3 q- L
28-400 Undervoltage Protection Required for Motors (Appendix B)
, I7 `. B9 W: Z$ `( }& VControl L& S. }# o6 J
28-500 Control Required. w& S- m3 B. ]
28-502 Control Location
& j4 ]* Z. J. N2 d/ `) a; V28-504 Starters Having Different Starting and Running Position
5 b$ h& @' ^$ x3 n" t" i; F3 @28-506 Grounded Control Circuit
0 A, z: Q3 i" k% lDisconnecting Means
' x2 @: X. K; A28-600 Disconnecting Means Required. X9 k( @ F8 |" j1 R( s5 k3 D
28-602 Types and Ratings of disconnecting Means (Appendix B), W) X4 R4 J; G; l5 V
28-604 Location of Disconnecting Means
9 I# r0 y+ J) Z6 M4 p Hermetic Refrigerant Motor-Compressors' h! f1 j& Q. e
28-706 Conductor Ampacity
+ L( I, M" {$ X' O2 z- v28-708 Overcurrent Protection1 D6 T6 a( V" S5 w$ f
28-714 Disconnecting Means
- e5 e/ H; r0 S/ y; g2 rProtection and Control of Generators
% C+ W' L( g8 ~/ b28-900 Disconnecting Means Required for Generators
& E; j# n( p( |* b" h: N28-902 Protection of Constant-Voltage Generators
. o# U7 | X+ \' \5 G4 h" {. v7 F" M28-904 Generator Not Driven by Electricity, i. d* d" u4 o* X2 y, E4 U
28-906 Balancer sets
( A2 c6 @$ h, j4 c: I7 D% e28-908 Three-Wire Direct-Current Generators) m: w4 Z7 k4 h1 M5 u; g4 f
- c- Z8 e, Z0 P f, bSection 30 Installation of Lighting Equipment
5 d( B* q& o$ L/ `1 X! k30-002 Special Terminology (Appendix B)- W/ r" b6 `, e' l& E+ {& l* C, B& {
General* F# B) s* o5 W$ }, `; @8 Q
30-102 Voltage
, f* j; W3 Y2 ^& l$ e9 ?' B9 |30-104 Protection (Appendix B)
1 k A# I* {- H ]30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
& ?( o, |( { }30-108 Polarization of Luminaires7 |! R& n' X1 @: H. {; C
30-110 Bonding of Lighting Equipment+ E* y5 U9 C8 P+ _. C3 F
Location of Lighting Equipment; P: g+ P( f% E/ Y" |! r
30-200 Near or Over Combustible Material
7 |) f4 L5 u0 R. ]0 v, P9 w30-202 In Show Windows6 e( U; h; |" ^7 P
30-204 In Clothes Closets
# r$ l! O1 K2 t( tInstallation of Lighting Equipment
% f3 O5 c( S5 t" }30-302 Support* s( H( S8 l# y; `* W$ J
30-304 Outlet Boxes to be Covered% b+ Z$ m4 E5 s2 }. p+ _; H% Q
30-308 Circuit Connections
$ y J$ k* R9 v* l( c$ @: q: k7 d! }) j30-310 Luminaire as a Raceway1 I1 D" O) |0 X( a% B
30-314 Minimum Height of Low Luminaires2 H/ o1 s9 }8 H/ z, O8 [. r. ^
30-316 Luminaires Exposed to Flying Objects6 V# k2 E9 J0 O" P
30-320 Luminaires in Damp or Wet Locations
4 X, g6 t, l. eN 30-318$ n; U6 d% P% p
Wiring of Lighting Equipment9 Y4 d$ H l: @" f. l
30-400 Wiring of Luminaires# z. w, t) ]0 i; e$ z
30-402 Colour Coding1 _4 y0 o& I8 G/ }
30-404 Conductor Insulation$ |1 i% e' y) Y8 U9 U' D% K1 D! c
30-406 Conductors on Movable Parts0 X! I& o2 W% o8 }8 O' P" Y; q
30-408 Wiring of Ceiling Outlet Boxes3 d$ u9 X L6 c
30-410 Wiring of Show Window Luminaires1 ]9 |0 U6 o8 l( J, N' ~# R9 ?' i
30-412 Tap Connection Conductors6 F1 c3 b& c" w+ i' _
Luminaires in buildings of Residential Occupancy$ E5 ~% p/ r1 }% `) e S$ z
30-500 Lighting Equipment at Entrances (Appendix G)
: {7 t9 r& ~' e7 c9 f30-502 Luminaires in Dwelling Units (Appendix G); y" |: K x2 `+ y
30-504 Stairways (Appendix G)8 B8 C3 b4 }/ m
30-506 Basements (Appendix G)
9 p- Y) E( J( A8 B- i30-508 Storage Rooms (Appendix G)( X X# D. P: J
30-510 Garages and Carports (Appendix G)
6 I$ _, E/ N5 n% aLampholders
/ `# B' ?4 |5 q; P) ]: B30-600 Lampholder rating with Incandescent Lamps* c! N, g1 J; C6 r. G9 q
N CANCEL& p# p& l2 m/ D, K
30-602 Connections to Lampholders
. v+ w) }. d6 R! _/ TN 30-600
% R% q7 B( `$ C+ A% k* R8 V30-604 Switched Lampholders Used on Unidentified Circuits- h$ A/ \4 f2 v
N 30-602& G; ~5 }& S4 M
30-606 Switched Lampholders with Pull-Type Mechanisms, M h1 D! U" J9 i6 E# W! ]
N 30-604) V8 p* p# K7 ^4 a! t# Z5 s
30-610 Pendant Lampholders8 R" H8 Y3 o( J; B- g/ j
N 30-608
1 q3 p5 w! ?! E$ W y) mElectric-Discharge Lighting Systems Operating at 1000V or Less
3 j5 u! U+ M2 u/ d- ^! x% ^30-710 Control (Appendix B)
& n" S, c8 I2 w+ A P; h$ c30-712 Branch Circuit Capacity7 y7 t' ]0 d6 T% k/ r
Electric-Discharge Lighting Systems Operating at More Than 1000V8 a9 l+ D/ r0 x, I+ P v% ^" C6 \
30-802 Voltages, Dwelling Units
' ^6 } g+ Y$ n8 _& @30-804 control (Appendix B)
# G" P0 H5 Z1 T. u/ E# k2 {9 ?Recessed Luminaires (Appendix G)2 H- t5 S; V3 Q
30-902 Spacings for Non-IC Type Luminaires% k; e4 y. \4 O3 B, ?: B
30-910 Wiring of Recessed Luminaires (Appendix B). b0 G* R9 p# V Z
Exposed Wiring for Permanent Outdoor Lighting
& f9 P1 s) f9 o8 Z) S# Z4 Y30-1120 Branch Circuit Loading and Protection
0 T% f# d/ [0 Z+ O0 l' x) EExtra-Low-Voltage Lighting Systems- U7 H8 T) J$ h% q+ |1 ]
30-1202 Sources of Supply! T+ ~) A. y0 G& Z. S" J, A+ [. C
+ I9 P8 b/ j( dSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
9 Q* S4 y, p! { ]8 Q5 u( tFire Alarm Systems
/ m7 f2 w. l/ Q/ Z0 R- e( s32-100 Conductors* f7 F; A: }" S& e" i, M
32-102 Wiring Method m% s0 m; |5 m/ x3 k3 T6 P0 r: d# n
32-104 Equipment Bonding
, b7 ~9 z6 s% N. x32-106 Electrical Supervision/ L- k8 {' m* r4 {& q' K8 v* {
32-108 Current Supply% t( w' i% P4 f
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
# W, W. v2 a/ sFire Pumps
) l- \1 g ~" P% B. L( u32-208 Overcurrent Protection (Appendix B)
- H0 @+ l& R: p8 O! W) g IN 32-206# Q9 v h e, [5 O
32-210 Overload and Overheating Protection (Appendix B)
" D; k) O4 h5 t6 m6 \0 `" S- d# y2 n32-212 Ground Fault Circuit Interrupter (Appendix B)
+ ~( k/ o) h7 o6 J/ y& R1 |: e/ r
Section 36 High-Voltage Installations
( `2 m% E6 u6 X. }3 s UGeneral
2 _: v% o e1 N, P y, b' Z) l36-000 Scope (Appendix B)
. g: l& C) I/ P" ~" S36-006 Warning Notices7 U a7 J9 i' C1 v7 |5 m
Wiring Methods
* O4 T3 w2 k9 w( p' t36-102 Radii of Bends
5 g! a- _" o' Q" T% i5 Y36-104 Shielding of thermoset insulated conductors
2 k2 i' W7 }0 l) I36-108 Spacing of Exposed Conductors (1) table 30, table 318 m. G+ ^/ N4 r! h' V, B
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34$ K5 J1 U& X" O
Control and Protective Equipment8 @; {$ j" v& A+ [+ D2 s1 X
36-214 Disconnecting Means7 G* P: X% p' K& Z, o% K7 x
Grounding and Bonding
1 F5 ?! y! ]9 s36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
! x. {0 `. e# O, {* ]1 W36-302 Station Ground Electrode (Appendix B)
: h/ Z5 @9 L! N: P3 e2 S5 {' `36-304 Station Ground Resistance (Appendix B)
1 U" O& b6 z* ^* g* X V36-308 Connections to the Station Ground Electrode (Appendix B)
+ H, Y+ x* B% S36-310 Gang-Operated Switch Handle Grounds
+ x( F! }0 `! m$ l36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
5 J* b5 z$ i/ K! b& S/ `# p9 x5 o3 P! l' L" Z, Z( ^: s+ R
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
' m% S A1 D/ h9 h2 |38-002 Special Terminology (Appendix B)
0 T8 n! w# g# t" L38-003 Voltage Limitations (Appendix B): a7 Z% i8 g7 c' l) W1 R4 K
38-004 Live Parts Enclosed
# H. W1 H4 @) o' B- [5 W38-005 Working Clearances4 |4 a$ _ q: [. h3 @
38-011 Insulation and Types of Conductors6 Y1 h& {7 x- B3 V
38-012 Minimum Size of Conductors
1 v* ]# w' v* C4 i$ R9 @
! R0 Q# a1 K! K1 s: b5 A6 s5 L+ JSection 40 Electric Cranes and Hoists4 l, s ~/ O( Y- L1 n
40-008 Disconnecting Means5 M9 w! m6 G& Z# F
40-010 Main Contact Conductors
: D: v. `% q! ~8 h% B. F3 Z V8 D$ r! f1 {9 X, ~, a( L$ `* Z
Section 42 Electric Welders) c3 T. a9 x, i; j6 I* j
Transformer Arc Welders
1 ]' g& C0 _2 y" Z: I/ f! F' q/ |42-006 Supply Conductors/ m+ b! j- u! b) A
) y& q; O7 |6 t1 R7 L. f, F& a6 GSection 44: Theatre Installations9 [6 G" t; B6 I; x% N7 `- ^7 W
General4 C' S( ~0 y1 f- W
44-104 Number of Conductors in Raceways
; i, F {# J7 I2 s' d44-106 Aisle Lights in Moving Picture Theatres
, ?3 M/ a# G- ^. X0 f2 lFixed Stage Switchboards8 F9 N. G( C9 ^9 k' C
44-210 Overcurrent Protection/ j, W# K3 q) y# V0 s+ Z$ x$ O0 `: }% F
Fixed Stage Equipment
0 B) f1 ^- O2 T+ n9 {' t" I8 a44-324 Receptacles in Gallery Pockets
, o3 [& `1 V/ f u/ f2 U7 H* K8 g44-326 Receptacles and Plugs- O$ x7 q' v' @ S5 H9 s1 t& ~7 s+ s
+ `' |* f P) _& @* M- XSection 46 Emergency Systems, Unit Equipment, and Exit Signs0 X7 o. ?& z8 G9 \ E- O
General- _$ L6 r9 U5 i: Y2 m2 a$ C( F- T
46-102 Instructions
( j6 {- G7 M( _ g- b# Y2 t46-108 Method of Wiring (Appendices B and G)1 V. m- E9 t, N0 a0 l" S3 E) B4 u7 ]
Emergency Systems: x7 W5 j( n2 b4 _
46-202 Supply (Appendix G)
6 g8 x/ T' K4 V# I. w46-204 Control+ a @% X8 R( b. T+ G
46-206 Overcurrent Protection" b6 \! H3 f5 H+ r# X
46-210 Remote Lamps2 Y& G( r k3 ]# ^0 y
Unit Equipment8 Q7 ~, N W" e5 ~( K+ R# d
46-304 Supply Connections" Z! Y m n/ Z; Y2 j
46-306 Remote Lamps (Appendix B)
~( s9 g Y& x6 {4 a) lExit Signs
/ p& [7 X- @, K( J! `46-400 Exit Signs (Appendix B and G)
+ M0 h, e* _' D7 u+ U' k- _/ }9 f+ V7 r% a) ]# C6 E1 E
Section 54 Community Antenna Distribution and Radio and Television Installations
5 e! N6 F3 b, {1 `, b54-000 Scope- k+ y" p; I4 J2 ^* n2 \
54-004 Community Antenna Distribution (Appendix B)
) C2 I% Q- g1 v% Z' ?Community Antenna distribution! k2 E+ }$ [# w" Z
54-100 Conductors
6 C W: Y. T4 r54-102 Voltage and Current Limitations (Appendix B) E( t# @5 p/ B
Protection' `' P+ x2 y, g$ i9 x
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
( [3 `0 t! W9 L) r7 x# A0 T: PGrounding3 ~3 {" U( t s8 W% }
54-300 Grounding Conductor3 U+ J6 C5 K* Z( @7 [5 r; a0 V
Conductors Within Buildings
7 f9 w. N% [: T6 L; t2 o0 F T, H54-400 Separation from Other Conductors O- a4 k) B$ |* d5 s
Equipment% q/ `: y0 j" Z8 e! v1 h- i
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
9 \% M6 j1 ~% f: P7 A! ], S54-502 Exposed Equipment and Terminations8 H$ p& M) L4 |
0 g# R8 |% z& B! ~/ M3 V4 {Section 56 Optical Fiber Cables
2 E9 I2 W* K6 v, {+ H! bGeneral8 v2 N" g& t* \$ Z5 K6 i% d
56-100 Special Terminology
" D8 E" }* r/ i2 b56-102 Types9 w0 Z$ J: x# a- n+ P/ E
Installation Methods
5 y9 @' T F) t: `$ X! P3 s. B56-200 Nonconductive Optical Fiber Cables (Appendix B)- Z+ B1 Q! ^5 T, R% C
56-202 Conductive Optical Fiber Cables (Appendix B)
" | M8 C/ _6 t! u8 I" s56-204 Hybrid Cables
' t N9 k% i" A: p( u3 U \56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
- z; r' e* U; B
( i6 |4 K3 S+ ]1 Q+ C" |Section 60 Electrical Communication Systems
7 M0 r5 e# X& h5 zGeneral+ W, F0 p& t5 `7 M5 N9 {% [; b, |
60-100 Special Terminology. j1 W4 c& q; {2 T' H( T
Protection+ f, E# u- X o9 g& C6 Q( {
60-202 Primary Protector Requirements& B2 L" O4 `! |' ?/ b# J" V: t9 o' G
Inside Conductors/ S9 p. D% E* j$ f6 a5 h
60-308 Separation from Other Conductors% n: [$ @! I! M" H
Equipment
# H7 i1 t; T4 c8 X Y4 P6 l( q60-404 Exposed Equipment and Terminations
0 ?; j8 x+ y" [Underground Circuits
$ O9 m! A) r* A6 _5 r' n* [60-600 Direct Buried Systems
1 g$ t1 f& I; b8 z9 h# a3 h7 c. o
Section 62 Fixed Electric Space and Surface Heating Systems/ I8 z( t3 ^! q0 f: y: A. X; `
General7 \0 I3 v4 G7 j* e3 s& b! N3 l
62-102 Special Terminology
" G/ `8 ^# p+ l! Q- t# i+ n62-108 Branch Circuits5 s& t1 c/ y8 H+ a
62-110 Installation of Fixtures/ G. ]# s8 O. ~: B
62-114 Overcurrent Protection and Grouping (Appendix B) (5)9 g+ Y" N5 Y+ U* S" U
62-116 Demand Factors for Service Conductors and Feeders (2). p9 @( s9 C/ I
62-118 Temperature Control Devices+ ?, s& F( `+ z P T+ n3 z6 Q
62-122 Installation of Series Heating Cable Sets (4)(7)
# s3 B$ I5 {8 ?$ u( nElectric Space Heating Systems
$ G+ ~8 n, `. ?( X- u4 V7 F3 w% T62-202 Temperature Control, i7 u( X/ B. U. Z0 }
62-206 Proximity of Other Wiring (Appendix B)
9 N1 v+ F/ H$ G62-214 Installation of Heating Panels and Heating Panel Sets
) }9 b3 k0 A+ [# Z* E& ]62-218 Series Heating Cable Sets in Cement or Plaster Ceilings+ d% m! i6 X0 ?5 }4 d3 `
62-226 Installation of Under-Floor Covering Heating Panel Sets+ C3 b; S7 u1 [& o Q
Electric Surface Heating Systems, O4 L2 ?; h* X" j; ^$ {$ }& e
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface, k' S f* Q3 L: x4 |5 B
" [/ Q5 e' x; X8 rSection 68 Pools, Tubs, and Spas
7 U2 V3 v* w; uGeneral
) B+ M. U4 l a68-050 Special Terminology) P$ w! R; }2 R9 n) x) @/ B
68-056 Underground Wiring - Table 61. x( D; z5 ]; J, \5 r2 g
68-058 Bonding to Ground (Appendix B), S' S& Y8 F5 c) q0 m
68-060 Junction and Deck Boxes (Appendix B)
1 D- r% Y9 t: V# v X7 W68-064 Receptacles4 P* \7 x7 z. K
68-066 Luminaires and Lighting Equipment
2 ], { }% G1 h68-068 Ground Fault Circuit Interrupters (Appendix B)
3 ]6 ^1 u' }' E6 M
7 R9 P& S; W$ X5 Z% J" ?Section 70 — Electrical requirements for factory-built relocatable structures and % `, I5 u2 m$ R$ M* G# Z
non-relocatable structures
7 D G2 m. m1 L6 u% j70-130 Tests (see Appendix B)- D/ e. r0 B1 _& K" K; E
$ i: ~: O( {/ a" Y* g# Q# q! J
Section 76 Temporary Wiring (Appendix G)8 R! T. p* I6 z) n. H0 B
76-004 Grounding$ b: a* ]4 Z5 Z
76-008 Service Entrance Equipment1 j. }, Y* [3 z5 p- ?* S
N 76-006$ j+ c( K0 N# g. E* i
76-014 Branch Circuits4 q! m$ W0 @: T' {+ J7 a7 q
N 76-012/ N% N5 n5 T7 B# F! c* `( x* a
5 u2 T0 E; W& r% @$ [
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
$ }# ]3 s0 K. zMarinas and Yacht Clubs- E) D# q1 m% e* s2 b. Z
78-052 Receptacles
0 z& X1 R" X: [2 p% N! i' Q; F78-056 Feeders and Services8 i1 T4 Y- n; c: D q" {' X
Marine Wharves, Structures, and Fishing Harbours
2 m8 K# J6 j- B; m0 C78-106 Grounding and Bonding2 n, N' ^% P" S3 i* o
Tables
9 L" B! [1 t, N1,2,3,4,5A,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
8 H. g# g% U) {
" K% A+ [% X3 D9 ?+ r2 d, ]/ o5 IDiagrams: 1, 2, 7
& i- a9 n" _) w6 h: i' _# A5 f2 t9 x: s X$ P6 v( x, Y( Y
Appendix B+ I' U' a+ L0 N" r2 }
P352: Ground fault circuit interrupter- 6mA& ?0 y5 P; U# T4 s& e8 a& W% X
P354: 2-126 FT1, FT4; c* g; p) Q: H& W, |
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
/ W# O0 p, N% n' }8 e7 s" `P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
, [) g) O; e: ~( q5 z/ O" ?! M% oP370: 12-1012, 1118, 1214 Example:
5 |" R+ T6 j# Z4 M6 z& U/ TP371: 12-1108
* T/ @% X9 h( F. c4 GP381: 18-108(1)(b), 18-158(1)(b)
% `( W% ^4 n9 M6 Q0 MP386: 24-206
* ~6 H- c, u" \P389: 26-256
0 v+ P4 }8 n9 B- }" RP391-P393: Section 28, Example to determine Motor Conductors and Protection
1 \* }! h0 q1 p ~# M) m, K8 D
, b9 T: N# f) ~1 E3 y' Z7 bAppendix D
9 {& m) k$ |# f* p% E/ wTable D1, D2, D3, D4, D5, D6, D7, D16 |
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