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Canadian Electrical Code Review Guide
! o" J: ?( H. B- J+ FFor the Exam of Electrician For Red Seal License3 f2 ]2 P6 U d( B% r
) K2 e( P! |" u$ |' W
Lesson One4 S$ J* Z: b) W# T7 t& p% l! [1 J
Section 0 DEFINITIONS
7 C, Y# B1 {# g2 o) I% y2 X$ \- xThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:/ Z8 v$ F) [# l1 A3 K
Accessible as applied to wiring methods- W! c+ P, K3 r/ p; R/ M. ^0 y
Alive or live
# ?% J4 Q8 j, Q7 `6 ]Aluminum-sheathed cable" `/ I+ v2 _. O. y: O S0 r
Ampacity, D9 I. [4 }; b& w8 C% I- A |
Authorized person8 D8 D# R, h& v& N+ k
Auxiliary gutter1 `- t# v) E4 @+ W
AWG
' i. ^" P- K6 X: Y1 vBonding
2 t* G# O6 G4 S- `- l! U+ q. b9 uCable tray
: L. y H' K1 V4 K' b4 |: s/ n- D/ uCellular floor
- J& u J0 X0 c' L* k2 f* nBranch circuit
3 Q1 n3 ^4 W# r- y; XBus
2 U. O( {: Y7 \, m4 ^/ ^Busway% ^7 I' f6 | @# r, e/ j
Communication circuit+ i7 O3 t% P1 a& `" D
Extra-low-voltage power circuit" I4 N t- g& F5 x* x
Low-energy power circuit2 L9 F7 [/ I2 l
Multi-wire branch circuit
) @/ X$ V4 f- A( d& q6 q5 tRemote control circuit' `5 W, y6 n a S2 u: r( k
Signal circuit% c! @9 c& C1 p2 o1 f& p& M6 S" H
Circuit breaker
1 a0 w! t& L1 ^& qInstantaneous-trip circuit breaker7 U. b' X, I" {+ E: o9 d8 w
Conductor9 J' z9 v3 b5 d2 \- T8 t0 a
Conduit! G* o: g; {2 H( r. `
Flexible metal conduit
4 |% K/ l) r: d3 }6 R6 L& @ Liquid-tight flexible conduit/ r% A- B4 e; I" L0 j
Rigid conduit
& u5 [" U }$ X s9 B' b8 O4 c Rigid metal conduit
8 V3 ]5 r* C; K( V. C# _* r Rigid nonmetallic conduit
$ `. L' {1 l x4 U Rigid PVC conduit r* A4 T0 U: o8 F. r3 \
Connector% p j7 E, H/ n* R: N# r: K
Box connector
* V. N/ a# F8 B5 m0 s: |! W Wire connector
0 T! w# E2 \ M. q' \Controller" F+ S3 e5 H; Y5 {
Disconnecting means1 Z+ s# o: M) ?' G
Dust-tight
- ~. n, w9 X2 ~% e9 `Dwelling unit, I+ |2 N4 J/ g# e5 x1 L$ X" H
Electrical contractor
]- i) j; w1 M+ OElectrical metallic tubing t3 O' }+ j8 R+ I: R
Electrical nonmetallic tubing
/ A4 M$ {! B8 F) C6 j0 s6 YEmergency lighting
% B" X. Z( [/ J. s; p! FExplosion-proof) E% Q2 ?5 v+ V% \. U( t
Extra-low-voltage power circuit2 g/ N9 U) K7 W4 w4 k k% \
Feeder0 m0 \$ {& E$ }% o. K( z
Flexible metal conduit
0 U0 Q6 ~8 C3 |+ VGround
% c4 \/ V, g/ S5 xGround fault circuit interrupter$ O$ }# F: W/ Q k1 X; }
Grounded
E: n% f( A+ H2 P# P. w1 C) TGrounding
8 z5 o W" S" s5 TGrounding conductor9 |* u3 B) s8 A& q/ S# X, X
Grounding electrode
- q+ V% C0 F2 A8 b) {Guarded5 L2 m2 n: K% w) V8 X$ C
Hoistway
" R0 V* j& T) Q. OIdentified- g9 j- H8 G) ?) h; \
Lampholder
! k4 P' y, G. C' E' p. ^* n3 z0 QLow-voltage protection
0 R. ~. Z1 i# A0 `; D2 N7 QLow-voltage release
/ D1 A5 G8 q; V+ G. R1 M0 |" W0 v5 eNeutral6 \$ u( V) V! M
Noncombustible construction e# ?9 l$ f( q; y
Outlet
# S* V6 |8 k' P8 K$ `' r" hOutline lighting
1 R2 X% }; o; E# l9 l OOver current device8 L! z% z+ @6 ^
Overload device
) x9 l# ~+ t9 Y; @# R7 k% K5 b0 O: wPanel board2 [* i$ O0 U+ p% U0 z* Q5 E
Panelboard, enclosed' m: G1 D4 }1 z
Permanently connected equipment' Y; R2 R% J4 M0 R' T- L7 F! d, `0 h
Permit
, T6 A# @1 ~; ~& c- xPlenum/ ]* i$ Z( ^9 h6 v4 y# }
Portable as applied to electrical equipment7 Q9 E$ C1 \9 ^* X: i) }( A) Y
Portable ground fault circuit interrupter4 u* C* Y! y9 w% X% h2 u# E7 b+ M Q
Power supply cord
+ U" ^- y1 n6 r% W* ~( bRaceway
' C% H* }1 L- j9 }/ DReceptacle
3 |% @# A' a3 C" I1 E Duplex receptacle
; N E% v1 v" h- `6 k9 N6 ^( F Single receptacle0 }" C1 S) ^" R0 l( D
Split receptacle; Q* |: b$ W+ Q
Service, consumer‘s" N* t: h7 i( o3 \% e0 B
Service, supply
2 m) e" U p8 IService box
3 q, J$ k4 ]* g) B; h* T7 C* ~Service room5 Q# P0 Z1 |# U
Single-dwelling0 S& N9 o0 B9 J. L
Slow-burning as applied to conductor insulation
7 B. j) D( D. J+ x7 nSplitter
( x) C' t* }# x5 {5 C6 W) W0 U4 J# JStarter4 a( N; x4 g) ]: j1 B" X! Q
Switch
, o/ _1 s. _2 j. O General-use switch7 C: t8 I8 h" b4 ^* ^: Y \
Indicating switch
' m- E' K8 u2 ]/ r3 m9 k1 W Isolating switch- u+ e* b$ t+ F) w' d
Motor-circuit switch
& x! z- f4 i" |# R. RSystem* N; w \( _' u
Communication system
; N; y$ e8 P3 T" h$ y8 Z3 T; m$ C! Y Community antenna distribution system(CATV)
o4 c5 G" l- J! U" L Grounding system
6 {, r# d& F: ]8 s0 j6 uUnderfloor raceway( ~' Q% j# W5 ^% i3 D/ v! R+ C
Voltage:
4 O$ t9 K/ S/ {$ Z! k$ H2 t Extra-low voltage
# [& Q2 ^' Q) `/ E: E0 U6 }, U High voltage8 m @( [3 s: S- G; c/ Q% ~
Low voltage
4 k2 ^( w0 l# F- i9 N9 ?Voltage of a circuit
4 p( v9 q0 P0 ~& [3 E: vVoltage-to-ground
g( G4 x) o, T6 `Wireway* k: A+ [" {8 M! B" m
- x8 z6 _. g4 ~' X f' R
Section 2 GENERAL RULES7 c* ~, M- }8 S( @, ^$ Y2 x
Administrative+ n4 R2 ]. t/ E
2-018 Reconnection
3 W- c, N/ p# }9 k2-030 Deviation or Postponement
7 F% m4 V0 `0 F$ y7 i9 P$ WTechnical General8 j$ }8 @& X1 r1 t3 E {$ x
2-106 Circuit Voltage-to-Ground – Dwelling units
5 W, Q, J: c/ B; t& R' ]2-114 Soldering Fluxes, a( A! A+ ~2 C
2-116 AWG Sizes of conductors0 q y( |* U& G& A; s
2-124 Fire spread (see Appendices B and G)
8 C1 W; L: z, x8 D2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
, z/ \! n5 _7 \Protection of Persons and Property- i6 s! s! u, }! O
2-202 Guarding of Bare Live Parts9 ^) t1 ~8 a5 q# I! n9 H# b1 H
Maintenance and Operation
: m% u, i& x6 S& I! N* B5 ^2-304 Disconnection
" D6 a+ q) `) W' o; {2-306 Maintenance of Live Equipment
0 X8 Y( I b. _3 uN 2-306 Shock and flash protection (see Appendix B)! E9 x# X: W8 l
2-308 Working Space About Electrical Equipment: Table-565 h7 i4 G$ c: l' r, Z" z
2-310 Entrance to, and Exit from, Working Space6 T H6 ~- o: n% k
2-320 Drainage; V; a5 |& [! w# a+ D' L( d
2-322 Electrical Equipment near combustible Gas Meters and other Devices
+ ^$ Y" S3 S% ~7 t# R7 Y* S7 WEnclosures: Y; Q6 d: C) M. e8 U
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
- [4 L* k' u4 q# J; Q9 Q4 ~) e) I2-404 Marking of Motors: DP, WP, TE8 A I* [9 E! q8 h0 \" ^
' Y4 G) S- F+ Y1 h5 QSection 4 Conductors3 A& ^3 ]2 s# i9 M
4-000 Scope
B3 q: O5 `, T" c+ K* e4-002 Size of Conductors: 14#, 12#- C3 |* {0 z+ i! d! K
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
+ ^! o' W5 O, ~% T, }4-006 Insulated Conductors: Table 19
8 @7 T$ K) @7 S3 }. n/ s3 m4-010 Uses of Flexible Cord: Table 117 ]) |+ N6 R# m% M. L
4-012 Sizes of Flexible Cord
) [6 V0 @) y/ x8 T) A4-014 Ampacity of Flexible Cords: Table 12) ~$ u& S& N0 u$ ^) M! F' R; R0 R
4-018 Equipment Wire
6 s; V. E3 N( D D: K' d6 p4-020 Insulation of Neutral Conductors: H6 E$ H1 Y, P1 v& K6 n
4-022 Size of Neutral conductor+ |& B9 x' ?- W, `3 }0 s
4-024 Common Neutral Conductor5 V& e$ q% a! z* z1 X8 t5 |
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum. H! u) I! D/ ?7 y `) v
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
6 a D2 `: ^$ M, m% z* T0 f& K4-032 Identification of Type MI Neutral Conductors; I( g" d# Q( H
4-034 Use of Identified Conductors! z7 \# B, k- Q' Z( j! B
4-036 Colour of Conductors: Phase A, B, C, …
. g* b6 l5 M0 L: t R- q2 _/ E
4 u# Q) `5 I7 W) _7 ~Section 6 Services and Service Equipment
x+ y. j* q7 eGeneral: ]$ A" X% E. @ f+ m2 H' Y0 m
6-102 Number of Supply Services Permitted4 c7 y: F c; J" H# ~: `
6-104 Number of Consumer’s Services Permitted in or on a Building
) f, Q: o! H( l7 R3 F6 {1 [6-108 Supply Service from an Electric Railway System
+ ]' o) m, b1 P( S2 C6-110 Three-wire Consumer’s Services 0 h! G' B. f/ I5 I
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors6 a2 o G3 G9 W3 t7 k! d
6-114 Methods of terminating conductors at consumer’s service- D0 c/ U- s4 ~# B( j0 H5 m
6-116 Consumer’s Service Head Location
# S* q/ d' K: y9 cControl and Protective Equipment
2 O8 f7 t6 j9 |6-200 Service Equipment
; H/ b" ?* s4 @4 v6 G; P6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
. \7 ], q! v) w; `7 |8 V$ Q$ g6-208 Consumer’s Service Conductors Location
' g! T3 s2 }( c& A- E8 _6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches: f4 J$ P, D# t
6-212 Wiring Space in Enclosures
- S; [& g/ B! O. E% } l T6-214 Marking of Service Boxes& A; G* M9 w3 W. S' r
Wiring Methods
# T9 z5 b- G1 `* f( j6-300 Underground Consumer’s Services( W. p8 F" g7 R* U* l) c& {9 R
6-302 Overhead Consumer’s Service Conductors
" e3 @/ n* T, _7 b6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable# ~' C" U. H3 u- N
6-306 Consumer’s Service Raceways7 j0 g( C- _4 i4 V' h
6-308 Use of Bare Neutral in Consumer’s Service7 l+ a c; ]2 d$ c1 ^
6-310 Use of Joints in Consumer’s Service Neutral Conductors
3 Y; `5 p7 c+ j9 u6-312 Condensation in Consumer’s Service Raceway
! b# U# ^( D- A) L2 I# `9 nMetering Equipment
3 s% x0 Z% ?7 M. I# h' O6-400 Metering Equipment9 f0 m9 ?. F. o% E k
6-402 Method of Installing Meter Loops# ]: n6 N1 \! q" R
6-404 Enclosures for Instrument Transformers4 Z! N0 t" \' B
6-408 Location of Meters* ~) n% {: ?" ]. k5 K5 \
8 j; q5 u2 r T. L& A' fSection 8 Circuit Loading and Demand Factors
; g; Y5 f- [# a, F" s/ RGeneral: W3 y2 n$ q+ S5 ^
8-100 Current Calculations
6 u- P/ \9 Q: F$ Q$ X6 ]- C8-102 Voltage Drop ( see Appendix D)! ]6 @ o) N* N0 d# ^2 ]2 w+ r
8-104 Maximum Circuit Loading
! w. O6 W# j3 W7 R; w7 i8-108 Number of Branch Circuit Positions
3 F$ g) k( }/ S/ N. {* [8-110 Determination of Areas
( t* j$ H* }6 ]+ s6 ~6 x- a7 hServices and Feeders; |! P1 |% l. x$ O
8-200 Single Dwellings (see Appendix B)7 d+ c0 ]( _- I+ i9 U
8-202 Apartment and Similar Buildings
. e7 O2 ?; ]& [) T1 E8-204 Schools: m$ s, D& x0 ?
8-206 Hospitals- c6 [* Z( x6 l$ d
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy" q. W4 B9 ^( a r; i& @' y
8-210 Other Types of Occupancy (Table 14)" }: k; P/ h5 m& ~9 i
8-212 Special Lighting Circuits2 p) U6 f) l3 |: u
Branch Circuits
$ E' u5 u- u% k/ S8-300 Branch Circuits Supplying Electric Ranges
9 u5 s0 G# S/ A$ v$ |8-302 Connected Loads
. h( j/ T O4 S& @( {2 Y- Y$ g" X8 T, Z' j; ~
Section 10 Grounding and Bonding
" {; z* t0 B" P' XScope and Object$ q( G- E+ X# y9 }$ X% Q. @' W
10-002 Object& Z0 [) G8 g( U& h
System and Circuit Grounding
7 F$ S+ x5 }( A9 N10-102 Two-Wire Direct-Current Systems
: @, F% O2 Q5 d6 v# j1 B10-104 Three-Wire Direct-Current Systems) i' j7 d0 m" N; ~6 g) ?
10-106 Alternating-Current Systems
. J) G5 W) z9 n4 a! u10-110 Electric Crane Circuits
% ~; E4 W* T- u0 ?- s1 P; x10-114 Circuits of Less Than 50 V# e" G: G+ O) t+ {4 w5 e
10-116 Instrument Transformer Circuits- O! x u, U" I
Grounding Connections for Systems and Circuits* [0 K3 X4 I1 f c8 Z# b- O% Z
10-200 Current Over Grounding and Bonding Conductors
: `/ h" q1 l x& o) e. u10-204 Grounding Connections for Alternating-Current Systems
$ n8 _/ o& Y. ?2 b* ~10-206 Grounding Connections for Isolated Systems
" R7 ~$ P! |* M5 G' |7 C10-210 Conductor to be Grounded2 z: g- V! g! v
Conductor Enclosure Bonding& U8 z# `6 }& n- \$ W F
10-302 Other Conductor Enclosures; P4 \' T1 e* b( t2 E
N 10-304- o; `7 E& S: f: g
Equipment Bonding! T& P7 E; l( Q0 @5 L( n! ]
10-400 Fixed Equipment, General9 k0 W( _6 m8 x8 H( r3 H3 b
10-402 Fixed Equipment, Specific (3), (4)
) R" Y6 A( B" {& Z' G9 Q# f0 s10-404 In Nonmetallic Wiring Systems
( ^6 ^7 B3 `4 I' i10-406 Non-electrical Equipment0 a7 x# L% }. w
10-408 Portable Equipment (4)(b)
3 A( }: V5 `& _* P* I' J* j& G10-410 Instrument Transformer Cases
9 L+ n* a3 V3 G) E2 q10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
0 p6 T* Z# ~' H: p2 M10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V* J+ R7 d9 A i3 `2 g# v
Methods of Grounding1 ^/ d1 f8 U5 H) u1 ]8 @: K& v
10-500 Effective grounding (see Appendix B)
7 ?; Q4 m. E1 e: V9 L0 h10-502 Common grounding conductors; x) b; d5 T9 l; o/ S, p/ |) d6 G
10-504 Common grounding electrodes
/ {) z$ b3 b# d/ M" iBonding Methods
3 c5 |+ c# ?; u" L4 i4 E* a" g10-600 Clean Surfaces
( m4 R& O( v* }1 z; F3 z7 ^10-604 Bonding at Service Equipment4 s. C$ k$ d9 b5 z3 ^# y
10-606 Means of Assuring Continuity at Service Equipment- h; g' \+ ]* ^/ O5 ~- W
10-610 Bonding at Other Than Service Equipment G$ O2 G, _; z2 K& X% S( I/ N
10-612 Loosely Jointed Metal Raceways
/ ]: a" y: L( X" ~8 W5 k, l10-614 Bonding Jumpers Table 41
& j$ t0 Q; w( p3 C; X( U4 b# NGrounding Electrodes+ Z' h* p. C2 F8 V2 N1 c
10-700 Grounding Electrodes- Z0 P2 R; X Z
10-702 Artificial Grounding Electrodes
, b% Z# l' f3 e8 Z0 Q! QN 10-700 & 10-702
1 X+ w$ C4 j" r; x3 _4 ]; C. }) u10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)6 w4 Q! [8 g7 ]0 b9 A
N 10-702
# N- S% x: i( n1 h2 M10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding( T* u8 e2 K$ E2 ?9 C; X$ R
N 10-702
. `& P% j* ^8 n* y; @' b8 J3 s6 o10-710 Use of Lightning Rods (Appendices B and G)
( T, N. D0 S- PN 10-706
P8 ]: b* P, jGrounding and Bonding Conductors
F6 h, k# [& C10-800 Continuity of Grounding and Bonding Conductors) z! R) q- W3 k, q
10-802 Material for System Grounding Conductors
5 b/ l! p4 C; Y0 ?: d" @$ j10-804 Material for Bonding Conductors
, ?- o% {9 X# V10-806 Installation of System Grounding Conductors
. {7 b; G2 b2 {& s10-808 Installation of Equipment Bonding Conductors
1 w2 E7 ?' ~! d7 q10-810 Grounding Conductor Size for DC Circuits) \# S2 E/ H6 t! D7 C; q
10-812 Grounding Conductor Size for AC Systems (see Appendix B). m7 u/ e7 H l
10-814 Bonding Conductor Size (Appendix B)2 w$ Q6 L9 R* }2 Y. _
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
3 ~0 o( m8 W: w) T3 |10-818 Bonding Conductor for Outline Lighting
9 w# ? H$ ?" S7 N& J$ v6 v, R% T10-820 Bonding Conductor Size for Instrument Transformers6 A3 A+ s8 n- t; u5 f, U* }
Grounding and Bonding Conductor Connections
8 V4 t7 G) p3 r$ V* A6 N10-902 Grounding Conduct Connection to Water Pipe Electrodes& M5 r) Z5 n6 t; Z) ~0 }, {: W
10-906 Bonding conductor connection to circuits and equipment; q) T' m/ W+ S; I4 `' d
10-908 Grounding Conductor Connection to Electrodes
3 g' h+ H$ H+ E: l5 f8 VLightning Arresters
7 D' b* e* f! k. A) k1 y10-1000 Lightning Arresters on Secondary Services – 750V or Less, U$ n9 S& k! c$ ^$ C S
& }$ n" s ^/ e
Section 12 – Wiring Methods
+ a' F& t9 R2 ? B- v, uScope
9 E. R( C6 Y! }0 e12-000 Scope (Appendix B). R( A) y5 Y& j0 E, {# z8 B0 A
General Requirement; F! N Z' [6 m
12-010 Wiring in Ducts and Plenum Chambers
- d' _4 K7 G7 E! T! ?4 z F12-012 Underground Installations (Appendix B)6 ]0 i. Y( e3 g% {, A' s( I) O! B+ u
12-016 Lightning Rod Conductors) @! Y" T M8 x" K6 ?% e
Conductors - General n3 H6 G7 G5 z8 n0 a
12-100 Types of Conductors (Appendix B) Table 19
% ?( z5 B9 \* A12-102 Thermoplastic-Insulated Conductors/ O: I3 n6 W. r. z G
12-104 Flame Tested Coverings
2 q( R% i- v. k9 e) p( N2 P12-106 Multi- and Single- Conductor Cables
! S, z' x8 W, F; j1 z; U12-108 Conductors in Parallel (Appendix B)+ \. J' G4 b/ A Y a. s
12-112 Conductor Joints and Splices# f9 x! p$ T3 ^' Y; N3 \
12-114 Ends of insulated conductors
% z, Q7 `6 o8 p; S6 l5 R$ P12-116 Termination of Conductors (Appendix B)
& T1 A" Y( v9 y5 Q. i12-118 Termination and Splicing of Aluminum Conductors* y0 P8 [% D) e- r
12-120 Supporting of Conductors - Table 21% U& \$ P6 ]# D8 b0 E
Open Wiring
7 x6 u+ Q& H, |2 {& i1 w0 d12-204 Spacing of Conductors
3 V* U, m* J, g' h4 l- i12-206 Conductor Supports
. K# O+ H3 T, o P5 h1 `- ]' l12-208 Conductors on Flat Surfaces. F" L b1 S$ }
12-212 Protection from Mechanical Injury
8 l$ d$ @0 N& AExposed Wiring on Exteriors of buildings and between Buildings on the same Premises& G- r- }* `6 N9 A% }$ D& I
12-308 Minimum Size of Overhead Conductors
, G# f& V; J0 g, X' b/ c4 _12-318 Use of Neutral Supported Cables3 B7 W! c v2 X7 k; U, } e1 T5 L/ F
Nonmetallic Sheathed Cable7 F7 j- D4 P; l' M1 G+ [* x
12-502 Maximum Voltage* I6 `/ m. n; Y, Y: e8 `6 G/ D
12-510 Running of cable between Boxes and Fittings (Appendix G)
+ V# _3 D- q' i12-514 Protection on joists and rafters
- M5 Z: i2 H0 I- o! K8 Y- H" {12-516 Protection for Cable in Concealed Installations (Appendix G)
$ f3 i5 I3 J" U, g12-522 Where Outlet Boxes Are Not Required
9 [8 g* W' B6 z- R8 PArmoured Cable
) E/ ]0 F, m c& z3 V12-602 Use (Appendix B)
1 M6 a$ D5 ^ O; Z" Z, C12-604 Protection for Armoured Cables in Lanes
( M% E4 t/ {: C* ~! Q12-606 Use of Thermoplastic Covered Armoured Cable, H7 O8 I8 ]* `# B9 |4 x# n
12-608 Continuity of Armoured Cable3 h5 W& k9 o! y
12-610 Terminating Armoured Cable8 l6 T1 h. P, K; p6 W5 ]- w
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
3 Y Z' z$ O6 y+ b4 {12-614 Radii of Bends in Armoured Cables
8 \, e+ U% D# E# K12-616 Concealed Armoured Cable Installation
! b7 A X# ^9 V12-618 Running of Cable between Boxes, Etc& D/ g/ W3 X q! |2 P
Mineral-Insulated and Aluminum-Sheathed Cable0 }5 m0 h$ }$ P/ g+ r. Z8 t; T
12-702 Use
( g4 k7 P3 u9 n& y12-704 Use When Embedded4 r9 @1 e3 E7 K) A
12-706 Method of Supporting) |* Y3 C4 Z6 H2 h4 p
12-708 Direct Earth Burial
2 H9 j) G: b/ T k4 \; I12-710 Mechanical Protection) s; u2 Y# t+ j# v! m4 B% W
12-712 Radii of Bends" ~8 S5 x3 s6 d/ ~( v! [9 H
12-714 Termination of Mineral-Insulated Cable (Appendix B)7 r7 j+ @) N) E5 ]
12-716 Connection to Other Forms of Wiring/ h9 X5 c( [9 x- S; O9 Y
Flat Conductor Cable Type FCC
* P; S9 m" {+ X3 D7 s) B t% f2 M12-804 Use Permitted
' S6 h y' s) d/ O k12-806 Use Prohibited( {! R4 J* k! T [
12-818 Anchoring
) Y7 u7 b) ~/ k' m12-820 Crossings7 G W) h7 z9 y# v4 @, Q1 e5 J' l! w
Raceways - General
( Z) E' s' E1 C( l12-904 Conductors in Raceways I) b+ E( o' }+ N3 @/ K
12-906 Protection of Conductors at Ends of Raceways6 o) J2 q7 E$ Q+ K" C- c7 b8 L
12-908 Inserting Conductors in Raceways
) D8 Y- D3 P! k12-910 Joints or Splices Within Raceways4 s3 t! l, j; @/ G* d* J
12-912 Stranding of Conductors
3 c$ B& p+ L4 q v6 r12-914 Electrical Continuity of Raceways
7 M3 F3 y& n4 P' [ _! {12-922 Radii of Bends in Raceways
M1 H5 ?! u3 F9 g# b* d% _N 12-922 Radii of Bends in Raceways Table 7
3 ~+ b, F, y) P1 S# L1 ]12-932 Protection for Raceways in Lanes
3 b$ d- Y$ E' n( H9 |* e12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
5 C/ u) b% y+ u0 q& n2 h6 V12-938 Capping of Unused Raceways
' C' b+ w# ^! H8 B5 g& o) e) O5 L: P12-940 Maximum Number of Bends in Raceways Z2 c, z: ^2 z) `* r( H& G
Rigid and Flexible Metal Conduit/ t8 y2 V# g! Q# a* g2 W8 L* g+ y/ o5 X
12-1002 Use
/ H" }. w# n7 j$ W12-1004 Minimum Size of Conduits5 E, N* L5 _$ v- b9 z% G
12-1006 Conduit Threads (Appendix B)
% V- T; s$ A. N3 Q' g4 T3 [12-1008 Thread Engagement! s9 ~! o# k+ e" p$ Z" X
12-1010 Maximum Spacing of Conduit Supports$ g4 H( {; \0 O/ T; P* I( i0 Y
12-1012 Expansion and Contraction of Conduits (Appendix B)4 z; x, m% D _
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
8 [0 V, G* ^7 g+ h1 {5 r1 I' d YRigid PVC Conduit and Rigid HFT Conduit
* w0 i: c* e! Z" S4 X12-1100 Use
7 \' k/ u; P6 }0 `$ @12-1102 Restrictions on Use
$ i' u' s% y! y8 L& [/ I) b12-1104 Temperature Limitations (Appendix B)
/ }# G" ~* }* ]12-1108 Field Bends (Appendix B), (2)
$ v7 [/ O0 `/ L1 D) B/ X( F7 S12-1110 Support of Luminaires) A( p; i# A0 |7 n1 g
12-1112 Fittings+ K5 u9 z5 v6 T% q# l/ F
12-1114 Maximum Spacing of Conduit Supports8 L- {- d9 D& {. N9 Z1 D
12-1116 Support of Equipment5 }: x, o/ [1 c5 W
12-1118 Expansion Joints (Appendix B example)9 e8 p) F1 n: b$ \1 l0 Z
Rigid RTRC Conduit
4 S# i* C' F* ~. f12-1210 Temperature Limitations8 k" m% @/ \7 l, H
12-1214 Expansion Joints (Appendix B)
2 X" }! x% x: x% K+ `; ]Liquid-Tight Flexible Conduit
: x6 q0 r6 Q! g5 q12-1302 Use of Liquid-Tight Flexible Conduit, w7 h" [6 Z/ W& j! ?. @* {
12-1304 Maximum Number of Conductors% x" [$ b! g$ u6 ~- \
12-1306 Provisions for Bonding
1 j; d9 e% k3 z7 g0 q: `Electrical Metallic Tubing2 |! U0 y" t( D! I) o4 p
12-1402 Use& F3 @7 u+ Y2 j9 ]0 f9 t
12-1404 Supports
/ n k4 h: s. [1 k( N( j4 V5 X: S12-1406 Minimum Tubing Size# A) j" j. S' \ `
12-1408 Maximum Number of Conductors
6 r$ h) D5 y( W' ` x) z' {12-1410 Connections and Couplings4 A8 d. @! z5 Q# q8 v
12-1412 Radii of Bends in Tubing( u- r) x8 f% O8 U1 ?! q2 l3 e7 b
N Table 7
* H! G6 v. t, i. U7 k6 @( tElectrical Nonmetallic Tubing
+ |0 d# I7 g' @4 [* ~12-1516 Provision for Bonding Continuity
0 E3 m7 W) t h1 oN 12-15149 r, o7 Y7 U* c+ [5 @! v$ m
Surface Raceways+ A, G L3 ~! X
12-1602 Use of Surface Raceway (Appendix B) G N7 ^/ T( o% Y
12-1604 Temperature Limitations
% j7 W9 _& {8 Q$ Q+ v- X. _12-1606 Conductors in Surface Raceways (Appendix B)
' G# \# w$ l) E: ]12-1608 Maximum Voltage. |6 }; m) ?8 X
12-1610 Joints and splices 1 ?. I) }/ G9 ]7 o" m, h0 c; o
Underfloor Raceways0 \1 x- I; _5 t1 _- u
12-1712 Discontinued Outlets in Underfloor Raceways
0 @" Y% z" w" i. l. J; rCellular Floors" f# g- b" Q0 q
12-1804 Maximum Conductor Size in Cellular Floor: Y) D2 Q Y' E; L: }) d) F
12-1820 Cellular floor discontinued outlets
7 B; b* y" u# }0 g ?# _5 MAuxiliary Gutters
; i+ J/ h3 H' v8 ^( E12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
4 ?$ c6 \$ ?6 Z- B12-1902 Auxiliary Gutter Supports
3 W2 S0 A# D7 _1 I4 Q3 i12-1904 Auxiliary Gutter Cross-Sectional Area
( `) P% U9 v+ k2 _3 f0 _Busways and Splitters- k6 L) C0 s2 z
12-2004 AC Circuits in Busways and Splitters5 d/ ^3 k4 i7 h9 c0 J
12-2006 Busway and Splitter Supports7 j0 W' C' F, \7 d9 B
12-2008 Method of Installation of Busways+ _) j( \# K; T" K
12-2012 Reduction in Size of Busways
& j% r7 e B! e9 I" B12-2014 Length of Busways Used as Branch Circuits
8 Q7 f2 @, q' u% q12-2018 Taps in Splitters; s# X9 `. O4 z
Wireways
" U5 b6 U& }2 J# _3 q$ C12-2104 Conductors in Wireways. ~& J4 ~3 {3 d- \) \
12-2106 Taps and Splices in Wireways! i4 a |+ J. J
Cable Trays
2 p1 v& M. j$ b2 C0 b# A9 `+ g12-2200 Method of Installation (Appendix B). g+ @; G- A* w' W! `5 N
12-2204 Joints and Splices Within Cable Trays U1 w8 e) n( ?: M- ^
12-2208 Provisions for Bonding1 j4 A0 i6 Z$ \: v$ o8 x
12-2210 Ampacities of Conductors in Cable Trays
I% X& y5 F) r q: sInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
7 l% G0 Q6 q ^$ c4 U! O2 Q. n12-3000 Maximum Number of Outlets Per Circuit
; b; j2 e/ z9 p4 @) R+ @' Y KN 8-304
$ A) `& x- y w+ |5 Q. ~12-3002 Outlet Boxes (Appendix B)/ I# l# _% Q7 d/ O6 r* M2 H
N 12-3000
" \* ]/ N( l" q( A6 D! u12-3004 Outlet Box Covers
( H. g: J- P) A. H5 T" mN 12-30025 \& m M. \' [
12-3010 Boxes in Concrete Construction
1 s: k* X- \& l* g+ K8 n8 wN 12-30083 w: J$ k2 n- w$ N" B9 s/ x/ v
12-3012 Outlet Box Supports
, m- T9 T4 {. rN 12-3010/ v# p0 \' m" o; t( B7 E; W
12-3016 Accessibility of Junction Boxes" l( x8 U# T0 ]' c$ G3 h
N 12-30141 X" [+ ? D' H* P0 J
12-3018 Flush Boxes, cabinets, and Fittings T8 o. J* r/ B% ~
N 12-3016
. Z( x" s4 Z; I; i12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 2 f8 U0 g0 ]3 x U- P+ c
N 12-30222 u+ w/ q; H4 J2 P: Y
12-3036 Maximum Number of conductors in a Box - Table 23
5 F& k* q. d- B5 ]+ V& L. p) vN 12-3034
7 w0 D5 o% `* v( E6 c/ S4 z12-3038 Pull Box or Junction box Sizes9 R' O) [: Y9 K4 j' d# c$ v
N 12-30365 L$ b. E1 @5 Q5 B7 V# d5 ~
, n1 H! E7 Z: l) f! ? ~- RSection 14 Protection and Control3 d M& j# o4 \9 u
General Requirement2 a& r! `0 ^2 h+ j! h; ?: L
14-010 Protective and Control Devices Required+ w" ?* _7 }1 a! ]
14-016 Connection of Devices- z) D' \7 |% n
Protective Devices – General/ R& ^& f& @& F1 D* w; ]7 Z8 t) l, D
14-100 Overcurrent Devices Required$ p' L) B# i* L
14-102 Ground Fault Protection (Appendix B)
% |- Q! G+ { v4 {( B14-104 Rating of Overcurrent Devices (Appendix B) Table 132 R9 s4 u; y9 |( O- A
14-112 Overcurrent Devices in Parallel/ y6 d' X9 ]. s: J$ R) j
Fuses3 S( k; U( \* U( g m
14-200 Time-Delay and Low-Melting Point Fuses: c. ?$ }! H3 _. Z6 c" }
14-202 Use of Plug Fuses
. ~, \3 A' L4 I( d! f, m14-208 Rating of Fuses
2 r! B# l9 w: O+ m14-212 Use of Fuses (Appendix B)
! n. g3 B/ Q+ dCircuit Breakers2 ^/ z3 X/ f9 Q; c+ n& P& x7 n
14-300 Circuit Breakers, General
" _; Q. n' L; Y4 @1 A5 S& r6 f$ U14-306 Tripping Elements for Circuit Breakers
% c; s9 V1 B& H! e* R/ L14-308 Battery Control Power for Circuit Breakers
6 K4 h! a4 j& lControl Devices - General
! e. \' ^. Y% O1 \( a2 C14-402 Disconnecting Means Required for Fused Circuits
7 ?! x! l0 w; dControl Devices - Switches
. G% e9 x) p w6 w) i9 m& C14-502 Mounting of knife Switches5 E) X/ h# x+ |8 W
14-504 Maximum Rating of Switches
/ G/ |6 G9 @ z/ [* W14-508 Rating of General-Use AC/DC Switches (Appendix B)2 Z" }! q# q v
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)8 X5 u3 U# X% a( M* z. d
Solid State Devices8 T% E b/ p0 _5 f
14-700 Restriction of Use
' l2 G& p* f/ A h+ A4 B14-702 Disconnecting Means Required, O" Q0 K0 B9 M8 y' g
5 K6 l+ S2 [/ ]: t W
Section 16 Class 1 and Class 2 Circuits& f6 E6 C/ }2 s& x8 b6 ~5 J
General" k0 b) d! Y+ o3 V9 Y0 o6 @" {9 u
16-004 Class 1 Extra-Low-Voltage Power Circuits
}- r0 ^4 }# m4 f6 N4 @( c16-006 Class 2 Low-Energy Power Circuits
! E' l* w9 }$ [; p16-012 Circuits in Communication Cables
! H5 j. }: @1 l s- U) k! M; vClass 1 Circuits0 @- ~* H+ U! \1 N9 |
16-100 Limitation of Class 1 Circuits; [+ W) p. B2 e+ S9 P/ V7 T
16-104 Overcurrent Protection of Class 1 Circuits* [( p* n( W# I3 |6 D( h# ?$ `
16-106 Location of Overcurrent Devices in Class 1 Circuits8 \3 Z" D/ d( d! c: f, x3 U7 ]) G: M
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
0 }; i2 z& M+ O16-110 Conductor Material and Sizes! I u( x* w' Q4 I
16-112 Insulated Conductors for Class 1 Wiring$ X1 O V) b5 o6 `9 U. e% Q4 h& d
Class 2 Circuits
! c! j6 \3 B& q* Z16-200 Limitations of Class 2 Circuits (Appendix B)
' ^3 A8 g5 n; K, K, u; {3 n/ B/ F16-204 Marking9 e" H- c/ y! Y& S% w; Y1 i4 G
16-206 Overcurrent Protection for Class 2 Circuits
2 Y! z& g: l& Q/ a) _$ d16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
% z5 k% _3 @, L, i9 u3 i+ R6 _( P8 `- xELC: extra-low-voltage cable& z3 k! J. i. ^
16-212 Separation of Class 2 Circuit Conductors from Other Circuits
# s4 D/ z6 M2 z7 U, h- x$ m- d1 S% P! O8 u6 b1 W
Section 18 Hazardous Locations+ y* e2 G) j3 Z, b E2 S* v
Scope and Introduction
' V1 k: p, w* }# S. O, G6 R% t18-004 Classification* C. S6 v; X5 G' R! A# v9 D
18-006 Division of Class I Locations (Appendices B and J)
( Q$ s& p3 W- ]0 T9 Z+ I6 R. m) O18-008 Division of Class II Locations (Appendix B)* y7 M0 V$ C- `3 c: C
18-010 Division of Class III Locations (Appendix B)
) r/ B2 p' H, ^8 |# Z" a1 m+ FGeneral
( E: [- K: h) _7 o$ Z7 L) s18-062 Metal-Covered Cable (Appendix B)+ _: I2 h$ z" E+ T6 l
Installations in Class 1, Zone 1 Location
& g: X6 d& v; w: R/ B18-108 Sealing, Class I, Zone I (Appendix B)
6 Y( K5 e c3 w
9 w( G- L+ o' K7 j5 q7 NSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
5 b5 S# E, o `9 ]% WGasoline Dispensing and Service Stations
% a! ~& m; ?( p, ]20-002 General/ d1 }6 L8 Y' v' F/ k- O4 j6 t9 S
20-004 Hazardous Area (Appendix B)6 M- q0 q, d( z+ e8 V& S8 o# |% |
Propane Dispensing, Container Filling, and Storage3 r; v! ]1 l( o/ K* j7 x; D
20-034 Hazardous Areas - Table 63
" p# W+ M4 e3 \: V* dCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities1 o$ L4 c6 G- N; A4 |
20-062 Hazardous Areas9 ]2 v7 h1 K2 i, \
Commercial Garages – Repairs and Storage$ y1 p' y9 x. L# E' s( i# ?
20-100 Scope' d3 X" V- ?6 b' D4 b
20-102 Hazardous Areas (1)
3 O- i2 k" k8 R' p' \7 [
6 y* B$ R4 V. R0 t( Z. C7 i bSection 24 Patient Care Areas
/ n( h2 g+ j7 u( A% Q24-000 Scope (Appendix B)% }1 K# Y1 V! U$ B' i& h* g
24-002 Special Terminology (Appendix B)" ^& [! |, X; M, K. k
Patient care area
7 C" D) J+ c5 ]" \7 j9 m# j' W6 RPatient Care Areas( Y( `) z, Y2 r4 Z3 b7 ^+ x4 t
24-106 Receptacles in Basic Care Areas (Appendix B)
9 B6 f. n. V" V" _Isolated Systems
6 j* D5 n- @; \/ g9 _+ |24-204 Single-Phase Isolated Circuits (Appendix B)# ~ a( n' s# L. h P5 m$ n2 g
24-206; N1 ^$ k7 A2 F* X+ j p5 T
: I8 l! x6 ^7 ^! }/ _5 ySection 26 Installation of Electrical Equipment
3 @; t( M+ Z3 h+ o9 f) Q% XGeneral0 {4 x+ B8 L6 V/ c3 p
26-004 Equipment Over Combustible Surfaces (Appendix B)$ V! K5 `# I1 ?. Z6 ?( R, Q
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)# n$ [4 _* X" ], B% ?7 h0 ~* `
Isolating Switches
- Z* ~2 f& ]! `9 ?) m# ~26-100 Location of Isolating Switches x# U2 y# m6 ]
Capacitors8 E" ~: X/ W6 ^) \; z
26-204 Guarding of Capacitors
. D' n& ?% p9 l26-206 Grounding of Capacitors2 h: X# v- H& ]% G6 {
26-208 Conductor Size for Capacitors: O- V- r6 f& M! F2 T
26-210 Overcurrent Protection (Appendix B)
+ N6 @" r/ {# x9 I1 N8 E26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits8 U& F' ?' d# E8 }7 M
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
$ P/ {! K4 U# H9 Z26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
' \" w2 `" s1 M9 _6 j% G26-218 Special Provisions for Motor Circuit Capacitors0 n4 w% }: C' o' Q2 C2 }$ D
26-222 Drainage of Stored Charge of Capacitors6 s8 D5 T6 Q2 ~1 b
Transformers
: K$ s6 ~6 ^& t1 L" N1 M# }* X26-240 Transformers, General
5 R, w7 F* X# } V/ x3 ~' U26-242 Outdoor Transformer Installations0 d) O8 e8 v* `# Q' ^
26-244 Transformers, Mounted on Roofs (Appendix B)
/ \* m* \; z1 v5 U26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
% H/ B3 a" J7 C- H, h26-248 Dry-Core, Open-Ventilated Type Transformers6 g1 O4 }, l/ }3 U
26-250 Disconnecting Means for Transformers
* ~) d. d* c" l) _* p26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V& b" w: D* M+ V1 p2 j
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
7 n. E; |. [5 g7 y; \26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)# I" U3 H- F1 H0 p1 M
26-258 Conductor Size for Transformers
) W! Q D9 Y u2 g7 i0 m C26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)/ i. y% v1 V9 J( {" w0 ]: [
26-262 Marking of Transformers
' P; |, y m$ @, X; w2 L26-264 Auto-Transformers
& ~8 {0 z7 f7 j; C i; aFences' _$ f0 J1 ]" `: ?- c/ C) G, q
26-302 Clearance of Equipment - Table 33
) R0 E2 T' h2 O5 k. iPanelboards
7 Q' v! t" M: r6 L0 A3 T/ O26-400 Panelboards in Dwelling Units (Appendix B)
. Y2 Q1 L4 s7 L! y9 o' n2 f8 ~26-402 Location of Panelboards (Appendix G)
7 y. y! {: g+ h- F& P3 eLightning Arresters
' h, q1 n8 Z9 Y$ F26-508 Connection of Lightning Arresters) n, R; k! P7 E4 M# t
Storage Batteries6 `% ]' l7 M9 `' U. F+ s8 {
26-542 Special Terminology+ L2 }( u I" o+ _" i( ?" h
26-550 Battery Installation
/ Q, R$ N4 k( [4 d! F8 [26-552 Wiring to Batteries& z% K" c$ g C! P m
Arc Lamps
6 ^' `- j: h2 T$ x. N# p26-600 Location of Arc Lamps
3 o- {- t" ^3 \2 m26-602 Conductors to Arc Lamps& j6 x E) p. U6 O" ]9 H5 M
26-608 Globes and Spark Arresters
3 P* K5 y4 Z6 | e2 b, QReceptacles0 \1 g% X8 k$ w; y W
26-700 General (Appendix B); d; ~+ J* ~- v7 F
26-702 Receptacles Exposed to the Weather
7 F& d6 R' e1 AReceptacles in Residential Occupancies
/ Z- V8 C. Y# P26-710 General (Appendices B and G)' {# Y# z9 i( a, ~8 i, V
26-712 Receptacles in Dwelling Units (Appendices B and G)* O6 u5 s) N2 ^4 R/ l
26-714 Receptacles in Single Dwellings (Appendices B and G)$ H* k9 K# ^- t! z1 d
Branch Circuits in Residential Occupancies' a$ S- N3 E2 e- f
26-720 General- _4 J& G4 h/ o
26-722 Branch Circuits in Dwelling Units
9 e+ Y: W# z2 s9 V: q1 _5 x( @26-724 Branch Circuits in Single Dwellings
" [4 Q* N. Z9 A3 a26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
1 F6 C7 |; b# j% S" |9 r7 v" qN 26-720 (F)
4 e. r7 c+ X8 K' CElectric Heating and Cooking Appliances
: R4 {3 [. ~; j, w, m6 W* N26-744 Supply connections for Appliances/ `' A% C+ q1 `" [4 G& F
26-750 Installation of Storage-Tank Water Heaters
2 T. A) B( p1 V' A* E+ M# d% i: @26-752 Infrared Drying Lamps
% h2 O$ M. S i$ b* |/ B
* Q5 c$ V M0 p0 ?Section 28 Motors and Generators, Q* I( E1 s* B' G1 x1 K- ^; B
General
9 W5 Z4 v' }. f. U# }7 a0 I, x1 _28-010 Special Terminology
2 J& `$ i, i! [; k$ l; V# r. s$ XHermetic refrigerant motor compressor' f" ~9 e( {0 N$ `/ o/ W/ L
Locked rotor current rating
/ B2 Z" b4 y3 FService Factor
6 X$ s& l6 N6 t/ q. c0 p: L0 @6 V8 `Table 44; Table 45; Table-D2
) b4 T2 O& [/ P5 vWiring Methods and Conductors4 i' p' I0 b: f+ R3 K4 U
28-102 Portable Motors
/ f% ?: U4 _$ k7 p! k. t. \; {28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
7 r! D: S% ] ~3 O! i3 V! ^% D28-106 Conductors, Individual Motors
3 {$ K( J" `: I! M9 |28-108 Conductors, Two or More Motors. R$ d9 h& v A( E. G" E
28-110 Feeder Conductors# l3 N$ W* S( Z# ]& o' c4 c
28-112 Secondary Conductors4 ~3 S6 j' w$ g' M
Overcurrent Protection
# o6 n( h2 _$ u* _28-200 Branch Circuit Overcurrent Protection
8 Z, H5 p) g1 M, H& _9 h28-204 Feeder Overcurrent Protection
: H% ~; d9 p7 ~* w9 ~* Q7 t6 y- Y28-206 Grouping of Motors on a Single Branch Circuit2 l" _+ p/ [# d" i2 D
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)9 J. H' w5 Q( j
Overload and Overheating Protection
; Y! s" X% c0 w# q/ V28-302 Types of Overload Protection
3 ?$ v0 j6 z; W1 f5 Y- m. a28-304 Number and Location of Overload Devices (Appendix B) Table 25
6 H6 b! \/ x, K$ B" y28-306 Rating or Trip Selection of Overload Devices (Appendix B)
) P4 S4 g7 M. ]8 v, N# U4 y28-308 Overload Protection Not Required
$ y! ^3 Z5 k- bUndervoltage Protection * L; A8 k0 ~# j0 P' B
28-400 Undervoltage Protection Required for Motors (Appendix B)
' z( u) T! {% E; c( G' k1 R; PControl" U- |( B8 ] t& ]
28-500 Control Required
) d3 l( p3 u4 m% q7 N5 J28-502 Control Location
) K- F" j# c2 m9 h3 U28-504 Starters Having Different Starting and Running Position; B0 d$ X# Q( C6 U/ L& e
28-506 Grounded Control Circuit* b5 ?8 l8 S" x4 L
Disconnecting Means
9 [- Y8 t. H1 u" P28-600 Disconnecting Means Required
- g, }: u9 C$ F2 _7 U28-602 Types and Ratings of disconnecting Means (Appendix B)- _$ |( L( y: h3 F
28-604 Location of Disconnecting Means
: p8 O4 Y7 f$ k3 O6 s0 [* r0 _ Hermetic Refrigerant Motor-Compressors; o' i" N) v: a) c5 a
28-706 Conductor Ampacity
f6 N/ n0 n/ l9 W3 j28-708 Overcurrent Protection
! j% v$ t3 R9 [28-714 Disconnecting Means
9 U- q8 @8 S; n* C: W0 [Protection and Control of Generators! t V7 I+ ~: c, J0 N5 h, ~
28-900 Disconnecting Means Required for Generators
7 G8 S5 A7 S5 N. y3 V) l28-902 Protection of Constant-Voltage Generators
3 a, Q; J- x/ ^' f9 A, ^0 t28-904 Generator Not Driven by Electricity' H: q+ Z# f8 r! X, _8 {0 M
28-906 Balancer sets- K+ ~: y+ {0 y
28-908 Three-Wire Direct-Current Generators. x6 ], U& w9 K& g; u& R
$ j7 r% i" D* v4 H' G9 {( `8 HSection 30 Installation of Lighting Equipment* _* G3 r. U& Q, S" U0 l
30-002 Special Terminology (Appendix B)* s9 r- G g q) M. {, D3 c
General7 h$ Q$ t, G' f6 t
30-102 Voltage
8 z6 v' y- e/ Y' `30-104 Protection (Appendix B). t9 O/ R2 t* S, T" P) f0 a
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
' q$ X( P$ |- }! i30-108 Polarization of Luminaires1 q* r) \5 l8 E( i5 n B+ u
30-110 Bonding of Lighting Equipment
* m+ h) L$ [( N$ r3 A) X; i- hLocation of Lighting Equipment# L4 K% I# z1 l$ {2 N, o
30-200 Near or Over Combustible Material
" q0 B8 `1 i; J# |9 N% x& H30-202 In Show Windows
8 R3 I( d/ A5 X5 V/ D" ]8 q% [: U30-204 In Clothes Closets( |+ C* Y# B7 O, N3 V+ ^! z# h3 w
Installation of Lighting Equipment
3 R1 h) B- @ d7 s30-302 Support/ o0 S4 o3 v7 S
30-304 Outlet Boxes to be Covered
) y! Z% |- N5 A) ?9 I2 Q30-308 Circuit Connections- ^ O5 E: {9 j* L: v) l; \) x K
30-310 Luminaire as a Raceway
& J/ g) o0 k) U* J6 \9 e30-314 Minimum Height of Low Luminaires
2 [+ R' u/ D4 |$ y6 Q: W; l30-316 Luminaires Exposed to Flying Objects+ `6 c1 K9 G2 U. @
30-320 Luminaires in Damp or Wet Locations
3 K0 A0 z$ k5 ?7 G7 \3 @7 QN 30-318
n- q( j: T; g5 m( qWiring of Lighting Equipment
0 h6 o6 D z( c6 X: l |30-400 Wiring of Luminaires
& ^& J# }) m$ j% }* t2 f, ?# A30-402 Colour Coding
+ e% a3 x4 J; C( h) p$ t30-404 Conductor Insulation
6 G/ ^6 s9 d- d7 u" @, m2 o, v30-406 Conductors on Movable Parts. t/ H+ d8 d# T
30-408 Wiring of Ceiling Outlet Boxes) }2 D# _, Q( }: n# c5 o2 {
30-410 Wiring of Show Window Luminaires7 f& ?/ t7 F9 q, T
30-412 Tap Connection Conductors' W3 e" T' h; r4 X6 c
Luminaires in buildings of Residential Occupancy
4 [3 y% t3 [0 p. f8 L30-500 Lighting Equipment at Entrances (Appendix G)3 y3 T) R$ ?8 E$ s
30-502 Luminaires in Dwelling Units (Appendix G)
% B$ Y0 X& A; R [30-504 Stairways (Appendix G)
7 M4 K K; z- _! z+ @30-506 Basements (Appendix G)9 {5 O6 u4 Q' L9 t$ B! d
30-508 Storage Rooms (Appendix G)
. {2 _/ C, z: E$ M' K7 o; [& I: S- l30-510 Garages and Carports (Appendix G)
- u* O8 b: h; g1 Q w. wLampholders7 t1 ~6 _! T) c& Q% |+ `6 f
30-600 Lampholder rating with Incandescent Lamps% U5 E* I9 ]* P$ l$ Z1 E
N CANCEL
+ \' G4 Z4 b6 @2 [30-602 Connections to Lampholders8 P6 L; }0 ]4 I' q# H) d3 {
N 30-600& `' E* j4 e# F5 ~% u, L
30-604 Switched Lampholders Used on Unidentified Circuits( p4 Y' k: m$ i5 m) L8 r4 k
N 30-6025 o* S& V; U8 a @
30-606 Switched Lampholders with Pull-Type Mechanisms9 ]$ o- i: K9 r8 F# a
N 30-604) V H, Z: Z" N+ F
30-610 Pendant Lampholders- Y6 O+ J h$ z7 X/ x5 g7 t( c+ l
N 30-608
* \. X4 N6 u- L1 N% y; VElectric-Discharge Lighting Systems Operating at 1000V or Less. m, {+ @' {: x7 O
30-710 Control (Appendix B), `( M% t S8 A* ~3 ^ ?
30-712 Branch Circuit Capacity g/ P4 M; M9 Z6 D# ~0 y% z
Electric-Discharge Lighting Systems Operating at More Than 1000V
: p$ e- O( X; V% Y$ r: l+ f30-802 Voltages, Dwelling Units) H: ~4 ?( L8 F- x, N) g
30-804 control (Appendix B)
5 c4 s4 u9 D* R2 Y ERecessed Luminaires (Appendix G)
7 K* x, }, x3 E4 G2 ]1 M0 L30-902 Spacings for Non-IC Type Luminaires
) o. H- u$ F; \1 m: y30-910 Wiring of Recessed Luminaires (Appendix B)' W( v E/ q& A/ s0 @ u0 V
Exposed Wiring for Permanent Outdoor Lighting
1 |# V5 x6 e3 h2 W% h0 N5 Y30-1120 Branch Circuit Loading and Protection
0 |+ v; w; h* ~4 a* t; f; VExtra-Low-Voltage Lighting Systems
8 T9 R7 R8 E! J o( ]# u30-1202 Sources of Supply
: [( O6 U3 r" `1 [, n1 c( P9 ^0 [# f0 v0 Z) f9 [
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
( O/ I3 O' b1 p/ O% g) n2 MFire Alarm Systems/ R8 [9 f6 e/ \% ?7 R; Y4 N
32-100 Conductors
% w, ^1 |/ A7 o32-102 Wiring Method
" b# U/ O, c3 u32-104 Equipment Bonding
& l! k5 I1 P. ?4 q( a32-106 Electrical Supervision
; [& i5 P6 s6 y32-108 Current Supply
) s' ^$ u$ b6 C/ a% `) |6 y32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
- q( g" T. h& Y9 @: k; z3 NFire Pumps* Q1 {4 K* m/ ]1 q
32-208 Overcurrent Protection (Appendix B)
' J, M3 Y# B1 i9 p* v6 ZN 32-206
" h8 \ f4 K. I B/ T- C6 ?32-210 Overload and Overheating Protection (Appendix B)2 O7 K% F6 B' U$ L1 ]
32-212 Ground Fault Circuit Interrupter (Appendix B)0 n; Z. M' T! u% }. Z9 e
' e# M- i* u, n" O6 e, P& xSection 36 High-Voltage Installations9 U7 J5 c- C* j8 }: }% b5 m/ S+ G
General0 R) F: B' U+ p4 w$ _* j
36-000 Scope (Appendix B)' Y3 y. k9 F+ `; h1 }2 u( `
36-006 Warning Notices
3 c, o" o, g$ R2 H" IWiring Methods
/ _: O1 M8 _3 ]% c7 t36-102 Radii of Bends
' P- K" @( X) N0 h6 Q0 [36-104 Shielding of thermoset insulated conductors
+ r5 G5 q* z$ F. f36-108 Spacing of Exposed Conductors (1) table 30, table 31
& B2 `& f+ [, L! X- k- Z2 f+ Y0 x36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 340 p3 k5 p( Q* Z0 x, n$ y
Control and Protective Equipment6 E" a" y& a" P) p
36-214 Disconnecting Means
0 ?# o- [# V* N Grounding and Bonding
* g; K$ F# T: v. M W- A36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
5 D) Y- P( {# `# s36-302 Station Ground Electrode (Appendix B)' ~6 p$ O% h3 {- @" q
36-304 Station Ground Resistance (Appendix B), d: I6 D( q& r0 x: }
36-308 Connections to the Station Ground Electrode (Appendix B)& q0 A2 y7 {- o8 \
36-310 Gang-Operated Switch Handle Grounds
6 _8 s0 `- O: c36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
3 x1 u% U0 Z% f: @' L6 D/ R2 j5 v. [4 k8 q& n' ?5 Y
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
0 r/ i0 @) @( b9 J e+ @38-002 Special Terminology (Appendix B)# b2 ?( _" S( H( x
38-003 Voltage Limitations (Appendix B)
5 E9 ?5 \- t! f* A8 @6 m# l/ Z38-004 Live Parts Enclosed
- [0 g, I: I7 l: ?38-005 Working Clearances# ^- z! l1 B3 _0 \
38-011 Insulation and Types of Conductors
! i( a3 `# s& j9 j' F, B; X38-012 Minimum Size of Conductors
) h' t. \; \0 I/ K- k) k; M9 n
+ z; R1 \6 x+ ^6 t' Y8 l6 x7 CSection 40 Electric Cranes and Hoists
3 s8 b9 c* Q8 O1 R+ k/ e3 F T/ C" e40-008 Disconnecting Means
x/ i7 z+ {, K$ J+ V$ D40-010 Main Contact Conductors
) Y t( O, m, B4 @
3 l: Q8 F" R1 n# H- XSection 42 Electric Welders
6 P/ ?) K4 r; F) fTransformer Arc Welders Q! C& @$ \' h2 a) W0 J# _
42-006 Supply Conductors
& M( ?( b6 w1 C( E
: b0 N. C8 e0 jSection 44: Theatre Installations9 {1 Z; x$ v8 V) S4 M6 k
General
& A3 i! b7 |% {! q* }0 R44-104 Number of Conductors in Raceways; z n/ Q- g# P
44-106 Aisle Lights in Moving Picture Theatres
' \" {7 f# H$ r- |" y0 GFixed Stage Switchboards
# ~1 V7 t% Y& @44-210 Overcurrent Protection
* i) ]9 G8 g0 P. V1 lFixed Stage Equipment+ M& e& D" s* X8 @$ c
44-324 Receptacles in Gallery Pockets6 ?. M2 N2 m$ p+ r! v# _
44-326 Receptacles and Plugs
) h2 g& x5 s( D. J
, `* h( M) Q6 |3 eSection 46 Emergency Systems, Unit Equipment, and Exit Signs
) u% A* \$ N1 H$ x6 v+ g/ u) p1 aGeneral
, n o/ a6 y% c. ~9 f6 {46-102 Instructions8 b8 b: @: D2 B+ s0 |& r) W" g
46-108 Method of Wiring (Appendices B and G)
+ m( H0 c4 y9 kEmergency Systems
" l6 t, Y6 ]: E0 _; g7 J8 @' h# S46-202 Supply (Appendix G)
0 s# B0 U* O" l% t46-204 Control
4 j5 y. w" r* B" [! G }# h46-206 Overcurrent Protection& w9 b' Y {0 V
46-210 Remote Lamps
% |1 n* ?4 T( E. zUnit Equipment
3 H# k6 J; E$ c0 B6 P46-304 Supply Connections
5 }% A! H, Y. Y% w' B, L1 l46-306 Remote Lamps (Appendix B)
9 _7 l" T1 y: Q( GExit Signs4 Y; Z. s; G# ` T7 s2 Z
46-400 Exit Signs (Appendix B and G)
6 q7 Y+ o+ b* E3 l" R1 b
& K8 s# g" ]- q: U& F& Q v. e5 D* A. iSection 54 Community Antenna Distribution and Radio and Television Installations
) q: X' P7 c* Q9 ]$ ~& l54-000 Scope
6 Y* l3 P1 D, |4 A: s" L) ~! H54-004 Community Antenna Distribution (Appendix B)+ M$ t/ M. p' r: k; O. ~
Community Antenna distribution# X7 d, m: w( f8 ~. l: D* ~
54-100 Conductors$ k2 ]! m3 }4 ^% V2 w
54-102 Voltage and Current Limitations (Appendix B)
% B& ?) N* R" _) f: aProtection
3 {1 T9 t6 u d0 ~54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
3 O$ z) s1 o+ \/ M- O& @+ o E) dGrounding! p) g6 Z% x# r- L. ]& P
54-300 Grounding Conductor7 |8 P2 b- i. B% t v3 u$ e) E
Conductors Within Buildings
: a" k4 t. C* i+ L0 k' _54-400 Separation from Other Conductors% `, b/ Z" u9 S% u# G6 P
Equipment5 K7 d2 P( i9 e+ O1 H0 h
54-500 Community Antenna Distribution Amplifiers and Other Power Sources
: S7 H7 O5 h2 A+ T; `4 W54-502 Exposed Equipment and Terminations
' ~. ?( G R% ` Z. @6 T! U u3 j* |3 |' u* h' ~
Section 56 Optical Fiber Cables
, i9 A7 @8 H, i& F+ _! L4 FGeneral
0 b7 d5 O* ~$ D; J. t- c56-100 Special Terminology
) W* E2 U3 y3 z `8 V56-102 Types! Z; q& O- Y0 ?7 W% b
Installation Methods
$ }1 Q7 b1 G7 k9 q3 P" q56-200 Nonconductive Optical Fiber Cables (Appendix B)
% {9 k, n$ E$ s" h4 |- @- ]56-202 Conductive Optical Fiber Cables (Appendix B)
, x9 {/ ~* f% W9 y0 F7 j56-204 Hybrid Cables) A) g6 H7 d) }! W a4 S
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)# a/ C! U) J7 @& ~
( [. Z3 }2 S. WSection 60 Electrical Communication Systems2 r9 J3 \, o. N+ \ c7 S+ E
General
9 @! m4 b' Y- l60-100 Special Terminology
* l3 Z, }1 X: u0 @( o- CProtection
7 f) V, R7 ~. H6 z! @- r# ?+ y3 O60-202 Primary Protector Requirements
' r- _! A8 W' D2 N j+ }0 YInside Conductors
1 B, y; V8 D9 C60-308 Separation from Other Conductors
* [2 Y- l* ^: A% s: VEquipment% g4 _9 k. [' t
60-404 Exposed Equipment and Terminations& D+ i6 w3 U$ q; g4 c, f! X1 W
Underground Circuits5 X* [/ X2 ?, N6 h: j
60-600 Direct Buried Systems
! ~ N/ h4 r7 A* i8 X: r, @) g! Z
. l6 l: @3 l; x. H( t% e ASection 62 Fixed Electric Space and Surface Heating Systems
" W u+ j0 K- H' @* BGeneral$ B) ?- k, k! B; c- h
62-102 Special Terminology2 Z: w% R! ^% r3 W) x: O3 x& x
62-108 Branch Circuits
! c3 D6 b5 Y4 T2 l8 f" R62-110 Installation of Fixtures( G% h! ]) Y9 a3 n8 t& {
62-114 Overcurrent Protection and Grouping (Appendix B) (5)/ L, U. v) @/ u9 O& O# N
62-116 Demand Factors for Service Conductors and Feeders (2)
+ U5 l1 g w) J* E62-118 Temperature Control Devices* Z$ Q" @4 W3 ?, R
62-122 Installation of Series Heating Cable Sets (4)(7)# w8 J9 L, _, Q# w6 W6 ~. I# m) P
Electric Space Heating Systems
7 ?$ C- e, @7 [- u62-202 Temperature Control# t2 ~$ f. Y+ B3 h& `7 }; F
62-206 Proximity of Other Wiring (Appendix B)3 b! |; ^. n; k6 H, `; v6 d
62-214 Installation of Heating Panels and Heating Panel Sets
/ j5 ]% F- I4 {6 M62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
5 l/ O m7 r0 i, N62-226 Installation of Under-Floor Covering Heating Panel Sets G. Z$ P, ^: X$ y( p/ z$ C( F
Electric Surface Heating Systems7 j: |6 J8 ?5 {6 x: G6 [( z4 Z: |- Y
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface4 U( q! _# ?* t6 J
2 _1 ]* q/ L0 C8 d
Section 68 Pools, Tubs, and Spas; s3 g V) x" h. D. J: U; u
General
. }3 ?$ P% ~5 y2 M. Z w4 n68-050 Special Terminology
& t9 s( {! c1 ^# K, X% k# o9 I68-056 Underground Wiring - Table 612 M& m t! O! ^( D3 t
68-058 Bonding to Ground (Appendix B)7 G% t6 Y- m+ `6 K) n0 G& H0 k
68-060 Junction and Deck Boxes (Appendix B)1 i. E6 r/ x# E
68-064 Receptacles
) B& j0 ~5 w* `68-066 Luminaires and Lighting Equipment
7 P. }/ |# M5 w$ ]% t68-068 Ground Fault Circuit Interrupters (Appendix B)
& {4 W1 I8 W( {: P" r- A. o1 W0 a% X. [
Section 70 — Electrical requirements for factory-built relocatable structures and 1 W Z: S8 A5 h
non-relocatable structures) v4 b l( g( C& _
70-130 Tests (see Appendix B)+ {; K8 F+ a* K: F3 b& `
. r/ R1 h% j9 _- P c7 XSection 76 Temporary Wiring (Appendix G)6 D4 k3 G: Q* `" i' N, a" K
76-004 Grounding7 ?& E* Q# a) ~5 q, ? f
76-008 Service Entrance Equipment
/ V6 n+ ?4 \- |3 W* @" FN 76-006* O% a E2 e. R! a, r2 D$ M0 t. y
76-014 Branch Circuits! \1 I; E8 K5 u6 e2 L+ U
N 76-0129 \4 y+ g8 W: P! O. W: h3 y, Y
! }9 k! A7 L3 k) ?
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours! N/ k0 d' K0 R( G9 B* o
Marinas and Yacht Clubs Y( e: a7 _7 u; ~% R
78-052 Receptacles0 `7 }1 {* E D
78-056 Feeders and Services
: c# R& B( J. `+ k$ aMarine Wharves, Structures, and Fishing Harbours
& X' e! q+ _2 Z7 b: W78-106 Grounding and Bonding
8 _8 X q8 ^* {8 U0 _Tables2 d) D5 @4 q: s% ^' h; `) p
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. v; `* x, C6 C5 }9 _5 R
0 [+ m+ e1 Y: H" HDiagrams: 1, 2, 7
1 {" j v. o9 b
; V: S& a8 j& ~5 ^; wAppendix B& X, @) @( N+ N
P352: Ground fault circuit interrupter- 6mA( d$ A) k9 _5 ~) ~0 d
P354: 2-126 FT1, FT45 X3 g9 ?* f" a
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)8 u, [" L( E- x
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)
; Z5 L# i A) U, ?) p' JP370: 12-1012, 1118, 1214 Example:8 l+ z7 c3 f% T8 N8 w! X9 ^
P371: 12-1108
) z6 ` v3 v6 A( Y9 PP381: 18-108(1)(b), 18-158(1)(b)0 q. Y; F, g# t: h0 w5 F' b( J
P386: 24-206
9 Y" u K+ U1 R' I2 G0 NP389: 26-256
* h d6 t8 r4 @# o) f8 \, ~6 eP391-P393: Section 28, Example to determine Motor Conductors and Protection6 ^& E3 ?1 n# S* _
9 J. F" h& n3 qAppendix D* `0 |- Z; e6 w1 U, I
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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