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Canadian Electrical Code Review Guide
. i: o9 e6 \2 ?" `* yFor the Exam of Electrician For Red Seal License( s$ W, }& c( J( b7 C
]2 A+ g: x0 g/ Q4 ^; k
Lesson One
2 k6 w. C9 M" x9 g5 ySection 0 DEFINITIONS
" L6 O/ e$ u8 h: N) Y; c; y* ^This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
+ p# B' g* U6 y/ P& cAccessible as applied to wiring methods
3 H C$ H6 P$ l2 lAlive or live
$ k' \2 S! ^/ i( W9 nAluminum-sheathed cable
- h; H* O: F" M5 q) dAmpacity9 G: n. `" N2 ?% I, D% N
Authorized person
+ h* c8 e7 h& B0 d2 U. YAuxiliary gutter
$ E: z& L4 d" ^- h* x) n% ? VAWG4 j4 m' a) U; @2 G" X+ q
Bonding
" W. |* h1 Y8 X' B& _4 FCable tray8 G5 o F8 o: k2 w# S
Cellular floor
1 P6 q/ X+ Z! M* ]: I: aBranch circuit8 z% |1 \1 N/ u7 Q: ~5 M
Bus" ]4 O! i' _/ ~" Y) q2 t
Busway
- h1 H8 H3 X( ^/ Y4 \* `8 |Communication circuit
0 `/ q1 e0 P9 |* e2 cExtra-low-voltage power circuit5 _, p0 F3 J: Q4 d0 }
Low-energy power circuit
5 g" r. r1 N2 N; f) p* u- w4 Q FMulti-wire branch circuit
4 k1 D6 ~" p8 {1 bRemote control circuit( p6 \, N" D5 D( C N. s
Signal circuit
8 }# L" w% Z0 d( s/ bCircuit breaker+ ]5 O+ r* O7 ]; x# O! S
Instantaneous-trip circuit breaker
; n- [6 M' u& q5 g9 bConductor+ f7 |2 B5 C% P8 Z5 s" n9 U
Conduit
' O2 X: M7 @1 |4 t. M9 v& z: Z Flexible metal conduit
5 X3 {+ O) ^3 j2 U, h3 i# k+ g* U. W Liquid-tight flexible conduit
- d* H% {2 N$ E$ O Rigid conduit f9 x/ k g7 n6 ~: T6 d2 v/ `
Rigid metal conduit
( ^( x+ h7 d: U Rigid nonmetallic conduit
^: ^% L% L# C+ P9 C% l Rigid PVC conduit
$ f% `1 N$ {1 n! ~ eConnector: z- `) ~# n! D/ t- B" ~9 ]# N
Box connector
. z7 S6 p- K1 @. p. j# B Wire connector/ B0 }3 {( F% S+ d* j
Controller* \ G& Z( |& t6 y
Disconnecting means |) |& R% R; ?. K2 Z% K2 T
Dust-tight
- e( T- `3 J& ^ N- uDwelling unit1 ^! ]0 T( K& ^- [0 q, X
Electrical contractor
" r7 u6 t( F' a, g f0 k9 Q8 n' I3 A& R, gElectrical metallic tubing
/ s( ^8 ^" G7 {. j- Z* q$ A. AElectrical nonmetallic tubing
% U+ ]& D: X' ?5 E+ XEmergency lighting
7 f3 k) c% U7 }0 j" o9 I* ^! @Explosion-proof
$ e7 |; V" z; p6 t% T2 v5 j' Q+ CExtra-low-voltage power circuit
2 {# |1 X* }- e0 }Feeder: X0 @ L1 x8 R) a
Flexible metal conduit% U* {: P& u5 A
Ground
0 w& P" \' e! V5 ?Ground fault circuit interrupter0 Y3 s3 Q9 H0 x' _4 d2 f
Grounded |# s* H& G! M' r& T% C! L
Grounding6 G1 ?3 J7 { `& i6 z; n
Grounding conductor P* X7 N4 z/ p5 \( W
Grounding electrode+ z6 s! L) j0 B6 G0 c) C, U
Guarded
# \7 P+ C H' N" \; [" a' oHoistway- k' \$ V8 E; {7 y. ?5 p
Identified. _" Y" h( `6 i+ d# F! x( W
Lampholder* j' s: }" n1 }$ T6 g F4 T# h
Low-voltage protection3 Z3 Y" J" a& A! T# ]% s: N% u
Low-voltage release
" X& ]) P9 u- A0 j5 f$ eNeutral' I5 ], j) ?& }" Q" f3 z
Noncombustible construction) b- h8 |. T3 a$ U+ }' {. H
Outlet J4 ~/ i3 w9 x$ P6 X
Outline lighting5 f2 ~$ ]. [% w8 k& H0 M) z
Over current device
4 n+ Y6 f3 b: O0 [, k1 N8 z1 W, SOverload device9 |( d# a2 Z; u1 z
Panel board" A4 W2 O5 l3 t7 Z
Panelboard, enclosed
2 ]2 J: o& h( c: P- \Permanently connected equipment9 \3 Q2 ^ v. T1 u8 B, |1 l
Permit" U: v6 o. M3 z
Plenum! n! q) ?1 l9 [: \0 |: R$ D# W4 Y
Portable as applied to electrical equipment
7 V# w1 Q( o" k- |& J9 w' JPortable ground fault circuit interrupter+ ~1 N; D2 ~6 F$ K" [5 `4 }( O$ w
Power supply cord3 g0 g6 g2 [0 k. g9 t* L. _. u0 u
Raceway
8 ?& `8 P- i0 e' }5 O5 Y$ kReceptacle
; w, s& l/ J+ y" K i5 H) v' d Duplex receptacle- f% y5 t0 ? x0 s/ p1 a( L
Single receptacle1 V1 F. K" z* i1 r
Split receptacle4 `( v: j% q- g3 W; a4 R1 t# N7 Z
Service, consumer‘s
5 F# e4 g9 E) g( @% LService, supply. h- t- C: m0 H \" D
Service box
. R7 s+ u3 j8 l+ j' L) l; WService room
0 f8 g4 e3 I- `& v4 l. o! wSingle-dwelling
% ~; ]8 \* s iSlow-burning as applied to conductor insulation
. F3 M9 c+ A3 ?. |) a3 BSplitter/ F Z2 ~6 Y# k3 E) @9 q
Starter
, \- _# |% D0 L2 r; k( E8 Y9 wSwitch' v1 y& i7 O0 O7 a* C
General-use switch6 h# \: F! }8 p! l
Indicating switch
8 e# J, `2 O; v8 C3 U9 D& j7 A Isolating switch
h" c; N5 {9 } Y4 I Motor-circuit switch
* _( k; @; B/ S. P# E* @System6 n- c! o! Q4 Q6 \
Communication system
5 {5 V& x; |8 x. J( u Community antenna distribution system(CATV)
; _7 @" `( I ?# x( N9 Y Grounding system
1 A1 R$ Y* x2 C6 t- qUnderfloor raceway
, B( t" v, n3 |- BVoltage:2 t* Q- l3 L; f& a: h9 `
Extra-low voltage
, n0 \* U+ y7 |" Z$ I2 | High voltage( A4 B8 L, g# u7 r ^1 S
Low voltage: @& w' _& ~$ b5 W, c+ J
Voltage of a circuit$ X1 p/ o5 C% ~6 V4 o1 l
Voltage-to-ground
- c8 J1 i& \3 B% s6 @Wireway4 a2 W U4 H) W+ l. j
) ~3 _! l, s* O' j
Section 2 GENERAL RULES2 D! d) B4 [% I; n+ c) b' n
Administrative3 D; ^; m* q1 I6 F4 n
2-018 Reconnection
* V& ?* k- e8 t i+ d0 \& g, r2-030 Deviation or Postponement5 l+ ]4 s# O" Y% U* E& ?* f& g2 ~9 d
Technical General
! a8 H5 L* H/ C0 j( @% o2-106 Circuit Voltage-to-Ground – Dwelling units N3 _/ B$ z7 x! I2 w- J
2-114 Soldering Fluxes
7 `. q8 t5 x1 @9 Y9 q' H2-116 AWG Sizes of conductors
& j9 @" w; D- d2 D2-124 Fire spread (see Appendices B and G)3 y8 k' W) A- m% w8 W: e' G
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)6 J- E5 y( k( Z) X8 c
Protection of Persons and Property$ w/ e; I" m) L2 U4 l& u
2-202 Guarding of Bare Live Parts2 L7 |+ x* I5 H$ ]* X( t( t
Maintenance and Operation$ M0 M" e9 R) k. z [5 S
2-304 Disconnection
' B" G* h7 H( Q% ` x2-306 Maintenance of Live Equipment T- A8 F! ]3 m8 |- }6 j$ z
N 2-306 Shock and flash protection (see Appendix B)4 ^' o* n$ j2 r& b' w0 l2 c
2-308 Working Space About Electrical Equipment: Table-56% C% Z* F. J3 D- { K9 \4 x3 N
2-310 Entrance to, and Exit from, Working Space
, q( d, }2 O; u8 _: u2-320 Drainage: n* O' n! V: L. D( e
2-322 Electrical Equipment near combustible Gas Meters and other Devices
5 V2 R% E0 `$ Q8 Y" S8 q' VEnclosures
* U& L- v% ~+ w2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
6 V" S9 t \( @- R. a3 x+ X: C0 {2-404 Marking of Motors: DP, WP, TE
& q& D( b* u- {5 U0 W7 l " J% d6 w# W& f# ?% Q
Section 4 Conductors; B* b& E* N }/ o2 ~# C! W: ~
4-000 Scope
/ ?8 [" l1 V: K+ L$ @4 j1 P" D4-002 Size of Conductors: 14#, 12#
# o. X* n- I# j9 e3 c J4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36. S9 b/ U" U+ i! b
4-006 Insulated Conductors: Table 19
" e. O2 O- {6 B! n3 O. y2 J4-010 Uses of Flexible Cord: Table 11
: P1 f. s4 R# b4-012 Sizes of Flexible Cord
0 j+ b6 R9 b% @! z9 N4-014 Ampacity of Flexible Cords: Table 12
1 C$ Y: F7 U# [+ S3 r! P4-018 Equipment Wire# h) Y. K8 |) w K4 Q: U2 b& p
4-020 Insulation of Neutral Conductors# t, o3 \6 r8 Z! S
4-022 Size of Neutral conductor, U2 y8 J9 a* j! }8 k
4-024 Common Neutral Conductor
0 C! `1 v4 ^* B4 S9 v0 r7 J4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum0 C1 m9 o2 _8 H6 Z- `
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
3 J i. j1 [6 T) }1 @& h; C4-032 Identification of Type MI Neutral Conductors
, b2 O" @( Y4 [3 J6 |9 p4-034 Use of Identified Conductors
1 [3 b* M. @( j; Z5 B' q4-036 Colour of Conductors: Phase A, B, C, …
5 B/ J- ]9 T% r) k/ Z% q8 ^
* F+ D* g' R# v( j/ ]Section 6 Services and Service Equipment
$ Z3 v, G- [ k9 m* rGeneral/ R4 E5 \1 O: S' N" s
6-102 Number of Supply Services Permitted
7 q8 o0 C) C* b/ t& B6-104 Number of Consumer’s Services Permitted in or on a Building& I! v: S6 @" w9 H7 d7 F: |
6-108 Supply Service from an Electric Railway System
+ u9 H" `+ r3 u; r$ @, D( b' ]. q6-110 Three-wire Consumer’s Services
' g9 B+ A/ f+ Y" D" P, x$ F8 m6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors4 ?- F% q5 D& E3 I l+ Q( _4 Y$ M! G
6-114 Methods of terminating conductors at consumer’s service
( s% r! X4 }5 s- ^6-116 Consumer’s Service Head Location
& a' p7 X# A, O( GControl and Protective Equipment
, Y$ c+ y! A& F7 i5 h6-200 Service Equipment
7 W( R2 \6 w- n3 g7 O6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
' [3 q( E ?- p6-208 Consumer’s Service Conductors Location- @! D% D/ s5 U% v& R: |
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
3 _/ n! O9 k6 i: P0 E: h1 c6-212 Wiring Space in Enclosures( Q' d7 ]. P- E2 g% x0 r
6-214 Marking of Service Boxes
: d# E! ?& g# m% o" W2 u. d' GWiring Methods
6 {2 w4 G7 \& ~9 ^# n" \6-300 Underground Consumer’s Services+ U6 `' |7 c* x; s! W5 Y! x
6-302 Overhead Consumer’s Service Conductors
5 [. [/ K# n) t, E' c6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
5 y/ l' \9 O. c/ F$ l6-306 Consumer’s Service Raceways' y, f: }" @* a# F0 y# C3 d) M- e' i- S
6-308 Use of Bare Neutral in Consumer’s Service
" J) V; l4 X5 H6-310 Use of Joints in Consumer’s Service Neutral Conductors
[1 @# M: x( p/ B7 G6-312 Condensation in Consumer’s Service Raceway
5 Q0 c% o; A3 Q0 TMetering Equipment
@0 E! H8 x& M$ K$ J1 t6 B4 D6-400 Metering Equipment
) g5 T& N- K$ g& o* O6-402 Method of Installing Meter Loops8 \) [" a- x. b3 x
6-404 Enclosures for Instrument Transformers- I% p( N% U, h
6-408 Location of Meters
: o; b+ _. y6 F& v5 f) c+ n6 g, e, T
Section 8 Circuit Loading and Demand Factors P" r: h, [4 w3 g; F, \
General
: J: c% X5 [5 ?8-100 Current Calculations
6 {) ]5 U ]6 I& }8-102 Voltage Drop ( see Appendix D)/ p( @: K. \4 E# I
8-104 Maximum Circuit Loading
% E/ n$ B/ s+ S6 W8-108 Number of Branch Circuit Positions
N# c$ Y9 z) p5 l& @+ C$ \' K8-110 Determination of Areas
5 ^2 x0 o" X, t% M- IServices and Feeders
, t' V7 @; T& A7 B6 W8-200 Single Dwellings (see Appendix B)
: T& F ^( ~, N( v1 [ {! }) F8-202 Apartment and Similar Buildings
. N5 L) ?! W9 _0 W E8-204 Schools$ E6 N4 e# d# H; ]
8-206 Hospitals8 p7 P) y! S3 L% X& _
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
% W: K+ a5 ?# o/ G8 b) Y: g3 b8-210 Other Types of Occupancy (Table 14)8 {6 G5 \+ F1 S$ A
8-212 Special Lighting Circuits' f' Y9 B) J3 F/ b6 `- U
Branch Circuits
, ^3 D; R6 M& j) M; Z8-300 Branch Circuits Supplying Electric Ranges
; n$ a4 u8 C7 u& h& H5 `8-302 Connected Loads
& R/ H) m$ C7 u0 M. X" d
" s6 k+ O/ i) v/ j4 x' _% A. a9 @, USection 10 Grounding and Bonding
" h6 M* [& R7 YScope and Object
, b; L- q$ ~) F3 X- ~10-002 Object
9 ~* h4 @1 j7 ]" ?# TSystem and Circuit Grounding; y# S3 v, J t: h4 N1 c& T& N
10-102 Two-Wire Direct-Current Systems% J* p" J. p! u; G- r% x
10-104 Three-Wire Direct-Current Systems# P4 p) o7 v* k) P0 C
10-106 Alternating-Current Systems( s' Z$ V, \5 V$ n/ O
10-110 Electric Crane Circuits' a6 E$ R1 F. w$ l6 t9 m: k _
10-114 Circuits of Less Than 50 V
# P i/ W! e: F y2 C/ w+ l4 P1 X10-116 Instrument Transformer Circuits
! A6 i! l8 x# c! k& OGrounding Connections for Systems and Circuits
/ w1 e i" k( i- u% k) I" q10-200 Current Over Grounding and Bonding Conductors
0 I' B* F/ q9 w; a10-204 Grounding Connections for Alternating-Current Systems/ N* L7 w: x& t" V: k
10-206 Grounding Connections for Isolated Systems
' f( C* ^5 t# I+ K# q6 Q10-210 Conductor to be Grounded' [5 a4 O. v- C& s
Conductor Enclosure Bonding) }7 f3 Z! ~' M; _
10-302 Other Conductor Enclosures! A9 F/ C% c# d; U: V, ~
N 10-304% d& X6 w* c3 X Z( Y
Equipment Bonding
% e) X& q1 c' @, M& X10-400 Fixed Equipment, General# f% Q+ w. G% B% K' p
10-402 Fixed Equipment, Specific (3), (4)0 K, i, y/ r# D
10-404 In Nonmetallic Wiring Systems
/ z' H7 l9 V, i10-406 Non-electrical Equipment
; Z. _1 m" e* ?; ^3 n6 h10-408 Portable Equipment (4)(b)
; Y! z" w2 F7 V$ ?3 A4 q10-410 Instrument Transformer Cases
+ N; Z) K* r6 k) x P+ w10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less: V' F: n% N) v8 O: W
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
$ x2 _2 q9 {6 `+ \Methods of Grounding( t" a* Q- }% l0 g+ F
10-500 Effective grounding (see Appendix B)% x& J3 y& \ e, X" f
10-502 Common grounding conductors
* Q$ R4 H+ Z/ D" z+ _2 l% i# I, W9 r- [10-504 Common grounding electrodes6 Q; B4 ~. z1 F7 v
Bonding Methods4 W @9 G5 P% T. b7 k" o9 Y6 j
10-600 Clean Surfaces! r, j+ G0 i w/ s Z9 t
10-604 Bonding at Service Equipment
* {0 @6 \" [4 h/ y, `3 \5 l& Z10-606 Means of Assuring Continuity at Service Equipment: r P: W) m Y( n, _& g- E' i
10-610 Bonding at Other Than Service Equipment
9 W( I7 B& m* t1 R" n) I. Z, u4 ~10-612 Loosely Jointed Metal Raceways
! ^6 m1 V( e b$ a, ^1 X10-614 Bonding Jumpers Table 41
. o! q* S7 A$ W# b2 q" S8 n6 I( K! rGrounding Electrodes/ [ {. }, L! N% [
10-700 Grounding Electrodes& `8 G. o0 n3 u3 J+ n
10-702 Artificial Grounding Electrodes( C3 b W1 O' }# z# ~+ K
N 10-700 & 10-7022 Q2 ~" E/ X) P$ G! ^$ J
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G); v5 D1 w! t" m0 q) ?% L) o
N 10-702
; z3 ^, ~- a- e2 {0 f4 ^; \. T5 l10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
% X* N2 D7 {3 Q, x/ M9 |% sN 10-702
( D: k$ ?7 s" s/ d; t10-710 Use of Lightning Rods (Appendices B and G)$ k0 a% C* a% y# p' Z f
N 10-706# J. d( _$ A. S) |( a/ s) p
Grounding and Bonding Conductors2 N1 c+ ]7 B8 @- u
10-800 Continuity of Grounding and Bonding Conductors9 |; h! G' p4 Y! x* j
10-802 Material for System Grounding Conductors
p0 F" e; T, W% d; {10-804 Material for Bonding Conductors g7 P+ F/ g4 V1 v
10-806 Installation of System Grounding Conductors5 x7 a/ a$ Z0 j! Q3 _, N& j
10-808 Installation of Equipment Bonding Conductors
7 @$ `/ A: c6 v2 g3 p4 W10-810 Grounding Conductor Size for DC Circuits
/ p2 X) x( X) k& \3 K10-812 Grounding Conductor Size for AC Systems (see Appendix B)' W: \9 e) z! K7 J- @/ r' S
10-814 Bonding Conductor Size (Appendix B)
& ]. Y# l. Y1 y! s8 R4 m10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment0 c+ `3 J$ c J ~/ f
10-818 Bonding Conductor for Outline Lighting, m8 t8 m" ~$ J5 [# d& L
10-820 Bonding Conductor Size for Instrument Transformers
( O8 x3 {5 E" Z# z/ H$ F, }Grounding and Bonding Conductor Connections2 Q& Q$ {* s z$ @; e) g! m% \
10-902 Grounding Conduct Connection to Water Pipe Electrodes, I2 e% x/ `4 n- Y* [% }* |
10-906 Bonding conductor connection to circuits and equipment
' O2 f- l2 R! \1 y! B10-908 Grounding Conductor Connection to Electrodes/ `/ m2 }' i/ ?$ }$ Q1 U
Lightning Arresters: m/ C% ^0 P, Z! u3 x$ A9 O
10-1000 Lightning Arresters on Secondary Services – 750V or Less
; J, L/ h5 Y% o4 ~2 }. W3 Y' T/ h
& K3 |8 O7 k8 r( n& [Section 12 – Wiring Methods
; ^/ x1 w4 |- zScope7 b( @6 T% v' n: \0 h# v
12-000 Scope (Appendix B)
7 }+ ^" j% j$ hGeneral Requirement3 N3 z `* W5 t8 }* h1 h" ?/ x7 y
12-010 Wiring in Ducts and Plenum Chambers* b. H& a) |4 G
12-012 Underground Installations (Appendix B)
9 K; i9 x8 m: ~12-016 Lightning Rod Conductors
5 z. A8 S) c' Q! [8 W0 qConductors - General
" }$ v6 U+ @$ m9 X P9 ^7 v12-100 Types of Conductors (Appendix B) Table 19+ { Y: h9 l$ F. j) t7 d# q
12-102 Thermoplastic-Insulated Conductors
$ N* ^0 N3 E) m) v/ x+ S: E' G12-104 Flame Tested Coverings
5 q0 C) R, k) v% h5 m( H% {8 G12-106 Multi- and Single- Conductor Cables
: _ O+ C9 K# H) {" {& l; n% `12-108 Conductors in Parallel (Appendix B)% `& l: l! V5 J& t% t( |! p
12-112 Conductor Joints and Splices z9 ^. }, u- a) g3 L
12-114 Ends of insulated conductors
' ]- s R" {! ]5 t12-116 Termination of Conductors (Appendix B)
# I- p s D: }12-118 Termination and Splicing of Aluminum Conductors
0 I4 x9 f( g" \& l: m12-120 Supporting of Conductors - Table 218 O4 Q8 D. W" ^& Z3 @% Q6 k
Open Wiring2 f! T7 O- w3 n& q# B; E: ?
12-204 Spacing of Conductors
. m' p1 {9 k- c& s. O( @0 a12-206 Conductor Supports- V r" @5 {) {) g+ ^
12-208 Conductors on Flat Surfaces
0 R d# S W {' x0 m# a9 S* l+ F12-212 Protection from Mechanical Injury
8 i+ k0 ?" j% J" h- S" @) vExposed Wiring on Exteriors of buildings and between Buildings on the same Premises& d. v6 v) e+ D* A- y$ P
12-308 Minimum Size of Overhead Conductors
! X: S, u3 l. z12-318 Use of Neutral Supported Cables3 C4 }& ]3 C0 t& t2 w2 t
Nonmetallic Sheathed Cable8 n$ k( ~! g9 c% T
12-502 Maximum Voltage
: m) F8 N; U# ?% d3 J12-510 Running of cable between Boxes and Fittings (Appendix G)8 B* l* |- p+ y' \
12-514 Protection on joists and rafters
+ ^5 |9 [2 b2 \ p8 E12-516 Protection for Cable in Concealed Installations (Appendix G)
8 |7 E! F8 u; I8 F3 l0 a0 a: |+ F12-522 Where Outlet Boxes Are Not Required. A6 B1 q, U1 q
Armoured Cable6 h0 H4 v1 y1 c" }1 p( r: `& o) y
12-602 Use (Appendix B)
& X9 Y1 ?$ a( M$ R: }- R12-604 Protection for Armoured Cables in Lanes+ l: V; r9 e" _1 m. [0 P0 T
12-606 Use of Thermoplastic Covered Armoured Cable
4 y+ [/ r4 B7 k12-608 Continuity of Armoured Cable5 a& M; Z" D& M6 c* y% X1 y0 ]
12-610 Terminating Armoured Cable
8 L8 G: l8 B7 C s; E7 Y; {12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
- m; G" }5 F3 y5 Y0 W12-614 Radii of Bends in Armoured Cables# I- Q& N* V& A1 f
12-616 Concealed Armoured Cable Installation' o1 N) u$ Q/ m P4 u
12-618 Running of Cable between Boxes, Etc
3 H6 g( v& q/ @2 IMineral-Insulated and Aluminum-Sheathed Cable5 B0 n/ `" ^' B7 H
12-702 Use( E' O( o6 z% r/ F; i% {/ u
12-704 Use When Embedded2 s* V# K4 N' r# v0 c4 y! i2 I
12-706 Method of Supporting- }3 n' ^, \" u) h% @2 w
12-708 Direct Earth Burial3 Q2 t% E. A4 i- u
12-710 Mechanical Protection: M$ B8 Z8 j/ u8 T
12-712 Radii of Bends6 L% E3 @; F. y, ]) z2 W
12-714 Termination of Mineral-Insulated Cable (Appendix B)
' I1 @0 r% ?( q4 h) e1 i: F12-716 Connection to Other Forms of Wiring
2 Q. D5 ~! `$ iFlat Conductor Cable Type FCC* u9 n4 [. s! M- P# C: q$ ]
12-804 Use Permitted
! J7 Q; Y) B) w7 Y12-806 Use Prohibited
5 y0 Y# D( q; \+ C5 K12-818 Anchoring0 C/ z2 o( H% n! q/ s# |' Y
12-820 Crossings2 O; ?7 b- D" A! z; ]3 r2 N) \) D
Raceways - General
' i% e' d" R" a- I: ]8 E; F0 o! ]; O12-904 Conductors in Raceways
8 ^1 G/ E5 \! \4 k t3 I" o12-906 Protection of Conductors at Ends of Raceways
- V& o% u. V( E. F: @/ H12-908 Inserting Conductors in Raceways, B' I7 J& K# j, ]4 J
12-910 Joints or Splices Within Raceways7 l$ N) c$ d" v: n1 j& N+ i* d5 o
12-912 Stranding of Conductors
( d0 x( c$ |& X( _12-914 Electrical Continuity of Raceways e# [. z) O# z. h, x7 L
12-922 Radii of Bends in Raceways
) g1 J' j' j$ }* r$ b7 b6 kN 12-922 Radii of Bends in Raceways Table 7
" M* z2 O- z4 K& p( b4 y" K12-932 Protection for Raceways in Lanes" m& D' ?' S' v5 a9 {6 {9 \, ~" `
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)1 f: I( v' g9 X( X
12-938 Capping of Unused Raceways
& W0 |8 G2 Z0 }* q: j3 _3 _12-940 Maximum Number of Bends in Raceways* m p5 l3 s9 W( p8 R- z
Rigid and Flexible Metal Conduit; o- e- }, G' E
12-1002 Use
- |: R X9 B0 u12-1004 Minimum Size of Conduits
( s7 C4 s5 l4 E1 J0 J. ]4 i12-1006 Conduit Threads (Appendix B)
# I1 w+ S" E6 r3 p* n5 b12-1008 Thread Engagement
- h& Y& V( o* I# p Z" I12-1010 Maximum Spacing of Conduit Supports" f- `4 h3 D( K6 ^. N
12-1012 Expansion and Contraction of Conduits (Appendix B)
8 ?0 {" ]6 g: E12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
1 V+ O2 F& | O+ s O" u3 q! S' k- nRigid PVC Conduit and Rigid HFT Conduit j' `9 o3 y% A j
12-1100 Use
: ?, }; I& ]: ?1 h4 i: e% `8 H1 R- e12-1102 Restrictions on Use( y, v# d5 ]3 w) Q- [. {1 r }2 V' O
12-1104 Temperature Limitations (Appendix B)
" C5 o' ~% \; \12-1108 Field Bends (Appendix B), (2)
( f2 @- P8 c! F12-1110 Support of Luminaires
* c, ^8 h: y6 T# }12-1112 Fittings
- @" H* u; [' y4 ^12-1114 Maximum Spacing of Conduit Supports
) p% W$ n$ p _12-1116 Support of Equipment
# P+ N4 w, x1 ^2 i# e9 R: q! J12-1118 Expansion Joints (Appendix B example)9 l" |# W( Z/ C/ v) P# c( {
Rigid RTRC Conduit
) f' o* a# H# [: z& y+ e6 L3 x12-1210 Temperature Limitations
; f% L( T& y" K1 g$ E12-1214 Expansion Joints (Appendix B)
2 \' q- r7 V' f2 ~Liquid-Tight Flexible Conduit2 [9 t/ U$ M: [5 t( s
12-1302 Use of Liquid-Tight Flexible Conduit
# Q1 b5 O9 N6 k$ i. [ M12-1304 Maximum Number of Conductors0 n2 W8 k# A0 V1 y2 k8 j
12-1306 Provisions for Bonding
# o4 F# f/ T0 X9 ?Electrical Metallic Tubing
5 \6 h d% R5 a: |: F4 \4 u: N12-1402 Use8 t. T! V5 H1 h$ j* O
12-1404 Supports; k$ [( R. m% G, g$ X4 w
12-1406 Minimum Tubing Size
7 Q. Z8 s( y q! s& d& y I+ u: o) Y12-1408 Maximum Number of Conductors8 w/ N: t6 }4 d! A& F
12-1410 Connections and Couplings
/ H% Q4 \& w& A+ R) T! s6 t12-1412 Radii of Bends in Tubing
- N3 }5 c- H3 R9 y4 k' \) ON Table 76 ]+ Q/ [" X; k; M; P, [
Electrical Nonmetallic Tubing
4 ?+ B- W3 y: L# q* w' R6 x5 C12-1516 Provision for Bonding Continuity$ C/ j: b: J. ^
N 12-1514' h% |# ?+ _' `, ~3 h* P- O
Surface Raceways: ^+ p1 o; Q' m4 l
12-1602 Use of Surface Raceway (Appendix B)
# p: ]3 X, h+ K1 O N& v6 _. A- {12-1604 Temperature Limitations9 g8 |: y: j+ q) c2 v) l& Z
12-1606 Conductors in Surface Raceways (Appendix B)
6 P3 }9 F1 h5 L5 t1 d) V12-1608 Maximum Voltage
/ f% L3 H( D% u$ S, u7 n, c12-1610 Joints and splices
' Q! b3 S$ U' z. {# sUnderfloor Raceways
' i# a2 ?( j/ X; n) N6 s12-1712 Discontinued Outlets in Underfloor Raceways# P& W; K: }2 k7 i( q# q
Cellular Floors
# {8 x: E" F% o; T& P12-1804 Maximum Conductor Size in Cellular Floor) I$ P( ^! ^% o A
12-1820 Cellular floor discontinued outlets9 o8 A9 R' q7 B
Auxiliary Gutters
# `: h; k! d$ [4 H: B12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
* ]- v4 k+ Y4 n/ I12-1902 Auxiliary Gutter Supports5 |2 |* `5 S0 y: s7 }2 u# V5 C
12-1904 Auxiliary Gutter Cross-Sectional Area1 b+ _& k3 W- K( n. t$ D& w
Busways and Splitters
- \; y" F3 o/ P9 ^12-2004 AC Circuits in Busways and Splitters
1 f5 E# C: a. M9 x1 P: p) R! D7 ]% u12-2006 Busway and Splitter Supports8 _/ H- ? R0 r/ o* A
12-2008 Method of Installation of Busways
* e5 Z; Y' I/ ^12-2012 Reduction in Size of Busways* o' X) Q# z" b& }" |* B- l
12-2014 Length of Busways Used as Branch Circuits* B0 }6 B2 A- R8 ~' {/ p" k
12-2018 Taps in Splitters
* J* I4 T' X7 X& Y* IWireways
0 l- F: E# h1 D; i12-2104 Conductors in Wireways* D- I+ o) I* D8 U9 H, H9 i
12-2106 Taps and Splices in Wireways
* }% a0 d8 S4 x Cable Trays, E8 Q Y4 \8 v( c! |
12-2200 Method of Installation (Appendix B)
+ z C% I7 l8 {- z12-2204 Joints and Splices Within Cable Trays$ |! R0 c2 g5 l
12-2208 Provisions for Bonding$ _9 M3 { Y5 T C
12-2210 Ampacities of Conductors in Cable Trays- b4 P; I" L8 p9 Z) f
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings, Y5 M) u% S8 M6 i2 I* P( }; X
12-3000 Maximum Number of Outlets Per Circuit
' o# ` f; [9 r S* YN 8-3045 z- {+ U7 s1 J; y7 q+ y
12-3002 Outlet Boxes (Appendix B)
2 R8 H7 t8 A. G+ i' K0 G' L9 KN 12-30006 ^: Q4 o$ H3 r3 i, l
12-3004 Outlet Box Covers
! m7 i, p- E1 z* V/ ?% F# W# BN 12-3002
. _ Y6 H. ~% L- I9 \12-3010 Boxes in Concrete Construction! A" V3 X1 G* _3 k( F# j$ S0 G' H c
N 12-3008( q/ r: x& F6 h" Q2 l7 R
12-3012 Outlet Box Supports7 r) U0 U& k+ P
N 12-3010
6 k( `/ T+ _& _, k12-3016 Accessibility of Junction Boxes
- }6 K" g z% ^- w' F$ q; MN 12-3014; p+ t% v1 g+ X% r0 w( d& S
12-3018 Flush Boxes, cabinets, and Fittings. h9 s8 Y1 _5 y% F5 x0 X4 C& d
N 12-3016
6 z* \0 J. w3 u$ W1 _12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
$ S& j. \) w( C! S% W% zN 12-3022
0 c' U6 z V, @: w5 J2 ?2 X12-3036 Maximum Number of conductors in a Box - Table 23- @6 u& G1 j; k: W5 _3 |8 @- u
N 12-3034
" A9 {! G% ~' L! c; C& b# J6 C12-3038 Pull Box or Junction box Sizes
/ ]% `" b- t% u0 T9 WN 12-30365 ^. _% p. \3 N/ L; }; d9 k
. K' J/ M. ]) x" HSection 14 Protection and Control
/ E! r0 `! U2 f7 o2 u8 NGeneral Requirement
$ U3 G& q' S$ s# O0 a2 s14-010 Protective and Control Devices Required) [5 @& G1 N2 s" P4 K# X
14-016 Connection of Devices3 y' |7 n/ J. ]1 N" M1 {
Protective Devices – General, `$ z3 z- y9 @4 C2 G
14-100 Overcurrent Devices Required
0 U( i# U3 B# G2 r7 W N0 U14-102 Ground Fault Protection (Appendix B)
2 `$ W* q2 a& [7 Z' K/ g' `14-104 Rating of Overcurrent Devices (Appendix B) Table 13
7 {! C7 H8 P- W. S: x7 a14-112 Overcurrent Devices in Parallel( q2 F6 b4 y) a& O) N/ X2 N( ~
Fuses# i) M9 _8 x: M' Y8 O5 B
14-200 Time-Delay and Low-Melting Point Fuses
3 `4 u4 f$ R8 t) U& ~14-202 Use of Plug Fuses$ d& Y- G+ T( U n
14-208 Rating of Fuses# x+ k3 A1 Z5 @4 j* [1 G
14-212 Use of Fuses (Appendix B)
$ t% D6 q9 d8 K9 E. r$ l% `Circuit Breakers
$ H7 I. U" o" v6 K14-300 Circuit Breakers, General+ Z( Q9 G. U8 d$ H7 V
14-306 Tripping Elements for Circuit Breakers
5 p- \/ Z% E8 M- r! B! b14-308 Battery Control Power for Circuit Breakers$ i F2 Y5 ^/ j
Control Devices - General9 k3 m& y ]' r& q/ J( c
14-402 Disconnecting Means Required for Fused Circuits
9 I- M$ j+ D$ W. o0 @2 nControl Devices - Switches8 q1 z% ~' g- g4 U3 J) i: f
14-502 Mounting of knife Switches6 A2 `' m( D; I) v& L; t
14-504 Maximum Rating of Switches' T( E! L6 A" k5 I9 G
14-508 Rating of General-Use AC/DC Switches (Appendix B)
6 j" _0 n x, R5 d# S. K( |- U14-512 Manually Operated General-Use 347V AC Switches (Appendix B)- |9 } n$ ^( q- A$ k
Solid State Devices
" G5 I' Q$ I* d& Z6 F0 y14-700 Restriction of Use5 ~+ S2 Z g) E* ^; @# N5 u8 e
14-702 Disconnecting Means Required
- w" `) p* ^* g' h$ Z9 d. u; k; I/ Y
Section 16 Class 1 and Class 2 Circuits
4 `1 Q9 o7 d o6 F% T7 X6 ?3 O& zGeneral" Q7 V4 V5 p( K& X5 G+ Z/ `
16-004 Class 1 Extra-Low-Voltage Power Circuits% T( c$ O- g' W3 l. n8 @. q
16-006 Class 2 Low-Energy Power Circuits+ R+ X) g. ~5 e0 p m
16-012 Circuits in Communication Cables7 `* y* O, R6 w4 W+ u5 m" y4 O
Class 1 Circuits2 n E/ U# i4 Z0 W) k
16-100 Limitation of Class 1 Circuits6 j8 K) p/ Q/ L3 x/ s; \, h
16-104 Overcurrent Protection of Class 1 Circuits3 m; l6 J8 i4 |3 ~8 s+ ]6 K' a$ c
16-106 Location of Overcurrent Devices in Class 1 Circuits! F4 c6 m8 V4 B+ y2 x- m
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers" v$ B8 m: ^5 \; H/ T2 Y% Y' o
16-110 Conductor Material and Sizes
8 h3 Q/ C1 ]! |% t& R16-112 Insulated Conductors for Class 1 Wiring6 y; b; ?& H, s$ O
Class 2 Circuits
$ v, d5 S1 o7 s/ M' b* B16-200 Limitations of Class 2 Circuits (Appendix B)
( P6 {1 ^6 g1 v2 E6 z+ F5 H, F) U16-204 Marking
/ _, e% x/ X/ _$ n3 v2 N16-206 Overcurrent Protection for Class 2 Circuits
# A q5 ]4 S- i& v16-210 Conductors for Class 2 Circuit Wiring (Appendix B)# Q6 x! A$ v; a
ELC: extra-low-voltage cable7 N% B* ~6 j, Q* d# ]
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
3 d/ s# V! m1 J, s6 _/ d5 n v3 B* O3 F6 h
Section 18 Hazardous Locations5 R' q2 j7 O) N' u4 X4 c' D
Scope and Introduction
) |6 S7 k( e, u) z- q- i18-004 Classification
3 q! W, K) Z) W- g8 K18-006 Division of Class I Locations (Appendices B and J)" n1 o( `7 }2 `
18-008 Division of Class II Locations (Appendix B)
% U" s( T! h* D5 {: @! I- c18-010 Division of Class III Locations (Appendix B)* r! o+ k# x% y, Y( Z
General
3 @& z& ~+ Z( t9 Q" |18-062 Metal-Covered Cable (Appendix B)
! F) L- U7 i# O8 jInstallations in Class 1, Zone 1 Location A9 `0 }. y& r* b$ e
18-108 Sealing, Class I, Zone I (Appendix B)
! N) E, B* i R) k9 ^ V6 V" s* m& |# P6 x1 t
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars7 G# W' } t. U$ K/ {, x" d4 _+ T
Gasoline Dispensing and Service Stations
; W H' s# _) Y( {, W20-002 General8 G0 q2 L) d$ j9 r
20-004 Hazardous Area (Appendix B)
9 w0 I* S8 ]0 ^) o" A6 sPropane Dispensing, Container Filling, and Storage
8 }. o' r/ J2 ] {% X3 i20-034 Hazardous Areas - Table 638 g3 Y3 d- f; T' _
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities0 j9 ?' e) f, E) T4 _5 B \9 ~
20-062 Hazardous Areas
# t; r( `* [) uCommercial Garages – Repairs and Storage
( O( R) n5 @1 f7 l20-100 Scope2 i. t+ H$ P1 D# \; n% k6 q
20-102 Hazardous Areas (1)
0 e6 Z$ X4 w+ m7 j& ]7 M0 \9 ~
( {4 R, x4 Y/ d" [Section 24 Patient Care Areas
/ R6 i0 w1 `" h1 e24-000 Scope (Appendix B)
& s5 ^7 k+ S( a+ z. e2 t$ F) c24-002 Special Terminology (Appendix B)
, l3 I7 k ~: f- N" `! y0 _) I Patient care area
. }2 U) U+ W- b. n+ J* RPatient Care Areas1 S+ R& y5 o% _4 l; I/ k/ T# R
24-106 Receptacles in Basic Care Areas (Appendix B)$ s7 `% v4 S3 K
Isolated Systems$ a/ b$ H" o$ {2 J& j0 w
24-204 Single-Phase Isolated Circuits (Appendix B)
& ~0 R( u v0 `24-206
9 B2 q0 R5 @6 ]2 c" q! x% u1 j: f, l- H! H
Section 26 Installation of Electrical Equipment7 A# D" h. x! z+ ?! m3 m
General
' g! y' z o3 C26-004 Equipment Over Combustible Surfaces (Appendix B); H* i$ B+ m0 z
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
" p8 h) {% b5 `' n# u Isolating Switches
1 J% [4 n4 j6 l* N$ s$ y% W26-100 Location of Isolating Switches) l, \3 B% { R, o5 a; _# p, t7 g
Capacitors
* f& E5 s% X! z! c26-204 Guarding of Capacitors$ x1 I: F, X; T/ R0 a: ^4 A
26-206 Grounding of Capacitors" s& ]. V* k& ?8 D
26-208 Conductor Size for Capacitors; R \/ A/ Y \, Z
26-210 Overcurrent Protection (Appendix B)
7 W. A8 U2 z u26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits, U' e c, ^, m
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
/ u( t" K8 a) B: i+ W2 B" z26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
' J0 X" {: k8 q26-218 Special Provisions for Motor Circuit Capacitors# n9 [# M2 @# `3 H1 j$ k& j; j
26-222 Drainage of Stored Charge of Capacitors% d0 X! o3 l1 i, ~' d
Transformers
- u( Z4 o* [. t& x26-240 Transformers, General9 O, ^5 @$ P6 e" k5 J
26-242 Outdoor Transformer Installations
' G9 E6 s2 F% H/ [, ?. E7 B26-244 Transformers, Mounted on Roofs (Appendix B)/ o( ], S" v0 N5 Q; O
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
" z7 L) f& o8 U! J, d3 U26-248 Dry-Core, Open-Ventilated Type Transformers
4 U2 o8 R8 G k2 I1 I7 Y26-250 Disconnecting Means for Transformers
; D9 \7 C' M) r! s7 F5 m: h26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V; I, m4 X6 \4 T a
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
+ ? @/ |$ F9 ?" X7 l9 w26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)0 c6 u2 k. u/ H2 Q8 d
26-258 Conductor Size for Transformers* h% E4 o, n# l' T6 C( ^% c' R
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
& _* p; n8 E% ^% h! d26-262 Marking of Transformers. Z3 P" l( A# Q- ~; D; R
26-264 Auto-Transformers1 G* a! z+ }- U6 M) B0 l
Fences3 C, g& {7 b4 v7 u; B' f
26-302 Clearance of Equipment - Table 33
5 [2 U0 e0 v! w4 f# b# f- v6 E, RPanelboards
% J5 ?: l3 Y5 D3 q6 \# X# \0 L; |$ T26-400 Panelboards in Dwelling Units (Appendix B)
# ?* v2 N) V+ T2 u26-402 Location of Panelboards (Appendix G)
/ c6 ~3 Q8 S" [, |/ |Lightning Arresters9 I7 @6 A; q- [5 f3 p! L
26-508 Connection of Lightning Arresters
4 J5 N9 l+ P ^: R% Q3 m0 D- MStorage Batteries
) d7 [8 ]( c- J26-542 Special Terminology
: j4 q$ {5 G+ \) ]3 T! M26-550 Battery Installation- C. f1 ?# ~( B3 x/ {$ K
26-552 Wiring to Batteries
8 T1 t7 Q9 t* _! NArc Lamps
4 J( y, X, w; q9 `8 O26-600 Location of Arc Lamps
/ G# {+ Q ^9 {- O w1 H: f26-602 Conductors to Arc Lamps
. Y7 v$ J: b9 s/ f3 O26-608 Globes and Spark Arresters% D) Z, i5 [2 U9 @ R
Receptacles
: N9 v$ W9 S8 v26-700 General (Appendix B)
2 D& u) d* J6 r+ }& ~4 H8 B& a26-702 Receptacles Exposed to the Weather
: @% Y, Z5 `9 M; N. iReceptacles in Residential Occupancies
* K" |% P" N5 f" i- ~% {' q/ Z26-710 General (Appendices B and G)
4 ?' w/ G$ Q+ A0 J7 b9 z9 `- M26-712 Receptacles in Dwelling Units (Appendices B and G)
$ y# H/ g0 r( ^* C. t& [# F26-714 Receptacles in Single Dwellings (Appendices B and G)2 o2 t T7 w; z; i. v
Branch Circuits in Residential Occupancies
- I2 j V6 v7 o( j26-720 General) K5 l7 Y( l* ^4 Z, m* L, k2 n
26-722 Branch Circuits in Dwelling Units$ i: p. t x2 @1 @( Y# p
26-724 Branch Circuits in Single Dwellings4 M( C% d/ m' R# q$ @: O4 P' m0 |
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
% H, X+ M5 Z. H) X, c! w; pN 26-720 (F)
2 q$ g- c7 h- S& j* N, H* ]Electric Heating and Cooking Appliances
/ O5 M! d s0 S3 T8 }, W& P( K* p2 k26-744 Supply connections for Appliances
5 y" ~, j- A: ?, }26-750 Installation of Storage-Tank Water Heaters
& {# P0 f& }, L9 \; y' U26-752 Infrared Drying Lamps
( H2 p M x) F7 Y
& ?6 F7 m$ E3 Q; I, @; H w$ VSection 28 Motors and Generators
2 F7 w- q( N# O( E7 O4 cGeneral% K, ~7 ]3 |2 i/ A7 r2 j
28-010 Special Terminology) }3 ]+ S8 X( E1 L
Hermetic refrigerant motor compressor
2 k6 ~* _( c" B8 S1 ]9 eLocked rotor current rating
+ N: d# H- E+ E6 ~2 v4 c" RService Factor
: O6 O) h$ A6 Q4 z" X; Q& A7 cTable 44; Table 45; Table-D2- _& ~4 ^0 r& w+ G! D' h! i
Wiring Methods and Conductors( z) I8 Q) L5 z, Z- z& c
28-102 Portable Motors
, C8 ?7 y; ~6 S) b7 [7 e28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity1 Y1 J/ B1 S9 H4 E8 F
28-106 Conductors, Individual Motors
9 ~. }3 H I5 d- |28-108 Conductors, Two or More Motors% X6 w2 l& `* @- I+ t
28-110 Feeder Conductors& p. k! b; Y* n4 w! ?! \' W
28-112 Secondary Conductors
f9 l% r5 C3 [$ ?! y! z( j9 TOvercurrent Protection2 h+ {/ n: |! B" i
28-200 Branch Circuit Overcurrent Protection, X* q$ b/ w B) T/ y6 u. ~
28-204 Feeder Overcurrent Protection
j& M9 {& H8 b' l5 k, y* @& F$ h28-206 Grouping of Motors on a Single Branch Circuit' S0 u$ X* m( W6 b# L
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)( m6 p9 T0 f: ~
Overload and Overheating Protection
9 U) V: N, q$ Q; X, M$ s28-302 Types of Overload Protection
$ }5 _# m& j2 n# S8 J$ m28-304 Number and Location of Overload Devices (Appendix B) Table 25
7 k3 k) l' R- ?$ u/ P28-306 Rating or Trip Selection of Overload Devices (Appendix B)- q! ~' o1 \ j T2 @3 A
28-308 Overload Protection Not Required
5 w( w: C( U y4 S& V' fUndervoltage Protection
- d7 k: e3 z. |6 l6 p8 c28-400 Undervoltage Protection Required for Motors (Appendix B)2 B3 E# {0 P: w; F
Control
0 ~) O8 K6 U+ x5 l28-500 Control Required
4 O, ]9 ` [3 W( m- U9 F28-502 Control Location
7 }4 e0 t2 ^6 ~6 l8 j9 a28-504 Starters Having Different Starting and Running Position) ~5 h! e6 `# @# g
28-506 Grounded Control Circuit8 `/ `0 w( @ q# W
Disconnecting Means, Q3 B; D3 A( X) N2 N, C1 A
28-600 Disconnecting Means Required
. M+ E0 s- @2 H, w$ o28-602 Types and Ratings of disconnecting Means (Appendix B)
4 l$ t. n; I7 q9 r6 K+ [4 i28-604 Location of Disconnecting Means
! I Q: {1 ]% h3 g2 _6 u Hermetic Refrigerant Motor-Compressors8 g8 h6 y( T$ g }8 B
28-706 Conductor Ampacity a, ~1 G; _4 I# d1 } H
28-708 Overcurrent Protection
\; L# d4 w2 d5 w( @( k0 \. L28-714 Disconnecting Means) Z2 P2 N4 p3 `0 J
Protection and Control of Generators" h0 u7 F) g: ^$ K
28-900 Disconnecting Means Required for Generators
& D+ p7 Y& G5 v, o28-902 Protection of Constant-Voltage Generators
5 V4 ]2 t; \4 ~" y, O+ i28-904 Generator Not Driven by Electricity
2 P3 U! _0 Q1 Q1 c- `6 e0 f28-906 Balancer sets6 t. s, ~/ m, ]9 a! ~& _. G& {+ V) ^3 w
28-908 Three-Wire Direct-Current Generators, e3 Y; |: P1 p( ~. o- w
0 b' `+ b6 o8 I* t2 Z' B6 qSection 30 Installation of Lighting Equipment
7 r2 ]# T& _9 q. P* S' h30-002 Special Terminology (Appendix B)
K& \2 W; B- RGeneral! k/ Z6 p: v0 V1 ?# z- |
30-102 Voltage% i" A' {) Y" `( X, p8 D
30-104 Protection (Appendix B)
" H' W& ~) t$ T9 X30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
+ d8 G. t: t: |$ k' w) p30-108 Polarization of Luminaires- t$ a5 o! O8 d; d. k
30-110 Bonding of Lighting Equipment* q7 t* P3 r; v- V E+ ^
Location of Lighting Equipment
# @) r1 x$ X- _% I30-200 Near or Over Combustible Material$ K' Z4 `' _8 I; l$ h7 c+ L A9 B- r
30-202 In Show Windows# P' Y: w6 Y# y Q
30-204 In Clothes Closets) x) _5 y' ^, F# J% V9 a! I% ~5 Y# _
Installation of Lighting Equipment9 o% z- @' P7 k
30-302 Support, h$ S" @2 F0 J0 Y% ^* ]. B# a( r
30-304 Outlet Boxes to be Covered2 A8 D* `4 ?, G0 m) _/ p8 [/ ]
30-308 Circuit Connections
. j% j& Z& q' |- {7 I30-310 Luminaire as a Raceway
5 \% G5 g5 i! X9 z: v, q30-314 Minimum Height of Low Luminaires
( H D3 D& y K1 c2 y- ~$ ]30-316 Luminaires Exposed to Flying Objects
) v$ x6 b- s1 p) G1 K30-320 Luminaires in Damp or Wet Locations
! x1 r$ C( w1 k3 A8 e4 t T) lN 30-318
% G3 z% @3 g, T. {! tWiring of Lighting Equipment8 k1 N3 `, v5 O: d
30-400 Wiring of Luminaires
% ^. e) r; [5 {" }' Y) H o; J30-402 Colour Coding
9 X# U3 O3 l, w% V" q30-404 Conductor Insulation$ p7 j2 S+ K( l/ ?, k0 t4 r
30-406 Conductors on Movable Parts
! a$ w/ [& _2 A) U30-408 Wiring of Ceiling Outlet Boxes: x1 W" L6 z5 U" a# W: h
30-410 Wiring of Show Window Luminaires+ o1 e* i2 p& S2 p' w# e c3 g7 D
30-412 Tap Connection Conductors/ L* s5 w/ h7 F. @$ f+ W! P. ]
Luminaires in buildings of Residential Occupancy" L& l/ I W9 A, N; K4 u
30-500 Lighting Equipment at Entrances (Appendix G)% p. R. d2 [) b" x4 i9 [7 ~, |
30-502 Luminaires in Dwelling Units (Appendix G)
+ U4 C0 r$ k8 k$ [1 n* f2 p+ M% ^30-504 Stairways (Appendix G)# m1 M3 R4 k- M9 O
30-506 Basements (Appendix G)
0 |. s2 H( R( S1 c0 Q& a0 c J30-508 Storage Rooms (Appendix G)- h, \; ^% @- T3 T) S8 Z
30-510 Garages and Carports (Appendix G)" E* ^+ W4 q+ S8 C. x+ d: k
Lampholders) C) w% ?9 |- d; v
30-600 Lampholder rating with Incandescent Lamps6 L) d2 E% F9 d1 }* g5 ~
N CANCEL
& `. `( F; d% Y0 t2 ~30-602 Connections to Lampholders
9 |: L! K# ]4 c5 W; o' YN 30-600
" [! r! R! P1 o30-604 Switched Lampholders Used on Unidentified Circuits
. g4 f) s5 Y1 K3 K2 XN 30-602
x% y: ]# j& v2 u! D30-606 Switched Lampholders with Pull-Type Mechanisms
" b4 }1 w& S" E9 E/ yN 30-604
" U+ X4 B2 Q, t+ ^% _30-610 Pendant Lampholders
/ s4 N6 Z6 W( vN 30-608
! l& Z; u2 h8 H4 ^6 b6 |Electric-Discharge Lighting Systems Operating at 1000V or Less: v' W3 T I: O9 n
30-710 Control (Appendix B)+ Y: s" Z C0 t& H& x; O
30-712 Branch Circuit Capacity; F$ n3 f# x- c+ _2 T
Electric-Discharge Lighting Systems Operating at More Than 1000V
2 {& K2 x$ i, [4 L7 P2 K# e, U) ]30-802 Voltages, Dwelling Units1 O; F: i4 r* f$ g
30-804 control (Appendix B). e' ?3 {2 ]2 d7 P! F) Z: d7 h
Recessed Luminaires (Appendix G)
$ a6 i! x& B0 i: g2 s30-902 Spacings for Non-IC Type Luminaires
7 e) v, H+ a9 q1 H30-910 Wiring of Recessed Luminaires (Appendix B)1 J. J. s8 T! _' H4 W/ S
Exposed Wiring for Permanent Outdoor Lighting
6 i9 @" d& }9 x' [. A _1 D1 `) N30-1120 Branch Circuit Loading and Protection- L! {( V6 [( T, D) @
Extra-Low-Voltage Lighting Systems
* z8 N0 b$ ?: l30-1202 Sources of Supply
! q' H4 u3 S& s8 y8 n% L! I7 }
2 N, d1 h" r; v" sSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
: `5 o& P' l l/ n/ `Fire Alarm Systems
& O; H3 d2 P7 b' ^. _/ z/ Q32-100 Conductors
! |4 q( S D6 A+ M32-102 Wiring Method& h1 ^: I5 _+ l4 O. y H
32-104 Equipment Bonding
) N2 y6 Z& { v6 D32-106 Electrical Supervision
0 i) I) I' z7 X2 U" g& G, r32-108 Current Supply
2 [: ~% Z, ] w! L32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)& [. E5 g: s' }8 @3 u u
Fire Pumps
6 a; D' J* L- o7 G# T5 w% W32-208 Overcurrent Protection (Appendix B)" f. D/ n. \5 v- |, N! \: t
N 32-206
2 Q% Q( C' m- O0 y, U32-210 Overload and Overheating Protection (Appendix B)5 _/ j4 R; @: j4 ^
32-212 Ground Fault Circuit Interrupter (Appendix B)" }: I! O! L. A3 w
& B7 B) _6 V5 Q0 z$ r$ L
Section 36 High-Voltage Installations
$ Z* s3 Q g8 g- o- Z) \General# B7 Z# m3 c0 V! J, _9 c
36-000 Scope (Appendix B)
3 l1 _/ B F. Y; |+ P7 S3 |& F0 A36-006 Warning Notices0 I. z$ e7 g( F x) x- E
Wiring Methods
4 V9 k/ n6 I; U8 X: B4 Z$ c36-102 Radii of Bends
# g4 ?( C9 ?9 F @" n- S9 I2 K36-104 Shielding of thermoset insulated conductors' F3 J; }4 D- |0 E5 n7 l, n `
36-108 Spacing of Exposed Conductors (1) table 30, table 314 @. }: T% q8 n1 X0 D( D0 p
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 348 p @- y+ Y. t: z) U0 h
Control and Protective Equipment
7 q, S4 Y4 e( s; {* X5 z36-214 Disconnecting Means- N: H- q' u1 X$ v" o
Grounding and Bonding
( f7 Z8 F/ v9 \36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
( m% z& A3 i0 j36-302 Station Ground Electrode (Appendix B)
3 S. b2 D7 F$ n8 Y8 s3 O36-304 Station Ground Resistance (Appendix B)
l6 I t, n0 T/ p+ E: i- @36-308 Connections to the Station Ground Electrode (Appendix B)
$ Q' H3 P' [7 x; d' D. C36-310 Gang-Operated Switch Handle Grounds! H! Z. ~' w: m* E- @ h; p% k
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
# j7 [7 r4 F) G) J5 n3 z j: c: i, G. L+ x
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
5 \/ c# }) e& H0 N2 l! k$ S8 ^38-002 Special Terminology (Appendix B)
" Z; t/ K( B+ L- s38-003 Voltage Limitations (Appendix B)
' @- w7 u( q! ?% C- t38-004 Live Parts Enclosed
5 H; m# P7 z! c4 }38-005 Working Clearances2 i1 a* S% M( z% x; W
38-011 Insulation and Types of Conductors9 a8 b0 }/ X3 }0 C4 f) b
38-012 Minimum Size of Conductors
- i: o9 H2 q2 [; c
7 v/ j4 E9 r8 n/ \. @ c- j$ JSection 40 Electric Cranes and Hoists
2 e. H8 q# x' [$ J; S40-008 Disconnecting Means
/ p3 |4 G5 Y: y40-010 Main Contact Conductors
7 M8 K8 j" x& T9 R z/ ], S- V9 l J* W: K! e, O
Section 42 Electric Welders5 K- l2 u% M* W4 V
Transformer Arc Welders: e6 O8 S0 ~7 n2 ?' R
42-006 Supply Conductors3 m( k4 M7 H# D" p% R: O2 U
9 }4 g0 `7 E5 B. T& o, p: q# _Section 44: Theatre Installations9 e- W3 p) B, |, a
General2 b @# T( S* R6 g! B$ C
44-104 Number of Conductors in Raceways6 h# |5 O1 H! E9 O; D1 D% J) @
44-106 Aisle Lights in Moving Picture Theatres
0 @0 k0 D4 \ P* z. A$ X1 A* FFixed Stage Switchboards& @ |6 q8 T: W) `2 b8 G7 T
44-210 Overcurrent Protection
3 f+ J8 p9 N ^. g9 r; yFixed Stage Equipment
/ e0 ` t' y" o4 R1 L- ?44-324 Receptacles in Gallery Pockets
( S+ L3 h1 ^0 ]; S44-326 Receptacles and Plugs
' f# f( z* t2 B7 }3 o' z: q
2 _7 [& s8 j6 s- _0 }6 ?Section 46 Emergency Systems, Unit Equipment, and Exit Signs% Y& p: U4 X( K9 F0 p4 |. I
General
# _! y" u" Z0 y1 z- n( G; h d46-102 Instructions
}1 M1 t2 r( i) F46-108 Method of Wiring (Appendices B and G)) W8 N) I- }- V* [ F) H
Emergency Systems/ I% q7 m, T0 f. h+ B
46-202 Supply (Appendix G)1 M, ^' O; ^9 `5 V- l* i# V) b$ V$ y
46-204 Control5 d6 B `* v4 K- F. `) M% M
46-206 Overcurrent Protection
# r4 ]+ u* t0 J/ h. {. \% y46-210 Remote Lamps
/ I7 ], a4 L/ \/ lUnit Equipment
2 Q4 `, T5 V+ _) {46-304 Supply Connections
2 q; X! ]0 v; p1 g' ^6 e$ V46-306 Remote Lamps (Appendix B)& {; p/ o% o$ P% ?* I+ U" v" f
Exit Signs0 u8 X$ x. c2 k4 I" H4 B, z" u9 L
46-400 Exit Signs (Appendix B and G)! G, s7 \% j8 T( }- P. W3 C
0 G3 L! o( K1 s$ J* t* |" P
Section 54 Community Antenna Distribution and Radio and Television Installations
1 Q$ @! D% n D6 }9 b. x v54-000 Scope1 A- u5 W( H: }& ]
54-004 Community Antenna Distribution (Appendix B)
! O9 I3 P3 m. D- x3 WCommunity Antenna distribution
2 ~3 M2 [* R7 F% o n/ K54-100 Conductors
/ y. ?2 d4 I* C8 k9 r9 Z% }" d54-102 Voltage and Current Limitations (Appendix B)2 _$ |% L+ o( x( ]
Protection% Z; G( |; ~2 U5 q" C s7 d
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
. r* O; o: @+ D+ V- s9 t- IGrounding `; x/ O7 }8 H3 x7 u
54-300 Grounding Conductor
! a) W9 Q; ^3 D; tConductors Within Buildings, i4 f9 F, Y3 e- t0 H' O$ Y, \2 A/ b
54-400 Separation from Other Conductors# Q w( L* R# I4 U
Equipment
2 D( F2 y( e' J9 m1 U54-500 Community Antenna Distribution Amplifiers and Other Power Sources
5 f. k" i) I, A% t54-502 Exposed Equipment and Terminations
' f5 }9 @4 @- W" U0 q% v
& U2 C8 j# | m( Z$ VSection 56 Optical Fiber Cables3 i$ h/ ]! a' u5 X0 z! {' @
General+ X, v# }: `2 b* [
56-100 Special Terminology% i' H1 ^$ f3 A7 @6 p
56-102 Types
: |& y; F) X6 H& kInstallation Methods
) I) @: i6 h( b! @# k0 E56-200 Nonconductive Optical Fiber Cables (Appendix B)
3 O- j, J ^! ^/ A) j/ z56-202 Conductive Optical Fiber Cables (Appendix B)5 s5 u$ }2 G& G/ L3 [+ H
56-204 Hybrid Cables
" u, a: l4 G5 M/ Z56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
5 X- B8 x. F t& v# g& P! ~; p6 o1 C Y( n! f$ R" z
Section 60 Electrical Communication Systems
; e# z2 y( ?2 \4 \4 c J0 tGeneral3 o8 [' S1 E- _+ e% t2 G/ K
60-100 Special Terminology
5 V/ I& }8 a/ @# v7 J% q: i9 RProtection
; V6 |7 q* [: W2 r0 A60-202 Primary Protector Requirements
2 f: \( @4 j: BInside Conductors
( x: D- U1 {* G60-308 Separation from Other Conductors
, ~3 }( ~0 T& v* S, g' kEquipment3 l8 x6 E/ H' a' d- J: K
60-404 Exposed Equipment and Terminations
( w- v* A* k. P) R% ?# `Underground Circuits
( E; w8 | E$ `$ R4 [7 S( o60-600 Direct Buried Systems8 ^; o3 R) a! h
G, C" {& M O ]Section 62 Fixed Electric Space and Surface Heating Systems! X; ]5 b* K S9 Q8 \6 ]
General& p, ~" ? F% `: z
62-102 Special Terminology
4 R2 H5 l5 p: o1 V4 y j62-108 Branch Circuits
1 P& S; L! s# W62-110 Installation of Fixtures
; M7 f( [: z3 \( j: j62-114 Overcurrent Protection and Grouping (Appendix B) (5)
: C9 ~. _" O1 z* B- h6 p J62-116 Demand Factors for Service Conductors and Feeders (2)0 L; @- Y n8 q3 r0 y
62-118 Temperature Control Devices& ~# e( D+ Q5 b q) ~3 l( Z0 [
62-122 Installation of Series Heating Cable Sets (4)(7)
% p; N4 \5 l7 x. }5 e( @Electric Space Heating Systems; ~2 N% p2 Z" S
62-202 Temperature Control( i" w+ n ~/ w, S
62-206 Proximity of Other Wiring (Appendix B); f% r- y( a7 ]2 j( r
62-214 Installation of Heating Panels and Heating Panel Sets
2 a& T6 z% d5 Z62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
, T! M8 Q+ d% O62-226 Installation of Under-Floor Covering Heating Panel Sets
! w5 Y) n& T y! ~Electric Surface Heating Systems
: T1 M" A: k7 x7 @3 `62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
_. i" w) s' L8 q1 i% F# C# G {" V/ \2 m# ~! g3 N- n! `
Section 68 Pools, Tubs, and Spas
# ^ n3 g0 I7 K4 PGeneral
$ U/ L# z* `1 K9 U7 v# g68-050 Special Terminology% v' t$ Q3 o x# t$ F- _: ?4 J# y, g
68-056 Underground Wiring - Table 61
* h# ~7 y) c/ j4 j- N68-058 Bonding to Ground (Appendix B)
, P, p2 y; C2 P* l: D* P68-060 Junction and Deck Boxes (Appendix B)
. f& v% ^8 y3 V% R68-064 Receptacles2 p% I% U% t- W' U: n
68-066 Luminaires and Lighting Equipment# M* `) @+ ~( ~5 A: ]
68-068 Ground Fault Circuit Interrupters (Appendix B)& [9 q! b8 K* U1 Z
. M4 i$ {, \4 T) k, x
Section 70 — Electrical requirements for factory-built relocatable structures and
/ p' d7 B" k" l+ g0 L( l$ knon-relocatable structures
: y) ~: L- V- T$ ?70-130 Tests (see Appendix B)
5 ?/ c/ O. T% x6 l
+ D, U) Y1 R# T% Z. h3 gSection 76 Temporary Wiring (Appendix G)3 T0 _7 A8 h0 y' e9 \2 g+ q0 \
76-004 Grounding4 q, d1 z: a1 b( f! H# y
76-008 Service Entrance Equipment( w& |9 ^8 E3 e1 J- C" J- N
N 76-006
9 G5 Z0 c9 ^% I1 F" F76-014 Branch Circuits. G% y' G b7 k9 \; W7 s7 S
N 76-012
4 ^! i1 _9 b9 d' J, s# k; ]' Y& i/ M& y, y
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
. J5 S2 j, Q h$ x4 F! ?Marinas and Yacht Clubs6 ^4 f8 @! o3 D1 @
78-052 Receptacles+ h( M) ?5 u5 [$ r& ~4 A
78-056 Feeders and Services5 n* V1 n- Z, h& R9 w
Marine Wharves, Structures, and Fishing Harbours
& U1 X, _; \: U3 o, h2 f# u9 A78-106 Grounding and Bonding) m1 `4 R U: v6 x' ~' K8 s( u
Tables: h6 Z/ Z( } h7 L2 y, z$ c2 y
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65( ]5 Q- K7 e2 b; N. n* S
2 v! B9 c! F# r4 c+ DDiagrams: 1, 2, 7
6 {0 V" `+ X% \* [& b, j4 A; y# k' c9 m2 `* f4 l
Appendix B
+ ~* b4 _9 X0 aP352: Ground fault circuit interrupter- 6mA
$ Q! `2 K* H+ b6 GP354: 2-126 FT1, FT4! R4 c4 K$ Z2 {* x3 I0 k+ L+ |
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
( Z5 W$ U4 u8 P* kP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)7 @2 \6 B* f8 x. d1 s
P370: 12-1012, 1118, 1214 Example:: Z- |0 {/ _0 r
P371: 12-1108
" p9 x8 A' R' @! ^" D( h0 hP381: 18-108(1)(b), 18-158(1)(b)
3 r* z" R" i' ~# y. b" \/ R4 XP386: 24-206% \% X% @$ X5 M$ w
P389: 26-256
$ y7 Y1 c4 ?: s/ \2 K4 c0 I; LP391-P393: Section 28, Example to determine Motor Conductors and Protection4 Z# R# R! L" v
6 l5 B; z; Z% ]. E9 Y
Appendix D
) \1 Q# c. E) i* Z% @3 G' UTable D1, D2, D3, D4, D5, D6, D7, D16 |
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