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Canadian Electrical Code Review Guide
- p6 e4 G( ]: E- R# n) x! _For the Exam of Electrician For Red Seal License7 X6 ]: z) z7 v& G' ]8 \* B
) U! s, w5 U& J7 N) d( hLesson One' j3 }" q' [% F
Section 0 DEFINITIONS
5 a+ R9 J8 b0 u/ O) m0 X% ~This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:1 o+ p" L' A+ z; q8 h& o6 j
Accessible as applied to wiring methods
) a2 ]) Z$ q5 I/ ~. c% g1 R( ? CAlive or live7 z9 @ v' Y: T3 H& C
Aluminum-sheathed cable
8 C3 I7 l* o- E+ DAmpacity# v/ ~" {' }* L6 h8 h! X( K% {
Authorized person
# I# G+ J: o, h$ H6 G- t- A6 ?: qAuxiliary gutter& c0 c' h* }" ~7 ^; F
AWG1 S6 T# e' e8 N+ `, c2 u1 x5 z
Bonding
/ j3 r( O A0 o" q; m8 p, K( E8 O& OCable tray
' z& H" Y- U1 D g* D3 ^Cellular floor
7 e' h* |1 f. Y& \. T* M) w& v$ x& NBranch circuit
3 k9 U/ h) d8 b0 _8 ?Bus
, V m' t% z8 FBusway$ K h0 X/ k% |3 O& q
Communication circuit- s. y3 S5 |2 s
Extra-low-voltage power circuit+ i# l ^& @* x- ]
Low-energy power circuit
" }0 c3 J5 d9 `) rMulti-wire branch circuit
, j' U5 X2 q7 wRemote control circuit$ p& Z* k1 K* Z e; h
Signal circuit- ~& Q3 s4 q+ C4 x
Circuit breaker T5 H* o' L* e m! u1 `0 n
Instantaneous-trip circuit breaker
' @: g5 R7 c. pConductor
/ }% l( u4 l% {' S0 ]* ?, [+ LConduit1 {" D6 X. s% R1 U
Flexible metal conduit
& A6 H6 w5 a% h8 z! r Liquid-tight flexible conduit! k! m- H: }+ o: A3 Y
Rigid conduit( j. m4 `1 X+ E+ w$ m( w
Rigid metal conduit# ~1 O9 L2 ~, ~5 A) @
Rigid nonmetallic conduit
+ j: ?3 y( X- ~ Rigid PVC conduit
# y h- k* W) @; `# B, t) N( w' f4 D9 }Connector _# r* N+ T% p+ c! ]
Box connector9 I6 c# \: @7 B- ~! N+ o
Wire connector
9 K6 d4 _7 { \Controller
3 W: F: V& [1 ~Disconnecting means
) R: p/ X" S! ^, ~' FDust-tight, b6 P; t: ~+ t- I, V
Dwelling unit: B3 G2 o7 a- k( L$ z2 M! Z
Electrical contractor |. U$ Y+ N6 M& I q
Electrical metallic tubing/ @9 s9 v% r' Z# L( h
Electrical nonmetallic tubing; ~3 u# ?- f1 ?4 q- s/ l- j% I$ F% `
Emergency lighting
# d9 V, Y5 [6 I' g Y( J) xExplosion-proof
4 @( p% I0 c( D& ^Extra-low-voltage power circuit
/ ^; A9 x! O7 `# P z* sFeeder9 k0 P! l" E, c# E! f% A
Flexible metal conduit3 A* v4 w: g6 i; E/ s( y3 y
Ground
1 ?9 F: A' u: R: `. C0 aGround fault circuit interrupter
' H3 u1 h4 y9 q U7 n$ `, eGrounded+ k. x" |( l/ L5 D9 F% I
Grounding
3 ], X* p8 F1 V7 p- QGrounding conductor, J4 o4 V* i( r$ Q
Grounding electrode' i/ Y* }! l u b; D8 U/ }( H
Guarded( F& ]% w9 P% S- [! |! D8 p
Hoistway
4 o/ n6 f* ^7 A( YIdentified8 D. e' l" s8 m, {: K8 t
Lampholder5 F2 t5 b/ f( Z+ Y7 B
Low-voltage protection
5 ], C4 t4 b, r% j& hLow-voltage release
4 g4 \$ ^" k8 W8 G/ qNeutral! ]$ x& W ]- G* {
Noncombustible construction
9 J' r4 I! ]6 S- oOutlet! e( X; w" ^$ k6 a% Z
Outline lighting& y# K. y; _8 I' V) [' l: ]
Over current device
# \1 p% k. K! M5 f1 u# y( ]/ T7 uOverload device
! n X6 [% a& K1 v% h) b/ kPanel board; S+ {" [# |8 a
Panelboard, enclosed
' ?' u! F: S1 }" {1 T" HPermanently connected equipment5 a F0 {" Q# Z* q$ s* E+ x3 e) o0 i
Permit+ b5 J2 Y8 s: A( u/ \- k
Plenum( a) \3 u1 y5 {
Portable as applied to electrical equipment6 a) \# c/ w/ f2 u! k7 B- q/ U
Portable ground fault circuit interrupter
) M" L* P: ?6 S2 c- a1 kPower supply cord8 R9 ^" a3 B, ?/ N, c* k# a. E! G
Raceway
# w% L! V0 N: v, V$ m' eReceptacle, Z: i2 ]9 A: \( R- G
Duplex receptacle- `2 [7 F, ]. X
Single receptacle
8 h% v! z- }' d Split receptacle
4 O$ I1 C! M7 p+ Z( f+ b% r& WService, consumer‘s
5 ?8 M$ q$ ~9 Y6 g n2 Y, ~Service, supply t& ]% t, D' k, {
Service box! S+ u8 N& z1 k$ z6 N
Service room4 g5 [$ m3 J2 g
Single-dwelling
6 B- b5 s8 }1 |Slow-burning as applied to conductor insulation
m+ \1 V0 Q- @0 N$ i8 I' ?Splitter
4 p; C/ N. J% ?* u+ m7 `( lStarter
9 c2 O$ Q3 h* U0 t- ]Switch [. x9 g. x! H W
General-use switch2 j" o. k e W U5 p1 ~; }: Y& G1 W
Indicating switch
$ I! }' G& p) P. J5 C t, v- c Isolating switch3 _# b3 l/ {7 S6 k
Motor-circuit switch3 T6 q# l7 H' [: U/ z, C- Q" h
System3 O, R; J+ X2 f0 U( X
Communication system2 C9 x$ P% S+ n% z3 Q6 |
Community antenna distribution system(CATV)5 }1 ?; z2 b9 Q& J" J
Grounding system; U8 k; e, b9 A
Underfloor raceway: u1 C1 V Q, d4 l1 n
Voltage:
" V% |. ?6 u! D( M Extra-low voltage
: r8 I: Q# q# J6 N, ~ High voltage
9 _; Y2 q Q' D: a9 t Low voltage: T. @! J' B, r! z
Voltage of a circuit
* r! W8 N- P9 p# T* b( @Voltage-to-ground) ?! b* E8 h3 a3 I
Wireway! D+ F8 i+ ?( s2 L
" j" M r* I2 r4 f3 z: LSection 2 GENERAL RULES
) [: w8 ]1 H! o7 y- BAdministrative: `* W' K* Z2 n- |, K; D
2-018 Reconnection
: }; z- @4 [4 c' J2-030 Deviation or Postponement3 @7 g5 ^/ |3 u" H1 X" X% s$ x
Technical General
5 @$ c7 i9 N& O1 E( W! h0 l2-106 Circuit Voltage-to-Ground – Dwelling units
" [( K) p3 _$ ^2-114 Soldering Fluxes# J, k" h8 G( D) F- ?
2-116 AWG Sizes of conductors
1 `, @, ]9 x/ s W1 s2-124 Fire spread (see Appendices B and G)5 U9 e$ C# V. q* n( C, T
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)+ Q# ^8 u: k! \: y; l; j z
Protection of Persons and Property
9 J2 B. F+ v# c; ?+ v# j1 W. |2-202 Guarding of Bare Live Parts
: V2 l( R: ?" d( i; oMaintenance and Operation
1 P$ T! M/ E$ F2 J* M- w2-304 Disconnection7 F) t1 ~. n+ x% C* B7 _
2-306 Maintenance of Live Equipment5 M) o& e: J1 V! w) K
N 2-306 Shock and flash protection (see Appendix B)( q+ L: C4 w" p$ v l8 b
2-308 Working Space About Electrical Equipment: Table-56& @: x- u0 X6 \* \0 |
2-310 Entrance to, and Exit from, Working Space
. D& c9 s1 m% o4 z% O, \2-320 Drainage
# m7 H+ x/ m7 L' b, Y$ r# B6 F2-322 Electrical Equipment near combustible Gas Meters and other Devices
/ D) j: J9 d: m* w- TEnclosures) B2 j2 G4 B R0 T, u
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
9 [( f4 i& y h+ \# P2-404 Marking of Motors: DP, WP, TE% ]+ c8 B! |6 [/ _1 b' Y
' R, g& P* J& ?Section 4 Conductors! Q/ `% }0 r: z" Q
4-000 Scope
! v( d4 d( Q, M5 R/ x4-002 Size of Conductors: 14#, 12#: W( Q2 s* q% J( ?- t1 a' r$ A
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36( r& I; t! j: ?$ G* |* P
4-006 Insulated Conductors: Table 19! I9 X$ }' o7 U
4-010 Uses of Flexible Cord: Table 11
- ?+ @3 r0 R0 A6 Z, C3 u* Y4-012 Sizes of Flexible Cord
! \/ e4 W/ v2 `( r+ p$ E+ j E* H4-014 Ampacity of Flexible Cords: Table 12
/ e* i+ n( V4 b1 b2 j. B# T2 }4-018 Equipment Wire* ]# V: i4 E, G% h: A% X7 L2 y
4-020 Insulation of Neutral Conductors
; ?# b" G, `9 U T* g6 q5 V' O4-022 Size of Neutral conductor
" @; @+ A2 u! x) Z4-024 Common Neutral Conductor
6 @9 B4 Q) x: s4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum* E* ]$ @* ?5 G5 u& Z& \
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
" f/ q6 y5 B% `2 y2 |" P9 D- D, e4-032 Identification of Type MI Neutral Conductors; t0 H: a/ x, W. A
4-034 Use of Identified Conductors. t3 ^; z' S5 f" F
4-036 Colour of Conductors: Phase A, B, C, …
% P, M1 m: }! N1 b) v6 k9 { {. w' i9 G* x1 W8 s
Section 6 Services and Service Equipment8 `8 Z3 Z ]( W4 z6 k
General
$ v) ~* ]2 b0 k0 Q8 V! D& m( K6-102 Number of Supply Services Permitted
. W- g" J) P4 r4 b+ l6-104 Number of Consumer’s Services Permitted in or on a Building
8 C; w7 n$ U& ^, E6-108 Supply Service from an Electric Railway System* i3 y4 `8 x2 P% s! M
6-110 Three-wire Consumer’s Services
3 y$ Y, A! }$ j& H6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors9 V* Y/ m# [$ W7 D3 {0 n% B
6-114 Methods of terminating conductors at consumer’s service: H* j" J3 t5 e
6-116 Consumer’s Service Head Location
) G. E1 R5 |; D8 N: ?" g# KControl and Protective Equipment
6 U' F, g$ [4 L, i4 q8 N; B6-200 Service Equipment
3 \0 j+ @4 ~2 x1 e8 H5 I6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)' v1 W% P% a" E ?) ?9 k
6-208 Consumer’s Service Conductors Location8 J3 b, ~9 a& }; b7 P* Z" @3 T
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches% }. u1 _" `1 M
6-212 Wiring Space in Enclosures4 z1 D6 f. s$ |3 U0 p
6-214 Marking of Service Boxes
* L1 E2 t" G. w9 m1 b7 z! G, uWiring Methods
: E6 u% D5 O* z- _. I" n0 V6-300 Underground Consumer’s Services( h& e! ?7 Z) }' ]6 z
6-302 Overhead Consumer’s Service Conductors
8 g/ s; V2 a+ {1 k" T# `/ T6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable5 ]: G; r# y3 h# {* u x
6-306 Consumer’s Service Raceways
" H% y- Q: B+ j; ^' A C6-308 Use of Bare Neutral in Consumer’s Service
0 z* f) Q5 o, a. i, D4 a# \3 |' s6-310 Use of Joints in Consumer’s Service Neutral Conductors6 Q3 u7 s9 b k
6-312 Condensation in Consumer’s Service Raceway3 Y8 F% S6 b* K- S6 F/ \% ?& g# n
Metering Equipment
0 [9 t; m* `: K# \# `! c6-400 Metering Equipment
( |# O. t4 @: ~0 i7 v2 q6-402 Method of Installing Meter Loops" G6 D. W$ y* v+ m& \
6-404 Enclosures for Instrument Transformers/ W& q2 _9 I8 U' Q6 l$ a- ~
6-408 Location of Meters
7 [0 ?7 B$ Z9 W Y1 K+ Z6 D2 j
8 j( w3 K4 N4 P% `2 w) h$ H9 bSection 8 Circuit Loading and Demand Factors
$ T9 {% R7 K! ]# q9 XGeneral
3 v; Z7 h& F* Q) I9 V8-100 Current Calculations1 m3 K3 m) A' t4 |* O
8-102 Voltage Drop ( see Appendix D)
/ ~; E9 t: {6 Y0 U5 Q8-104 Maximum Circuit Loading
3 w0 |7 E! ?! o$ H. {8-108 Number of Branch Circuit Positions
8 n; J4 g9 h& b2 {& U+ O5 p8-110 Determination of Areas. N/ f9 g/ z; `# \
Services and Feeders
f" ~( y7 o4 I4 ~0 a8-200 Single Dwellings (see Appendix B)
1 e) |& P# m, ~7 j) s; Z8-202 Apartment and Similar Buildings: ^" r: E" l9 K8 c- b% k
8-204 Schools
+ I+ _# w# N+ t- ^8-206 Hospitals4 ^3 H9 |8 W2 _) x$ o: F
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy
4 M: t( l' S0 X ?& M" t0 b, B! y; v" ]8-210 Other Types of Occupancy (Table 14)
, L& ^& \: _/ m' I; a$ x8-212 Special Lighting Circuits7 z. a( {5 Q2 B3 E* E
Branch Circuits" c, y7 T( s) j+ U
8-300 Branch Circuits Supplying Electric Ranges
T/ v3 I0 C1 |( q' J6 K8-302 Connected Loads+ a+ W3 n- o" F8 c/ w, M( ~' \) t, u
" |( D B& B1 S# n! t0 o) c7 V
Section 10 Grounding and Bonding
9 ]2 j; y( P3 T8 f5 s+ X3 T! s rScope and Object
- L, o J2 K& {" _! u10-002 Object
9 u' C! Y8 Q$ L9 G, F, @+ w- ESystem and Circuit Grounding
9 C; F& s# |, f }- b10-102 Two-Wire Direct-Current Systems
( S5 @& Z- o6 n" M& B3 k0 K10-104 Three-Wire Direct-Current Systems
* f3 m" G, }2 x7 a+ S( v5 t) h5 M( m10-106 Alternating-Current Systems
0 D0 P R3 b- X10-110 Electric Crane Circuits: X& L+ @' Q+ G) T0 u% Y C
10-114 Circuits of Less Than 50 V: E5 W$ u$ @0 E1 Y, c6 w
10-116 Instrument Transformer Circuits# |# V" t& ]8 e5 E: c4 A1 }# d$ C
Grounding Connections for Systems and Circuits. r4 s# z* N, B9 A1 y. w( E
10-200 Current Over Grounding and Bonding Conductors
* `! f+ A+ o& w$ S$ I+ h# p7 Y% ^10-204 Grounding Connections for Alternating-Current Systems
' z3 l1 ?8 a* [! }* W: R10-206 Grounding Connections for Isolated Systems) R' Y( f# A: d" z) R3 C5 |+ v1 A
10-210 Conductor to be Grounded: @/ l& ]/ A/ C* _! @. T
Conductor Enclosure Bonding+ ]" B" ]* |/ m4 c4 Z) S1 N
10-302 Other Conductor Enclosures
' Y0 v, Y# ~- Y1 }: aN 10-304( o9 f2 E6 s2 K) ?4 g% U/ S0 q0 L. d0 m
Equipment Bonding
% x( L! P7 e8 E! k. X7 D7 u) h" A10-400 Fixed Equipment, General
& \3 [& f: b5 @7 X/ D* P10-402 Fixed Equipment, Specific (3), (4)
5 c3 o+ B4 O) T# r4 o+ s10-404 In Nonmetallic Wiring Systems. R, Q" n2 d: g; P* W, j% t
10-406 Non-electrical Equipment7 _& {5 n+ R9 d! |4 g# M2 j! b
10-408 Portable Equipment (4)(b)
8 b2 U- I x `) H10-410 Instrument Transformer Cases7 z( [ O. J. t0 R7 Z% Z, N$ A
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
9 E0 J3 w H p10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
& U' d$ K' U7 hMethods of Grounding$ F5 N# S' v% ~; X% |
10-500 Effective grounding (see Appendix B)
* Z0 l& S6 v9 G4 F! j/ o+ A10-502 Common grounding conductors
' B' x8 p4 E' }10-504 Common grounding electrodes; z+ T0 k7 j' @5 Q$ N2 A
Bonding Methods/ r# q, l& A; k; M4 v
10-600 Clean Surfaces
7 P3 z/ e, P% g10-604 Bonding at Service Equipment1 ?* S: u* ?2 L$ b' E( M0 G; i
10-606 Means of Assuring Continuity at Service Equipment
' p) x9 T# c! F: Q. Y0 X10-610 Bonding at Other Than Service Equipment
7 f( N8 l6 w5 L8 e/ r; y3 p10-612 Loosely Jointed Metal Raceways, m7 ~7 k/ D9 M$ b' N( Y
10-614 Bonding Jumpers Table 41) w5 @: a& L. O' c u! P8 G
Grounding Electrodes( S* Z, E! z( w, \& V4 T
10-700 Grounding Electrodes
* f( M" |! p! p2 ]6 C% Y10-702 Artificial Grounding Electrodes: ?- v1 Q& v I0 U% v) o' i
N 10-700 & 10-702% L; I5 G0 d* ]# P
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
Q9 T, ]4 ?5 `; b. ?N 10-702
8 I% { K i6 I T0 f/ Y* i: C10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding0 x' d* F* C& E7 ]3 b+ r1 T
N 10-7026 Y5 b" e: ~& q& n
10-710 Use of Lightning Rods (Appendices B and G)
# P& K* q W6 KN 10-7064 @4 X+ Y! ]1 V* n7 L4 v
Grounding and Bonding Conductors, Q4 U5 |1 y; { A8 ^0 P) ]
10-800 Continuity of Grounding and Bonding Conductors
+ O% |$ ~$ @# N3 z2 d3 q" b4 ~10-802 Material for System Grounding Conductors
( b$ U6 D1 H9 e) z" M" U10-804 Material for Bonding Conductors
; i. }) H8 k# ?! P: o) r8 R. i$ ~10-806 Installation of System Grounding Conductors
7 ~2 j( ^( |5 }8 u: x5 G2 F. u10-808 Installation of Equipment Bonding Conductors% O {0 K( p7 H/ {! w4 @
10-810 Grounding Conductor Size for DC Circuits
8 L6 }" z" G1 l/ a2 [! r10-812 Grounding Conductor Size for AC Systems (see Appendix B)" ?8 U' `; |( p9 k) z" m2 { a
10-814 Bonding Conductor Size (Appendix B)
* ^# {& T, q3 g" M' L, v10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
* a! h5 A7 l9 a. {8 y10-818 Bonding Conductor for Outline Lighting% b# W! u+ {) Q* s# @% ^
10-820 Bonding Conductor Size for Instrument Transformers
" B2 O/ a/ G9 I* k0 qGrounding and Bonding Conductor Connections& T( {9 a5 g, i& [
10-902 Grounding Conduct Connection to Water Pipe Electrodes9 z, h8 h* ]9 w
10-906 Bonding conductor connection to circuits and equipment+ J$ e) _6 b: ?5 e) Z' o$ v
10-908 Grounding Conductor Connection to Electrodes& d. D8 c: B: F! Y) M
Lightning Arresters* W; C* p. A. A- R& J$ Q" h
10-1000 Lightning Arresters on Secondary Services – 750V or Less. m$ w/ p7 q8 V! u: R
/ _: o; C* o( E5 Z5 [5 N" T0 Z; X
Section 12 – Wiring Methods/ q: [) y3 v% W' M
Scope
2 y: Z. |3 D7 g# u+ k! ?) l0 _12-000 Scope (Appendix B); _( `0 a u* o7 N$ F% ?! z
General Requirement$ T$ d* ?& ^! L8 H' o
12-010 Wiring in Ducts and Plenum Chambers
: }# Y3 [! R' I" a4 \& D12-012 Underground Installations (Appendix B)6 F2 d3 e; P9 H
12-016 Lightning Rod Conductors# D4 n1 f8 o0 B* y; m l7 B
Conductors - General
: y( j5 S& `8 s& H" R+ ^5 X# q12-100 Types of Conductors (Appendix B) Table 19
8 y* @/ p2 C( z" [, z3 T12-102 Thermoplastic-Insulated Conductors
; u! I3 ^3 Y3 X- W12-104 Flame Tested Coverings
8 J, q. H X& n7 i3 N12-106 Multi- and Single- Conductor Cables
/ u8 y. _! @- s5 O% {; I12-108 Conductors in Parallel (Appendix B)
+ W2 G. s- y1 L; A$ Z6 d& J0 f; g; R12-112 Conductor Joints and Splices+ `' Q' `+ R; {* M2 u' C
12-114 Ends of insulated conductors5 i7 P0 s/ ?* V) V
12-116 Termination of Conductors (Appendix B)
2 D0 ?# ]5 R" n! g3 v12-118 Termination and Splicing of Aluminum Conductors1 b. R& a5 ? j) c) R* ]- f
12-120 Supporting of Conductors - Table 21
& W7 s: A4 Y& D1 H5 aOpen Wiring
+ m" n, o0 P( `, d4 H! [12-204 Spacing of Conductors
+ Z& |6 m W8 g3 R' C A% p: z5 I12-206 Conductor Supports
3 E3 @9 c. t5 w12-208 Conductors on Flat Surfaces
5 l9 q/ a$ v& s& F6 q% q12-212 Protection from Mechanical Injury
( `' a* a7 R0 C# R3 IExposed Wiring on Exteriors of buildings and between Buildings on the same Premises+ a6 V9 |6 I' D
12-308 Minimum Size of Overhead Conductors
" n# V) p3 N0 h. S12-318 Use of Neutral Supported Cables
. S. {9 y/ G Z7 L- ]7 I; Z# g2 G% QNonmetallic Sheathed Cable& j3 v. B$ W8 C: `1 E$ L1 y- o
12-502 Maximum Voltage
% O3 J5 A! h v0 v4 g12-510 Running of cable between Boxes and Fittings (Appendix G)
4 v$ ]! t) l! @. G7 P* l12-514 Protection on joists and rafters
. N/ V* B C+ [$ p5 @/ k( ~: F12-516 Protection for Cable in Concealed Installations (Appendix G)
, C" J$ N4 U2 O$ E6 \! u12-522 Where Outlet Boxes Are Not Required
0 Z0 g4 C8 h! ]$ N3 t) oArmoured Cable
2 K2 c' b9 u7 ~: S( i4 ]12-602 Use (Appendix B)
8 G/ L3 r0 _, A6 U7 k: [' U12-604 Protection for Armoured Cables in Lanes) O1 |9 [+ F, u# h! r$ X
12-606 Use of Thermoplastic Covered Armoured Cable
; w0 r; r' c5 a" q12-608 Continuity of Armoured Cable
/ e: Q' W, g+ N0 v12-610 Terminating Armoured Cable5 c+ t( }6 P# ]. J8 b) V' K1 N
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
3 {/ w; ^( t. w12-614 Radii of Bends in Armoured Cables* s8 G8 F0 {( [0 c+ n
12-616 Concealed Armoured Cable Installation1 T* S- M$ C, ]4 y/ v0 S% E4 R
12-618 Running of Cable between Boxes, Etc0 a1 V6 y( f' z- i
Mineral-Insulated and Aluminum-Sheathed Cable& k7 c1 P1 y! o$ [' w3 |6 d
12-702 Use
/ l% I3 V% {/ z) G12-704 Use When Embedded! E8 ^" ?7 k5 C
12-706 Method of Supporting) ?" u. H! p2 H& u7 J8 m D3 ]
12-708 Direct Earth Burial% W& @7 ?: M' U. K0 \( D' c* x
12-710 Mechanical Protection
2 t) o& u o3 ]- n$ X( u12-712 Radii of Bends9 A& V- ]" `: [% o$ x- S
12-714 Termination of Mineral-Insulated Cable (Appendix B)) M; C/ I# G+ u( `2 n4 S
12-716 Connection to Other Forms of Wiring
' q0 z' h0 K t- P/ d' |. D- RFlat Conductor Cable Type FCC7 f1 v D8 o$ p. g: q/ h/ h c
12-804 Use Permitted
4 g# x1 H7 U0 t0 a6 j7 O1 [12-806 Use Prohibited
9 h- h; W0 ?2 s& c @12-818 Anchoring
) j+ p8 l% `6 v3 Z/ ^# l$ Y12-820 Crossings# n" }( F/ X* z. M, o
Raceways - General, c- |% C; I' \9 p! k
12-904 Conductors in Raceways" y- D8 X2 ^# @ M8 ^
12-906 Protection of Conductors at Ends of Raceways) M" }7 F2 U y5 W
12-908 Inserting Conductors in Raceways' [! w( U- ?, E- A) L; t, M
12-910 Joints or Splices Within Raceways
8 j h, U+ Z( J S7 ^: I12-912 Stranding of Conductors( j2 P5 j$ h5 ~
12-914 Electrical Continuity of Raceways
5 A' j3 c+ \0 ], J1 ~" `8 K- B12-922 Radii of Bends in Raceways- F: u9 {' J' }0 U# y$ Y5 I' U
N 12-922 Radii of Bends in Raceways Table 72 S2 q6 l6 C; [& i
12-932 Protection for Raceways in Lanes
8 }$ k& `" c3 g# K7 O$ B4 S- M12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
, k; [4 B% D! v12-938 Capping of Unused Raceways. P0 ^4 i+ o5 d8 N( i# A% i
12-940 Maximum Number of Bends in Raceways. n' d& x$ Z6 g. m
Rigid and Flexible Metal Conduit
( R. z w8 M- y) E0 ~: G. c12-1002 Use' C3 M6 {1 K4 A, c* E
12-1004 Minimum Size of Conduits
* p* g$ g& U& w5 i$ k6 Z9 n12-1006 Conduit Threads (Appendix B), ]: e* N4 a! i* L, W
12-1008 Thread Engagement
! [: v, K _) k& \0 I3 U" W12-1010 Maximum Spacing of Conduit Supports
2 i# R+ s" I- c' v" F12-1012 Expansion and Contraction of Conduits (Appendix B)
7 F% v( x* r" b0 W, ^) t12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
/ W; R# S/ q* C3 H* s: a1 _, ]Rigid PVC Conduit and Rigid HFT Conduit7 v2 {+ e# @( ~8 F! U
12-1100 Use
' M" N4 O2 ? R( P C12-1102 Restrictions on Use! `; V+ l; H1 ` m) @
12-1104 Temperature Limitations (Appendix B)
& X l3 y: X2 r Z+ o& ^12-1108 Field Bends (Appendix B), (2)
; \, c+ Q [) n( A12-1110 Support of Luminaires" K) l8 u1 K9 X5 F% @. @, S
12-1112 Fittings
5 K6 k+ L1 |2 m12-1114 Maximum Spacing of Conduit Supports
! Y* {) x7 U* G12-1116 Support of Equipment
1 k8 ~4 a% K' U& i3 _9 q" v6 b$ ~12-1118 Expansion Joints (Appendix B example)
+ @ e/ C2 H' P/ S0 L" ARigid RTRC Conduit9 r/ O, S# ~ A5 c# G/ r1 P
12-1210 Temperature Limitations3 K8 q4 a" b1 Z" ^3 a p; l0 X) d
12-1214 Expansion Joints (Appendix B)
8 v) B$ b/ l6 I' pLiquid-Tight Flexible Conduit
3 ?' T. {7 J, ?* g12-1302 Use of Liquid-Tight Flexible Conduit
2 M! l( F8 G2 C q1 l& T3 T) F12-1304 Maximum Number of Conductors/ @+ T0 ^8 A7 `) C+ `$ t+ ? }4 {
12-1306 Provisions for Bonding8 m5 ^2 c: r/ o; x
Electrical Metallic Tubing
; _( t% @( h8 Z! r. G ]12-1402 Use$ M6 J" S9 E; H: `! D
12-1404 Supports- O" `$ s( b9 Y# b* d
12-1406 Minimum Tubing Size2 G4 E6 M: c+ z+ W
12-1408 Maximum Number of Conductors$ v: B$ D; v+ H1 s. n6 H
12-1410 Connections and Couplings4 u/ N- ]- ^5 o' J
12-1412 Radii of Bends in Tubing
3 k( Q' E- [& A' Z2 n4 `N Table 7
3 h( b6 h% Z9 n1 g gElectrical Nonmetallic Tubing
/ r7 j6 J8 b% Y e, j H8 W/ b12-1516 Provision for Bonding Continuity
5 @( o" ^* }" s9 x1 P5 C `* p9 cN 12-1514" z0 Q" ^3 H/ {* P; n) k C5 |
Surface Raceways2 M& o1 k% p% O+ e: s: n
12-1602 Use of Surface Raceway (Appendix B)
G* O" p8 k6 P$ `7 i8 N12-1604 Temperature Limitations
/ c( ^ n6 d5 T' V% p12-1606 Conductors in Surface Raceways (Appendix B)
5 T5 N o! `* Q; w* t) O$ o0 f* a( ^12-1608 Maximum Voltage
1 F( F* u8 U( u; m12-1610 Joints and splices
H( Q! `0 n) ?( g# x, G# wUnderfloor Raceways
! R- a3 r) _6 N3 @+ B12-1712 Discontinued Outlets in Underfloor Raceways: v2 m% G; ]# M" }
Cellular Floors
0 ?" l' y& g, ?& V; m5 d7 ?12-1804 Maximum Conductor Size in Cellular Floor
( Z* L( [- `! f4 m( t: S12-1820 Cellular floor discontinued outlets
+ p1 l0 c8 C! [6 jAuxiliary Gutters$ a2 s* k8 Q0 T _7 o$ L$ E
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
# C) v5 D. K+ D5 e6 a: A" L( ]12-1902 Auxiliary Gutter Supports' L9 |5 m: P; `2 v
12-1904 Auxiliary Gutter Cross-Sectional Area
2 l" i' T5 K; P+ C" |Busways and Splitters
8 t ?) @ c- e! `! o* [12-2004 AC Circuits in Busways and Splitters
% h" G/ B! O A- z# j12-2006 Busway and Splitter Supports
- O6 {3 C! A+ [6 v u! A- n12-2008 Method of Installation of Busways* A1 O5 k- a" T; N, q8 G$ @
12-2012 Reduction in Size of Busways7 k9 f7 |3 w1 |' z* O8 U/ ^
12-2014 Length of Busways Used as Branch Circuits
. h% @# y |5 I( f12-2018 Taps in Splitters8 `$ \' @5 O/ Z' m( f3 }+ y: a
Wireways; q9 r# `4 G, K' Z, Q
12-2104 Conductors in Wireways
\/ y% e; {1 g) _8 @' o12-2106 Taps and Splices in Wireways
' k4 g& I+ y J4 M- ?5 `0 h# d9 p Cable Trays7 G7 ~! R9 t V9 O% b# Y# T
12-2200 Method of Installation (Appendix B)
" D5 S! H( M% c6 O G( i. x12-2204 Joints and Splices Within Cable Trays. |) I) V. @) A8 F+ h
12-2208 Provisions for Bonding6 K4 {. }2 I( P
12-2210 Ampacities of Conductors in Cable Trays% C3 P9 T9 Q7 Z
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
$ Y9 u& T6 R% \: z6 T12-3000 Maximum Number of Outlets Per Circuit
" M! P5 x/ T' R dN 8-304- v5 }* [( }3 a! J' A* N
12-3002 Outlet Boxes (Appendix B)
) M# i2 u! H5 I3 A1 ON 12-30009 c$ m' ~) q& L/ G& |4 d
12-3004 Outlet Box Covers7 G6 Y3 R$ k8 f& P" s
N 12-3002
4 Z* A2 }" `$ t: Q8 M12-3010 Boxes in Concrete Construction
* J/ \0 u# A, \2 [N 12-3008# y0 i5 |4 K: R9 @
12-3012 Outlet Box Supports1 T& E% {: Q. k7 D. g: F7 X4 S
N 12-3010
4 x0 J' Z! O4 T( b5 R* x12-3016 Accessibility of Junction Boxes. g9 J0 S, Q. c( R
N 12-3014& }; x2 O6 S' L; l$ R% u
12-3018 Flush Boxes, cabinets, and Fittings5 }& C; E! w/ M! p: B* O' j
N 12-3016
0 u( c/ m0 q- R; u. b12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) ; |* s5 l$ U% q- L
N 12-3022" d2 u5 v) N0 R* [. D* Y5 S3 I
12-3036 Maximum Number of conductors in a Box - Table 23
0 e1 R- T9 Z5 S: A. V/ DN 12-3034
; N4 N1 j# j" Z) h( z12-3038 Pull Box or Junction box Sizes
/ a7 ^. L. Z+ G# Z3 nN 12-3036& s% `! v, ]3 |& z
- |& B5 h3 g. K/ g
Section 14 Protection and Control
1 o4 g* v3 P( B# J5 KGeneral Requirement3 Z8 L5 D) w6 n1 {- @. f
14-010 Protective and Control Devices Required
- Q1 }0 G/ ^/ w/ T14-016 Connection of Devices
3 b! C, T- A/ J Protective Devices – General5 D. G$ G* E! ]' s5 [! { N
14-100 Overcurrent Devices Required
) H' Z& p0 T; i, B5 U8 f14-102 Ground Fault Protection (Appendix B)
* d, a* G* g* l14-104 Rating of Overcurrent Devices (Appendix B) Table 13- Q. `5 f4 k8 k+ z
14-112 Overcurrent Devices in Parallel
' X+ s- c8 f/ [Fuses
. x" ?. d1 l4 {8 [4 h: i1 u* r14-200 Time-Delay and Low-Melting Point Fuses# u9 O; n, Y& h/ L1 c
14-202 Use of Plug Fuses
# j/ D4 x ^3 [ R! i14-208 Rating of Fuses
& a5 r) u {6 W# Q) N6 q14-212 Use of Fuses (Appendix B)
- d$ D4 G+ K+ G2 p# FCircuit Breakers
1 b' f" H8 `: E3 y' Z% S14-300 Circuit Breakers, General, D7 e( w" ^' r ~4 w
14-306 Tripping Elements for Circuit Breakers& Y: }7 ^( l' ?5 e
14-308 Battery Control Power for Circuit Breakers
' X$ l1 \! u. O) TControl Devices - General
& X5 q* Q( |" g) u4 c p14-402 Disconnecting Means Required for Fused Circuits
1 X! [% T+ o: G( V9 H2 Q* _: dControl Devices - Switches. Z" K- J/ N: l/ n4 X' G# l) I
14-502 Mounting of knife Switches
* Q0 V S* E1 Z" ^, M$ e14-504 Maximum Rating of Switches( Z/ w2 t' i _6 K! F
14-508 Rating of General-Use AC/DC Switches (Appendix B)% I7 |7 @9 {) z6 k p
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)5 Q+ i. k4 w; Y, d, \ [$ `
Solid State Devices; W% k& r5 m6 \8 c( {9 Q0 t% p" x
14-700 Restriction of Use
" B2 Y: J5 D' w14-702 Disconnecting Means Required4 D+ _# m$ d% ]! v* ]; R
; u1 n* e0 M) l2 q) @/ \8 iSection 16 Class 1 and Class 2 Circuits6 d- Z2 M i" x6 y% M9 }8 Q( v/ [
General0 `; i6 ~$ X3 q& g' w8 P
16-004 Class 1 Extra-Low-Voltage Power Circuits: @* j( n. i! E7 W( [& [! {/ x
16-006 Class 2 Low-Energy Power Circuits9 [( K) x l2 u+ d: @ m4 K
16-012 Circuits in Communication Cables M* l6 p1 L. X- O$ K' J! a
Class 1 Circuits9 p4 r* b" A, i( k# Q
16-100 Limitation of Class 1 Circuits& @4 l E% |; Y( q' _" A/ \' A
16-104 Overcurrent Protection of Class 1 Circuits7 d' p) \: E& Q& k" \1 A2 e) c
16-106 Location of Overcurrent Devices in Class 1 Circuits
7 ^$ w# d& B. m& P16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
% F0 o2 a) l" l/ c2 [- R0 V+ W16-110 Conductor Material and Sizes
* W Q h2 `8 ]* z16-112 Insulated Conductors for Class 1 Wiring
: F$ T# S6 g' F V z2 RClass 2 Circuits
( ~1 z6 u2 ~4 C. |. ~" y- E, Y16-200 Limitations of Class 2 Circuits (Appendix B); Y( T0 m- y' e
16-204 Marking. h4 E4 k/ I' u% Z9 d! o
16-206 Overcurrent Protection for Class 2 Circuits$ s$ p+ N% L* m# c/ e+ R' \" `
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
8 }+ e ?( I/ A. C8 V) V- \' MELC: extra-low-voltage cable* y2 ^/ o- J3 N
16-212 Separation of Class 2 Circuit Conductors from Other Circuits7 w7 B2 m: O z& L
2 H9 C- B1 e# @$ }) c
Section 18 Hazardous Locations3 i) J; z) U4 u7 ]
Scope and Introduction
8 [, B- ^+ _9 A18-004 Classification9 A4 r6 [) v0 M& w
18-006 Division of Class I Locations (Appendices B and J)
# x& O* R. O2 T& f' h/ C, m18-008 Division of Class II Locations (Appendix B)
$ ^! l$ T9 l4 z& Q9 q! I, x. U" N18-010 Division of Class III Locations (Appendix B)
. T" ]9 B F: {+ K. uGeneral0 ~5 n! } d) F) j4 |3 X/ V, V- ]
18-062 Metal-Covered Cable (Appendix B)6 \* z" c ] ~! q
Installations in Class 1, Zone 1 Location
9 K+ I0 `0 r% g4 S/ q" n18-108 Sealing, Class I, Zone I (Appendix B)
5 A8 i: M, |( Y# i; q2 g8 H' y' E
4 C% D! i/ v/ t' d5 K1 MSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
: T5 v9 C) k; @! l! GGasoline Dispensing and Service Stations
3 _# N( `) f) c- h/ \20-002 General
4 A9 c* }: _) S: E& g9 `. h! o$ j20-004 Hazardous Area (Appendix B)
/ P1 Z0 ~+ o1 Z1 K' S. }Propane Dispensing, Container Filling, and Storage- M4 z& z7 r# }' k: @
20-034 Hazardous Areas - Table 63
6 X& u; m6 H6 h6 S* eCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities8 Y0 M" d3 {. t1 f9 {
20-062 Hazardous Areas a+ i( w5 u/ t( z- x& \* D
Commercial Garages – Repairs and Storage
, W5 B4 W4 z. I6 q% t0 ?4 F* [- F! ^20-100 Scope9 @% x; Y" b6 @% A% ]' Z
20-102 Hazardous Areas (1) ! b5 ~# z; X7 `' G# c/ p( @
: {1 z* A) g+ q: u# e" w$ e
Section 24 Patient Care Areas6 F) h7 A3 `, {3 q1 ]3 F
24-000 Scope (Appendix B)
5 E v9 ~# d' m) A7 }. `- v( |24-002 Special Terminology (Appendix B)
& y: z: b* r! N! F: C: l% n Patient care area
( G6 ?/ V0 [4 V! s3 X xPatient Care Areas: U' @, z8 Y, l1 b1 Q# c
24-106 Receptacles in Basic Care Areas (Appendix B)1 U- h7 p( ?( I* m; z w- F3 s% x
Isolated Systems
9 E: f4 \8 [3 T. f24-204 Single-Phase Isolated Circuits (Appendix B)
% g) t: \) l' } H' _! Q# R6 w24-2065 ^1 t9 b: x! O" f
( L, s w( Y5 N. E# Q9 N
Section 26 Installation of Electrical Equipment
1 W0 p }3 r) \2 L5 J9 \General
( O/ ~/ f4 j# ^$ }8 j h+ L26-004 Equipment Over Combustible Surfaces (Appendix B)
. m* s! ^1 w: W& b2 t9 [26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)5 F7 {* e3 V: c# v
Isolating Switches
7 `4 m) P& z" N0 T8 H, r7 M26-100 Location of Isolating Switches4 E4 E, o0 `5 R7 F9 z, i
Capacitors
9 ^. h9 F0 e- |+ l26-204 Guarding of Capacitors- L4 j2 i/ t" {0 _+ \/ J& {1 F
26-206 Grounding of Capacitors
- a6 B( V' Y0 }4 x26-208 Conductor Size for Capacitors
0 z6 {. S |1 O4 Y. h26-210 Overcurrent Protection (Appendix B)
- h, _* ^; J0 k( P6 O1 a26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
* _ m- k2 b4 D# a26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits4 ~, ^: Y# L M ^4 x. U1 r# Q
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits1 h5 [5 P& U2 t, ?
26-218 Special Provisions for Motor Circuit Capacitors$ o; j) |! z3 a
26-222 Drainage of Stored Charge of Capacitors& v, g) Z3 \7 _0 {3 w% c
Transformers
: k' w& {" E7 w" Q; y" H2 c& m2 E+ L' j26-240 Transformers, General
2 R2 G3 |3 j! K8 ]# B* l3 \8 E( m% U26-242 Outdoor Transformer Installations, o- g) J2 i0 k) y
26-244 Transformers, Mounted on Roofs (Appendix B)
$ R$ _- e1 }6 y( d) U; J2 @. J26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
" y" L0 [& Q* R' X6 Y$ A9 b8 |26-248 Dry-Core, Open-Ventilated Type Transformers
& c& g' d0 l& ]; d26-250 Disconnecting Means for Transformers
! F$ x- z& q7 L8 f26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
8 }1 o6 l @6 @0 |& ?8 C6 R26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
1 C' O/ s- M7 i' k# O( H- m4 c26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)7 _2 k9 R$ J9 z a- z. |' s% v: ^
26-258 Conductor Size for Transformers9 {/ P4 o, j# r2 S; G
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)6 n- E' b. t3 R; W' a
26-262 Marking of Transformers& n7 w) N8 u6 C( _
26-264 Auto-Transformers
+ |. p( x$ X. ~+ `2 j+ F$ ~Fences/ I( y$ w2 J- I
26-302 Clearance of Equipment - Table 33' J8 W: l: ]( h/ {/ I( V
Panelboards1 L! O( o/ o, B1 _1 f
26-400 Panelboards in Dwelling Units (Appendix B)
# E# T r( W% J$ D- g' E26-402 Location of Panelboards (Appendix G)* T. q0 a; T2 V5 M$ Z
Lightning Arresters
+ T/ I& b4 N7 t4 r4 J26-508 Connection of Lightning Arresters/ S5 {' S) y* O
Storage Batteries
2 V% b' `" u: O& ?; E1 t2 q26-542 Special Terminology
' p5 A( r: t3 a3 z1 D& t _4 [* z26-550 Battery Installation% v4 t. ^- c6 Z0 v( r6 o D
26-552 Wiring to Batteries ?5 E( {- c. p
Arc Lamps6 s- b4 {1 {! x- l' |/ U8 | ^
26-600 Location of Arc Lamps
, `/ `8 p7 S- v0 r1 Z- @26-602 Conductors to Arc Lamps
* F3 |, d1 S' P# @1 T9 M0 W26-608 Globes and Spark Arresters
2 r8 ^! E2 U% \/ cReceptacles
# c6 Q( A' S' W5 J q J% a( P" k26-700 General (Appendix B)4 W& b) z8 t/ ~2 Z4 D* l
26-702 Receptacles Exposed to the Weather
/ H% W" L' O3 {" M9 }0 yReceptacles in Residential Occupancies
; W) X# a% C% j2 ?+ X& ]! z26-710 General (Appendices B and G)
8 a( E! w* B( v0 S6 n; i26-712 Receptacles in Dwelling Units (Appendices B and G)8 V4 O' x9 m) x% B5 N/ l; F
26-714 Receptacles in Single Dwellings (Appendices B and G)
# Q# r! R2 x: V% n: VBranch Circuits in Residential Occupancies+ Q! B' Z# F4 I2 S- ^) h0 \
26-720 General- d) ?9 g5 j2 ?! n) q* ]4 y
26-722 Branch Circuits in Dwelling Units# J$ x" x, T8 H9 j
26-724 Branch Circuits in Single Dwellings
: A) t6 K2 K) P6 j1 T4 S* T26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
) Z( z8 g0 E7 k# G4 D, JN 26-720 (F)
) [- t1 d3 Q# D0 ^5 i T" NElectric Heating and Cooking Appliances
2 c7 a- c; z+ W4 y3 `9 J26-744 Supply connections for Appliances
# i0 d( [' W7 |: A) E26-750 Installation of Storage-Tank Water Heaters, n5 c! }) O4 R) E/ a7 r4 W
26-752 Infrared Drying Lamps" Y& y* q+ K D5 f% ~, n1 r
/ S$ S( ~& L0 o+ q2 P7 H1 sSection 28 Motors and Generators
* T9 M7 A( Q1 fGeneral
0 J$ f2 W( X' j- {9 e7 O28-010 Special Terminology9 o( \' s% k5 n
Hermetic refrigerant motor compressor
_& Q' J# R' H+ H% s( S0 {Locked rotor current rating
- t/ u% |# X( m. J9 Y- jService Factor
( G3 i; C5 X( k9 S: L0 H( R7 vTable 44; Table 45; Table-D2
: \6 L; y+ O; `5 i# g9 TWiring Methods and Conductors
/ {* P; i G) L( V% Z28-102 Portable Motors
z( g- W$ M9 T* C28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity5 B: q7 T# n$ w8 l# ]
28-106 Conductors, Individual Motors
8 j) D# a6 z+ z \4 U5 g28-108 Conductors, Two or More Motors- |" o* Z' J; q4 U/ p
28-110 Feeder Conductors3 d: |" P, U, Z) \3 u- P7 M
28-112 Secondary Conductors2 b8 j( b& @5 h* o6 k; E/ H
Overcurrent Protection- Q9 O; Y6 \0 w L' `2 A4 k
28-200 Branch Circuit Overcurrent Protection+ _( n+ |) L; N2 R( G
28-204 Feeder Overcurrent Protection
( A* }0 J0 s7 |; b& C28-206 Grouping of Motors on a Single Branch Circuit- B$ u+ C( b4 @8 u* K
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)* N, n9 r4 F4 _# q, h* m. |1 L
Overload and Overheating Protection
$ R0 F/ W: Z. e" \28-302 Types of Overload Protection, b7 o! ~4 {4 k: s3 z* S
28-304 Number and Location of Overload Devices (Appendix B) Table 25( |5 r7 C7 b( [0 U. ~' [7 k: I
28-306 Rating or Trip Selection of Overload Devices (Appendix B)
* G, F# G* \9 |5 a9 ]28-308 Overload Protection Not Required+ z2 F. }4 [ X+ \ {, q- @
Undervoltage Protection ( o" R1 r d& I
28-400 Undervoltage Protection Required for Motors (Appendix B)
" Z; f8 @+ p6 J1 @Control9 l, b5 O" f- C1 e- \2 \
28-500 Control Required7 y3 U) l5 m6 e- G1 _) b/ N8 E
28-502 Control Location
: A$ z' _2 u$ ^/ }; s* m/ C28-504 Starters Having Different Starting and Running Position/ Y5 r5 H) A U K! x) j: |
28-506 Grounded Control Circuit
+ Z- s! n0 M# _3 Y# y! B" @% s; ~3 X. Q1 MDisconnecting Means, G: p# C0 @+ t5 S% W# Y
28-600 Disconnecting Means Required7 e8 p) K X, b3 Y
28-602 Types and Ratings of disconnecting Means (Appendix B)' M$ p7 P) r4 r6 W% \5 l! d$ V3 S
28-604 Location of Disconnecting Means, B/ I' @% Q2 v4 c. l
Hermetic Refrigerant Motor-Compressors8 W( a, [$ F" H* [( K) e% j6 u
28-706 Conductor Ampacity
- j4 K T1 H% S- m28-708 Overcurrent Protection, s+ j6 K! U) m' \* r* l
28-714 Disconnecting Means( } L' j1 T3 \1 `) a6 d! B: q8 h3 Y
Protection and Control of Generators
( P2 B% L' {# J0 r1 v28-900 Disconnecting Means Required for Generators
7 [7 e& A& J7 Q2 U0 k% ^% q28-902 Protection of Constant-Voltage Generators5 e2 H$ c" d* C( g' W
28-904 Generator Not Driven by Electricity
; P1 z; L0 b/ x% o' r' u: ] c28-906 Balancer sets+ N' P8 y9 _% l+ c8 H3 x, @# O
28-908 Three-Wire Direct-Current Generators1 W% b1 I: Q: h" b8 d
; Y1 d. D" }! V( ^8 {Section 30 Installation of Lighting Equipment
5 G- ^: u) s. M3 h* M3 t30-002 Special Terminology (Appendix B). ^1 `( @) u" w* Z
General
6 c% s8 [6 q( C3 [) B7 U30-102 Voltage
+ X* G2 F( H9 t: _$ p# u30-104 Protection (Appendix B)
# U9 Z% ^# Y9 b4 H( y8 `1 {30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment* K9 F, O) F, D- C L" f4 A
30-108 Polarization of Luminaires/ c4 r" y' B" u* _! v
30-110 Bonding of Lighting Equipment
' b7 J* N9 a8 h1 l3 C3 VLocation of Lighting Equipment# k6 z$ C7 n3 v9 [* X
30-200 Near or Over Combustible Material
* i6 } @7 S. f4 v* C" H$ k30-202 In Show Windows. s, G% W0 s C. A: V
30-204 In Clothes Closets
, B) @0 a% d' g+ _Installation of Lighting Equipment
( r. m2 s; M+ G0 z; a! R. }7 q30-302 Support
9 j2 Q! A$ d- j( z) ~, g% {30-304 Outlet Boxes to be Covered
+ N* S- u3 G% Z( s3 e3 W3 ^30-308 Circuit Connections. |$ j, e1 R: q1 y% p
30-310 Luminaire as a Raceway! \, s) s- k4 F9 ^
30-314 Minimum Height of Low Luminaires, n5 F) Z; A' a; i# H* ?, q
30-316 Luminaires Exposed to Flying Objects4 ^: \* A) i) U" g
30-320 Luminaires in Damp or Wet Locations
. C8 N0 H4 C1 h- E( }' vN 30-318& o0 t8 z& g; [! i/ n U# _ G0 ]9 Y
Wiring of Lighting Equipment
9 G9 p$ U0 U/ R. @0 `30-400 Wiring of Luminaires3 l% g; e* K. x* Z6 [
30-402 Colour Coding# V0 m/ i1 X& `+ n) V8 o! T
30-404 Conductor Insulation8 L" L' z7 z' o4 M H- `2 y
30-406 Conductors on Movable Parts9 A: r7 w+ P) A* Q" H N& N$ }
30-408 Wiring of Ceiling Outlet Boxes
1 E; j( q. D$ P2 t; \ A$ I( Y30-410 Wiring of Show Window Luminaires$ U! K8 S& x7 G2 U* _2 R0 |1 `
30-412 Tap Connection Conductors
' v" f( }, W; ELuminaires in buildings of Residential Occupancy7 O8 C4 |( e/ z) O
30-500 Lighting Equipment at Entrances (Appendix G)
9 P; i r. y* g3 @% O% o30-502 Luminaires in Dwelling Units (Appendix G)
" Y) [, J' G7 Y% J2 P30-504 Stairways (Appendix G); s E+ z1 Y( }7 U1 t6 j
30-506 Basements (Appendix G)
, _) h$ r) Z0 }# F30-508 Storage Rooms (Appendix G)8 q- X0 o; `9 e
30-510 Garages and Carports (Appendix G)
5 U1 f* K* J" U& _+ VLampholders
# k! O/ o* J n! `/ {30-600 Lampholder rating with Incandescent Lamps; @5 t4 w7 a1 G1 m5 K ~
N CANCEL
& s! e. H7 \) b$ m6 l E30-602 Connections to Lampholders5 c0 |7 q ]5 C9 j4 T& ]
N 30-600
4 s: c [9 B/ A5 m% q1 b30-604 Switched Lampholders Used on Unidentified Circuits
9 ^" i- M: z% [* w: i9 n3 kN 30-602( @4 N$ m5 E( ?, F
30-606 Switched Lampholders with Pull-Type Mechanisms
- b A; v4 l3 L4 L( nN 30-604/ u2 D$ [# u) S# @. G- e. L
30-610 Pendant Lampholders
2 _1 d* i4 B' C, hN 30-608
% T) W" M4 L" Z& iElectric-Discharge Lighting Systems Operating at 1000V or Less
8 A- f6 [; V; t4 w$ n# q" g; E30-710 Control (Appendix B)
; h% U+ j3 H. A, G5 V. M6 }: Z30-712 Branch Circuit Capacity
* o/ t$ D2 P+ Q3 y) B" tElectric-Discharge Lighting Systems Operating at More Than 1000V
3 h! f$ {9 A7 U* R/ T30-802 Voltages, Dwelling Units: f; I1 n- y1 g- G# @4 M! ?
30-804 control (Appendix B)# e3 H1 R+ f' i1 e/ c
Recessed Luminaires (Appendix G)' H1 n/ @! x4 v, Z
30-902 Spacings for Non-IC Type Luminaires
' j1 P' ~$ i% o5 ~4 J" {30-910 Wiring of Recessed Luminaires (Appendix B)( F+ I0 s3 d; P# N/ C7 V
Exposed Wiring for Permanent Outdoor Lighting$ J" N. V+ i9 a$ n8 Z8 s
30-1120 Branch Circuit Loading and Protection
) X7 R- t' A. m- Q* q+ GExtra-Low-Voltage Lighting Systems
6 I' `$ u( J5 R30-1202 Sources of Supply
& g( ], \2 m7 s3 g1 j8 X8 ]: m
/ L8 V+ g7 L8 {* dSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)7 O& i; W% s: Q7 I5 ^7 c2 p4 Z( O
Fire Alarm Systems# u6 N9 R$ r) e2 R: @
32-100 Conductors2 h8 [4 ] @' ]; B+ {% S1 Q. H
32-102 Wiring Method
6 l' b6 V5 H/ S9 Z32-104 Equipment Bonding
5 _: A/ u t$ M5 w& Z; K8 `1 _32-106 Electrical Supervision& l$ C) |3 f# Z. k; h5 _5 T
32-108 Current Supply
. ~9 w7 W: p: i' j32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)8 G( v& `( k4 b& Q# S
Fire Pumps
, q: Q6 P! `) r+ O e7 O32-208 Overcurrent Protection (Appendix B)
9 D+ v8 U( |/ d) B5 s$ dN 32-206
2 x" L: P, J' M1 [- @, M4 _32-210 Overload and Overheating Protection (Appendix B), ]% M; j8 s8 m4 `: V
32-212 Ground Fault Circuit Interrupter (Appendix B)- p2 H) m {/ {' [2 E o, W
: r& `/ ^' y( y0 pSection 36 High-Voltage Installations
7 T! ^& e" @8 @, }) r! |General6 W& s! C( m/ n8 u m% v. f
36-000 Scope (Appendix B)
+ B# m8 r% D( A/ T# s, X36-006 Warning Notices* L& I- J5 v. M/ p9 O4 ?
Wiring Methods$ r4 j2 o% k& {5 V# L
36-102 Radii of Bends
- G! C- w7 p% q3 s' e b' ?1 B9 c0 F36-104 Shielding of thermoset insulated conductors7 V+ E4 [4 s1 w5 K
36-108 Spacing of Exposed Conductors (1) table 30, table 318 V2 }1 d' r& y/ X1 k! h& }% L$ ]
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34+ u6 j. t, W/ P/ |' s g
Control and Protective Equipment( o, `5 I. u* r- D9 S# r
36-214 Disconnecting Means7 u8 `) |7 X p' k
Grounding and Bonding3 z1 w7 \; i: ?& ^, _0 m# |( ` M$ ^
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
4 K' ~) y s+ s8 ^. k* @36-302 Station Ground Electrode (Appendix B)
2 }3 U( X3 H: \2 @3 z9 m& a36-304 Station Ground Resistance (Appendix B)
6 `: m5 u% t) ^$ A' B9 J- n1 R& H36-308 Connections to the Station Ground Electrode (Appendix B)0 w0 h% D$ ]. i- P
36-310 Gang-Operated Switch Handle Grounds
+ t% q+ R0 {, C% k8 Q0 e( z' N% L. v36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
1 C+ T1 B: N: N" g: h7 K! R' W. r! b& D) @- Q
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
! |4 N8 |; S+ E9 g @38-002 Special Terminology (Appendix B)
, R7 ]3 Y" g6 r- f0 G2 y38-003 Voltage Limitations (Appendix B)& c' P0 g! [" K$ ]; O; y8 \0 B: G
38-004 Live Parts Enclosed. A0 N9 m' ]" ?, }- \6 Q
38-005 Working Clearances0 O' D: f. V0 ?1 B) A, P
38-011 Insulation and Types of Conductors9 X4 ?/ ]* t) {( C5 p) C
38-012 Minimum Size of Conductors- E3 }3 ]9 }) {) A: Q) Q
* [9 n! o# H4 CSection 40 Electric Cranes and Hoists# ?' w2 m+ I# T$ I# R; Z* T
40-008 Disconnecting Means
& P+ F8 z) H# R6 T- N40-010 Main Contact Conductors
6 f O9 [" e. u
* w/ ~# m: H8 V! V7 Y7 b, Y1 ?' MSection 42 Electric Welders( J; p) t/ `/ j/ B# o
Transformer Arc Welders
; D" K/ J, u: s2 @1 [$ J42-006 Supply Conductors
2 C* R: E9 k/ z ?" p3 N! E' |% B: H: f# Y
Section 44: Theatre Installations( V% t" I1 U- R$ ]( n: s
General
9 t" m* o+ p/ C6 B$ R# e44-104 Number of Conductors in Raceways
) | j8 s0 ]6 ^' P44-106 Aisle Lights in Moving Picture Theatres- U, O3 ?; s( x8 Y% N$ s
Fixed Stage Switchboards
% G) m2 g0 ^4 K5 r7 E: x9 |44-210 Overcurrent Protection
' l" j" Q% E( ^0 k/ D) W; sFixed Stage Equipment
1 T# F$ ?8 T+ a* B0 B5 [) m- A44-324 Receptacles in Gallery Pockets
2 m' |+ V1 h" c" ?9 X0 X% X/ g' e44-326 Receptacles and Plugs% ^$ \+ U9 I0 B2 k% ?% W% x
0 M! H* d, k1 oSection 46 Emergency Systems, Unit Equipment, and Exit Signs; r& o: ~' e! }2 `
General8 \) j+ b: n" {9 J8 z
46-102 Instructions
3 R3 E# l, B6 A0 s& [4 N p7 c# {46-108 Method of Wiring (Appendices B and G) \* O/ e& D& S& K
Emergency Systems
( z1 r. E; Y. @1 [3 x# x46-202 Supply (Appendix G)6 ?: l7 O6 C/ ?; U8 d A
46-204 Control/ H Q% i* |& D- y+ j5 _
46-206 Overcurrent Protection& b# t8 `6 w( N; z/ s
46-210 Remote Lamps
1 q% e% w5 w) \! W: u7 |8 t SUnit Equipment
; ^ g+ E- I( p" g46-304 Supply Connections; s q- j0 S4 o- \$ f
46-306 Remote Lamps (Appendix B). b0 h! W. W+ j5 Q$ c( v
Exit Signs
5 N' N6 @" G# B8 W8 P4 Q; N% w0 E46-400 Exit Signs (Appendix B and G)
+ J" q7 \/ G @$ Y9 m4 W R4 {* \/ a+ U$ |9 i
Section 54 Community Antenna Distribution and Radio and Television Installations6 K8 A. c* W9 c% W
54-000 Scope
2 ?1 v" s+ r4 a5 L% |; Z/ r' A. {& Q54-004 Community Antenna Distribution (Appendix B)8 A# [, S! B- w# D# i" m* B; ?
Community Antenna distribution
5 o7 G" _7 S+ T, P/ `: l/ b9 [. m3 ]54-100 Conductors9 u3 W, j* S; U
54-102 Voltage and Current Limitations (Appendix B)
4 G# J% C8 a+ A# \) L/ Q) jProtection: t) C1 `% u- Y" C/ q
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
* ?4 c9 x; N8 p- Q2 {2 R! V& A: TGrounding. P& D, m% z) [0 u# I2 \0 M
54-300 Grounding Conductor
! C5 ?. w' Y# k0 w' ^+ LConductors Within Buildings
/ l/ v$ N, Z* c7 {/ `54-400 Separation from Other Conductors* R6 u5 s+ u( S( b- C/ q
Equipment
% h" ]$ w$ p8 ^2 g54-500 Community Antenna Distribution Amplifiers and Other Power Sources
% t1 t) P9 {7 @: o54-502 Exposed Equipment and Terminations/ d* w8 M2 Y$ \; D
& H3 z) r9 t" @! ^Section 56 Optical Fiber Cables2 {# Y" h/ ]1 `, L) n4 }" F5 n
General, w! X) C4 P! l& p2 n
56-100 Special Terminology; s8 O' `) r) G/ ^ \
56-102 Types. y. `: Y1 s4 S
Installation Methods
" s1 G' W/ Q: i- T1 U56-200 Nonconductive Optical Fiber Cables (Appendix B)
" o1 A" k/ q- u56-202 Conductive Optical Fiber Cables (Appendix B)# L8 [, x) O7 z# W+ g
56-204 Hybrid Cables
. y- i) _- ^/ e: R/ @ [' W56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
+ w: n( Y/ ^- M! L* c7 O$ G
' d1 Q1 ]) |: ~; F/ ISection 60 Electrical Communication Systems
/ \8 r2 E+ U: oGeneral
7 M3 f0 { s4 T& P60-100 Special Terminology( q6 |# R0 _7 O. i& K- @0 c, @5 n
Protection F) F5 M; ^! }9 o' U5 I( H* X( k6 T
60-202 Primary Protector Requirements1 t8 m1 V1 M2 n. X* a
Inside Conductors
: |0 p3 E5 o m F+ o* b5 l60-308 Separation from Other Conductors8 u% S& Q* k3 p1 J6 b, x! L' F; f+ f
Equipment7 g, @5 ~: K8 ?% i+ U0 ~5 K9 c
60-404 Exposed Equipment and Terminations" Y2 B' x+ X3 j" \. D
Underground Circuits. G1 g( k! J4 O/ p$ p8 U
60-600 Direct Buried Systems
) C% K* A* D8 S, C) Z( e: J' I2 N' Z; v; p9 j' T0 d
Section 62 Fixed Electric Space and Surface Heating Systems
L0 t) J$ _& @- g$ ?General9 Q* F" J3 O* | g; P/ C; h5 c) v" C
62-102 Special Terminology
- G# w) W8 e7 @& U; `: n5 M! K62-108 Branch Circuits
% A' d0 z% M) S62-110 Installation of Fixtures; q1 q5 m, j& c
62-114 Overcurrent Protection and Grouping (Appendix B) (5)$ A3 |' T4 p2 @$ Z/ b
62-116 Demand Factors for Service Conductors and Feeders (2)
4 I- Q6 R7 j# ~! j) x, L0 F; g' a& s62-118 Temperature Control Devices ~5 V+ Y# B; ]6 T5 T, C6 b' Y: I) p: S% {
62-122 Installation of Series Heating Cable Sets (4)(7). X/ [9 T o: e/ _
Electric Space Heating Systems% I* [% L9 T0 _/ G% `
62-202 Temperature Control
1 l0 \/ C. C) D) X- j* j62-206 Proximity of Other Wiring (Appendix B)
0 i* D0 p9 T5 ^* Q8 @' K I/ L62-214 Installation of Heating Panels and Heating Panel Sets7 }$ y" G* E6 L& e c3 Y
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings- b9 {; B' P1 p, A% b$ B
62-226 Installation of Under-Floor Covering Heating Panel Sets4 `* ~ d- s' b
Electric Surface Heating Systems
+ x1 h- G3 |# z H! n62-306 Heating Cables and Heating Panels Installed Below the Heated Surface8 U, y, I$ N. U: Q" u
: m! E \ z! t+ i9 b w6 xSection 68 Pools, Tubs, and Spas
% a% \8 M4 W1 \9 k2 A: JGeneral
8 J. n9 W. i- t1 C! |; w68-050 Special Terminology: M: X8 C9 o+ \- b+ P. U
68-056 Underground Wiring - Table 611 E7 r- d. M, R- n7 n5 L; |. D5 [4 u
68-058 Bonding to Ground (Appendix B)
5 T5 c, V5 a- j68-060 Junction and Deck Boxes (Appendix B)
5 b9 K2 E3 r3 P3 o8 M, L# u: G68-064 Receptacles
% N; @ h; a4 C, d4 J- \68-066 Luminaires and Lighting Equipment5 E9 o' C+ U7 H) a" G% A; E( _
68-068 Ground Fault Circuit Interrupters (Appendix B). Y) S K- b" y
$ C% [4 d. m3 B2 FSection 70 — Electrical requirements for factory-built relocatable structures and
* `6 J+ K. q: h$ p! P# b, f% D- mnon-relocatable structures1 ]3 L' Z2 q# X2 B& ~) V
70-130 Tests (see Appendix B)
0 D: |3 q; G! C0 w+ d6 E; J- I$ h0 o" I: ^6 c+ ]5 |# j
Section 76 Temporary Wiring (Appendix G)" a& @+ {% F0 x* X) _
76-004 Grounding" l% p* d+ Z/ u$ w) m: }; f
76-008 Service Entrance Equipment
0 k- S+ \. ~: W7 S) J6 hN 76-006& ~# B# U8 j* S
76-014 Branch Circuits1 J& }" K( ?4 t
N 76-012
; q2 B8 @7 {* J$ ]* a7 y) \) O2 Z) y; f/ q
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
4 h+ k- l) ~ O& g5 R7 oMarinas and Yacht Clubs; J. d9 D$ `+ S4 q+ d# Y
78-052 Receptacles
: g" }$ P' s! y# a9 w78-056 Feeders and Services
# B6 I# H" A" zMarine Wharves, Structures, and Fishing Harbours. L5 y- e: x2 D
78-106 Grounding and Bonding6 B; z% R2 {! i7 s1 X! r
Tables
1 } c& f6 q% t+ S1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,658 S4 e4 r4 @. H/ V5 v9 e' H( W
1 H2 r* ]7 \9 u; O+ K
Diagrams: 1, 2, 7 f* W6 |7 a& x/ F# \
% B4 R7 Z0 J0 p; l' ^5 Z& z& D+ y
Appendix B
/ x( B: [1 x# ~P352: Ground fault circuit interrupter- 6mA
9 W4 `6 s8 u; d5 NP354: 2-126 FT1, FT41 t7 t/ R* E* l/ J4 ?
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
2 i, k) z! b, J" y6 SP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
, Y4 M6 S6 `2 ` o; OP370: 12-1012, 1118, 1214 Example:. p d5 O3 C8 J# M$ k. n
P371: 12-1108' j- \6 R; p$ D+ g; a; ?$ H
P381: 18-108(1)(b), 18-158(1)(b)
' I- x, F) K- pP386: 24-206
. G2 d) ~+ K8 P1 o2 `9 A1 I/ sP389: 26-256
! |6 c8 `6 P0 r% c9 Z4 cP391-P393: Section 28, Example to determine Motor Conductors and Protection
4 ~% y- e$ Z) {/ v
9 n5 M6 p, O6 M/ sAppendix D. R, d Y% U+ s+ s$ i- F2 W
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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