 鲜花( 0)  鸡蛋( 0)
|
Canadian Electrical Code Review Guide
6 V' i, g6 l) l+ z, LFor the Exam of Electrician For Red Seal License
# j: e" w) ?. A7 C5 H9 e
+ G9 M' f% [! _( G1 nLesson One
; i/ z. U% o% nSection 0 DEFINITIONS8 k6 L- L1 W) R; i! X, A) _
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:/ B( Y. t+ h4 Z3 F! N: M, o9 ]
Accessible as applied to wiring methods
* J* s* W6 w; V4 n/ `+ d" aAlive or live$ w; R0 A9 p" b' G
Aluminum-sheathed cable: G! F1 }; }+ [3 P
Ampacity
- M z1 i+ }' \, z8 kAuthorized person
" u5 e% m3 k+ ~' M% b! q+ R1 DAuxiliary gutter
q; F" r' @% vAWG
* X) V. Q! {1 eBonding0 U4 e0 X4 s/ _/ m, K. u/ [ W+ w+ u
Cable tray
" Z; ?; Q1 R ICellular floor& P0 f: s: D; \7 C3 ?8 t- T
Branch circuit
$ l8 @5 s: S/ f* s8 A" Z- |Bus
, C: Z7 }/ H, i- N5 R* WBusway
0 \; x0 j$ H" \0 F! tCommunication circuit
; ^2 Q" ?( B ]5 {! VExtra-low-voltage power circuit
5 N& e4 t: i: [, eLow-energy power circuit" Y, j: L' E: d: g7 V8 J
Multi-wire branch circuit6 [ w, X" X7 d
Remote control circuit
- }, \0 M# }2 t- \& J! ESignal circuit
! q9 k8 ?2 `* S8 G' j: jCircuit breaker/ v5 y Z$ s$ }. _9 J
Instantaneous-trip circuit breaker
0 z( m1 ?6 f' E# R6 s" ?Conductor
d" A. H/ T0 a) l3 pConduit
# U, ?3 I, R: t/ }, z/ B5 j9 K) @ Flexible metal conduit
5 I4 E1 v7 e+ }9 Q$ W3 E Liquid-tight flexible conduit
7 C- c" a3 \3 e7 W/ M/ O1 E2 V Rigid conduit' X0 c l$ z. }) g- M8 X
Rigid metal conduit
% ^' h6 n1 Z/ G2 O5 y Rigid nonmetallic conduit7 ?7 y9 F1 ?. D
Rigid PVC conduit; c; P: p. x! ~" l
Connector/ h6 Y- m7 [' O/ c
Box connector( |8 E; H8 i. ^+ D N& {( n& e
Wire connector3 F; F! x$ u X% @: k* \2 {
Controller6 R2 U* B/ K- ]" j8 _7 L
Disconnecting means' v- _2 V& z# ~7 M3 E
Dust-tight9 K% F+ s. ?' a; }1 V
Dwelling unit
1 g: ~( x. D( F% Z! h3 [Electrical contractor
% h! x0 u) B0 {9 }; pElectrical metallic tubing
* G- G3 A/ a! S( H }+ {7 tElectrical nonmetallic tubing
- `! W" _: M3 f8 TEmergency lighting; ]; Y! ~! T5 f- V2 k/ c
Explosion-proof1 w) X1 R7 a3 \0 e# D, D0 U
Extra-low-voltage power circuit2 k3 U: i5 I) B' @5 f. H
Feeder( P. n1 {/ {- \
Flexible metal conduit4 g+ j2 ?; W' x* {& h
Ground
3 V+ e" h2 j% UGround fault circuit interrupter
: @: t( W$ b3 ]* B6 B' eGrounded
! @" O- c( \& j% ~Grounding
# h. Y9 o$ W; f4 f {$ C/ l5 JGrounding conductor' E- [8 }+ H; n: S* C$ i
Grounding electrode' o; E3 K4 Q. o+ |2 h
Guarded
- u" j6 k! P6 t7 [3 g# G6 JHoistway7 c3 g0 D( }# {5 b- l0 p
Identified' l5 D4 f, G+ }6 r
Lampholder$ `, e2 c Y% [) R) D# ~! |: t( G
Low-voltage protection% S8 X, T4 S' R4 ~) ~7 R9 B: A
Low-voltage release
2 \0 Z, V1 Y( p$ h2 B2 wNeutral* h w# l% B) M# H6 m/ ^
Noncombustible construction5 L k6 z. T# e. p, g
Outlet: q& t- M, F' m: m
Outline lighting7 G7 Z) k7 Z; t: }; x9 F+ u' n
Over current device
5 v7 F7 m; \/ s4 a; i8 rOverload device5 @- Y# T! I/ x, c1 J7 N$ G
Panel board+ B% l; Z! ^- f* o! H4 X$ C! w
Panelboard, enclosed& Z& g2 z3 i% I' \" ?" s
Permanently connected equipment
/ y: s2 N' t6 w$ c3 xPermit5 P! B0 N5 D5 G4 h) K3 J7 ]) r+ \
Plenum+ \" H \, ~% q, a
Portable as applied to electrical equipment% y! |0 ?* x' s* |9 s0 o8 b0 u
Portable ground fault circuit interrupter. b5 q O7 _9 f) c
Power supply cord1 v6 W' E* u; s" i. k$ \
Raceway
. k) o& M+ L9 Q/ [0 R9 [Receptacle3 k( L7 V1 b8 l, i( B9 {7 D4 J
Duplex receptacle: s7 @" W. [8 X! f/ B5 |$ n
Single receptacle
' g' o5 j% u- R, ]) V" T Split receptacle
& s7 Q1 w$ y2 N: XService, consumer‘s
8 t5 }2 @* O9 k! ?$ ?Service, supply
5 {" x( b+ ]$ f! g" U J' jService box
- |- M; b! V+ `# I7 d" m5 J" MService room# Z8 x4 E: z& V2 c
Single-dwelling/ y! U) p- |/ O' ?
Slow-burning as applied to conductor insulation
" Y! G% {# c9 g. ]) JSplitter6 S8 r) s% e( \2 D# \
Starter, R% C* U4 u/ _/ X D: B! X
Switch3 H6 m% ]( R: h. L" L
General-use switch; B: i) B9 d) W% I6 e
Indicating switch
; E6 F' m; K6 ]4 ~3 N$ M2 { Isolating switch
, O; J7 V, G8 I* H8 ~ Motor-circuit switch
* n; ]2 ^; y Z! D6 Q/ GSystem
; P. ~& W2 c2 \6 S Communication system
. @ N6 B0 E9 b( l Community antenna distribution system(CATV)
8 n) L9 I8 l" Z- ^8 T: Z) V- { Grounding system
& s0 O7 E6 U! @9 u' ^Underfloor raceway
3 g# c9 c( e7 e8 g: B6 A9 ~% q! D6 JVoltage:6 F2 d, a. z) L$ j% m: L
Extra-low voltage
" {7 w) v+ i2 ^! k, B, { High voltage$ F& S. w" \7 [; n4 Q
Low voltage
/ `- x% g6 B& a6 h5 PVoltage of a circuit
- W2 G& f* Z' NVoltage-to-ground4 p0 }2 ]/ S3 c0 `1 n2 @
Wireway
7 Q- Q6 k8 o: Y7 X2 I! [. |% D |$ S/ p" N6 T# o# k, j/ [
Section 2 GENERAL RULES
% N7 I) O/ r9 H3 X( g& aAdministrative+ m1 h2 k# S& S
2-018 Reconnection
9 J0 m0 e6 Q Z) W G7 H( w; k. k2-030 Deviation or Postponement
, m0 P: u+ m1 |+ G$ JTechnical General, ?1 ]4 X: b- d5 ^4 f/ E6 C
2-106 Circuit Voltage-to-Ground – Dwelling units
7 S2 n$ c% R: k. E# y; z2 M2-114 Soldering Fluxes( D' r2 H0 v& L
2-116 AWG Sizes of conductors
: F) [5 D& u% C( ]2-124 Fire spread (see Appendices B and G)
* c9 N6 s$ p5 k3 M6 c5 H' @2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)+ @5 C# E3 q$ Z# O; n: I( o
Protection of Persons and Property' a% n1 e. B' l
2-202 Guarding of Bare Live Parts
& t- I! X) b. {Maintenance and Operation
4 E' N# b* S, H" Y9 z# z" X2-304 Disconnection
9 [1 @- f+ y& d1 ^& }1 L V6 B2-306 Maintenance of Live Equipment
2 n# Y0 B. g0 H' _6 w( Z( x6 `3 H! ON 2-306 Shock and flash protection (see Appendix B)8 s" C; R* g2 n+ v9 k0 o9 o, T+ z0 J9 X
2-308 Working Space About Electrical Equipment: Table-56
: f! \4 v5 A+ f+ _, ]6 c$ c2-310 Entrance to, and Exit from, Working Space
9 f0 \6 n- k9 ^ R: i2 |& m2-320 Drainage
: L, W+ N) R/ C2 k1 o( L2-322 Electrical Equipment near combustible Gas Meters and other Devices. b5 t; Z" K7 H. d: ?4 x1 T
Enclosures) y0 h) E0 L. d1 W" p u
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
; |5 j4 r, a9 V: [$ M7 q2-404 Marking of Motors: DP, WP, TE Y! U( E1 A/ Z0 S
0 Q, T' N; m6 N' g# N4 [
Section 4 Conductors
x0 f% J; i& ]' W4-000 Scope$ ^0 P! h% E) J3 f
4-002 Size of Conductors: 14#, 12#
% ^, j% k3 p" ~5 ^" J5 F4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36( `/ m) h5 Y# V/ i: _/ \; r [) H# ?
4-006 Insulated Conductors: Table 194 e; E) ]8 S0 Q) {! a/ X( F
4-010 Uses of Flexible Cord: Table 110 d" Z, t5 p) w. R
4-012 Sizes of Flexible Cord
$ Y' n' h) \, D: J3 n2 [: s6 i4-014 Ampacity of Flexible Cords: Table 12; p% R, `8 F4 s! h" M" U+ Z9 z
4-018 Equipment Wire
) n+ Z ^: Q* H8 J7 q4-020 Insulation of Neutral Conductors
! b5 m- R2 v+ z* S2 ]5 o4-022 Size of Neutral conductor
" N( N" r& b8 E+ G4-024 Common Neutral Conductor; W) t$ G0 Y- d' ]3 Y. a8 r
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum( j- T* K. M, y! e2 J
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
. |+ V g$ u. [. W% Y7 o1 O2 K/ B4-032 Identification of Type MI Neutral Conductors
) f+ L: R# k( J4-034 Use of Identified Conductors4 {+ k* A8 r2 n* [
4-036 Colour of Conductors: Phase A, B, C, …
$ F D# K. ^& e) v0 a$ k; T5 j, f# A0 C4 X D
Section 6 Services and Service Equipment
2 @" c& f$ y7 \" W$ W5 ^General
3 {8 e; n; |! }7 l* q1 R& f/ U j' ]6-102 Number of Supply Services Permitted1 e" J8 d* }) y; ~+ s. E* H% X
6-104 Number of Consumer’s Services Permitted in or on a Building
# g6 n9 D1 }: { U1 l" j* @0 x5 e6-108 Supply Service from an Electric Railway System2 n$ z d: p0 G0 X
6-110 Three-wire Consumer’s Services
; F# K4 h8 Y3 q0 z$ C e, a* y6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors# _0 z! Q' H A t8 Z
6-114 Methods of terminating conductors at consumer’s service
4 J: B/ Q3 Q8 T6-116 Consumer’s Service Head Location
# U# y$ y% \1 d1 v6 {) dControl and Protective Equipment
) s& _2 Y! P' `* G6 ]% q. y; V5 n6-200 Service Equipment/ ]! [7 a2 D) e, s6 d
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)) a! U7 z' h) s$ U8 E! J
6-208 Consumer’s Service Conductors Location
* ~8 v* z1 G& p1 I6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
o! O8 U/ e9 u# }$ _6-212 Wiring Space in Enclosures1 B. R/ \7 P5 z& ?0 \# {! U+ R! B- d
6-214 Marking of Service Boxes
G. A5 V& j. k5 N- W* xWiring Methods4 D& D+ J* ], D. t7 D
6-300 Underground Consumer’s Services7 e5 s' ?2 T% c4 v
6-302 Overhead Consumer’s Service Conductors& r& J) W6 T/ L+ s
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable( g: T/ s% q- k9 M% w
6-306 Consumer’s Service Raceways* K+ }* X% m. s! Z2 q3 S# |5 Z1 @
6-308 Use of Bare Neutral in Consumer’s Service
6 ]& R) T9 ]" _1 E. g6 `+ _6-310 Use of Joints in Consumer’s Service Neutral Conductors
/ r/ k( ]0 o7 a% `) w4 J1 _) z6-312 Condensation in Consumer’s Service Raceway4 z# x" `/ e' f7 Z0 [% g
Metering Equipment7 ]' {4 B9 T( F% {6 N
6-400 Metering Equipment" P6 h7 E, a9 n0 v2 b
6-402 Method of Installing Meter Loops9 s3 n! V# A$ ~7 n, n# B
6-404 Enclosures for Instrument Transformers7 m% H! R# \9 X4 r) o# N7 U, a7 I9 M! L
6-408 Location of Meters3 K8 V: R! E" w% A% v
( H [5 a" m- hSection 8 Circuit Loading and Demand Factors* h# I! k S1 S! R) _( B1 T
General7 U% E9 Y1 [# M3 H: |, ?+ A
8-100 Current Calculations
" ]- j B" O% Y1 `8-102 Voltage Drop ( see Appendix D)
4 Q: U* R: H' u- { \' W8-104 Maximum Circuit Loading8 M- z; X u; P, D! m
8-108 Number of Branch Circuit Positions
. ^/ L1 X' \) `) t8-110 Determination of Areas3 {3 I" A. E3 b3 z7 {# j9 V% u
Services and Feeders
, _1 K1 T7 ^, Y0 } P7 w8-200 Single Dwellings (see Appendix B)- E: ~4 D! ^' K3 J1 X
8-202 Apartment and Similar Buildings
4 c5 h: G5 n* }3 f, O8 |8-204 Schools+ b. O) v9 p: u, L
8-206 Hospitals- H; ? t2 K, J! {/ Z; p! M: I
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy( F- W% J+ L) K
8-210 Other Types of Occupancy (Table 14)( z: f$ r K3 `; G* Z
8-212 Special Lighting Circuits
1 Z4 a2 J: }4 c: D* VBranch Circuits
$ w# s# z2 O7 y8-300 Branch Circuits Supplying Electric Ranges
5 m. E# q! m: y/ C" n2 w: e8-302 Connected Loads7 ~4 F1 S. J# P. A! O* ?+ `# i
! H3 {8 p! u7 K! \, cSection 10 Grounding and Bonding# M U) N2 x& P, ?4 Y
Scope and Object; M E3 P5 `7 J; N/ A
10-002 Object' z, y5 y: G2 O3 b5 T
System and Circuit Grounding
# O+ U' @0 M1 h10-102 Two-Wire Direct-Current Systems
" Q/ h9 f( ]2 M6 Y% l* {10-104 Three-Wire Direct-Current Systems
( J+ O9 R! r3 `+ a10-106 Alternating-Current Systems
9 C0 l; Q s5 B10-110 Electric Crane Circuits7 M v" m$ r; W9 l4 I
10-114 Circuits of Less Than 50 V/ r7 F6 G% \* R
10-116 Instrument Transformer Circuits
; _; H; ?& Q) l. o2 ?; a$ vGrounding Connections for Systems and Circuits/ H/ p9 | C7 n' Z% S+ U, A/ V* a
10-200 Current Over Grounding and Bonding Conductors
) A( l* a* A9 n9 K# v& `8 m10-204 Grounding Connections for Alternating-Current Systems
4 n( Q2 J$ n" |+ S10-206 Grounding Connections for Isolated Systems
, t1 x& X/ O" i+ y" ~6 D4 f. @5 k0 b10-210 Conductor to be Grounded
$ z6 b' q3 Z# w% _. e4 S- A, X$ }2 NConductor Enclosure Bonding
$ f% J( t- Y6 i0 D10-302 Other Conductor Enclosures
( o2 ^6 l2 K2 i, j" jN 10-304" U' G: @% ^8 z. v/ h3 S
Equipment Bonding
" K5 x7 r+ w% w! R4 k" D$ f10-400 Fixed Equipment, General
0 q8 _' X7 C5 g8 r: c, c. |10-402 Fixed Equipment, Specific (3), (4)1 v" ?# c* x$ Q5 \/ p& M3 [
10-404 In Nonmetallic Wiring Systems
# p# F% N5 C& ]* e& |; Z10-406 Non-electrical Equipment/ I* ?: \9 W9 B+ x& B
10-408 Portable Equipment (4)(b)
& U) t" p. X( a2 m0 Y# j* {. h10-410 Instrument Transformer Cases
( y) q- y \3 r10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
% g: F, Y7 \( x5 l10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
# U( a( l3 d2 X) g& [" @, H7 GMethods of Grounding4 d* Z+ e' ^- s! s; {1 S
10-500 Effective grounding (see Appendix B)
9 @$ K# p1 U/ n! F) s4 T10-502 Common grounding conductors( J7 T4 F: G. q, \ H0 m
10-504 Common grounding electrodes
* B6 S; L& A5 ^3 Z& E8 \2 ]/ F; ZBonding Methods
Q6 w$ ~6 \4 n2 g/ ~5 @10-600 Clean Surfaces0 Q' n" D8 l3 x+ P. ~' S
10-604 Bonding at Service Equipment) m% K" r0 M3 W- }: I7 t
10-606 Means of Assuring Continuity at Service Equipment
- }, z) Y( f# s3 s7 [" @& G0 ]* e10-610 Bonding at Other Than Service Equipment) B2 H- b: q$ k3 f2 V+ B9 ]
10-612 Loosely Jointed Metal Raceways
) Q2 u8 ]5 V$ J$ \10-614 Bonding Jumpers Table 41/ h+ T9 Q" K/ K% G& Y
Grounding Electrodes
2 l4 @% Z" X% W9 u10-700 Grounding Electrodes
# H, p9 e9 @3 O# l) {4 g/ `10-702 Artificial Grounding Electrodes
9 l& v5 v# D3 C( b3 B" LN 10-700 & 10-7026 V. M8 Q2 w, c* j: b2 L
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
7 b j# H# z4 VN 10-7023 a/ _) t) I2 A) V) W+ K
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
% x( j$ g1 j/ @4 V5 `N 10-702
9 g1 ]( u3 ^) Q6 i$ s10-710 Use of Lightning Rods (Appendices B and G)/ P" u' ?4 n* X+ L4 `
N 10-706
$ ~- i3 g _, HGrounding and Bonding Conductors
. r- S# a0 T! f& [: X% n10-800 Continuity of Grounding and Bonding Conductors
7 j4 K" f M$ f10-802 Material for System Grounding Conductors
) L5 C* u3 T7 f# H# v2 ]10-804 Material for Bonding Conductors7 {2 c( `, z; A4 q6 ^2 t
10-806 Installation of System Grounding Conductors% ], c- ^. f5 q9 m+ R l: t
10-808 Installation of Equipment Bonding Conductors0 C: c& L4 g/ f5 s+ Q7 D1 }
10-810 Grounding Conductor Size for DC Circuits
6 B/ `+ m6 T# A* T4 h$ I10-812 Grounding Conductor Size for AC Systems (see Appendix B)% l4 g4 d$ l# O5 l5 d$ W# L
10-814 Bonding Conductor Size (Appendix B)8 g+ G8 t* X3 w/ u* }6 g" q
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
( U7 H$ q9 ^$ F" r4 h10-818 Bonding Conductor for Outline Lighting- m5 Y3 Q w0 c) Q2 ^
10-820 Bonding Conductor Size for Instrument Transformers
# G$ ?+ P1 O9 X1 a% X& p* AGrounding and Bonding Conductor Connections0 { h! s6 F; U3 E) q
10-902 Grounding Conduct Connection to Water Pipe Electrodes2 y' W1 _" [/ e$ H. O( J
10-906 Bonding conductor connection to circuits and equipment
/ I% h# i3 u: h( \. ?& t2 Y% H8 e: N10-908 Grounding Conductor Connection to Electrodes1 C3 v" w) U/ e& e
Lightning Arresters2 t0 {: z* N' T
10-1000 Lightning Arresters on Secondary Services – 750V or Less
/ p! ~6 q c; r8 S0 S4 ?+ @' K: q+ l, N9 c! p5 u# o% U
Section 12 – Wiring Methods
) ^1 | N; j; s% V$ m8 DScope
- y* G: A+ E ?& H' C12-000 Scope (Appendix B)6 M! ~6 a; R0 w8 ?
General Requirement
- J" l7 }7 ?2 R0 H7 @0 n12-010 Wiring in Ducts and Plenum Chambers6 M6 v( S: t3 d
12-012 Underground Installations (Appendix B)
* t* ?% \; r5 M; ?) c0 [8 t& q+ m12-016 Lightning Rod Conductors0 j1 D9 o9 r' f, t: A
Conductors - General
# ?' @; C2 N3 E8 M2 y. g, F12-100 Types of Conductors (Appendix B) Table 19
- D' k& t5 J+ F2 @ m12-102 Thermoplastic-Insulated Conductors
. C% v Z" d' i5 n( b7 I4 G t. e; A12-104 Flame Tested Coverings8 k* f8 _- N$ {. p
12-106 Multi- and Single- Conductor Cables
5 j0 P! Z7 r' \) z2 W* |* `; q4 p12-108 Conductors in Parallel (Appendix B)( q# e- w! V6 F" a" n9 F' {0 [8 \
12-112 Conductor Joints and Splices0 ` U3 g; k0 s' @4 G R$ m; j
12-114 Ends of insulated conductors, p. i7 @; j/ Y7 B5 `* P h- |
12-116 Termination of Conductors (Appendix B): Y3 o, m5 d. x1 l+ H5 n5 v% H, _+ D
12-118 Termination and Splicing of Aluminum Conductors
5 G! I3 K# l7 l- R: r12-120 Supporting of Conductors - Table 217 O9 s7 E7 R7 J% T- @. n8 Q! f! e- O. @
Open Wiring
3 m5 ^" q' j- e; w8 B12-204 Spacing of Conductors) Y% a) [" b i* X
12-206 Conductor Supports
! k: M. X3 H! B. e$ _12-208 Conductors on Flat Surfaces+ {* V/ C9 B3 i% n# O$ Y
12-212 Protection from Mechanical Injury! r3 T6 I6 c/ o
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
) V; b; p8 L' z1 C9 y: d: p2 r. m12-308 Minimum Size of Overhead Conductors
( Y* W+ e) t9 d12-318 Use of Neutral Supported Cables
$ N( d# E* f9 }. g3 w. GNonmetallic Sheathed Cable1 V M* r; t8 a. ?7 j7 g
12-502 Maximum Voltage* R ]$ N- i7 s, w
12-510 Running of cable between Boxes and Fittings (Appendix G)/ }$ n! o; b3 t2 s& E; Z" M
12-514 Protection on joists and rafters
- B( m$ I; Y! H: M12-516 Protection for Cable in Concealed Installations (Appendix G)
& f" G8 i* i. x2 n; `12-522 Where Outlet Boxes Are Not Required. f! ~% u5 s' U" ?
Armoured Cable
1 q, H# o( U0 d. ~3 {7 r& w12-602 Use (Appendix B)% T8 M6 Y9 I$ Z# F, x, S7 G# M, W
12-604 Protection for Armoured Cables in Lanes* T- Q8 L( S+ x
12-606 Use of Thermoplastic Covered Armoured Cable
$ V1 P5 ~. |; o& Y8 I9 i& r( k7 L) K12-608 Continuity of Armoured Cable7 F# D. H; _( e
12-610 Terminating Armoured Cable
' O6 n. j6 P; k! l5 ?$ `12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems% a/ Z6 ]( g6 z* l
12-614 Radii of Bends in Armoured Cables& A/ ^1 c4 b# p1 B: {; M
12-616 Concealed Armoured Cable Installation
! S' \/ t% b' Y: D* t9 d12-618 Running of Cable between Boxes, Etc, B" E2 d7 d" \3 ~* C
Mineral-Insulated and Aluminum-Sheathed Cable$ G0 O4 B& e# h( M+ \! y
12-702 Use6 y) ~: [* X2 E2 ^0 Z
12-704 Use When Embedded
" d0 B. a, `' h; i3 ]12-706 Method of Supporting
/ n; h, i+ x! v" s# W12-708 Direct Earth Burial; M( p1 h# q! e* U) M
12-710 Mechanical Protection7 }: o- d+ T, t* N/ O3 [ F( C
12-712 Radii of Bends- Z% B3 v; h, y4 U
12-714 Termination of Mineral-Insulated Cable (Appendix B)
- h; e. S. q y* c) h" n12-716 Connection to Other Forms of Wiring
8 ?8 X, [. u" \7 V4 A' S7 mFlat Conductor Cable Type FCC7 f9 Q% O) j" c4 E" k% }
12-804 Use Permitted
; V5 j, Z' [" D6 f12-806 Use Prohibited: K: A* m5 _' x0 s
12-818 Anchoring9 f/ V8 Y$ W- v
12-820 Crossings
0 n$ @: \9 F/ L8 g5 xRaceways - General! R! e1 Y: u" r* j7 T8 S
12-904 Conductors in Raceways( ^; t+ W) d, j: w& k
12-906 Protection of Conductors at Ends of Raceways: _' u! z7 _ s* T w; m
12-908 Inserting Conductors in Raceways; G, X, ~3 u0 {4 x$ N
12-910 Joints or Splices Within Raceways
" S1 P C0 p5 ~3 ?/ O12-912 Stranding of Conductors) W8 u* V- n9 G- h
12-914 Electrical Continuity of Raceways5 J3 D2 E- y+ T% Y
12-922 Radii of Bends in Raceways
" s! k$ ]' @; i8 X ^7 d2 PN 12-922 Radii of Bends in Raceways Table 7
# ~, g* W4 ^" P: q12-932 Protection for Raceways in Lanes
/ t2 C1 ?/ F6 W; J12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
" Q' L" R3 f- F6 }$ K& T12-938 Capping of Unused Raceways5 ^0 S7 N5 [: I& R
12-940 Maximum Number of Bends in Raceways
6 r) k8 g: P& c$ ^6 n" o8 {+ rRigid and Flexible Metal Conduit0 e- Q0 t- z4 B7 \
12-1002 Use
/ @. Z: d; W. |6 G12-1004 Minimum Size of Conduits/ C' `! n. w; \% z n3 u9 x
12-1006 Conduit Threads (Appendix B)3 L% ]$ F% a) ]6 v8 Q( \
12-1008 Thread Engagement" n' |& h$ f# w' P
12-1010 Maximum Spacing of Conduit Supports
p, M1 b: m+ Z% Z+ A12-1012 Expansion and Contraction of Conduits (Appendix B)2 j" u( l* ^6 E3 \; v* f1 D
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 # U0 a6 D" I5 U8 `- S* Y$ w# H
Rigid PVC Conduit and Rigid HFT Conduit1 j2 `2 l. S% @; d0 M
12-1100 Use' Y- R; d* y& y
12-1102 Restrictions on Use* d1 T; `- |( ]% B
12-1104 Temperature Limitations (Appendix B)
. k, o2 J6 {( W* m$ x1 J12-1108 Field Bends (Appendix B), (2)
% ]# o8 w4 {3 R" u, T% \, I12-1110 Support of Luminaires
$ F, a! O" o' k8 Y$ x7 v* B12-1112 Fittings
# u2 I2 \* @8 G) H2 m8 a12-1114 Maximum Spacing of Conduit Supports
5 ]' F; C# R: [# c) v12-1116 Support of Equipment7 U" N" ?3 w: `& u; e# e
12-1118 Expansion Joints (Appendix B example)
! D, ^$ _ j( |: `Rigid RTRC Conduit
0 l! s: _4 i, `5 a8 s. H12-1210 Temperature Limitations0 N! W+ G. [' |+ s5 v9 N6 G
12-1214 Expansion Joints (Appendix B)
' u+ R- `; P2 X# ~Liquid-Tight Flexible Conduit
: ?* N T5 W+ u. N12-1302 Use of Liquid-Tight Flexible Conduit. l" X+ B6 g* ]0 @
12-1304 Maximum Number of Conductors) c* t! E- z8 o8 |$ p" ?
12-1306 Provisions for Bonding. a* v+ e7 R4 \) T4 V9 q" G! l
Electrical Metallic Tubing/ @0 W; F, b7 A0 `4 J% p& F1 r
12-1402 Use
5 C1 Y' m/ Z6 Y! K+ @8 E12-1404 Supports, Y* s- Y! ?4 g1 w. {
12-1406 Minimum Tubing Size K8 G, ^( S$ J" B; S
12-1408 Maximum Number of Conductors
: x t X% z* u# q; v; u+ F$ U, T12-1410 Connections and Couplings
+ D8 {; v( `: h7 q5 A12-1412 Radii of Bends in Tubing+ `; X& C6 |5 a2 [( X
N Table 74 r1 r# ^5 }/ k c* s& H
Electrical Nonmetallic Tubing) N; A- C* K. ^5 f( V8 ^! X
12-1516 Provision for Bonding Continuity# [! g2 u3 ]! ]0 [7 d* ^% E
N 12-1514) {2 ^7 `: A* X
Surface Raceways
4 @" {. N7 R3 ~7 p# S" k12-1602 Use of Surface Raceway (Appendix B)
+ }% q: p# H5 H* j4 V- e2 I12-1604 Temperature Limitations1 z4 d3 `* I) o" T
12-1606 Conductors in Surface Raceways (Appendix B)
5 x7 o6 H L4 A y7 _/ D( V12-1608 Maximum Voltage! s0 u0 [" s1 M2 O$ a5 r
12-1610 Joints and splices ( h3 z9 u+ t- b4 \9 b3 ~! E
Underfloor Raceways
& }' D% E7 n7 {+ p( d8 Z6 z/ e! U12-1712 Discontinued Outlets in Underfloor Raceways
( L1 P9 j! M& ~- CCellular Floors
/ G8 h3 J8 B$ ~! m, _! f) R12-1804 Maximum Conductor Size in Cellular Floor
# s; t7 v" L) M/ J' g12-1820 Cellular floor discontinued outlets) \" S) q0 T* y- D
Auxiliary Gutters
# U$ C; Z7 q L% ?" h; c: F: Z12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
6 L# a" \7 |$ j+ S12-1902 Auxiliary Gutter Supports
! m/ k$ V: |' \: ^' I$ x2 h12-1904 Auxiliary Gutter Cross-Sectional Area
$ d- M# v5 E* B6 y% ?* u5 NBusways and Splitters V* |8 C- d) o# p1 {& _ G
12-2004 AC Circuits in Busways and Splitters
% {7 s' H$ G% n12-2006 Busway and Splitter Supports- O4 y( u+ u( y; x
12-2008 Method of Installation of Busways( ?* E6 c# F0 D1 x9 u
12-2012 Reduction in Size of Busways
& o' t+ I* B: a/ L0 S, }* \- p12-2014 Length of Busways Used as Branch Circuits
, p# j; `9 P4 V! I' W9 u12-2018 Taps in Splitters
2 Y0 V6 @; o; L7 o' BWireways: T" k1 Y) |2 P2 h S9 e
12-2104 Conductors in Wireways W E0 |* j! A1 S9 E8 R+ A
12-2106 Taps and Splices in Wireways
! I: E; q3 H: }; e/ ~/ h' y# R Cable Trays/ @, }9 D9 b* M5 ?
12-2200 Method of Installation (Appendix B)" f; L' r. D$ A8 ?9 [1 K
12-2204 Joints and Splices Within Cable Trays
E7 \7 C5 `0 B3 x6 _) t0 S+ i12-2208 Provisions for Bonding
* ~% y/ h3 A% q! I2 I* Q12-2210 Ampacities of Conductors in Cable Trays
# F g# F m- x* cInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings% R5 q. [, f0 s, Q; s
12-3000 Maximum Number of Outlets Per Circuit/ t& ~" x& Q: x+ c
N 8-304
7 z% L# S N+ ]12-3002 Outlet Boxes (Appendix B)
; ]' S. }( n( d) KN 12-3000
, @( T. d9 y* r( Y$ I5 J" P12-3004 Outlet Box Covers
9 y9 ?! D5 c E2 S8 A7 GN 12-30022 H H' s+ s# O: }# m0 S4 K
12-3010 Boxes in Concrete Construction
4 ~1 ]+ Q: w4 o( z i3 xN 12-3008
7 b4 h' v2 }6 A/ e- X12-3012 Outlet Box Supports/ c; A! X& C6 X8 Z: X o3 R
N 12-3010+ ^0 U" A/ w/ Y6 T" }
12-3016 Accessibility of Junction Boxes
% B1 A5 a* z0 U9 z" w" nN 12-3014
- i* }( `3 b) G; V0 x. }7 u; N12-3018 Flush Boxes, cabinets, and Fittings
8 L9 ~/ _% R- `7 I c' |5 s& ?N 12-3016
; N# Y) a& X- i6 K12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) " i& X6 `8 U( i( W& K( B$ n
N 12-3022
5 ], g8 j4 i0 J12-3036 Maximum Number of conductors in a Box - Table 233 d' p. j7 E! ?" { y
N 12-3034
2 G2 k- Q) G& p( W1 x1 w5 i3 W12-3038 Pull Box or Junction box Sizes
9 Y7 x$ [" X1 i$ \1 @8 _N 12-3036# m( G2 z$ N$ j }) w
1 Q3 e8 B. ~$ _' t. Y8 k
Section 14 Protection and Control
1 S: Z2 ~* ^" R6 ~General Requirement, A" P3 t7 h5 [2 v
14-010 Protective and Control Devices Required8 t% T2 W1 b: s6 c$ S/ q+ t
14-016 Connection of Devices
( f+ l& [+ M* G Protective Devices – General
& q6 x1 g, N' o6 A! g6 Y 14-100 Overcurrent Devices Required8 i+ ~5 m( Y5 @* e* u+ O7 v4 Q8 S0 W
14-102 Ground Fault Protection (Appendix B)
8 y* ]! [' k6 @14-104 Rating of Overcurrent Devices (Appendix B) Table 13( b* h& @5 J; E) L+ }
14-112 Overcurrent Devices in Parallel
& q$ Y/ Z) ^& s) H; aFuses
: t8 O7 d0 s4 g2 x7 Q/ b$ u14-200 Time-Delay and Low-Melting Point Fuses1 w6 `. L$ _" L& g6 x% X4 n
14-202 Use of Plug Fuses
- m r4 O8 h& q% A6 b0 H14-208 Rating of Fuses; a& V( v' V4 a' d& m0 g- a" D" P
14-212 Use of Fuses (Appendix B): x( k; ]6 r2 {) S5 H
Circuit Breakers
5 w! ?7 A0 A4 ?/ t. u# S14-300 Circuit Breakers, General
4 a, j9 F4 |- b8 l3 U/ V4 v14-306 Tripping Elements for Circuit Breakers6 V9 s6 I- b2 ]4 v5 m% ]
14-308 Battery Control Power for Circuit Breakers
( i' U, N9 j) }1 T- mControl Devices - General
+ [. W: ~7 ]6 N+ v14-402 Disconnecting Means Required for Fused Circuits# P! ]) j f0 d0 |
Control Devices - Switches
) ~1 u# H5 U2 y O14-502 Mounting of knife Switches
$ C5 y6 z# b8 i% [- k) v3 _. I14-504 Maximum Rating of Switches p% r. F4 Q+ u( t# \0 S0 A
14-508 Rating of General-Use AC/DC Switches (Appendix B)
, ~: V7 H! R2 E9 @; \ K14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
% N* S" D5 H, v- e# B& l, w6 O) A; t4 ~Solid State Devices* u. }2 O; f ?) [& i% V6 o
14-700 Restriction of Use
) L4 g% _2 o, P& C3 t6 ?14-702 Disconnecting Means Required& N% ?" i& _; E8 v
. p0 F9 ]( b4 s+ u$ |: MSection 16 Class 1 and Class 2 Circuits
, ~; B$ c+ g' ~7 |9 u; v& ^( VGeneral
7 O% t3 m! F( q* u16-004 Class 1 Extra-Low-Voltage Power Circuits+ Z9 c, E/ Z1 g; \; T6 H2 {0 q
16-006 Class 2 Low-Energy Power Circuits$ Z) |+ ^2 x3 }( x. H3 u4 u
16-012 Circuits in Communication Cables
* P2 n7 S) k1 JClass 1 Circuits; P. u. a& E$ C
16-100 Limitation of Class 1 Circuits
+ B5 f; D0 v* J' n16-104 Overcurrent Protection of Class 1 Circuits
9 ]( D; @0 H% d7 g16-106 Location of Overcurrent Devices in Class 1 Circuits
}/ f! I7 A- l5 O7 S: Z% {16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
4 _4 B# Q- n5 s: m7 C16-110 Conductor Material and Sizes
+ f( |4 V0 t7 {7 N16-112 Insulated Conductors for Class 1 Wiring
% m) Y0 P2 }% M% z# l! jClass 2 Circuits4 p% m2 Y1 p" \. E1 P3 Y3 z
16-200 Limitations of Class 2 Circuits (Appendix B)0 y# [/ K: E" G. D2 ?
16-204 Marking
3 c0 x9 ]! v% d, l0 B# l+ }0 ^16-206 Overcurrent Protection for Class 2 Circuits% A$ f* L8 i' W: M1 }5 u0 y' s
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
& x% t; ]/ A5 a5 lELC: extra-low-voltage cable
% U9 V% V* E6 S5 R. ]: _16-212 Separation of Class 2 Circuit Conductors from Other Circuits+ A" H/ Q* M" i: V* U5 M: I
) R5 p) A( T6 G5 A/ \# I( m
Section 18 Hazardous Locations7 i9 @3 I2 y: X; l$ |
Scope and Introduction
2 Z( `, Q2 j: N5 V1 U( H4 \18-004 Classification
; S! ?$ x& T. B, f+ b# v5 N' ~+ z18-006 Division of Class I Locations (Appendices B and J)
' ~9 x( [' U# L( c9 @- V5 i2 w( J18-008 Division of Class II Locations (Appendix B)
" a) ?8 F# _+ R# n- `. B% ?18-010 Division of Class III Locations (Appendix B)
" v, V: T: I% R' y& U( M4 dGeneral7 U) k& W9 V7 M( P, G8 G6 l- G
18-062 Metal-Covered Cable (Appendix B), |4 L+ s% u* i2 c ~
Installations in Class 1, Zone 1 Location
- @3 z7 \( Q: W0 |* A5 M8 A18-108 Sealing, Class I, Zone I (Appendix B)8 k' x8 A' ^. o9 s1 q( e' t( C
5 Q5 x; B1 ?: ?* `3 }
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars( N* X( Y6 L6 ?
Gasoline Dispensing and Service Stations) X: K: r% `7 U
20-002 General
$ ~# k/ a) ] Q. q6 C- \5 p: I20-004 Hazardous Area (Appendix B)
# N' f' A4 o5 T5 LPropane Dispensing, Container Filling, and Storage
/ ]: y" [: z. p6 V6 |% C$ ]3 ~" }, V20-034 Hazardous Areas - Table 63
1 n) u; }+ L- j) hCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities; x: [" ^4 N3 d1 S9 p% V2 g
20-062 Hazardous Areas; {/ @; a: r/ ^& x
Commercial Garages – Repairs and Storage3 ~3 a2 \& Q% n p( k
20-100 Scope- d; u4 S# Z* j/ h' R# X/ ^* y6 m0 c
20-102 Hazardous Areas (1)
2 k) G" ?" ^7 R4 d+ k
/ S- L2 k! F! \. jSection 24 Patient Care Areas }5 b6 x T3 R. ]9 j
24-000 Scope (Appendix B)
6 W4 }* l4 v/ B( U# X; H( U24-002 Special Terminology (Appendix B)+ W7 M* ~( `' Z# d* Y0 H
Patient care area2 Q9 B; [* ~9 b( {, L& ~
Patient Care Areas
1 |! h) j' V0 m24-106 Receptacles in Basic Care Areas (Appendix B)+ u0 K/ J! r# R3 X3 {
Isolated Systems
8 B [4 D0 K" R4 B2 p! f24-204 Single-Phase Isolated Circuits (Appendix B)
6 w4 w& S6 Y5 J4 y; k4 N24-206( x9 x1 h% u) \; T% q
* r, L6 b9 f* X$ a/ TSection 26 Installation of Electrical Equipment- B, q4 Q8 a# i$ S
General. g- x) n0 l! Y1 Q V$ M
26-004 Equipment Over Combustible Surfaces (Appendix B)
# B$ a S A3 D1 u26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
. z( E& J4 [% Q9 `; I" `) ~ Isolating Switches
& z" H; v. Q: d* V" E; R1 T26-100 Location of Isolating Switches+ q; `6 {4 M" u1 M/ u" a
Capacitors5 g! G T8 f: C. @
26-204 Guarding of Capacitors3 m, X3 `0 P+ W( b y1 P
26-206 Grounding of Capacitors( q( c1 s: |. D( `* d9 R( L, p
26-208 Conductor Size for Capacitors
/ p, a5 Y6 T {3 i26-210 Overcurrent Protection (Appendix B)
; z5 y( }$ x, D$ }26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits: a) q8 X8 ^7 b: M6 \ ^: I) V
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits# z: v/ M) g$ L( i( l5 S6 F
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits+ p4 j2 h E7 E, m
26-218 Special Provisions for Motor Circuit Capacitors7 J5 \$ y; U9 j2 T4 L" k5 `6 M
26-222 Drainage of Stored Charge of Capacitors. W5 ~& U- ?1 X
Transformers8 V( a) ]' K4 D# a4 `& q
26-240 Transformers, General
& o- N$ q+ b3 W; G5 w26-242 Outdoor Transformer Installations4 k: z$ Q% [1 n1 E+ H3 Y
26-244 Transformers, Mounted on Roofs (Appendix B)
# a6 z } ^. L- z' L3 r26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
; i) v6 q3 \( U26-248 Dry-Core, Open-Ventilated Type Transformers
! F1 N8 W. }* f% O8 [- X; O26-250 Disconnecting Means for Transformers+ A- j G1 K2 L; V- q
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
* o5 O2 R+ R) c6 X- g26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers$ m8 V: D: y" f3 L* q
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)( u+ O2 @9 N5 Z* t2 L5 _* {
26-258 Conductor Size for Transformers3 _, o5 Q2 b! ^: V3 t7 ~+ `
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)2 p! S3 P$ a0 T4 O! A
26-262 Marking of Transformers6 {6 Z9 u e2 L/ s, |8 B0 U# O+ M
26-264 Auto-Transformers
, L3 a8 \! Y, I y" k2 i$ k' gFences- i9 y: ~4 u6 [ T, o: T9 D' O" u( N0 X
26-302 Clearance of Equipment - Table 33
, ^" y: }5 Y5 P2 a1 b- Z( yPanelboards
, e5 Y* w/ u7 Z, l26-400 Panelboards in Dwelling Units (Appendix B)! g2 u2 k" w1 q9 `" H \/ V% |
26-402 Location of Panelboards (Appendix G)* i6 R7 ]/ b# i. l
Lightning Arresters( X5 ]; }1 Y7 I8 Z: C
26-508 Connection of Lightning Arresters, [* F% W4 A% X
Storage Batteries( M6 g+ m1 z5 \4 M# u' Y8 @
26-542 Special Terminology
?, I- z- c# Q8 _) n26-550 Battery Installation
% K+ K- O* Z1 f$ {9 w9 e26-552 Wiring to Batteries
: k% ^; B3 ?( }* r+ Q$ W" c9 r' GArc Lamps
4 U2 g. c* W4 @26-600 Location of Arc Lamps
6 e& T9 _/ y, O26-602 Conductors to Arc Lamps0 k7 n" i" S# W6 V. T+ Y2 b
26-608 Globes and Spark Arresters
* G$ s% d( d! s1 r4 C2 a5 h) PReceptacles
2 ]) T; G* H, F6 h) u" U26-700 General (Appendix B)) k" [% ^6 u! p+ A
26-702 Receptacles Exposed to the Weather
}! e; @% l; i: S8 M% B! ~Receptacles in Residential Occupancies
" x9 Z: N0 Z0 l3 e26-710 General (Appendices B and G)9 s% Z) h, e h- H. r
26-712 Receptacles in Dwelling Units (Appendices B and G)
( `2 A) A- }! k+ t( b/ t. M% B2 _26-714 Receptacles in Single Dwellings (Appendices B and G)
* K5 v. }2 N* G- E9 {; l7 fBranch Circuits in Residential Occupancies
) y, M9 u) L6 G26-720 General
5 z: j* |) Z5 X26-722 Branch Circuits in Dwelling Units
2 ~/ V0 l- p9 }" a2 Z& w26-724 Branch Circuits in Single Dwellings
' y5 X" d; e3 M0 z6 k26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)% j+ P! V3 E. [# p0 Z' _
N 26-720 (F)
$ ?# ?6 o7 I/ C3 G- K U( ZElectric Heating and Cooking Appliances9 [8 F9 E% R8 v: h0 k
26-744 Supply connections for Appliances4 z! |/ S A3 M( j' t: u1 o
26-750 Installation of Storage-Tank Water Heaters
8 v6 u% w; Y u26-752 Infrared Drying Lamps
H; X. t G, S$ x9 o+ v
: K' \! c% B! ^Section 28 Motors and Generators
" x8 a9 A5 J/ Q0 LGeneral
0 L) I. ^- ~+ B" A/ Q* d28-010 Special Terminology: Z3 @! g' T; }& g. m
Hermetic refrigerant motor compressor
3 a* e6 j" f7 o0 L- m2 ]Locked rotor current rating
5 Y; V6 z& a% B0 F: U3 cService Factor/ I7 R+ ~! U: r9 w! i( ]
Table 44; Table 45; Table-D26 S' n" o W" }+ @
Wiring Methods and Conductors
2 }# ?0 H1 G: ~28-102 Portable Motors
2 g* W" p$ L3 [& {28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity. i" u) g; x7 \* F0 R7 Z
28-106 Conductors, Individual Motors; b; s& H# ~, ?
28-108 Conductors, Two or More Motors
7 U) @- z( [3 s' v28-110 Feeder Conductors
! o+ L; G! j+ _3 E28-112 Secondary Conductors
# @+ S8 H7 y4 l7 |- b% sOvercurrent Protection4 @6 Z( b9 s. [9 i8 V
28-200 Branch Circuit Overcurrent Protection
3 `& J3 F* w# `1 n0 {28-204 Feeder Overcurrent Protection
7 D- [5 x/ L: Y; } r$ T. W2 H28-206 Grouping of Motors on a Single Branch Circuit( x( z. f1 j$ s
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)0 j. y6 Y" i- j
Overload and Overheating Protection7 n3 r" r: P+ r$ s, z, W' G
28-302 Types of Overload Protection
6 M* B, A5 b* _+ H9 X U, u28-304 Number and Location of Overload Devices (Appendix B) Table 25
& M( ^; w8 A7 E* d4 C- u$ b28-306 Rating or Trip Selection of Overload Devices (Appendix B)$ p$ c0 A9 H. `2 e
28-308 Overload Protection Not Required
* G% y& ~2 R/ K2 E. uUndervoltage Protection
/ P, n$ K1 k( f' V U9 F/ _28-400 Undervoltage Protection Required for Motors (Appendix B)
1 S( y5 ~) k) N5 a8 P5 q; FControl
+ V* }3 M3 a8 w/ x; ?28-500 Control Required; m; @9 t9 ?* Z8 K8 f" I l
28-502 Control Location
9 G( e2 E3 K3 q28-504 Starters Having Different Starting and Running Position6 c/ F# d6 H& \) P
28-506 Grounded Control Circuit
, b% C8 ]1 W, U2 GDisconnecting Means* K( j+ ^+ o& \; }
28-600 Disconnecting Means Required: L1 y9 k9 ^6 Y( j1 H
28-602 Types and Ratings of disconnecting Means (Appendix B)7 G* f, B6 Z1 ]2 F
28-604 Location of Disconnecting Means
% R& V4 K" _$ o9 Q. y5 ~ Hermetic Refrigerant Motor-Compressors
- t7 T0 z U) ?7 w8 u3 j' u28-706 Conductor Ampacity! V5 x% Z2 e: ~2 U
28-708 Overcurrent Protection
. }# u. h0 n6 f9 n H# v28-714 Disconnecting Means
& b- q" H' h' E/ L8 L; k) ZProtection and Control of Generators
5 h5 d7 a s$ x( Z) ^6 i4 n28-900 Disconnecting Means Required for Generators
* i0 O- u, x; d0 L+ q: |1 q28-902 Protection of Constant-Voltage Generators
3 Y: W5 @6 ~) B9 @" S28-904 Generator Not Driven by Electricity
* ~8 x) n1 q% j5 p# h28-906 Balancer sets
; _, K6 p3 a4 Z7 R# w28-908 Three-Wire Direct-Current Generators) r( F3 G3 x5 o; A+ k' Y, g1 K
) X7 g/ ]# j6 _6 W2 A9 E4 L3 hSection 30 Installation of Lighting Equipment0 y4 a% q2 S, W
30-002 Special Terminology (Appendix B)
. z5 d( d, J# R2 j' C# D# |General; u; U$ o" R0 O/ G: n8 {, E+ V
30-102 Voltage
; [! s" e& X$ x( G; W# r8 S- {4 }30-104 Protection (Appendix B)& O/ P' ~9 b; b/ V- X3 C
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
* H. u7 G0 `( D) _2 ^2 s9 o30-108 Polarization of Luminaires
4 M2 s/ y/ A$ ]& G" {30-110 Bonding of Lighting Equipment
. s8 T4 r; b7 f) I3 o* [- CLocation of Lighting Equipment0 e; f. `4 L1 B) l' d5 _( Z2 ]- e
30-200 Near or Over Combustible Material! {8 m3 Z9 r# h# T2 g6 @' a
30-202 In Show Windows
4 x7 l/ j: q+ q30-204 In Clothes Closets
' \7 Z7 z, F: x' O! SInstallation of Lighting Equipment; f9 g2 Z! H6 ~. w: n% Y1 s: D
30-302 Support
. P2 P u5 M' f; Z30-304 Outlet Boxes to be Covered F1 n3 Z! o; h3 Z; M
30-308 Circuit Connections Z1 l2 d0 P M! \7 t) q
30-310 Luminaire as a Raceway
/ S# {2 U% e# {! A) h f30-314 Minimum Height of Low Luminaires' s9 a9 \' Z: s/ |; U, f
30-316 Luminaires Exposed to Flying Objects
- [# J: e2 N! {30-320 Luminaires in Damp or Wet Locations! N& ], d" `4 V5 ]- c
N 30-318
8 x3 e- Z& R, RWiring of Lighting Equipment' |. K+ S2 \' v7 ~$ c
30-400 Wiring of Luminaires
/ n9 K+ e7 E1 `& n! r+ A5 m30-402 Colour Coding
& G# D: Q0 d1 d: [8 U' {30-404 Conductor Insulation
8 [5 D; @( k% Q, }, \$ w4 O2 E5 R# \" A- L30-406 Conductors on Movable Parts
7 N& n( J1 w* z30-408 Wiring of Ceiling Outlet Boxes4 M" h6 K7 n m8 B' V# t5 y- w r
30-410 Wiring of Show Window Luminaires0 Y$ V- K1 u3 S; X5 N0 G$ K
30-412 Tap Connection Conductors) E( v5 b, R$ H& b
Luminaires in buildings of Residential Occupancy& i. r5 M( q9 m. R& _: ~
30-500 Lighting Equipment at Entrances (Appendix G): i& p$ }9 F3 X/ \' r7 y
30-502 Luminaires in Dwelling Units (Appendix G) t [) M" D# p+ u
30-504 Stairways (Appendix G)8 ` `8 z# j# @! V/ O! A
30-506 Basements (Appendix G)
6 w1 d! H; a, T, C$ a1 V30-508 Storage Rooms (Appendix G)# Z9 R' [2 O7 W& Q
30-510 Garages and Carports (Appendix G)
5 V8 {* p( e0 dLampholders' ^8 m9 N+ f1 ?( l$ E2 s) K. \
30-600 Lampholder rating with Incandescent Lamps: \# \3 I. A/ L( z/ y# w1 e+ X
N CANCEL
: E& h8 ^& s/ i0 ?1 n7 p7 F f# c4 y+ L30-602 Connections to Lampholders' f5 H2 O8 W% R! l/ |; Z
N 30-600
& {+ g: U: O( l* u6 Z30-604 Switched Lampholders Used on Unidentified Circuits3 U V& r) I5 n- M7 o3 J2 K
N 30-602
( I$ e. O; u% i- g2 F30-606 Switched Lampholders with Pull-Type Mechanisms
. e2 l6 x! {4 y* W0 i mN 30-604
' K6 G J: z6 d. t2 K4 A30-610 Pendant Lampholders' O O* y" x! N* m; s" r f
N 30-608' b! R) X# o! f
Electric-Discharge Lighting Systems Operating at 1000V or Less
5 Z. |3 C, l6 C _/ {30-710 Control (Appendix B) x: s* E; E6 e e
30-712 Branch Circuit Capacity
- p- F. n# c5 M. \) f' R& J$ TElectric-Discharge Lighting Systems Operating at More Than 1000V5 X- F/ s" Z8 s4 u% P3 J6 V! [
30-802 Voltages, Dwelling Units
, `+ Y# L0 y s/ K5 c30-804 control (Appendix B)1 ?" C Y1 z) E6 ^; D
Recessed Luminaires (Appendix G)
+ h& n- c3 A% F7 h1 V) e, e30-902 Spacings for Non-IC Type Luminaires
* h. X; _1 H- R7 p t' X30-910 Wiring of Recessed Luminaires (Appendix B)/ P( @1 ~0 W B# I3 b* R
Exposed Wiring for Permanent Outdoor Lighting
8 O) ?9 B: u7 L- N# o30-1120 Branch Circuit Loading and Protection
; W. C4 @, g4 v2 C& GExtra-Low-Voltage Lighting Systems7 b$ V# i- }. ]8 Y! n
30-1202 Sources of Supply
! u6 u& h1 J/ \4 K! q
0 Z4 a& G9 z" w- L" a! USection 32 Fire Alarm Systems and Fire Pumps (Appendix G) H, Q8 W; l7 U U7 _+ @$ Q" N
Fire Alarm Systems) i/ S8 k' ?8 ^( T) c
32-100 Conductors8 z4 F1 ?( u* N# o/ k4 R- `
32-102 Wiring Method$ I4 r' ?7 }, O4 Z- ]" ^/ A* |( o
32-104 Equipment Bonding
6 {( [) Y5 k$ V7 L4 f5 v8 w. ?32-106 Electrical Supervision
5 o- w/ _. l6 R# R: n# M9 [32-108 Current Supply
& o, E8 Q5 b: h3 }( ]2 Z* J32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)/ L g# y J) ?7 n, B8 E
Fire Pumps2 l2 P8 n- v P: `2 e7 L# A4 C% Z
32-208 Overcurrent Protection (Appendix B)
& F+ r; T& M) p9 cN 32-206
; i& o' Z0 B/ @( ~32-210 Overload and Overheating Protection (Appendix B): y- E: @6 Q6 q
32-212 Ground Fault Circuit Interrupter (Appendix B)
; m+ ]: U* s* f6 y5 b9 ?
1 Q* z* \/ }0 oSection 36 High-Voltage Installations
& |3 n0 _& a& u7 ^, ~! h& I& A8 hGeneral
' V% n9 w5 v, C36-000 Scope (Appendix B)
+ o& H. I( s6 f% y- s( d3 k36-006 Warning Notices0 d! q6 E2 m' f2 ~4 C' ~7 \
Wiring Methods
" z `4 c6 h1 B3 p) H' [! F36-102 Radii of Bends' C# Q- x2 i m- C, T/ ]& p* H! ~
36-104 Shielding of thermoset insulated conductors
6 h8 l8 D% ]6 u; H( O36-108 Spacing of Exposed Conductors (1) table 30, table 315 ~8 l' Y4 Z& u2 [$ b9 N
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34* a+ ` t( G8 G5 B1 A6 h7 m
Control and Protective Equipment! y0 q) ~. {. t* \2 x4 O
36-214 Disconnecting Means: z- m7 j$ w7 \. ~
Grounding and Bonding
! I9 ?9 L- e# N1 R" E0 w- W2 r# B36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
- D: i0 V5 J& k9 s- y36-302 Station Ground Electrode (Appendix B)2 ^+ s4 ^5 R6 i. Q+ |- t5 s0 p, b
36-304 Station Ground Resistance (Appendix B)
0 V' j$ \( V% Y1 t' b36-308 Connections to the Station Ground Electrode (Appendix B)9 _ k: Q% {' D
36-310 Gang-Operated Switch Handle Grounds3 t y, i/ a c% W9 z; \
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations, ]' {; B$ S' S( f3 H% Q3 ~
: }: M4 ^- H! v6 D$ ^
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
5 I9 y* q9 Q5 H& q1 P% h38-002 Special Terminology (Appendix B): t# G, S' E8 @/ p5 M5 e
38-003 Voltage Limitations (Appendix B)
P8 B/ q& s5 Q! y# F) H1 y& l- a38-004 Live Parts Enclosed
0 M# A( B; {2 G/ a" F7 [38-005 Working Clearances* F/ `' q. D% B9 a
38-011 Insulation and Types of Conductors, X! w# E' S3 }. d
38-012 Minimum Size of Conductors
\6 `0 p7 N0 A0 P0 ~% X. e% @
$ h& w: H" L" C. I& z. t" wSection 40 Electric Cranes and Hoists
' N1 C9 o+ | p, b* c7 B40-008 Disconnecting Means
6 R. O( o& z: f: M) }* {40-010 Main Contact Conductors
3 _& F% {% G9 y1 X B) H8 v! A& }- z
Section 42 Electric Welders
6 B2 e, W3 ]3 eTransformer Arc Welders4 _% A' h7 l+ A: E3 d/ h. s
42-006 Supply Conductors
l8 O& d! P6 ^
( G! Z; S4 U- |4 _$ VSection 44: Theatre Installations
! N7 E/ N& K) y- nGeneral
" M; J4 s+ ? F44-104 Number of Conductors in Raceways; y" X9 @* J* s8 a0 |
44-106 Aisle Lights in Moving Picture Theatres
- T6 P8 l6 Y/ r3 }" l& {Fixed Stage Switchboards
( V) a; u% ^. x" a5 v" p44-210 Overcurrent Protection& w* S* ]8 w* _0 W
Fixed Stage Equipment
; ?/ I( I( M* m) r4 [) h- @44-324 Receptacles in Gallery Pockets
- B# n* ?( Z7 X+ Z44-326 Receptacles and Plugs' ?) z$ D) S3 y
0 f/ T* a8 V ?0 h+ c$ S
Section 46 Emergency Systems, Unit Equipment, and Exit Signs
0 ~# r& n# R8 K) @- X q0 dGeneral( o8 d: ^; ], R8 t+ F, l
46-102 Instructions: ?. D1 ~; @8 }% \$ i i% o' d+ D' z
46-108 Method of Wiring (Appendices B and G)2 O+ p! M, r8 u' i' o8 Y5 {6 K, G
Emergency Systems
! d' I' M. J9 J46-202 Supply (Appendix G)1 y# N$ K, l/ V2 M4 W- v8 g( ^6 n
46-204 Control3 h4 C! J ?! q- o$ Q+ U
46-206 Overcurrent Protection
: f! b- w6 I/ I* `0 k46-210 Remote Lamps
7 ]$ |: m% E: iUnit Equipment5 \$ X0 T, P3 Q, t! C
46-304 Supply Connections, B, m2 J/ Q+ }; E1 b
46-306 Remote Lamps (Appendix B)
4 ~6 g5 P7 f6 Z8 x7 K; {5 zExit Signs
; d! I6 o, g$ e2 i3 S46-400 Exit Signs (Appendix B and G)
) E: Q4 U, w: R$ u# ?, L9 B9 A7 B$ k5 J% ~! E3 l
Section 54 Community Antenna Distribution and Radio and Television Installations6 I" |+ @& [! z5 N# q' q' x( L
54-000 Scope
8 [5 S1 I& `" P9 U+ l54-004 Community Antenna Distribution (Appendix B)& p# L( w$ G5 O
Community Antenna distribution& e7 V) ^7 n% q8 Q9 y/ z0 l" S
54-100 Conductors
( }' U) c0 L/ c" M( |4 W, n54-102 Voltage and Current Limitations (Appendix B)8 i' w& A o2 h' `4 W9 M$ S
Protection1 r- I( |9 o: M* [* b
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)) g2 I A6 A0 k }
Grounding
5 ^9 D: b. R/ k' a5 E! `+ K% V54-300 Grounding Conductor
3 N: q$ o3 j2 k& j, s9 w4 cConductors Within Buildings( r1 `0 T2 d- r/ F. s3 B c( j" Z* p
54-400 Separation from Other Conductors
7 C: H- r6 q# a/ {' PEquipment% F9 N1 G7 T" p6 e) R. N
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
, y0 n& Z# j8 c5 K* o54-502 Exposed Equipment and Terminations
/ n8 M1 E! V; x5 U$ O( q; G$ {& l* Q$ h9 J3 G8 M; Q- f7 q# Z
Section 56 Optical Fiber Cables
! H, ]: h+ R- C9 y+ R2 [& B( k6 EGeneral1 K) D2 Y( b, S) z, k0 q1 \! O
56-100 Special Terminology, R5 R, J7 w# ^5 i3 s' f; g$ d
56-102 Types, b: I' G9 n$ O- j6 e% @, ^8 e
Installation Methods
7 `% H; g% Z5 ] W56-200 Nonconductive Optical Fiber Cables (Appendix B)
% t! t% V$ {. V56-202 Conductive Optical Fiber Cables (Appendix B)) ~- e& p4 u8 ^3 X) F' x0 L, Y
56-204 Hybrid Cables
1 z: l- z" J$ t56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
6 f' B! v: x; r$ a
7 s8 V# i! W; |% Y% W) c9 _Section 60 Electrical Communication Systems* t2 R/ j: v$ j6 i
General4 D( l3 `, g8 W" z
60-100 Special Terminology0 p5 G4 A# d4 X7 t G
Protection) H! l l: i9 K2 D, s5 A
60-202 Primary Protector Requirements
( K' z: I1 W6 `; w" Q2 A3 H/ eInside Conductors/ N! T/ {* Z3 B( @
60-308 Separation from Other Conductors
& ~: p" u4 S7 L" ~Equipment
: ^) N+ A( f3 E8 k0 l5 ?60-404 Exposed Equipment and Terminations3 D8 Y0 z+ g. L2 ~( ~5 e- Y0 L
Underground Circuits6 j; i, } b6 s. ^5 l' v
60-600 Direct Buried Systems
7 D0 w. T3 _( M8 Y- T2 a# s" \- e7 w: }/ j: \" c( _: Z$ s( u
Section 62 Fixed Electric Space and Surface Heating Systems& I5 q6 p! ?1 ?1 V( D* W
General4 t; Y' `8 I) G% }
62-102 Special Terminology
0 M9 L$ ~- u& u6 p62-108 Branch Circuits7 c4 ~4 \7 o* a1 z0 w% b
62-110 Installation of Fixtures- Q4 `9 e* P* d# U, Q& [
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
2 r1 ?: O1 x+ y62-116 Demand Factors for Service Conductors and Feeders (2)
/ z- s* h! V" b, _+ V62-118 Temperature Control Devices9 a+ a8 {* j) ]5 g: z0 S
62-122 Installation of Series Heating Cable Sets (4)(7)
! m8 h1 `) c/ h, a( X% }7 _Electric Space Heating Systems
6 @. P# t. H8 R/ b5 R) S; H62-202 Temperature Control
4 V5 @: `3 @2 L, V W* Q62-206 Proximity of Other Wiring (Appendix B)* ~4 X. L7 b& W6 |3 x& B
62-214 Installation of Heating Panels and Heating Panel Sets; m; \, `- y p$ {7 @ v& C
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
% ]# e" V1 R& v9 r62-226 Installation of Under-Floor Covering Heating Panel Sets
* P: Z V" m& W5 WElectric Surface Heating Systems
1 z$ w+ z/ g" c5 a3 ]% @! [0 n& v62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
# H' d: q! o$ U8 U2 k
8 k% l, ^( m" j/ q$ YSection 68 Pools, Tubs, and Spas
6 K2 B% Y: L- W, D- V$ X* B* u/ JGeneral
, n2 l% _) D8 B1 \; K! R; E68-050 Special Terminology
0 E/ {9 e! ~/ @5 x ]2 p0 X68-056 Underground Wiring - Table 615 l; n" G4 e6 c0 ?
68-058 Bonding to Ground (Appendix B)( e! F- G$ u1 S" `
68-060 Junction and Deck Boxes (Appendix B)
2 E( f4 x3 ?' ^9 Y# @* c7 v68-064 Receptacles
5 ~5 l( x; E; a. R$ ~/ ^68-066 Luminaires and Lighting Equipment
( N! `- R* f- P7 [" V( l1 g- l68-068 Ground Fault Circuit Interrupters (Appendix B)' P* p8 Y& c! H4 q% |/ V
8 U' t1 g, A/ J: v/ I# r
Section 70 — Electrical requirements for factory-built relocatable structures and
! `" L7 ?1 E. M) Unon-relocatable structures
k0 j* G& a, X l' }$ ?70-130 Tests (see Appendix B)2 b& ~2 }% C G1 I j
0 J1 d! c3 V8 h% m: \5 _Section 76 Temporary Wiring (Appendix G)
1 I/ E0 J; g# h& y. Z" U76-004 Grounding
& Q; S8 j6 v2 W+ c# Q76-008 Service Entrance Equipment
% N3 h8 p3 B! P9 B; BN 76-006+ d4 S* g7 v/ T5 y- `, [
76-014 Branch Circuits
U# ~/ S. g- r3 {. e3 vN 76-012
( H* I0 f2 t* w9 N, v, y ~
1 o& X) j- g7 @" X2 X4 Y* NSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours& ?' ^4 @2 y( g( E3 m- o
Marinas and Yacht Clubs" z5 A$ q- Z! J9 e4 v
78-052 Receptacles
! o) F3 C$ N! Q) _ d78-056 Feeders and Services( l8 E7 U' m5 P% y% o3 ^5 I2 O2 ?
Marine Wharves, Structures, and Fishing Harbours
$ C# j- F7 {+ i# ?# e78-106 Grounding and Bonding" S- E1 z9 d* R9 n9 ]+ |
Tables. P) ]3 P" f# V( x$ A! W" s& ]6 E$ [
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
_4 A- U: K$ N4 ]+ f4 B* w; ~' l* D$ {
Diagrams: 1, 2, 7
& ^+ J0 ? B/ _, Q1 m! C- j# i' J+ P2 ]4 C
Appendix B
# k. V! v6 R! \ G ~2 ~7 P8 jP352: Ground fault circuit interrupter- 6mA
: f! d/ t0 N; i! k: GP354: 2-126 FT1, FT4
$ x: @* q9 C5 G* n PP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
0 l, I0 }2 ^0 C( e" I( MP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
9 E6 M7 m7 Z6 {. n' H0 h- KP370: 12-1012, 1118, 1214 Example:% d: |# K6 y* l0 |
P371: 12-1108; m$ C8 Y, Z% J# A& s! w
P381: 18-108(1)(b), 18-158(1)(b)4 o: ^+ u7 s6 o' j
P386: 24-206
) s- I* ~) f6 D5 }P389: 26-256
5 K/ K* V9 J- u7 K \P391-P393: Section 28, Example to determine Motor Conductors and Protection G% a* n6 z( f0 T. T
% y' n7 t% x. J' |
Appendix D0 z+ m+ A1 m& U1 j
Table D1, D2, D3, D4, D5, D6, D7, D16 |
|
狗仔卡
发表于 2006-7-14 22:53
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡