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Canadian Electrical Code Review Guide
: r4 I' { l, m6 o- FFor the Exam of Electrician For Red Seal License; K- Y1 ]$ _2 @% N" D) n1 o
- M9 Q+ B- ]2 [+ `; Z4 b
Lesson One" z9 b& u' }6 _( |/ J8 }
Section 0 DEFINITIONS- Z* f" |& `1 {+ D' u; }
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
: G' g' j/ c4 X# t8 ?Accessible as applied to wiring methods
& |. |0 f( o7 q; q! j }Alive or live
/ A7 ?: Z c1 ~4 o; N2 \Aluminum-sheathed cable
1 j" y& Z2 L# P- P* Q3 m+ GAmpacity
( T/ S5 C& V6 d; [Authorized person l" M8 g" a2 R. N% o" Q9 t G
Auxiliary gutter
6 c$ P8 R- I) Y4 L$ aAWG
5 e8 o9 q1 \( CBonding
y% D' W. |: o* SCable tray
8 m% l2 t' X, R/ V$ b" Q$ g! {Cellular floor! K8 e. v1 W0 w9 h4 x
Branch circuit
k2 A) N0 k* CBus
3 Q) V* Y7 M: O. B( ]# ~Busway
& u- O& ~* J& K7 UCommunication circuit% l2 M' g* Q. Z
Extra-low-voltage power circuit
& W) \8 h: w9 r$ y( n: a; O+ JLow-energy power circuit W, C2 F2 T0 H
Multi-wire branch circuit( S. \ e' M. Z \) j1 Y
Remote control circuit r" y0 P6 X, T- T0 e8 U
Signal circuit
) f+ M8 ^3 f; |5 Z' k7 j* i8 C; u1 WCircuit breaker4 B( i& ]% [6 @" j; I
Instantaneous-trip circuit breaker
6 i8 g( Z4 C# T: U+ C( |$ yConductor. [1 T3 t7 r3 D" b4 I3 u
Conduit
2 S# P% R: g% ]! V$ m" ]( b: l Flexible metal conduit
+ u# t+ n5 K) w& C7 N Liquid-tight flexible conduit( {7 E) H0 W1 K% a# h
Rigid conduit- n" J) R3 s! Y2 b8 @& W
Rigid metal conduit
y' J$ N9 v, W7 n K Rigid nonmetallic conduit. _- O& f* ~6 a. Z# J
Rigid PVC conduit2 N) h. D2 R( w% ^- p9 ?
Connector8 J( P$ E8 L; q8 _) b
Box connector3 O( v! c6 R Q/ T
Wire connector# U: t% Z+ x! W
Controller' F+ i2 W2 T" q* s \$ p- a* S) u1 \
Disconnecting means
0 }: e% a, m! w" n" iDust-tight
- D; x7 y1 W7 ]: }* Z% ADwelling unit
0 O& J. A' t" F K; AElectrical contractor
, x; Z( p& V8 S' I# ?* I- ^Electrical metallic tubing
' y9 R/ t, _. m, _0 wElectrical nonmetallic tubing
& D) ~. J0 Z8 h7 L1 P" d' nEmergency lighting
- Y, s/ Z5 o) I% p' i& t7 D- iExplosion-proof
! a/ i/ W" e" M5 ]6 L! k8 z6 }Extra-low-voltage power circuit* }0 g& W- } D4 m
Feeder3 y a7 t u& M2 }) w+ d
Flexible metal conduit+ H+ @) Y% ~/ k8 l: Y! K/ U
Ground
' U3 I! d4 k% v4 l4 lGround fault circuit interrupter
$ v$ o# u' b- \. y+ ?) r0 UGrounded
& k' u+ X& [) B; FGrounding
' i5 q3 Q; J8 Y8 HGrounding conductor; r5 I, X3 G' T- P" l
Grounding electrode
" y R1 F- K* a) }7 b8 C3 CGuarded/ t2 O( L$ @( }% ]3 I- y
Hoistway1 Y3 {* B2 S: L0 I/ T. |1 j" b3 h
Identified! w% P/ t( j- a7 V
Lampholder
( `$ C7 V1 V% @1 \3 y8 ^, {; JLow-voltage protection" N7 R: f! @% E$ f
Low-voltage release
/ |" u( {/ N& H' h. JNeutral) @( C1 u; ~0 c5 f% V; E$ ^
Noncombustible construction
" c, R: d+ x8 V+ i: }9 G+ D7 xOutlet$ g8 I2 o q9 `) i& q7 }
Outline lighting; x/ u' k8 V5 K8 x( k/ k; p
Over current device( X' a' @! O" d7 \
Overload device
! F- [* ~% q. n8 A. F; |/ d4 p2 HPanel board. l8 P' }0 Z# O# u( w3 a9 B' M
Panelboard, enclosed6 r) z1 d0 m0 P. b/ t" Y
Permanently connected equipment
0 k/ |- b3 `; a) f0 A g' SPermit' L* u# c8 P% G! S
Plenum
5 r( [ J% O1 U9 V4 PPortable as applied to electrical equipment" a% {6 I( M( ~* ]" j1 C
Portable ground fault circuit interrupter
6 {% |# x4 [" Y! k3 MPower supply cord( I1 d' ~1 K' ]) U0 `
Raceway
, X! I" U; v" uReceptacle% o7 V1 K7 h' r4 a" [
Duplex receptacle) e% ^2 o N. y6 P
Single receptacle1 n& q$ F7 Z0 c9 h2 E
Split receptacle$ C: q. T' K( B, A" Q6 ]2 _
Service, consumer‘s
$ P3 Q: q5 r- w5 LService, supply+ G; Z+ e+ ?* H7 n2 W
Service box* x3 n5 z5 g+ q. b% y+ f* J2 v( `4 o
Service room9 X- e8 ^. T9 m# c9 ?/ h+ a
Single-dwelling
0 N7 X: T7 _0 ~) s8 a) y5 d& c# T7 o5 dSlow-burning as applied to conductor insulation' B3 r( b) j. O3 S) P. g M( b
Splitter
6 @( K3 Y m @/ e: Y; N# R' PStarter6 P9 l; q. L" X/ ]6 X& L* c
Switch
2 |/ Z7 `! p$ U2 ~- P General-use switch7 |, u9 d7 y4 c% s7 X7 H4 u! z
Indicating switch
, g0 H. _! W! P3 f! j5 ]0 r* }8 M- v Isolating switch
A# ^- K+ N8 F Motor-circuit switch
: O2 G2 _1 t/ [System# d0 S5 O. `, n% @8 b2 |6 R
Communication system
4 r4 t$ D$ D- I3 i Community antenna distribution system(CATV)
2 W. ^3 l: e7 z2 C Grounding system6 d; e! o* C2 t( S1 g, C
Underfloor raceway6 v. G4 P! p" E& }3 O/ o
Voltage:' D3 x) }& v+ v/ C; F
Extra-low voltage
( D. O( G5 A+ ?) X High voltage
2 K, [0 [& X/ |* y Low voltage
+ d4 f: V, ]# t, L6 XVoltage of a circuit
2 x, l) N$ m0 _9 l6 G/ ?" \% q% \Voltage-to-ground- B+ l' z8 F6 U$ H- ~9 }0 }
Wireway7 d/ `5 F1 _! C' v9 U
7 |+ i# \" k: X8 k. ?Section 2 GENERAL RULES- e' h9 @* M. ~! O$ j
Administrative2 t* `; P% k+ T% Q
2-018 Reconnection! V5 t* k! C2 k. M
2-030 Deviation or Postponement/ s7 H2 L ^" g- k6 }, l
Technical General' U9 r. o: P5 n/ m
2-106 Circuit Voltage-to-Ground – Dwelling units# F+ x6 B0 |4 y2 E7 Q# I
2-114 Soldering Fluxes
/ h7 I* k+ }. \, V# n: A2-116 AWG Sizes of conductors3 E i. ^! Z) A
2-124 Fire spread (see Appendices B and G)
# Y" n2 }( z7 a7 R" e' N2 C, t2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
S( j% Y# P. d8 ~# m( T1 M" Z/ fProtection of Persons and Property
* x% ^; B* ^* Y& x2-202 Guarding of Bare Live Parts9 K$ y! g) x1 P4 T: F7 [" |2 g
Maintenance and Operation
1 J! U2 Q6 S0 ~- u' B& x) {2-304 Disconnection& q3 C ^9 s5 z
2-306 Maintenance of Live Equipment
7 y5 W/ E- t. ZN 2-306 Shock and flash protection (see Appendix B)
5 h7 k6 c r p/ A2-308 Working Space About Electrical Equipment: Table-56) D6 Z$ ^+ P7 {5 f
2-310 Entrance to, and Exit from, Working Space$ W, N8 L( B) O5 b7 l, r& c2 b
2-320 Drainage+ n& \- D5 O$ c" e0 R
2-322 Electrical Equipment near combustible Gas Meters and other Devices
" X' }1 a+ A0 zEnclosures+ k1 H* M+ n, d
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
8 R% G3 q: f; T+ f" o; b# l, C6 C2-404 Marking of Motors: DP, WP, TE( e7 b& a7 ~" ~ q4 l3 B8 h9 |) u7 Y$ y
' N) _& }) E' F: FSection 4 Conductors! ^) [+ @: O# t! O
4-000 Scope; E, N) k2 Z$ Q: t" f) Z7 }
4-002 Size of Conductors: 14#, 12# l. }$ e1 r" Z& C; F- v$ D% h
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
) B" }4 V7 }' l6 c9 B- s; G1 P* ?4-006 Insulated Conductors: Table 19
! `4 S" Q/ n, @7 M* }4-010 Uses of Flexible Cord: Table 112 m4 P6 P! R1 R3 e, f
4-012 Sizes of Flexible Cord
0 G4 h2 r1 ?5 G! }) s: G4-014 Ampacity of Flexible Cords: Table 12* \8 D5 {% _0 d) p6 H
4-018 Equipment Wire0 a( E$ B1 y) ?, I2 q6 j h
4-020 Insulation of Neutral Conductors
' B# n: H# C* a# G4 b! \4-022 Size of Neutral conductor
9 i4 D$ ^, I, X6 K4 S; P6 I4-024 Common Neutral Conductor
|, n8 L. m+ f F( O4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum3 R+ W: a0 q1 @& y0 P9 b4 F1 Y% E
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
) S: Z! ]9 \4 r9 ?# `9 H4-032 Identification of Type MI Neutral Conductors
9 Q$ Z7 a. }0 k& O4-034 Use of Identified Conductors" R& Y' v. g: o, b( W0 M3 d5 Z
4-036 Colour of Conductors: Phase A, B, C, …
% \% ] e O0 J3 g& T& k
* e9 m7 l& D4 l& a2 VSection 6 Services and Service Equipment# f' j, D1 O7 {% D( ]7 m7 R4 G( `
General
# |; U w( U( w3 h3 d6-102 Number of Supply Services Permitted
6 C8 T5 V) D/ m3 w* B$ x# y6-104 Number of Consumer’s Services Permitted in or on a Building
8 U0 h# J4 {/ c: k: E0 A: w6-108 Supply Service from an Electric Railway System% N+ d1 Q y; N/ k1 l
6-110 Three-wire Consumer’s Services " K! i6 j8 e) x; [
6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors. r! K8 Q# N6 u' a% M
6-114 Methods of terminating conductors at consumer’s service
: A3 Q* ^2 \8 [+ O- d$ X6-116 Consumer’s Service Head Location
" W6 \& O$ M& P. ]! AControl and Protective Equipment
- a8 i$ y& Z7 u* V6-200 Service Equipment2 Z* E8 ~/ j/ i8 T( n
6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)2 V/ R/ a4 Q& T8 x
6-208 Consumer’s Service Conductors Location4 z5 F3 {8 {9 t" h1 Y: a
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
4 F8 P5 w. S) ]6-212 Wiring Space in Enclosures
. F B( P" f# R+ J$ G2 p6-214 Marking of Service Boxes) \4 H4 B% P5 B7 m# U3 ?2 j5 l9 _
Wiring Methods
1 ?9 o0 T2 F' `/ Z8 {6-300 Underground Consumer’s Services
; P3 v2 R+ v$ E2 {2 T6-302 Overhead Consumer’s Service Conductors% B' l. R Z" V
6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable T( Q% n( v8 `6 u& o
6-306 Consumer’s Service Raceways
- A" [1 k5 A7 R- [, J6-308 Use of Bare Neutral in Consumer’s Service) ]! U5 ]" o0 q- ~7 \
6-310 Use of Joints in Consumer’s Service Neutral Conductors( A9 N3 F. v* Y! y2 U
6-312 Condensation in Consumer’s Service Raceway
6 [4 I* |' q# J4 S1 O, }Metering Equipment9 Q9 {4 _* G$ X7 n, H
6-400 Metering Equipment
/ E. F2 u C. p& T/ d6-402 Method of Installing Meter Loops
6 Y" F b0 z% h4 K- s, S6-404 Enclosures for Instrument Transformers
6 a8 b( E! Q1 S. d* T% |6-408 Location of Meters
0 J0 Y, i* t; ~
+ ~3 @+ S& |5 I9 {1 O5 p) m" PSection 8 Circuit Loading and Demand Factors5 u& h" o% I F& p/ R. L+ ?: ?
General
1 s/ C9 V" V- G# l4 v" b2 h8-100 Current Calculations$ f1 h& D* G- y6 V
8-102 Voltage Drop ( see Appendix D)
) \( W# |5 Y$ K8-104 Maximum Circuit Loading1 f# C; w( z1 ]' g$ e9 p
8-108 Number of Branch Circuit Positions6 ^0 O4 W3 \ {( Q
8-110 Determination of Areas
" W5 S; z- R! c2 ]: s4 { WServices and Feeders
% p. G- @+ k, m% Y8-200 Single Dwellings (see Appendix B); \6 d, A2 E. H' ^ `- Y
8-202 Apartment and Similar Buildings* F7 s" O4 z! F; g5 N5 r) u
8-204 Schools
( m, O) L9 F" x6 v* j, Y8 {8-206 Hospitals
7 B! Y4 I7 I4 Q# q' t9 R1 |. ?8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy5 z1 m# m( O7 f
8-210 Other Types of Occupancy (Table 14)0 r) T8 G5 S3 Q* m$ ^
8-212 Special Lighting Circuits
( W7 y5 w& @! O* ?Branch Circuits2 f Z3 }" P/ g" a8 P* J
8-300 Branch Circuits Supplying Electric Ranges2 D' U+ ]+ Q/ O4 H
8-302 Connected Loads5 |' e# @% u& W1 T" h, ]
* L- C: u/ Z+ R' w; T; M
Section 10 Grounding and Bonding8 t! e; s0 U- U* b7 @. `3 h
Scope and Object
+ M6 o1 L; n, U0 P10-002 Object
" [8 w2 T( Z. _. ?( }System and Circuit Grounding1 B7 s9 M; K: e* }4 {" `# Y- a
10-102 Two-Wire Direct-Current Systems
! H* V- k* S+ ?0 y( J10-104 Three-Wire Direct-Current Systems
/ a3 g' K8 o2 Q6 g& ?5 t10-106 Alternating-Current Systems
+ x' A0 D4 I+ \' _% i' w5 y6 M10-110 Electric Crane Circuits8 e3 X; R9 W4 p, X
10-114 Circuits of Less Than 50 V$ Y( W1 E8 y) O1 q
10-116 Instrument Transformer Circuits" U' O1 r: i) S" f. e( b
Grounding Connections for Systems and Circuits* _7 H6 j% j* r0 q* S; P" |
10-200 Current Over Grounding and Bonding Conductors* ^4 v% a. `2 x/ r
10-204 Grounding Connections for Alternating-Current Systems
/ g9 v3 j6 @1 h' g10-206 Grounding Connections for Isolated Systems( k* i+ m7 S( J0 d7 E& L
10-210 Conductor to be Grounded
' H+ y5 ]0 D" b/ o% \5 aConductor Enclosure Bonding
5 e* b; Q1 s6 |7 u2 g10-302 Other Conductor Enclosures9 l/ L5 Y1 M3 {/ ?. T
N 10-304 s; E J+ g+ m/ l" ]
Equipment Bonding( q4 P/ n1 I2 O
10-400 Fixed Equipment, General% w3 K- H- O* ]) Y" X' K
10-402 Fixed Equipment, Specific (3), (4)
( @8 C( C; d3 X0 s1 S2 ~+ W10-404 In Nonmetallic Wiring Systems( B/ ^0 b6 p/ R% r2 p% ~, H2 F* V
10-406 Non-electrical Equipment5 f1 y6 N/ Z) B* {' r, D) ^' u$ G' k
10-408 Portable Equipment (4)(b)
! y3 m7 A( R* e, o/ R8 |10-410 Instrument Transformer Cases
; _( A% G# {" D* b10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
1 _( ~8 G; [ b: m, F10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
% ]' c7 H) a9 q+ YMethods of Grounding
! F/ E0 ?7 l- ~# x10-500 Effective grounding (see Appendix B). Z P9 Z: `% Z: i, {# l6 [: _
10-502 Common grounding conductors) s9 H2 Z2 T0 o3 R% O& L6 x
10-504 Common grounding electrodes& p" E( B9 q2 h$ x$ |' g
Bonding Methods
; X. `7 n1 O% W1 x# T0 S10-600 Clean Surfaces5 u) T R& @% D/ X0 T( v& I) H
10-604 Bonding at Service Equipment P8 x" U7 |* j7 }! Z) k
10-606 Means of Assuring Continuity at Service Equipment
% i+ I' [' s+ R6 H: d# q3 R10-610 Bonding at Other Than Service Equipment
\5 ]8 D0 W' N% _$ |. Q2 m1 k10-612 Loosely Jointed Metal Raceways/ u1 p. K* I! g$ W/ L
10-614 Bonding Jumpers Table 41
4 \: J0 e1 p& D& l$ D( RGrounding Electrodes) T9 y" Z4 z. D1 D j! }6 p
10-700 Grounding Electrodes
) o" R+ a7 p# p/ I0 _& J) B2 h8 I7 i+ M9 C10-702 Artificial Grounding Electrodes
. S( f2 _. v+ `7 C2 V* oN 10-700 & 10-702# R( I& v: O# N6 c7 t4 R5 ~7 b1 X
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)- @- L& Q5 `$ _0 Q4 m
N 10-702
& j, q! d2 `! n$ ?* {, o10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding" O$ s: E1 T B1 e6 ? g* g0 D
N 10-702
/ M7 n: Y# k+ O" d# Z* R10-710 Use of Lightning Rods (Appendices B and G)9 i. }! w( }( q" B$ p5 i( A$ T H
N 10-706, r" M, w' n2 ~, v6 G2 R: [3 k
Grounding and Bonding Conductors
h+ ~( R. T9 r2 M; m10-800 Continuity of Grounding and Bonding Conductors
6 `; s& }' F) E) h9 [7 E10-802 Material for System Grounding Conductors
7 }9 I$ O2 m* |: C/ o1 c10-804 Material for Bonding Conductors0 [* X: I+ [3 j! {* O- M, @0 S4 h
10-806 Installation of System Grounding Conductors
5 t. o8 a+ |( H# P10-808 Installation of Equipment Bonding Conductors. b2 f2 Y3 J+ l# _$ X
10-810 Grounding Conductor Size for DC Circuits4 L/ p% y- z' ^- t
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
# N: y9 H1 I% |- Y$ X( F; ~/ ]10-814 Bonding Conductor Size (Appendix B)
B5 @+ w# X2 |: c9 M0 O10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment; e' t( l. S( z8 X% ?
10-818 Bonding Conductor for Outline Lighting
" [8 J' E6 O0 V10-820 Bonding Conductor Size for Instrument Transformers- h) C- J P) k3 q: @: Q8 l
Grounding and Bonding Conductor Connections
* @1 H) z6 w( n& L10-902 Grounding Conduct Connection to Water Pipe Electrodes8 X6 P+ W* c' [ t! K7 V
10-906 Bonding conductor connection to circuits and equipment' a- w, E; n, c3 E
10-908 Grounding Conductor Connection to Electrodes
* [+ M1 L8 _$ p" xLightning Arresters" q r* v* r E0 ?4 I2 @4 B
10-1000 Lightning Arresters on Secondary Services – 750V or Less
1 o2 o' I% c3 E5 Q! Y T; a: J- {( q
2 q; t, g! Y) tSection 12 – Wiring Methods4 Y; i( o, V5 |8 p. Y7 L
Scope
4 j) ?7 c! x4 l1 {* C6 l12-000 Scope (Appendix B) Y: b; x) A4 U0 p3 @$ }
General Requirement4 z0 n5 C. e4 Q2 ? E: @+ ?
12-010 Wiring in Ducts and Plenum Chambers
/ l" T6 A# S# O/ B, x' q9 O12-012 Underground Installations (Appendix B)! d- X) y- V( V$ t( c d
12-016 Lightning Rod Conductors
+ q" D) { M8 s/ M% m# u# wConductors - General$ V" ~; {# G- E& y, {: C( ?2 z2 b) J
12-100 Types of Conductors (Appendix B) Table 19
, s- y8 l6 |. v; p12-102 Thermoplastic-Insulated Conductors
- M( t+ w5 @) U g4 i0 C- I5 F12-104 Flame Tested Coverings
6 z! j r' G' b12-106 Multi- and Single- Conductor Cables" e/ {- v" x, Z1 J& W3 M$ h
12-108 Conductors in Parallel (Appendix B)
2 j2 T3 p1 r% n1 t$ P G12-112 Conductor Joints and Splices5 E; t( l. ?' k! ^) l9 r
12-114 Ends of insulated conductors
5 f( W$ W, _7 K& L. R1 u+ X% `) e12-116 Termination of Conductors (Appendix B)
& O/ N* f% B# J8 t. _$ {12-118 Termination and Splicing of Aluminum Conductors* {6 g6 a. g( e& M# F
12-120 Supporting of Conductors - Table 211 g7 ~$ |. l# h
Open Wiring
% q% Y- M% }; {8 W7 d12-204 Spacing of Conductors: E c6 f2 N2 g$ {* T/ Z; X
12-206 Conductor Supports
; f7 K, | e! u$ P12-208 Conductors on Flat Surfaces
9 ?; s5 ]& i3 h% E12-212 Protection from Mechanical Injury& k/ @4 y/ c- y8 m+ ^$ s' g
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
7 F& U4 u/ P- \12-308 Minimum Size of Overhead Conductors
2 F# ]' o2 @# h" U) }12-318 Use of Neutral Supported Cables
8 Q3 b. H Q( RNonmetallic Sheathed Cable
3 {# w) l5 h4 s' @12-502 Maximum Voltage' z- C7 O& j5 H' R
12-510 Running of cable between Boxes and Fittings (Appendix G)
* g0 ]' L* f7 A' b+ [12-514 Protection on joists and rafters
2 l( R0 z; f8 J6 N% V( \& n12-516 Protection for Cable in Concealed Installations (Appendix G)
$ ]' D. i7 f0 w# ?7 c2 t12-522 Where Outlet Boxes Are Not Required
* k1 Z1 P# \/ iArmoured Cable
5 B0 h2 j2 |" N4 h; L7 Q+ ]12-602 Use (Appendix B)
. B; S# z2 E; _, o* G12-604 Protection for Armoured Cables in Lanes
/ E* w; W' {' k! o' O) V12-606 Use of Thermoplastic Covered Armoured Cable5 U# X6 T/ T+ |8 C# i; t3 W: k
12-608 Continuity of Armoured Cable
{7 h( c* Y7 @12-610 Terminating Armoured Cable
/ T; { U& I9 r. x12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
" W( O3 O0 K9 @9 G' k2 X8 v12-614 Radii of Bends in Armoured Cables
; b* v& E5 a9 u; g12-616 Concealed Armoured Cable Installation
4 h) i! i: y; A2 o8 e) h2 R) B* ]12-618 Running of Cable between Boxes, Etc
, P# P# O, Y% E3 g/ E( uMineral-Insulated and Aluminum-Sheathed Cable% V$ }$ X3 L8 [/ s
12-702 Use' z/ O0 r* ^/ ]# f; d& N6 m
12-704 Use When Embedded
* g$ w- l9 r( H# k3 g9 G12-706 Method of Supporting( z3 _7 W: \; z( L
12-708 Direct Earth Burial
) ^2 m2 q# X4 z12-710 Mechanical Protection
! a. O. `; b8 x, i5 n1 W3 @2 Z12-712 Radii of Bends% ?8 v8 Y2 h8 _, B5 S, f
12-714 Termination of Mineral-Insulated Cable (Appendix B). o$ c3 G$ ?/ l5 d! g8 l/ z7 @
12-716 Connection to Other Forms of Wiring$ n6 [% ~; L7 W/ d3 y: P
Flat Conductor Cable Type FCC
0 g% ]- \1 C. n12-804 Use Permitted
0 _5 n' o/ `2 ]( U12-806 Use Prohibited
6 t. I' t7 I _- G% Q12-818 Anchoring
. U: w; E$ t* k! d1 ]" x12-820 Crossings& _, n* u9 u& W
Raceways - General+ b u/ _1 r4 ]3 _8 L8 P
12-904 Conductors in Raceways
t" j2 q) ^" O( ~5 Y4 t$ A12-906 Protection of Conductors at Ends of Raceways
2 S) Y7 f9 M4 c' s2 T12-908 Inserting Conductors in Raceways
. ?+ o' ^& \0 c C7 k/ |7 j12-910 Joints or Splices Within Raceways1 z+ h1 Z" i/ h/ N3 e$ C
12-912 Stranding of Conductors
# F+ L) C8 [7 w! ^8 [% M12-914 Electrical Continuity of Raceways1 Q8 q0 s6 j6 p
12-922 Radii of Bends in Raceways- y3 t9 ]' T% ?: s: `
N 12-922 Radii of Bends in Raceways Table 79 _8 S% K5 Z4 U
12-932 Protection for Raceways in Lanes
. O/ W M" ^0 M4 g# m6 A8 c8 n. z12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
3 u2 ~4 o# [1 k* t& ?& c12-938 Capping of Unused Raceways
& j% A1 \5 \8 [$ R12-940 Maximum Number of Bends in Raceways
2 X4 x- ] L" V' z! E! ERigid and Flexible Metal Conduit1 E/ w; y, D4 K2 R5 ~# o
12-1002 Use
4 p& d% [/ M: N12-1004 Minimum Size of Conduits0 ~& b! b$ }4 h U2 t
12-1006 Conduit Threads (Appendix B): [+ l; o* S( K0 j" W% B9 \( I
12-1008 Thread Engagement
1 [4 n. v/ H4 I1 i+ W Q12-1010 Maximum Spacing of Conduit Supports
* Y3 m4 u, `* o/ M" e ~* t8 L& O" \' M: a12-1012 Expansion and Contraction of Conduits (Appendix B)0 X- M% g8 I9 u3 ?5 X
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 1 _$ M$ ~% p) \) `3 W# q
Rigid PVC Conduit and Rigid HFT Conduit& E a/ f! R& d" r$ [* h; Q
12-1100 Use5 b8 p8 D7 k8 h& k; e2 Y* m
12-1102 Restrictions on Use
1 h" S: M+ l/ S7 j# J' L& D12-1104 Temperature Limitations (Appendix B)
1 j$ a8 p9 W# P/ T- v2 m12-1108 Field Bends (Appendix B), (2)
" b3 F: j& \4 W12-1110 Support of Luminaires) ?; d( @' S( j! b0 P, r
12-1112 Fittings
7 b: M- f, n6 H! ~: p" I$ W12-1114 Maximum Spacing of Conduit Supports; p8 O# Z5 V: z- `7 j
12-1116 Support of Equipment
/ K ?3 |$ S5 T) x. s8 B12-1118 Expansion Joints (Appendix B example)
$ G; f/ a/ w' U& ?8 \$ _Rigid RTRC Conduit
1 J2 @7 v1 H$ e4 U: u( M* L* j9 b0 Z12-1210 Temperature Limitations
+ F; E: }4 X7 _6 g$ S$ ^" T12-1214 Expansion Joints (Appendix B)0 |5 K4 q7 O1 ~7 d% B+ O( M
Liquid-Tight Flexible Conduit
0 S2 V( v1 a. }/ g" a4 t12-1302 Use of Liquid-Tight Flexible Conduit
b, G$ y2 H/ K( L12-1304 Maximum Number of Conductors( S; P& S! u2 t {) v% L7 j
12-1306 Provisions for Bonding
# k3 p6 d" {- N s3 SElectrical Metallic Tubing* e7 r2 y- X& s+ ?5 K
12-1402 Use
! v2 B6 v: a( w6 ]. B9 L. y" ^+ \12-1404 Supports
% w$ d# C5 X1 k12-1406 Minimum Tubing Size
- x7 r8 g' {1 a12-1408 Maximum Number of Conductors2 M. U+ T. X+ g# v! [
12-1410 Connections and Couplings( a& @! f2 x- Q9 ~3 F$ P
12-1412 Radii of Bends in Tubing
: J- I, U, a7 Z! r8 [( |' e, xN Table 77 k; A: z# @ [( ]! {
Electrical Nonmetallic Tubing4 z0 H4 X( S, z: \6 E) R
12-1516 Provision for Bonding Continuity. a- V& s# D! N
N 12-15142 n3 a, U& T9 V2 u, P
Surface Raceways
8 z; Q8 l: E5 N* F& k& t' b8 P12-1602 Use of Surface Raceway (Appendix B)( ?7 N) @3 X$ [9 i5 D- v7 v1 D
12-1604 Temperature Limitations9 U4 E b6 t( R
12-1606 Conductors in Surface Raceways (Appendix B) I% t, z; v* K8 {# r* L/ S1 l8 E. k
12-1608 Maximum Voltage% k/ ~- c( Q; E" @: s5 k
12-1610 Joints and splices ; O+ F2 G( J+ s5 |: _, a
Underfloor Raceways( ?& I o# _4 I& f* ^
12-1712 Discontinued Outlets in Underfloor Raceways
& u; o! J/ j6 _8 z# _% iCellular Floors
" n: u0 U; T% O4 d12-1804 Maximum Conductor Size in Cellular Floor6 i7 B* V8 N+ O& P0 E
12-1820 Cellular floor discontinued outlets
7 m0 `- J! s, w* A: B, G3 d" W# N+ |! dAuxiliary Gutters% [* Y& J& O+ k, b" b" B- S$ \6 F
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
4 m/ n5 a0 @, z: o2 Q12-1902 Auxiliary Gutter Supports
- k9 t: I/ _& l" p( r12-1904 Auxiliary Gutter Cross-Sectional Area
! j6 f: m6 r$ y# J3 ^2 e7 k8 `Busways and Splitters
3 X% H( Z: }$ o! M) y! m: G! K12-2004 AC Circuits in Busways and Splitters, J) {% ^3 t) D
12-2006 Busway and Splitter Supports4 k7 B1 U/ H4 L5 S
12-2008 Method of Installation of Busways; y: p0 e. b* r' g4 B% ]# I
12-2012 Reduction in Size of Busways6 s" f U0 u! g
12-2014 Length of Busways Used as Branch Circuits6 j: b5 z! c; [/ Q! s
12-2018 Taps in Splitters! k) i" j7 E5 F' U8 `" K; c& g
Wireways
4 P1 k8 W' P* ~12-2104 Conductors in Wireways1 `, j& E7 b x7 G
12-2106 Taps and Splices in Wireways1 G! A5 g6 H! |0 X0 f& y: X. C
Cable Trays
( @' W- B9 J2 @8 v* E [12-2200 Method of Installation (Appendix B)
) t$ L+ ?( L* U12-2204 Joints and Splices Within Cable Trays
% K9 F# |! @9 a$ v. q& n. t& Q12-2208 Provisions for Bonding" ^( Y; y: l$ n
12-2210 Ampacities of Conductors in Cable Trays
" J {/ {) b; `$ M8 HInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings2 s8 _+ a7 T, M
12-3000 Maximum Number of Outlets Per Circuit K6 ?" ?. i& B K8 C3 ~
N 8-304, H* m& w7 U' R# U' H
12-3002 Outlet Boxes (Appendix B)6 a' N8 {1 p3 L! v e
N 12-3000
; r8 q8 ^4 C* N) P9 d12-3004 Outlet Box Covers, i u& [* `# p! u7 T8 i
N 12-30024 V4 {/ G- M2 m
12-3010 Boxes in Concrete Construction) f1 }; Y3 c0 b3 V- |( [
N 12-3008. Z1 B6 A9 c7 }6 o0 L2 S# Y
12-3012 Outlet Box Supports
& O* I7 c+ ~( p# H4 V9 }" {0 QN 12-30101 {6 W F P1 Z# z# N P8 X
12-3016 Accessibility of Junction Boxes
' m b! U/ G" ~9 ]) ~1 ?N 12-30147 _- H% s2 f, w! T
12-3018 Flush Boxes, cabinets, and Fittings
2 Y' j2 h: I, L1 A4 g* p1 P c- F2 uN 12-3016: O0 j. @) S0 k( {; m! x
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) . H. g+ [4 w/ p; U8 G/ x
N 12-30227 z8 V, s' u3 f. `" e- W
12-3036 Maximum Number of conductors in a Box - Table 23/ c' c1 g) h) A
N 12-3034
! v% D( R; @! l0 V2 M2 b# ]$ D12-3038 Pull Box or Junction box Sizes6 J& }( \3 _ v5 S
N 12-3036 c% d/ B$ ~$ W) c% D0 f
0 O( d7 }4 K8 y% O7 z" R) E; M( r- R+ y
Section 14 Protection and Control
0 n2 T5 I, h3 F9 nGeneral Requirement7 Z6 t& E+ c+ k
14-010 Protective and Control Devices Required; D% q/ M5 V. v
14-016 Connection of Devices8 o+ x# v, ^$ s3 h" f
Protective Devices – General
; H4 a% K# [( Q) X( g 14-100 Overcurrent Devices Required
/ ~; F) g+ }' l* K14-102 Ground Fault Protection (Appendix B)
K9 A) o4 \7 w/ {" Q L& `, D7 t( X* {14-104 Rating of Overcurrent Devices (Appendix B) Table 13 J" X5 {& h+ S3 F% _, x! w
14-112 Overcurrent Devices in Parallel1 \% w. Q, B* Z. j; U' h
Fuses7 [' Q5 @/ j3 K. ]' p
14-200 Time-Delay and Low-Melting Point Fuses2 B) b2 M4 q7 q+ k
14-202 Use of Plug Fuses
! }* q) P; h# @, i- M1 b14-208 Rating of Fuses
' F' g. H7 S$ T( n8 D14-212 Use of Fuses (Appendix B)" B; t9 j7 J# C" |- R: P
Circuit Breakers8 B' W% I: g" d+ L" ^% p! h
14-300 Circuit Breakers, General
& v4 U8 Z' p% V8 s$ u14-306 Tripping Elements for Circuit Breakers4 d. w) p4 H4 b4 _1 y& ~
14-308 Battery Control Power for Circuit Breakers
- t$ m2 r6 \8 ~% W- J% N8 qControl Devices - General
9 j; S& ]- J# `8 e. D14-402 Disconnecting Means Required for Fused Circuits$ n4 y4 N* |; I$ _2 A8 a5 M s& W
Control Devices - Switches
% J, d7 q2 ^& r+ i( f3 P2 T' {) |14-502 Mounting of knife Switches
4 g5 t. {2 H) }5 ^8 ~1 I/ R% E14-504 Maximum Rating of Switches# y |7 e9 O) s
14-508 Rating of General-Use AC/DC Switches (Appendix B)
9 |8 a" \% P* p) f2 p14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
# u% r8 {; ]! VSolid State Devices
! M& c% P& O" d9 B- Y14-700 Restriction of Use7 X3 m* P6 y& H: ]" \3 z. e% w
14-702 Disconnecting Means Required
- G" g4 A- f( e* b% Z" h+ Q1 @0 H% S
Section 16 Class 1 and Class 2 Circuits
$ P+ D4 A% k! _General1 H! X0 K" `6 C5 k1 ] U
16-004 Class 1 Extra-Low-Voltage Power Circuits0 a8 i5 Y% E4 ]! i9 a% i
16-006 Class 2 Low-Energy Power Circuits- @* Y5 D. y# m( S# ~$ a. d
16-012 Circuits in Communication Cables6 Z* j8 H+ X3 q- C
Class 1 Circuits
( F# }- _, Z% q16-100 Limitation of Class 1 Circuits& o+ w1 s0 P3 P# Q9 t
16-104 Overcurrent Protection of Class 1 Circuits" Q8 p3 e ], Q% s
16-106 Location of Overcurrent Devices in Class 1 Circuits$ I; B9 v: @1 U$ a7 v: i6 U
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers) U+ A( |3 K' x; r
16-110 Conductor Material and Sizes0 N5 x: [3 v, A1 r4 W4 [
16-112 Insulated Conductors for Class 1 Wiring- h$ _2 N) j6 j" b4 s$ X8 C& J
Class 2 Circuits
8 w0 t% _% k( T; [+ ]( `! j* X16-200 Limitations of Class 2 Circuits (Appendix B)% k: x! V8 s k& k
16-204 Marking
6 n7 q( |' `" ]6 ~16-206 Overcurrent Protection for Class 2 Circuits
f' g0 g+ \' ~. z' {2 S16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
* X! _+ k7 N9 {5 N/ N4 uELC: extra-low-voltage cable
9 I8 C$ @, l* v% @16-212 Separation of Class 2 Circuit Conductors from Other Circuits
! c4 k% k; ^% Q- d: q
# H2 B* B- Y' @8 Q- GSection 18 Hazardous Locations
* I) ~& ?4 J! M3 C0 ~$ o+ z7 \$ OScope and Introduction) W, r( Z r2 O" Q6 j M1 _
18-004 Classification# J+ ]8 k3 F* z: L& B+ I1 Q9 j
18-006 Division of Class I Locations (Appendices B and J)( |9 Z2 X; \4 k4 D: J7 A& F! o
18-008 Division of Class II Locations (Appendix B)& s* h& C# _$ B) M- k
18-010 Division of Class III Locations (Appendix B)" K2 U2 P- g4 {2 z9 a7 @( @, f; N
General3 ^& f1 y: f/ l `; q
18-062 Metal-Covered Cable (Appendix B)% D7 _( O, {! k* d& J
Installations in Class 1, Zone 1 Location% p, s9 [+ {( Q; t4 I
18-108 Sealing, Class I, Zone I (Appendix B)
! m' `/ i* O% Q4 }; P' @* p: f
* O- q/ [9 U- [+ GSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars3 q, c4 _& s9 e
Gasoline Dispensing and Service Stations
6 @5 J- Y5 X$ U- Z/ V20-002 General
: Y( o/ H# A6 d( d3 e- u/ t: F' W20-004 Hazardous Area (Appendix B)0 R+ O+ ~8 j2 K2 j8 N" y3 c, N
Propane Dispensing, Container Filling, and Storage
0 e' g+ O+ M' `0 k3 o, d20-034 Hazardous Areas - Table 63* i5 o, L B$ g. ^+ b
Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities
9 z* p7 i3 Y! B8 m- ]20-062 Hazardous Areas/ V/ t# j. I E6 M0 _0 u* u
Commercial Garages – Repairs and Storage
2 x* F( g+ K5 l& s% o8 N0 T$ m' `20-100 Scope
- k4 v" A+ O+ F6 s20-102 Hazardous Areas (1)
s7 t: @+ C" h* z( {3 N; y5 K3 e. i+ a
& U2 N& Q$ q: ^9 O. {$ \Section 24 Patient Care Areas
9 |- B/ l/ F! \4 x6 Z' M24-000 Scope (Appendix B)0 x u5 @/ @- f k: \+ \) R/ Y6 B8 J5 |
24-002 Special Terminology (Appendix B)6 z& Y/ L2 Q0 }8 k& s
Patient care area$ w* O. P$ w$ O7 t
Patient Care Areas
3 V. b0 l% W4 g2 ^! e" Q24-106 Receptacles in Basic Care Areas (Appendix B)
9 H/ w0 E9 e# Y/ KIsolated Systems
# z0 {+ ?6 T5 w7 C6 f/ r24-204 Single-Phase Isolated Circuits (Appendix B)
, T' ^- A2 J8 ]7 r; F$ P2 q& Z24-206; N* I; \5 z3 b6 [9 i2 G& Q# d
K* {7 _- N# h- X& [1 A9 \
Section 26 Installation of Electrical Equipment( _5 v! |& X5 _/ p
General1 @( q" J8 q4 p2 m! p6 Z
26-004 Equipment Over Combustible Surfaces (Appendix B)
7 D8 L2 F0 V5 K! Q5 g26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
) w) ^( b, w1 R1 j/ f Isolating Switches
) Z! w: k" Q8 O. x& q2 P. t26-100 Location of Isolating Switches4 c* h3 r8 |. f
Capacitors
( P, D! K4 G9 _8 P! _) y26-204 Guarding of Capacitors! ^) j6 n1 q/ }. c, K0 @# J$ G
26-206 Grounding of Capacitors. b$ m) l9 y7 l) e0 |, T
26-208 Conductor Size for Capacitors
6 B& h/ {6 I Q& }; J26-210 Overcurrent Protection (Appendix B)
. V, [# I- S8 v- T9 Z9 ?26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
- o# c) x7 \! W4 X26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
. k2 Z% }' v) D3 K2 `26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits# l3 V/ O' a B; |7 v/ Y
26-218 Special Provisions for Motor Circuit Capacitors# L& \5 g }& k6 c. u
26-222 Drainage of Stored Charge of Capacitors
3 U+ k( x6 _; q* p* v7 mTransformers1 F6 q- b/ O# I+ n$ U; l. B2 o4 Z" m
26-240 Transformers, General) r3 K ^( W5 o' Z9 a; E2 d7 T# D
26-242 Outdoor Transformer Installations
+ y1 g- t! z% I% x& l26-244 Transformers, Mounted on Roofs (Appendix B)1 W* x+ R+ _$ w, f0 D- u4 j
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
9 G$ r, X+ {+ D. D& y26-248 Dry-Core, Open-Ventilated Type Transformers$ F7 y( p" X$ N0 P7 F8 Y4 w* ?
26-250 Disconnecting Means for Transformers$ c1 u" w- P. e3 g
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V
- @7 t# @1 U z. A" B26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers! ^7 M0 c2 a7 C0 Q. t# Z: n
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
- Y" W7 e# H9 U5 I+ d; M% u+ M) c26-258 Conductor Size for Transformers
! L9 S/ u) |! u/ Z$ H26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)/ |( L5 j. O6 [; }" ?: [1 q1 X& l
26-262 Marking of Transformers
! I+ e3 v! N4 B! Y26-264 Auto-Transformers
/ g- }% J5 s- @- ZFences
) O8 \0 t$ A, \2 z26-302 Clearance of Equipment - Table 33
1 n0 X q+ j/ ]( _- S# @& T0 @Panelboards
! J- o, }9 g+ D26-400 Panelboards in Dwelling Units (Appendix B)3 t4 ^: P. E- u$ Y( ?: h
26-402 Location of Panelboards (Appendix G)' Q/ Y$ f2 H) J+ P! i4 w
Lightning Arresters
, Z* N. e) D: @( c26-508 Connection of Lightning Arresters- r1 B k' t5 W( y5 Y1 I. O; `# @
Storage Batteries
. p% O- U/ s2 S/ s( ?8 {1 _26-542 Special Terminology. x% g2 W+ `) c, i6 z; V
26-550 Battery Installation
* {; {' T& `) g+ b( |; g0 u. Q26-552 Wiring to Batteries
; O( p. e. l a/ U, q2 Y) t1 tArc Lamps( m/ _: V; o3 ?* g6 L# l/ G+ ]7 h
26-600 Location of Arc Lamps
- P- y2 W- R* T% H5 @26-602 Conductors to Arc Lamps
6 Y/ F5 v4 S- S26-608 Globes and Spark Arresters4 T4 G5 T. ^) [2 E$ @6 I/ u( m( |; [
Receptacles( C) R! q5 ?: t+ d
26-700 General (Appendix B); C8 u6 P& o& h1 g
26-702 Receptacles Exposed to the Weather4 ~# |; c' d2 l8 m
Receptacles in Residential Occupancies! k# C3 h# u: \' s7 Z. `
26-710 General (Appendices B and G)
$ U. F* ]9 N( U7 E. o* x0 q26-712 Receptacles in Dwelling Units (Appendices B and G)
- n& h4 [( K$ c26-714 Receptacles in Single Dwellings (Appendices B and G)
: A6 O9 i0 Q7 U6 ]. YBranch Circuits in Residential Occupancies
4 Z: N5 C' O% u5 K& y; z g& _26-720 General8 O+ P. s @. w. c/ Y/ r
26-722 Branch Circuits in Dwelling Units
' r F" g9 {5 A% j' c26-724 Branch Circuits in Single Dwellings4 j& V9 d6 {7 }
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
+ [1 J% [. _- HN 26-720 (F)
+ q; `3 U! d0 jElectric Heating and Cooking Appliances3 Q2 f- ]: c5 v$ C& Z# O6 d3 ?/ i$ i
26-744 Supply connections for Appliances* e$ r$ ~0 v4 h
26-750 Installation of Storage-Tank Water Heaters3 T6 Y0 q/ K; b4 q
26-752 Infrared Drying Lamps
C0 D, U& I5 [5 a# [* J g
+ {* |( F( A& F+ S8 JSection 28 Motors and Generators5 @; x& U9 J- P& e4 q) f; J. M6 X; c
General) y: Z2 M6 Y9 }! H ~9 {2 h3 N) M
28-010 Special Terminology
* j' K: T- U. kHermetic refrigerant motor compressor
3 d8 U8 N8 D6 J% T+ p, xLocked rotor current rating4 x( I* c4 f% Q' A
Service Factor/ |: W+ M* t; M }
Table 44; Table 45; Table-D2
: ^; a5 ?; G8 x- EWiring Methods and Conductors. V" K1 R4 G' u& i) }; @
28-102 Portable Motors) |$ Z! ?& a/ [6 q/ s3 L4 B' O
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
2 z1 c2 H5 X' h28-106 Conductors, Individual Motors" n+ ^5 x% N; C. K6 v1 d; c1 u
28-108 Conductors, Two or More Motors" R7 k& [, M, p
28-110 Feeder Conductors
3 x+ X. d; @* v# ?8 q28-112 Secondary Conductors
) ]1 m: F6 x8 J$ \/ y0 n# @Overcurrent Protection
- d0 a6 c. z3 K28-200 Branch Circuit Overcurrent Protection
6 X0 j+ J h/ V: Z7 a28-204 Feeder Overcurrent Protection& `! S( F0 C; C0 z" s
28-206 Grouping of Motors on a Single Branch Circuit3 S6 x" Y7 c2 v6 _9 Y' O5 }
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)
, e+ I1 u* C% {# HOverload and Overheating Protection9 j/ N- K, X- @& y
28-302 Types of Overload Protection
, S! }. Q. t3 P- k28-304 Number and Location of Overload Devices (Appendix B) Table 25
# w/ [: c! l- S4 P; ~5 V28-306 Rating or Trip Selection of Overload Devices (Appendix B)3 F/ I. R9 J( r; `
28-308 Overload Protection Not Required
1 U2 u) f0 w: F, N) i0 {Undervoltage Protection
5 Z5 r: Z" y1 u3 V" e" \# B- a28-400 Undervoltage Protection Required for Motors (Appendix B)
4 \$ o; {2 n/ JControl' g' Q4 u. U+ _5 p& h) V, }/ Q8 y7 j
28-500 Control Required
|1 z7 ]$ ]0 W2 C& \28-502 Control Location6 P3 q. n& H# u+ \' O. @2 e( k
28-504 Starters Having Different Starting and Running Position( c& i4 i& i6 |8 @* l+ W$ t
28-506 Grounded Control Circuit
. \5 E4 }+ V8 m0 r9 F& f& h4 q. F% K' pDisconnecting Means7 H7 D3 f: v+ P! t5 R" W, {
28-600 Disconnecting Means Required2 C. B |2 v( @
28-602 Types and Ratings of disconnecting Means (Appendix B)1 f- c X' V! i5 S& N1 h) Y2 [3 q+ s
28-604 Location of Disconnecting Means. M9 S! S( ~2 b6 \/ ^/ d
Hermetic Refrigerant Motor-Compressors, D) Y2 v1 X" g
28-706 Conductor Ampacity
# c3 j( \6 L+ ^5 U28-708 Overcurrent Protection! x* P) \9 z/ r- r9 U) z
28-714 Disconnecting Means
; X' ?- \7 l) I9 I2 O$ rProtection and Control of Generators# [ D+ | v$ }# Y
28-900 Disconnecting Means Required for Generators0 K. @: m. ?2 \ o+ D1 l# w. ^
28-902 Protection of Constant-Voltage Generators0 D& J6 r1 }# F4 a+ ?! l
28-904 Generator Not Driven by Electricity6 P3 Q, r7 u0 R
28-906 Balancer sets
0 M9 z: q% c. m# P( }5 T4 `28-908 Three-Wire Direct-Current Generators
; H: M3 m. A# X$ h* `; H9 {6 Z1 Z: F: ~: W/ V- {
Section 30 Installation of Lighting Equipment
3 F [$ V ^- m! H4 \30-002 Special Terminology (Appendix B) R' d: n+ h: n7 g' ~ l
General! N' n8 G2 ?% y. J
30-102 Voltage
1 v( B, h- u+ _$ j+ ^5 g30-104 Protection (Appendix B)$ Y4 x( p3 O `* c" c
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
# G( I% ~- y& w/ y) X: w: ?30-108 Polarization of Luminaires
: V0 a7 q- z! N; z3 t30-110 Bonding of Lighting Equipment0 }& J6 W0 V2 d8 ?
Location of Lighting Equipment4 {5 f, Q" }+ y9 ~$ {' o
30-200 Near or Over Combustible Material8 T I* K" p' {5 d# [
30-202 In Show Windows
1 q: x+ d3 S2 \$ f30-204 In Clothes Closets# s( ~) c) K* ]# f8 U, L
Installation of Lighting Equipment4 x: P L: V3 z$ ]3 k3 R K
30-302 Support
5 A. N! q# y3 `& r30-304 Outlet Boxes to be Covered+ |1 Y9 V1 j6 l% k& l& c+ w2 a: Q
30-308 Circuit Connections
3 O" a3 e6 `6 N2 R8 I5 \3 i4 n9 e30-310 Luminaire as a Raceway
4 i# u* ?2 Z" C6 ^, x30-314 Minimum Height of Low Luminaires- }, S5 W D# V2 B2 n
30-316 Luminaires Exposed to Flying Objects5 p5 X) Z) m7 A8 u# d
30-320 Luminaires in Damp or Wet Locations+ p! o5 c& |- D
N 30-318! m: q% _7 V7 q& h
Wiring of Lighting Equipment# p# `4 b; }9 w1 `# J& Z- U
30-400 Wiring of Luminaires% `$ M* f9 Z, G5 W3 J
30-402 Colour Coding
) M: p. W* v7 U% g: B* F Y30-404 Conductor Insulation8 E7 O( b! M9 L& I
30-406 Conductors on Movable Parts
, o2 h6 g V7 u4 b9 x) r30-408 Wiring of Ceiling Outlet Boxes
3 w6 c4 K+ r) g& s7 H2 u30-410 Wiring of Show Window Luminaires! ~0 w- ?" l$ R3 ?# E* c
30-412 Tap Connection Conductors
. P3 N/ [6 v& w" O5 v4 ^* P4 I: nLuminaires in buildings of Residential Occupancy
. K9 ^( x; k# L# a& U5 c# ?30-500 Lighting Equipment at Entrances (Appendix G)
2 a5 q! J( D' {' d$ k30-502 Luminaires in Dwelling Units (Appendix G)7 o# {& K1 ^1 p" B2 T* p5 O' A
30-504 Stairways (Appendix G)
- Q9 |' p5 Z* l3 e d" ^& I4 X30-506 Basements (Appendix G)0 x4 S1 W5 h$ K0 S- O4 X
30-508 Storage Rooms (Appendix G)
, S- @4 o# _% y9 I30-510 Garages and Carports (Appendix G)
* c# Y1 F9 f3 Y2 ILampholders
( X( ^ u! I4 e& s30-600 Lampholder rating with Incandescent Lamps
; `2 o$ h4 ^; P/ d' s+ x$ X' zN CANCEL5 L( Z! b% r& P. l I2 @
30-602 Connections to Lampholders# ~/ s3 `$ i" i$ k
N 30-600: b! T- q9 B/ H# p
30-604 Switched Lampholders Used on Unidentified Circuits1 A* j. a* l" G0 q
N 30-602
, e. d" i! R0 _. O30-606 Switched Lampholders with Pull-Type Mechanisms* V" T& q/ z! m1 ]1 j% m
N 30-604# w M/ N9 e( B1 i: H
30-610 Pendant Lampholders2 F5 F3 T0 v. g0 ^9 W& s
N 30-608
5 p6 j3 \2 r" w; j1 x8 eElectric-Discharge Lighting Systems Operating at 1000V or Less
* A% g5 ^/ x$ v# Y, }30-710 Control (Appendix B)* h- Q; `1 [( y' j( {
30-712 Branch Circuit Capacity E5 i( t h& {; E n6 ?
Electric-Discharge Lighting Systems Operating at More Than 1000V
9 t- W( e; E- z30-802 Voltages, Dwelling Units
% O2 w" A% f8 G9 C! b+ h& U* t% A30-804 control (Appendix B)7 U' I. r/ N5 P: M
Recessed Luminaires (Appendix G)
/ C% s H5 `# T+ C30-902 Spacings for Non-IC Type Luminaires
" c) \( r8 m' f30-910 Wiring of Recessed Luminaires (Appendix B)
$ o0 _4 t" A5 o% \! fExposed Wiring for Permanent Outdoor Lighting. ]5 Y+ z1 z1 k0 v+ B7 [
30-1120 Branch Circuit Loading and Protection
# j- z- I3 r. z# t( R/ JExtra-Low-Voltage Lighting Systems1 L8 I0 {- |9 T
30-1202 Sources of Supply7 m3 I4 M9 b0 q
. c/ R) F6 H3 @ ?! QSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
8 W' e" j' H% I3 W& kFire Alarm Systems" v6 ^. m5 m; I) u2 ~+ |% g- L
32-100 Conductors5 r; W k4 U9 b2 Y2 n1 z6 G% A
32-102 Wiring Method
; _0 e9 D# u9 {& c2 B" J1 N32-104 Equipment Bonding! E* \+ w a" R1 \! q
32-106 Electrical Supervision2 O' H+ B/ U) T0 u$ j8 ?; O2 T
32-108 Current Supply: P6 x, j5 J5 n5 d" D" S% b
32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)+ J( ?9 \4 V7 l
Fire Pumps
: g( W& }& ` P2 F32-208 Overcurrent Protection (Appendix B)2 P" r+ C2 j* q) Z: E) N% F
N 32-206# y9 [+ m7 m5 ]4 e' j
32-210 Overload and Overheating Protection (Appendix B)4 K2 {5 {. u; q" Q! Y- Y' D
32-212 Ground Fault Circuit Interrupter (Appendix B)
+ @) P9 h6 ~6 n7 M( M
, P4 {9 T6 ]3 L4 |Section 36 High-Voltage Installations: n7 g6 V8 _: L& o8 \" N
General6 A- w% u) _/ a/ K; t
36-000 Scope (Appendix B)9 y2 m6 i5 c7 R" x% Q; Q
36-006 Warning Notices( \3 z/ r: }, C% n
Wiring Methods0 D7 }: ] F2 \3 V
36-102 Radii of Bends
- h X! |5 R; ~* [- W36-104 Shielding of thermoset insulated conductors
; ?- D5 X x W: b5 f) _8 P$ q36-108 Spacing of Exposed Conductors (1) table 30, table 31
! r1 i" J7 w4 j) U: I# H0 m36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34% D9 d7 z4 i/ l/ w8 f. G8 E
Control and Protective Equipment+ @- \$ E& i# y9 T) g
36-214 Disconnecting Means' n- V9 H# {( b) t6 z. e7 o# {9 v
Grounding and Bonding: O8 v6 P! H( L( ]/ Z3 `( R! F( O
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections! x% B" D- \6 G7 s- Y+ J( }
36-302 Station Ground Electrode (Appendix B)
! S/ X2 o) X6 ?36-304 Station Ground Resistance (Appendix B)' `2 y B9 J2 m6 y5 J
36-308 Connections to the Station Ground Electrode (Appendix B)
) [+ Y; O5 U: O9 R. x* A( d36-310 Gang-Operated Switch Handle Grounds
6 H. M) H! t: U2 x$ p3 ?6 `36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
+ }- E- G' J) z# B4 b
# E6 w5 e7 j7 Y8 B: U/ }( bSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment
- G$ a5 z/ v, x1 O' d6 T0 d$ Y38-002 Special Terminology (Appendix B)" q4 H+ a3 v% {% E2 z/ H4 b
38-003 Voltage Limitations (Appendix B)/ T9 b8 C5 T @( [# N" N
38-004 Live Parts Enclosed4 {3 c) A( T7 Y- K
38-005 Working Clearances3 m& {: V+ b C4 |
38-011 Insulation and Types of Conductors% L/ d, c7 K C* i' P! w
38-012 Minimum Size of Conductors5 M" U9 W' `+ y! Y4 A4 ]
; d! P6 _: n: ?4 V2 P. mSection 40 Electric Cranes and Hoists' t" @/ J* l2 U! V/ i
40-008 Disconnecting Means
7 j& h' ~* o" K# a1 l# r: I* m/ u40-010 Main Contact Conductors
# B# B( H- R, D( S+ \9 b/ c* ]' j
Section 42 Electric Welders& @! ~1 e9 ?, s1 u' ~) y- A. u0 `
Transformer Arc Welders6 Y% \. a+ [9 J( G# e: Z, A
42-006 Supply Conductors
- \0 X7 @& a$ h
$ C6 \7 m1 Z: c M, A1 hSection 44: Theatre Installations& y5 Y% O# m) `5 d/ A# O7 S
General/ C4 z# P- p7 q% D i+ I: l# D8 o
44-104 Number of Conductors in Raceways1 K9 k9 U2 X1 s/ P
44-106 Aisle Lights in Moving Picture Theatres
. t' }# a% Z; y8 QFixed Stage Switchboards
- K$ j+ F; s% ^6 t: D- O: e* O44-210 Overcurrent Protection3 D; F" C* i# E0 T( f' ?2 m
Fixed Stage Equipment" |, i w- @, g" C- P4 R0 u
44-324 Receptacles in Gallery Pockets! N$ D, w5 D8 ^ X3 s4 [
44-326 Receptacles and Plugs9 G" A# x+ q$ B2 m% J
! u+ J0 C6 [* H3 T4 \
Section 46 Emergency Systems, Unit Equipment, and Exit Signs4 F2 n: C9 n7 r
General
) S. Q- q8 y) L6 ]( j% Z* H* u( x46-102 Instructions7 s! c; W4 p o' Z7 w. o( Z$ M
46-108 Method of Wiring (Appendices B and G)# J2 ^) j! C# ^8 V) H, A
Emergency Systems
' j/ H+ P, @2 a. F' W) x1 n46-202 Supply (Appendix G)0 B v9 Y Q+ n+ g6 W( ^, v
46-204 Control% t) U# ?& `3 E) B% j
46-206 Overcurrent Protection
# E9 ^- B6 T- e* w5 u46-210 Remote Lamps
/ i' Z$ L1 {% S2 [! Y; Y/ pUnit Equipment) b# m0 k- f3 b( l
46-304 Supply Connections: {- j9 {2 ?" W( b
46-306 Remote Lamps (Appendix B)
1 d$ N5 L7 g3 x) h4 M. [- Y- \/ cExit Signs5 T G' T5 n5 Y$ |
46-400 Exit Signs (Appendix B and G)
0 l1 r2 R! F4 y5 o# ~
+ a3 z$ \; x( | f" ]8 kSection 54 Community Antenna Distribution and Radio and Television Installations6 G- {0 s: a( N9 g1 b ]$ w
54-000 Scope+ r, Q/ y7 D* Q6 M1 L7 D
54-004 Community Antenna Distribution (Appendix B)
, _" h! b8 L4 w0 t$ I" rCommunity Antenna distribution
2 G. p2 w t5 v: h) [54-100 Conductors
- @6 p/ v% E$ K T$ t+ `* M54-102 Voltage and Current Limitations (Appendix B)
* D3 s+ I. w, `" HProtection3 } T( Y4 z/ Y8 X/ u4 d0 }/ m
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
0 u" L' a" M; cGrounding
# a L t: x: x. Z V& _54-300 Grounding Conductor
, s- S' d! W' v3 w4 uConductors Within Buildings
! U7 E+ c* {- w" `54-400 Separation from Other Conductors3 O: X9 n) C' Y% v- X( f
Equipment3 h' z3 b ^$ D: }
54-500 Community Antenna Distribution Amplifiers and Other Power Sources; _4 W% H) X9 N
54-502 Exposed Equipment and Terminations) I% P8 r* M9 h+ N8 g5 b
0 Q, Q3 A9 E; o" _: R S
Section 56 Optical Fiber Cables
- G) S; v) M& S# f# f* H2 [2 HGeneral
6 N2 Y1 N! i( Q+ @56-100 Special Terminology
" }4 @: g( V, ]4 u+ { u! O9 W7 h56-102 Types
8 q* i1 G u# I5 S: \9 `/ zInstallation Methods8 Q- m1 x" s8 L2 w% z8 K
56-200 Nonconductive Optical Fiber Cables (Appendix B)
! u1 d' g. k2 @) J2 F56-202 Conductive Optical Fiber Cables (Appendix B)3 \( p' ~* S: m; R
56-204 Hybrid Cables
- H/ m8 l; o" R; v2 o56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B). K, a7 ?8 ^$ H% C% t( i2 n
1 J* D4 M- C" P7 ]& c; P0 T8 H/ k
Section 60 Electrical Communication Systems
8 B( }2 G/ |2 DGeneral$ d+ C' n4 R9 u8 z' @
60-100 Special Terminology5 `1 G3 ~/ J( ^0 {
Protection1 B. W9 M( b1 J {7 C/ Z% k
60-202 Primary Protector Requirements
7 D# P! z8 D0 w* }9 D3 ^# |' bInside Conductors7 D$ k) h/ A; `; q* T& r
60-308 Separation from Other Conductors
* }9 T% X) y) ~! G# o7 ^Equipment
5 @ u$ l7 o) y: N* {- ]60-404 Exposed Equipment and Terminations
$ ~ w6 E; E% QUnderground Circuits
" W8 Y6 B% g& c- n! k) V. y60-600 Direct Buried Systems8 l9 f- X# B: ?; v. H6 P, ~; k V0 U
5 k8 b5 v/ T( f, m1 A }* I" G: ASection 62 Fixed Electric Space and Surface Heating Systems# Z% @# S: t, t
General+ C- ]' q, B$ b$ u9 H
62-102 Special Terminology
9 m; H7 V$ X' n62-108 Branch Circuits" ^ c. ^" e* q! J% T4 }! @
62-110 Installation of Fixtures
$ J4 j3 d0 P* A2 g/ ?$ z% c62-114 Overcurrent Protection and Grouping (Appendix B) (5)) o' e' {: s2 s0 ~# r( v
62-116 Demand Factors for Service Conductors and Feeders (2)
P$ [: w, n7 r/ y5 X62-118 Temperature Control Devices
$ a* _8 \+ R5 i" F$ y8 r* Y62-122 Installation of Series Heating Cable Sets (4)(7)1 i7 K& I$ v" \; |; C* t
Electric Space Heating Systems
6 d5 M5 Q) ^3 u( r3 X$ J/ C62-202 Temperature Control$ q* G0 J4 e; T0 r
62-206 Proximity of Other Wiring (Appendix B)% X3 q7 F2 o0 \
62-214 Installation of Heating Panels and Heating Panel Sets& h+ }! w& K! x- j0 [1 j5 s
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings& H3 Z( R) k5 A
62-226 Installation of Under-Floor Covering Heating Panel Sets- B) G h" X6 @& v$ H& K
Electric Surface Heating Systems
8 f/ b2 m7 K U. K' w62-306 Heating Cables and Heating Panels Installed Below the Heated Surface0 Y% X6 I4 h* ?
2 @# f" J% O1 Q8 N# W8 `, {Section 68 Pools, Tubs, and Spas- |, d" X5 p+ X& o% E
General
0 b \# f3 P$ s# h, g68-050 Special Terminology8 o* R5 C% W% V
68-056 Underground Wiring - Table 614 x A9 z9 S, q0 c
68-058 Bonding to Ground (Appendix B)
( j7 z! Q2 g" u" K* B+ \# M5 t68-060 Junction and Deck Boxes (Appendix B)
. J& `( h* O2 F j& b68-064 Receptacles$ B* M& u- Q- ~3 \2 p5 g& g
68-066 Luminaires and Lighting Equipment
" ] X: X/ w. M0 L68-068 Ground Fault Circuit Interrupters (Appendix B)9 y) l# p$ s% j* d5 H
/ ?! j9 e$ |1 ?" r
Section 70 — Electrical requirements for factory-built relocatable structures and
- g9 d6 }" v. vnon-relocatable structures2 S3 A, g% y; Z# c* q) C8 d( a
70-130 Tests (see Appendix B)
. U& }" d; o1 |7 y3 |2 A
* N2 i2 K7 [3 OSection 76 Temporary Wiring (Appendix G)% }0 K0 Y# q- J7 W! H
76-004 Grounding
1 Y) g0 o; V3 o- O. w4 D. g9 v76-008 Service Entrance Equipment
* o) K2 Q4 m+ C8 |3 b9 F3 h zN 76-006' L( C, U2 h# @, Y; x- K M* [9 k
76-014 Branch Circuits. {4 J- t! `, k- A% N
N 76-012
8 C3 f5 M" y- P- D1 M" h( n7 e! Z1 @( V
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
+ M: }* o2 R. ]Marinas and Yacht Clubs6 E/ ~. J6 E2 B5 ~1 H4 c
78-052 Receptacles
; x9 J9 C& Y6 W8 q2 W& p2 M78-056 Feeders and Services
% y" q8 ~0 Z# h' rMarine Wharves, Structures, and Fishing Harbours
9 k; _0 Q9 k e- T, }8 i78-106 Grounding and Bonding t6 F* D& u* W' R3 T
Tables
5 l& P. M. ]/ C# i1,2,3,4,5A,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+ s' x$ ]) ~% w( h0 R9 u0 J7 r9 u
: v! t9 c0 M( g3 m8 m# EDiagrams: 1, 2, 7" S: W3 R4 I( i4 _" j. N
A+ I5 f% K9 Q: Q( u. B. W
Appendix B
* h8 v1 k7 L- P# q9 [1 }: SP352: Ground fault circuit interrupter- 6mA
5 I+ {8 W7 Z1 C! T! l' yP354: 2-126 FT1, FT4; V& o$ }2 u' t) c8 O) l
P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)9 M# ? A% P3 G7 K& p
P367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)" V Z, p J. N2 O
P370: 12-1012, 1118, 1214 Example:3 o9 ^$ Q' M9 A
P371: 12-1108
' {7 X; x+ U( @6 FP381: 18-108(1)(b), 18-158(1)(b)1 K5 S; s3 k4 c1 h" i; L
P386: 24-206! z2 j6 Y( u! W* N. @; k* F" [
P389: 26-256; G, }+ _! @8 @2 i& a2 l
P391-P393: Section 28, Example to determine Motor Conductors and Protection+ W) [0 m) |* O( P
. V; d( x- Q% P* K
Appendix D. C" m8 q3 l0 l! T+ ?' @
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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