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Canadian Electrical Code Review Guide
( l2 m2 a( E' ^9 s' ^For the Exam of Electrician For Red Seal License
& s: v& w& {" D0 ^+ s0 p" i1 T* z8 j5 [8 G* P
Lesson One
+ }* D. Z- E0 z, s! DSection 0 DEFINITIONS- l5 P( \! q9 u [* {0 O! Q
This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:+ x$ u3 M: j$ O4 N4 f
Accessible as applied to wiring methods) k0 q$ g! ?( O0 `
Alive or live/ G$ L2 c: C Q) }8 A. W$ b
Aluminum-sheathed cable
5 {+ O- q; |) a+ h' h- V- OAmpacity( [. ]9 r$ S! x. i9 E: C6 B( Q
Authorized person
: f, r1 E' I0 h, EAuxiliary gutter6 d& m0 w2 f t+ T% L8 K7 b' s+ P7 O
AWG
9 E$ a9 r6 o( y/ zBonding/ T K' b6 _# B6 Y6 |; s" B( C' Z
Cable tray
& A+ T3 n: }* G4 f( fCellular floor
3 Z$ V2 _, H8 f, q8 ^3 qBranch circuit
4 j' B0 [. C8 d* y$ E# @! UBus* \3 H3 d- F9 ^% z5 x. V6 N
Busway
& V: K/ `! u$ e5 eCommunication circuit3 @! x! ?2 O9 d* T0 o& D- ^8 O# q
Extra-low-voltage power circuit$ ?7 w" S9 C4 H9 j+ f- w
Low-energy power circuit" y( g& W7 u( U+ M( v
Multi-wire branch circuit3 @0 T/ S5 C1 y2 }. K
Remote control circuit
' W+ s5 Y( M$ W0 W* K8 fSignal circuit
. b/ k7 U8 H7 m/ [% E) g- sCircuit breaker: Y' v% V9 z- F. M$ B& V1 i
Instantaneous-trip circuit breaker/ K9 Q( b* Q- b! H! B
Conductor
" h. F, a+ ~6 {, R) F% w* qConduit, m3 E) S- C+ q$ d
Flexible metal conduit
( u1 v$ u& e2 R' w% G( p Liquid-tight flexible conduit7 }3 @" B6 ?: U2 S8 g
Rigid conduit0 Z# }, @" j: ? d- a
Rigid metal conduit; e) ~* B( R) m7 D& l' a9 {
Rigid nonmetallic conduit0 z! B) E. R% M, a1 ?
Rigid PVC conduit
; K: B; @8 A9 c& D! sConnector' f! r3 f `' R. t
Box connector
6 l. u9 y: s& S Wire connector# x1 L: v. k0 l# A1 e( c
Controller
0 C: g" X9 Q* GDisconnecting means
. d3 P3 N" l. J8 s, E( U! m7 VDust-tight
' [# W* O% {( {3 d$ yDwelling unit5 L; Z7 u% Z/ N& I' ~; }4 U$ U1 r
Electrical contractor- z3 _; Y" k/ I9 Z% d
Electrical metallic tubing
6 J* z! b& \# ?4 I K# P6 Z& QElectrical nonmetallic tubing+ N- F8 ^/ P5 W; T( O# [/ P
Emergency lighting
% X! |3 K7 e; Z$ |2 tExplosion-proof) E6 `1 T) ~& X" l$ q4 C
Extra-low-voltage power circuit* u! T( }3 J* N& ^- R( m
Feeder
, [1 |5 }" u" ~/ ?3 _0 XFlexible metal conduit
! w4 D( k# V6 ?9 {, ^! }. aGround
. J2 P9 Z0 d+ a; p' b( Z7 \Ground fault circuit interrupter: g( N. @; J; [% e; G
Grounded5 |! E9 [( O B, F6 q1 c
Grounding1 V0 v$ W f* I! e7 T
Grounding conductor
% N5 L: M9 J- v5 |1 d X! l! TGrounding electrode6 U# M& t h5 @) c# R6 _1 U
Guarded0 {7 i% J: X: l
Hoistway c) a2 R5 @- g4 ]4 u, u* p
Identified' L# z, @1 \( w8 A. a8 s
Lampholder
: k& H6 t* D. L; Y. R2 X _# {" t$ rLow-voltage protection; F) u% P2 _( A3 E% J
Low-voltage release
' h5 ~6 {7 T8 m! k! x7 H4 mNeutral& p& f2 X6 q' }3 B
Noncombustible construction
) C7 \2 }! y' w: B+ K1 eOutlet
8 {/ j9 W! _8 m; n$ b; _# ~Outline lighting
' K. b6 S7 J% h0 YOver current device
! l! j1 H" o# Q, L) xOverload device# I1 a3 G( O9 t2 s
Panel board) x+ A" j* |' A) k
Panelboard, enclosed
0 T7 d+ A i0 x6 NPermanently connected equipment
2 ?, u" R6 Q$ \, r6 S$ T7 Q' e* `* z: cPermit
) p; W1 V2 t: ~ ?' GPlenum
, q: D' r2 w5 n; O) v Q6 v7 F+ HPortable as applied to electrical equipment
$ _: P+ {: [, F: y/ c/ dPortable ground fault circuit interrupter+ }1 G9 G! ^* H$ k- g
Power supply cord$ h) d3 u7 c, f% y0 V
Raceway
4 e7 D$ L; M8 [Receptacle
* h7 b3 R3 N" a6 _5 a Duplex receptacle. d' R6 X/ A9 ^3 z8 q4 F# R+ g
Single receptacle y: L7 e# P. W9 c
Split receptacle- ]+ G% H3 |( C7 h+ ?# h
Service, consumer‘s
' V* l: ]2 p. q3 P0 j% {' cService, supply4 e; S$ E% y+ w
Service box1 {/ m$ U8 S/ b: R
Service room
. z1 g$ ^1 X5 S v! [( D' R- ESingle-dwelling
5 E2 w2 r) ?3 P; c; w9 g5 p8 }1 kSlow-burning as applied to conductor insulation3 F3 W8 r* Y$ W" U' T
Splitter/ ]" g) O9 Y* X
Starter( g3 ]3 G' K$ G3 w+ M0 d; d" f
Switch; S* i+ v1 p% W$ N6 w7 q
General-use switch. J+ z; ~. a" x: i% w/ y' a
Indicating switch. e/ W3 `8 p, ]3 r" R P
Isolating switch
6 O9 t! ]! V3 w {1 G" ~8 s6 |$ J Motor-circuit switch: c* ~, \# l2 W2 l5 B
System/ P9 m" F; p) [! s
Communication system1 Z4 z8 e8 N7 Z% |" Q, C
Community antenna distribution system(CATV)
7 U+ r6 V' u' n6 j Grounding system
, H. V7 k0 A) r5 \2 V8 \2 l3 n m. ]Underfloor raceway" A8 R% W# c) ^; o) I9 F, F
Voltage:
% d8 F6 N* N5 p5 g5 R Extra-low voltage
8 v( h; P& l# w; o" b% H High voltage& d" b- X3 D, c1 ^( c% q
Low voltage
; E, I+ x( T* Q7 K. p! tVoltage of a circuit* k, c* x# }% ~9 k/ l t
Voltage-to-ground
6 u( ~$ V1 S! c, R5 f$ j/ |5 sWireway
- W2 \0 G3 k6 [1 l! Z- k7 Y
' X) d8 q l" YSection 2 GENERAL RULES
7 |: {9 `8 \! S/ m/ J8 [Administrative4 s4 m2 {% g; l; X, q0 l
2-018 Reconnection7 _% Q6 a& |+ Q: O/ q- v
2-030 Deviation or Postponement
4 {( D0 C$ v3 }" B" Q! KTechnical General2 R. F8 ^( x: j) ~
2-106 Circuit Voltage-to-Ground – Dwelling units
3 W2 w) a# i9 _* Q) ^2-114 Soldering Fluxes% ^% O. H0 B* ?9 K) a5 X
2-116 AWG Sizes of conductors
' K d3 b Y% q5 I2-124 Fire spread (see Appendices B and G)2 K5 V6 x6 @/ i; V
2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
% r; i; p. H$ WProtection of Persons and Property6 Y6 |6 w' r5 ~! ?3 h2 o4 H
2-202 Guarding of Bare Live Parts/ L" H6 Z8 J6 q5 D& X
Maintenance and Operation8 `% k# h$ D0 {% T& t6 @, G
2-304 Disconnection
?7 g$ d% j) X- Q) m4 H2-306 Maintenance of Live Equipment
& @5 g% T- W* k9 yN 2-306 Shock and flash protection (see Appendix B)" n8 f+ N3 q$ R+ Y& Y, c
2-308 Working Space About Electrical Equipment: Table-56- @2 j0 e. V) p6 a! H) d$ l1 j& }
2-310 Entrance to, and Exit from, Working Space
1 A/ g3 Z. f0 w0 y9 |2-320 Drainage
* w1 Y* N5 A; z! r+ H# a& O2-322 Electrical Equipment near combustible Gas Meters and other Devices
# x, K; U2 x4 T% TEnclosures' r" g. ~2 o U4 R; d1 L
2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c) % F1 a: y8 H/ n2 Q
2-404 Marking of Motors: DP, WP, TE3 h' D; N+ D5 @) T4 u: j
, F" z$ U0 ^. |+ K h7 @
Section 4 Conductors
* k; Z- _& G4 F# ]' O& D- S4-000 Scope
. g' E9 u4 c6 Y! i1 P+ g4-002 Size of Conductors: 14#, 12#8 Y- R7 V; P9 e& b3 y% u
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
- ^( U# K# R- L' O5 X6 C! y4-006 Insulated Conductors: Table 19
7 s& T# Q7 M: Z8 ^$ e# j4-010 Uses of Flexible Cord: Table 116 w3 |7 i; ^8 ~' {7 N
4-012 Sizes of Flexible Cord
& C K+ ?# i7 k# i4-014 Ampacity of Flexible Cords: Table 12
" P- i1 ^" w1 a4 h J8 [4-018 Equipment Wire. ?# g, d T% L6 z3 O# B
4-020 Insulation of Neutral Conductors
0 a+ @' z1 V1 `# y) c2 ]8 h' @4-022 Size of Neutral conductor1 t3 q" m8 C: v5 {* X
4-024 Common Neutral Conductor
0 N- z( d' O& ?5 z4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
, ]" Z+ S6 u; o4 w4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
+ B4 N9 t2 b" V) h6 _' `5 p4-032 Identification of Type MI Neutral Conductors% U6 s' {# f' C r& G
4-034 Use of Identified Conductors
+ i' l! T/ M) M4-036 Colour of Conductors: Phase A, B, C, …( T) ]* y$ F: c a8 z4 ]0 A
) ?( Z4 c/ y5 T8 L+ }. C2 K
Section 6 Services and Service Equipment
. u2 T6 x9 K. F R2 F; l' cGeneral
% Z( @3 r4 U$ z- q& t6-102 Number of Supply Services Permitted( w3 F: h: L* b
6-104 Number of Consumer’s Services Permitted in or on a Building* |# I7 i9 ~5 I3 _% E
6-108 Supply Service from an Electric Railway System
1 I, x8 |, g) G6 z7 a6-110 Three-wire Consumer’s Services
7 t& s7 o7 s1 T& a7 F6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors9 J; m2 K U3 h
6-114 Methods of terminating conductors at consumer’s service
2 W% C1 N8 z) q6-116 Consumer’s Service Head Location
3 N$ p* h" z% L. u5 M" rControl and Protective Equipment0 J0 Q5 H: F* W4 a0 Z$ M
6-200 Service Equipment
H1 D9 @, |+ Q4 j% N" y0 Y6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
6 `- v- b/ ^. ^/ N( P( u& i( ?6-208 Consumer’s Service Conductors Location
& }4 j8 x! |6 p/ a6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
3 }: @( L' S) e4 F# B6-212 Wiring Space in Enclosures- V; c2 g* |0 e3 I, I7 _' h) j
6-214 Marking of Service Boxes
) s5 N. Q& Y+ O- cWiring Methods: \( G0 T" o: x6 h6 r
6-300 Underground Consumer’s Services% Q- r' H- ^4 L; r# `$ [
6-302 Overhead Consumer’s Service Conductors
1 e" W. k5 q0 h' P. U# c6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable
* z( O0 \# ~- }6-306 Consumer’s Service Raceways
5 _& N- {6 T" z8 d: ^1 V+ K! n& ?6-308 Use of Bare Neutral in Consumer’s Service
( R' ?6 P7 T4 }3 C. F1 c3 X9 N9 _6-310 Use of Joints in Consumer’s Service Neutral Conductors
2 M! y- Q: c% u6 V! u6-312 Condensation in Consumer’s Service Raceway
$ F' j: t: ]) h! D6 H& R6 YMetering Equipment
8 y/ C! K) n, c. T! q% F7 d5 q9 p6-400 Metering Equipment
% f/ p1 n! C, H# I4 E3 ~7 ]6-402 Method of Installing Meter Loops+ v7 B7 a2 \& N: Q$ ~
6-404 Enclosures for Instrument Transformers
. g8 o/ Q0 \2 u7 @: v: Z6-408 Location of Meters
) l: s* R. K# N4 C5 `7 a/ f' e! X3 {5 m% Y6 m" a1 G
Section 8 Circuit Loading and Demand Factors
5 [* ?0 V0 @% t! V2 nGeneral
; n4 U0 K) y' B! A V7 ` O( T8-100 Current Calculations
# E9 B. F4 Z" L5 \) R8-102 Voltage Drop ( see Appendix D)
! n0 k) J% d9 w6 x8-104 Maximum Circuit Loading$ q" J! v* k7 S4 K4 G- Q
8-108 Number of Branch Circuit Positions
/ u$ y( P8 f; ^% J& q! p7 `. K) ~8-110 Determination of Areas
- Z0 ^/ o0 g9 _( p* O" vServices and Feeders8 |+ [$ u& F5 H- Y; O* m2 R/ E5 \
8-200 Single Dwellings (see Appendix B)* V- T5 C7 w8 A9 D2 z
8-202 Apartment and Similar Buildings5 h" O( o+ A; o O
8-204 Schools
7 J7 X+ M( i9 x, b8-206 Hospitals" |" ]) L+ @4 ~2 r0 `
8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy1 l& W5 \3 V' {& x2 m: _
8-210 Other Types of Occupancy (Table 14)' Q8 {6 k1 B5 |; @
8-212 Special Lighting Circuits
& S5 R$ B* d! K* HBranch Circuits
/ {0 D! n7 j7 R" n; L8-300 Branch Circuits Supplying Electric Ranges
, k: c) { Q7 V4 f1 s+ t% M/ h8-302 Connected Loads
, J( \) \% q4 p: ^. M- m9 E. U7 I7 b8 p# F( H0 W2 k$ I0 `2 x) M
Section 10 Grounding and Bonding/ p1 _& [* T/ B% M' G0 f' C
Scope and Object
& Q/ w& e$ s# [, d4 C# {) f" A) K10-002 Object
# G1 K2 `8 Q4 s& R8 y/ M* ASystem and Circuit Grounding
4 a- q- L+ F8 F4 O* d3 K10-102 Two-Wire Direct-Current Systems
5 G- {* E, b' {! u; E10-104 Three-Wire Direct-Current Systems
( j" ^! h: ~3 h: e! R: ]10-106 Alternating-Current Systems
; h( C/ E4 r, V, z, `- z' S) P9 e10-110 Electric Crane Circuits
$ ?/ j) U/ J! N9 q+ w: v |. O10-114 Circuits of Less Than 50 V
) I' s# Q: _: v4 Z# B8 K10-116 Instrument Transformer Circuits
8 y( I( g! l- v! AGrounding Connections for Systems and Circuits
0 h4 K3 c8 ~2 u( {$ i e" ^2 r10-200 Current Over Grounding and Bonding Conductors
T% ^7 Y5 a, m) @+ b& f0 E3 O10-204 Grounding Connections for Alternating-Current Systems+ L" O" D+ ^, o( ~
10-206 Grounding Connections for Isolated Systems8 s+ g8 g7 S7 c5 U' U
10-210 Conductor to be Grounded
# N/ ~- G4 ]4 f7 ?9 P3 gConductor Enclosure Bonding" D$ k* t# c7 A* N2 c
10-302 Other Conductor Enclosures% D& {9 ^4 c6 B9 _' a# k
N 10-304# j! c& H! X8 Y5 {' |5 E
Equipment Bonding
: n: ]$ y% `; u10-400 Fixed Equipment, General( e# M8 f2 P$ {$ e
10-402 Fixed Equipment, Specific (3), (4)
6 X$ s. B. }7 H10-404 In Nonmetallic Wiring Systems
. u. D, s# e! x `0 v10-406 Non-electrical Equipment4 V) q, V0 v: |# l% [8 c* A- G
10-408 Portable Equipment (4)(b)' }5 H. `3 L$ b
10-410 Instrument Transformer Cases
1 d! j( j; f. e) {% c* `% L10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
1 ?. [+ W8 I6 A( J10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V( X1 @/ n* Z" r; Q# O; E3 u1 M
Methods of Grounding
8 K2 T7 a- J$ f) s10-500 Effective grounding (see Appendix B)+ A8 j* o6 U5 q! c
10-502 Common grounding conductors
* h$ Z. E- n: e/ }10-504 Common grounding electrodes5 L" L k- L4 c" V; I0 ~
Bonding Methods
/ M- i4 r" g) b10-600 Clean Surfaces- i8 e" R ]9 \5 ]8 f
10-604 Bonding at Service Equipment
; v5 Z* e2 x6 t _& x: W+ I( Q& s10-606 Means of Assuring Continuity at Service Equipment& S+ p2 C: f9 {3 c
10-610 Bonding at Other Than Service Equipment
. B. O8 P! J* E2 l9 G5 Z10-612 Loosely Jointed Metal Raceways. ^/ Q" V( K2 F( g1 O- f
10-614 Bonding Jumpers Table 41) o; V2 l, E( p4 w. G4 U
Grounding Electrodes
5 r9 X: U& a9 L6 v, r10-700 Grounding Electrodes. R* o) P& C" \5 G" H: c
10-702 Artificial Grounding Electrodes
6 e8 {* a) V, c$ I A/ c! EN 10-700 & 10-702$ _8 A& F# x6 I* i
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G). j. n/ j; K" b2 Q2 \0 [, @
N 10-702
5 h: [. r/ f7 l& N* \. P10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding( {& d2 ?% }5 H8 Q% n- z# f
N 10-702
0 A$ S7 @. A$ [5 @$ P) K10-710 Use of Lightning Rods (Appendices B and G)! P/ A& ?# V$ R1 q* Z6 l6 Z) R S7 ]
N 10-706
0 p( M$ P* ?6 f. F" j+ g! YGrounding and Bonding Conductors
* N% i; J5 H, b* C10-800 Continuity of Grounding and Bonding Conductors
4 ?) V7 K5 j, d( \10-802 Material for System Grounding Conductors
6 s5 e9 O8 y5 s10-804 Material for Bonding Conductors
5 ^, r& P) p7 a. ]10-806 Installation of System Grounding Conductors/ N3 {! H7 C. Y3 ]5 Y
10-808 Installation of Equipment Bonding Conductors* `, {0 K# y% I" W
10-810 Grounding Conductor Size for DC Circuits- T' @) R" `+ W$ L9 D
10-812 Grounding Conductor Size for AC Systems (see Appendix B): |5 \2 q7 V( ?
10-814 Bonding Conductor Size (Appendix B)
* @: J$ a2 Z0 h& z10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment) [1 t% L* i0 [4 b6 J1 \7 F
10-818 Bonding Conductor for Outline Lighting
/ u! I9 R7 ~: P. b$ E10-820 Bonding Conductor Size for Instrument Transformers+ K i' E4 E& p/ u7 R0 o
Grounding and Bonding Conductor Connections
4 A2 P6 ~8 X: N% ]1 G% x; D+ z2 E10-902 Grounding Conduct Connection to Water Pipe Electrodes
; ~1 u( M$ M3 n+ g- I2 q$ s10-906 Bonding conductor connection to circuits and equipment+ e/ n# I0 t- P M v: m/ O. n
10-908 Grounding Conductor Connection to Electrodes
/ ^9 y1 ^/ `; v5 e7 H% wLightning Arresters- U! W& ~4 }6 n/ p' l* `7 @9 ^
10-1000 Lightning Arresters on Secondary Services – 750V or Less
^3 x6 q' P6 ~6 y/ F
# U9 t4 ?/ e% V% n0 _9 R, ~# \Section 12 – Wiring Methods* o& [1 L9 Q0 Q$ n
Scope; i! R Y2 n e7 w3 Y
12-000 Scope (Appendix B): n9 ?3 O- l) s% a
General Requirement
+ a' E2 p3 L1 K# M( m12-010 Wiring in Ducts and Plenum Chambers
' V3 i- H0 X7 G: V( U12-012 Underground Installations (Appendix B)
0 j! Y. P# P9 U: B8 l12-016 Lightning Rod Conductors
8 E* V& r/ d! t; j1 ]6 D3 ?3 w) wConductors - General
. C$ X! o" m/ h \) Y12-100 Types of Conductors (Appendix B) Table 19+ t1 n% q; z0 [7 a2 F9 v; Q
12-102 Thermoplastic-Insulated Conductors$ \- V4 o' p V, z. y% @+ q
12-104 Flame Tested Coverings
1 B6 w& `3 q% m n( l12-106 Multi- and Single- Conductor Cables
' Y8 P7 H' @# ]9 Z7 l12-108 Conductors in Parallel (Appendix B)' r9 Z+ R9 X9 H
12-112 Conductor Joints and Splices
! X- O/ F6 N2 T+ v% A5 j12-114 Ends of insulated conductors( L) u$ P: A/ M( i9 ]3 C
12-116 Termination of Conductors (Appendix B)
& x1 q2 Q! Z$ |1 _12-118 Termination and Splicing of Aluminum Conductors
1 R9 ], D# g5 K7 r7 V12-120 Supporting of Conductors - Table 213 Y9 f D$ y" x( {8 w9 q) G S
Open Wiring; Z- k. r! I5 C# i6 S1 r, Q
12-204 Spacing of Conductors
/ o1 @2 G! ]. q( M12-206 Conductor Supports
c* _- b# f/ g" P: O4 u12-208 Conductors on Flat Surfaces
R3 v$ H: V$ K- e0 s12-212 Protection from Mechanical Injury+ d9 n6 U5 Q8 g' \$ n T6 N2 m+ F
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
: a$ {) O$ m( Q* O" R4 Z9 W12-308 Minimum Size of Overhead Conductors. |( j' {6 U6 A% o
12-318 Use of Neutral Supported Cables/ r# y$ D4 @" }5 ^' G/ l0 p7 N
Nonmetallic Sheathed Cable
" N: a9 K6 B. P5 s3 R4 F) z6 @, H12-502 Maximum Voltage
# E/ X' j) Z5 |& t3 r12-510 Running of cable between Boxes and Fittings (Appendix G)8 }+ l! C% N. w7 D3 X" Z) K8 `
12-514 Protection on joists and rafters
' G! `& a" y. O6 c# [12-516 Protection for Cable in Concealed Installations (Appendix G)6 l% }% t6 Y) h" I/ }7 f. Z7 \# w
12-522 Where Outlet Boxes Are Not Required3 A; o" C* T; q' Z* d/ H$ p" ^
Armoured Cable4 f; p* Q$ \/ |% U% Z
12-602 Use (Appendix B)
9 q7 Z4 O2 c5 p2 e. g1 w* ^: H12-604 Protection for Armoured Cables in Lanes2 k3 v- v( W2 H* x4 U* J! m8 ~6 D' ~
12-606 Use of Thermoplastic Covered Armoured Cable9 u3 \/ R" r" @& R* C) m' C
12-608 Continuity of Armoured Cable1 E9 S# a$ ]( o L% a7 ?
12-610 Terminating Armoured Cable
. {/ o5 C" @% e4 D; N12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems
% O6 R5 k1 X$ @( z5 Q0 f/ l12-614 Radii of Bends in Armoured Cables5 _7 L4 G2 `. k; d; H2 O1 A6 [
12-616 Concealed Armoured Cable Installation- G- l# W) e" {% I' a0 R m. ~
12-618 Running of Cable between Boxes, Etc: ^% K) k' H6 `. w; }& J' D
Mineral-Insulated and Aluminum-Sheathed Cable
* R* y& |5 [. r12-702 Use0 ?+ `; j; a! r* I. c* l6 ?, ~
12-704 Use When Embedded9 f' C5 u, {& a% E
12-706 Method of Supporting
( \& h3 j/ t( ~" r: b) M12-708 Direct Earth Burial2 s5 k4 h. Q$ g: p0 p( v& ~# | G
12-710 Mechanical Protection
8 L' A4 h( m3 e) J- j1 k- r12-712 Radii of Bends- g9 C8 Y+ m, k& V# j
12-714 Termination of Mineral-Insulated Cable (Appendix B)" R+ N* s; N- O4 ?7 a- q' a
12-716 Connection to Other Forms of Wiring9 r! w0 ~& l# b( k. Z8 e- X
Flat Conductor Cable Type FCC
" f* v: s5 z2 U' L12-804 Use Permitted* k! a F* K: `: V
12-806 Use Prohibited
1 C' B( }# ~7 x. w- V12-818 Anchoring
3 f: v1 q: D7 }/ m7 q9 r2 O12-820 Crossings9 R' M+ |2 X( |, z) J: w
Raceways - General
- V5 [6 y0 k; B3 ~/ L7 q$ e12-904 Conductors in Raceways
% u/ a! c s1 P* z1 v/ q12-906 Protection of Conductors at Ends of Raceways
u9 W2 ~: i" \. T6 O12-908 Inserting Conductors in Raceways
; d, p6 i3 J* f) e9 }/ [9 @- B12-910 Joints or Splices Within Raceways
( F( |) P9 `" w. d8 f; r# {12-912 Stranding of Conductors i& r: T3 p2 o3 ~
12-914 Electrical Continuity of Raceways
' Y. {. z; @* m9 m% Q12-922 Radii of Bends in Raceways
# b& h6 v$ j% FN 12-922 Radii of Bends in Raceways Table 72 e2 V* ]9 r- ^0 ]* N, _
12-932 Protection for Raceways in Lanes7 ^4 X$ V3 W6 p* i5 X+ p
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)7 o' c5 p! l' ^
12-938 Capping of Unused Raceways
) G2 ] b* Y5 h& t4 E x! k12-940 Maximum Number of Bends in Raceways
2 t9 p. h9 I! ~% d6 }( HRigid and Flexible Metal Conduit
d" u2 S6 I" ?, `12-1002 Use
+ }6 F* m/ m& A Y12-1004 Minimum Size of Conduits
) O# y1 ^1 B& I% A. V2 n12-1006 Conduit Threads (Appendix B)
" e' B! A( E7 s/ A% o4 A( f12-1008 Thread Engagement$ @' M9 u% n" w( Y0 [
12-1010 Maximum Spacing of Conduit Supports4 Y. W0 B& v* ~
12-1012 Expansion and Contraction of Conduits (Appendix B)
* ^9 q9 s5 T) v- d) q) V. D7 G12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6
5 B2 z" U& d: t+ Q! \9 H# hRigid PVC Conduit and Rigid HFT Conduit' {+ S, E% E; Y2 ^, D2 k; X
12-1100 Use
9 Z7 z; V X4 }0 R: @, h12-1102 Restrictions on Use
& d0 c( k4 K1 m3 H$ y12-1104 Temperature Limitations (Appendix B)7 L* }8 X& P- |6 X
12-1108 Field Bends (Appendix B), (2), I' T& @% D1 j% }' H
12-1110 Support of Luminaires
' r+ l9 Y8 ] }12-1112 Fittings
Y8 z, h1 t ?) v12-1114 Maximum Spacing of Conduit Supports4 v- P/ A9 n* R
12-1116 Support of Equipment5 Q* M5 _+ D7 l: A0 T$ f
12-1118 Expansion Joints (Appendix B example)$ V" ?; L. p O
Rigid RTRC Conduit
?, u X y) B. P, }12-1210 Temperature Limitations
/ N: [* L+ F' F, X/ X3 S1 c4 E12-1214 Expansion Joints (Appendix B)
3 L& f* J% q, l5 ^7 V( s4 jLiquid-Tight Flexible Conduit9 q4 T- d2 k; [
12-1302 Use of Liquid-Tight Flexible Conduit
( g e- d4 H% v) I# z* I( C( x. w12-1304 Maximum Number of Conductors- ?& ^5 H& C) |5 D& J3 B) P3 c
12-1306 Provisions for Bonding
+ V- P& x# U d+ oElectrical Metallic Tubing( e/ \' c7 _ z# @! k! _0 A
12-1402 Use
' O. x4 h2 R, v12-1404 Supports
. r; e, w4 u* j& W2 ? {1 c12-1406 Minimum Tubing Size4 o1 L6 v! F" N, c9 [9 ^
12-1408 Maximum Number of Conductors
% k' y3 @' q: p# W12-1410 Connections and Couplings
" I5 L4 Q6 R; ~: T/ P7 T- @12-1412 Radii of Bends in Tubing9 }- W* y# |8 Y, D7 P, N$ o% Y
N Table 7
0 C; ]! Y7 {) WElectrical Nonmetallic Tubing
. s! V' Y, z, t/ k# q) `12-1516 Provision for Bonding Continuity7 z" s$ X2 m- D I
N 12-1514
( b* h' D8 P# B& N. f1 ?7 d3 K) K7 cSurface Raceways5 ?2 Y% k% g! h* s7 l6 e+ m! {
12-1602 Use of Surface Raceway (Appendix B)* j G( s U- e0 M$ _* R
12-1604 Temperature Limitations
! P+ b2 o8 U& _/ x2 K7 r, h0 }12-1606 Conductors in Surface Raceways (Appendix B)
3 P/ A( [$ ]( I' Q12-1608 Maximum Voltage1 G' k" i! b( s" l4 `
12-1610 Joints and splices
5 C! h; e& O& CUnderfloor Raceways& ?3 @5 H% K( q9 X* E' A# |5 I
12-1712 Discontinued Outlets in Underfloor Raceways
2 m- C6 e6 R" }$ g) t2 MCellular Floors6 Z4 u6 s4 M+ r- N
12-1804 Maximum Conductor Size in Cellular Floor% G) b- G J: F* `* A# M
12-1820 Cellular floor discontinued outlets
) Z2 h# }' A% J0 XAuxiliary Gutters- x& u$ ]& c$ |
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
: i3 ]( `* a2 y" A- \! y. U/ y12-1902 Auxiliary Gutter Supports' X# C1 k4 ~3 d6 H& O2 [8 p
12-1904 Auxiliary Gutter Cross-Sectional Area8 f% q7 L. [. ]* y5 U( ]
Busways and Splitters
- G, \% Z' I6 s12-2004 AC Circuits in Busways and Splitters7 U, D+ {8 B- c2 L
12-2006 Busway and Splitter Supports
) Q' f4 Y/ o, m* c12-2008 Method of Installation of Busways
8 j, e+ O! \) }( _# y12-2012 Reduction in Size of Busways9 Z" P. z' _; J7 f3 [
12-2014 Length of Busways Used as Branch Circuits2 K3 \, N8 [3 E# [4 d& A; K: [
12-2018 Taps in Splitters1 O+ a5 n9 m! E- u9 ?% U
Wireways
7 ?& N/ Q f2 l7 l) A" _12-2104 Conductors in Wireways
# j; ^3 ^) z1 ~/ [12-2106 Taps and Splices in Wireways
9 G. Y9 k0 [0 d7 E G Cable Trays5 N- E; p! J5 F0 ^. c, h
12-2200 Method of Installation (Appendix B)# _( c. {3 J" c" k Z u
12-2204 Joints and Splices Within Cable Trays
; \/ p" d @7 k5 u9 I- q2 T/ |7 C8 I12-2208 Provisions for Bonding
5 W' q' I: \9 \. y. b- x) M/ A12-2210 Ampacities of Conductors in Cable Trays, W9 A: q* ^' C
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
1 r( u, j; l) E! u& V; U" v L12-3000 Maximum Number of Outlets Per Circuit
, i( \# Y! f- E& [2 n$ m- }N 8-3041 k& g$ J# i3 U4 o, Y; V8 {
12-3002 Outlet Boxes (Appendix B)
* [" O9 I9 s( Y! |( vN 12-30004 M5 ~. \. n5 j: f' B* K4 |! g2 y
12-3004 Outlet Box Covers$ `+ P" {6 B7 u7 A: D0 ~$ f
N 12-3002' \1 o! z P( K' [# Z. T) U+ x. p
12-3010 Boxes in Concrete Construction9 R3 Q/ R/ s+ Z! V& @% E9 A. g
N 12-3008+ Y7 M5 E) l9 n# o" w$ Z
12-3012 Outlet Box Supports3 Z' _. F& t' g$ C0 j2 |3 N2 n
N 12-3010
8 g* j+ Q: O6 l. k8 ]12-3016 Accessibility of Junction Boxes
% s6 C0 @& l1 E2 x$ f' z% x6 zN 12-3014
8 y; t, ~( S0 ]5 X4 j12-3018 Flush Boxes, cabinets, and Fittings
% a, U0 q) f' o' ?N 12-3016
4 l( F* W2 M h( }12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B)
- O7 \. [/ I, K- [8 [N 12-30229 E* [; m5 n; |" a' ]4 G
12-3036 Maximum Number of conductors in a Box - Table 23, @: r8 F" \: a: d. i% I s
N 12-30342 E2 I9 V3 X6 v5 _+ d8 h/ J: \
12-3038 Pull Box or Junction box Sizes
5 A( z2 g. M/ K; |6 X( M$ AN 12-3036
& Y# `) j( o! G) n% \- k9 Y- y9 M, F' {
Section 14 Protection and Control7 r: q$ }$ ^' o+ w; M5 R9 |
General Requirement8 j5 C, A$ y6 t G9 }, e0 M% t
14-010 Protective and Control Devices Required
6 H: c- ^" Y0 ]3 f$ j' l0 c9 z0 R14-016 Connection of Devices3 s8 G1 q5 E }8 X
Protective Devices – General! c( E# R/ q& n" B4 r' ^
14-100 Overcurrent Devices Required
5 V0 g8 v3 f$ c( j& Q14-102 Ground Fault Protection (Appendix B)
1 F/ a6 T+ N: K K7 [14-104 Rating of Overcurrent Devices (Appendix B) Table 13
8 b' T& j* X" D- p14-112 Overcurrent Devices in Parallel
) A2 Q( m8 O! x8 x# e0 ]( C/ cFuses
$ V+ D$ U* p, h4 v# a1 g14-200 Time-Delay and Low-Melting Point Fuses3 V2 d$ M2 v* w, ?' J+ W* _
14-202 Use of Plug Fuses/ d7 o @" I7 M! j! q( \
14-208 Rating of Fuses) T( Z D# c1 H6 t
14-212 Use of Fuses (Appendix B)
( q$ P u( U5 L/ P1 y5 H" s: fCircuit Breakers: v) {: W# C; w6 V* O
14-300 Circuit Breakers, General# l* v% G# X0 Z# u r5 M
14-306 Tripping Elements for Circuit Breakers
+ o8 N8 L8 H, u" A: I: ^ U14-308 Battery Control Power for Circuit Breakers
. F; Y0 m: _9 rControl Devices - General: t" M# v* D& H+ ]% u" K3 O4 H: \
14-402 Disconnecting Means Required for Fused Circuits
0 P* |. s+ Z1 \+ r' ?# g. kControl Devices - Switches
2 A6 g# C+ P1 U14-502 Mounting of knife Switches
5 E) \: h8 d: i+ p4 ~14-504 Maximum Rating of Switches' T4 o" e3 ]' [3 x @" I _
14-508 Rating of General-Use AC/DC Switches (Appendix B)8 P7 ^: ~/ f9 N- x8 N4 |: w
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
7 \1 v7 J. H+ X8 @; d8 U7 y/ uSolid State Devices( }, @! K- D! E( |
14-700 Restriction of Use/ l/ u2 D; r: @4 W/ z
14-702 Disconnecting Means Required
/ t$ q& v; |: Z8 y/ h0 ?
5 `9 G% @. Y8 L! g* Z% fSection 16 Class 1 and Class 2 Circuits
3 f2 f) ~+ B- O; aGeneral& c+ Z% ~2 `: {! H2 j' Z7 X) G$ B3 M
16-004 Class 1 Extra-Low-Voltage Power Circuits
- J- K. p4 j z# {2 }16-006 Class 2 Low-Energy Power Circuits: Z) p6 ?7 u6 R3 i; c: d
16-012 Circuits in Communication Cables
# w/ G0 C8 K7 H' ]5 ~4 }6 o/ y6 ~; h$ ]Class 1 Circuits
- x( Z4 D. z+ B. U( s16-100 Limitation of Class 1 Circuits4 }" p- u% Y, d( x6 r" x3 @7 Y0 _: F
16-104 Overcurrent Protection of Class 1 Circuits
& k, V) z/ o- x* g/ X2 I16-106 Location of Overcurrent Devices in Class 1 Circuits8 s+ q; { g) [. y- \
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers9 q( n9 o1 o# X# U, A
16-110 Conductor Material and Sizes
6 a0 I- ~7 A& e% b" F; j* ]2 U2 M16-112 Insulated Conductors for Class 1 Wiring
8 B2 W. h1 V% G& @" D; q1 a* pClass 2 Circuits1 |- O+ ` ^6 M
16-200 Limitations of Class 2 Circuits (Appendix B)/ z7 P" J+ C, Z5 Y6 `! g- J
16-204 Marking! n; Q7 \. B% t8 z% \: ?! h
16-206 Overcurrent Protection for Class 2 Circuits
7 ~/ v# v6 L: _; @16-210 Conductors for Class 2 Circuit Wiring (Appendix B) |; w# a! ^/ E& C
ELC: extra-low-voltage cable4 i+ L% ^' D, Y* }
16-212 Separation of Class 2 Circuit Conductors from Other Circuits- R& w* D7 k3 W. e1 d0 b( Y
' }3 v& T1 X- C( a$ @8 `Section 18 Hazardous Locations n+ f) c0 W d) O/ |
Scope and Introduction
3 D! n2 a# ?' t0 v( W! n6 j18-004 Classification
X# B. g K$ G9 `1 r3 y7 f18-006 Division of Class I Locations (Appendices B and J); v# [9 Q. p' G* j! w* x- {( ~
18-008 Division of Class II Locations (Appendix B)
0 d0 D' c. S- n. E& z: p4 W18-010 Division of Class III Locations (Appendix B)& w9 S" K# d8 n# l1 a) z4 d8 ^, ]
General
! S& S/ p& R& l; `18-062 Metal-Covered Cable (Appendix B)7 H. J0 G8 @% h- ?* L8 n! l
Installations in Class 1, Zone 1 Location, x7 t/ A4 e" |1 [- l+ c% f$ R1 e
18-108 Sealing, Class I, Zone I (Appendix B)# p9 v% t2 b+ C: Y# Z: }
$ W$ ^8 u; j- O1 h' k1 b* kSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars8 z4 z0 l+ t8 d
Gasoline Dispensing and Service Stations! T. H( x5 f2 ]5 b" m; A
20-002 General
6 k8 F$ D$ k" @, i20-004 Hazardous Area (Appendix B)" Q5 V+ p% Q1 l
Propane Dispensing, Container Filling, and Storage- F V2 C: Q m0 T: k: C
20-034 Hazardous Areas - Table 63
/ \) N6 U% P7 i: W1 x7 V7 [# I8 |Compressed Natural Gas Refuelling Stations and Compressor and Storage Facilities' Z* G7 R) y7 P9 {. v
20-062 Hazardous Areas9 ?1 y0 H+ m- m5 c9 F. R
Commercial Garages – Repairs and Storage
: A) a' h! V0 V20-100 Scope* W6 V8 _& E" x% i I+ @
20-102 Hazardous Areas (1)
2 e) w. L- H- }7 ]: f% p9 S, C; }) D7 p1 y2 j# D" _6 S
Section 24 Patient Care Areas: D% B2 I8 r2 L8 `# k) M
24-000 Scope (Appendix B). ` _7 V# I1 h+ b& W0 N$ c7 K& i
24-002 Special Terminology (Appendix B) w3 P! ~; O [* [
Patient care area' M0 f4 ]9 l' S: q" } L4 @: z
Patient Care Areas) {5 [6 c' j( F' r, p8 Y0 k9 R
24-106 Receptacles in Basic Care Areas (Appendix B): p$ ?1 D0 N9 o0 j# ^7 z2 F3 J' w! N
Isolated Systems
3 M+ ~& k' y* w24-204 Single-Phase Isolated Circuits (Appendix B), \3 N* {, y8 f: s) l- F& k5 p
24-206
& _. w% g: J( C l: a3 b2 {1 a( N& w7 j$ ?
Section 26 Installation of Electrical Equipment7 p& o; }0 {) ^# }* M1 B6 L% m
General, _( s' I, U$ W# y S% Z- n
26-004 Equipment Over Combustible Surfaces (Appendix B)+ x4 z2 @; s. [% M+ P/ U% M
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G) g) K8 _) S# q) t* G0 N9 i
Isolating Switches7 t& s8 `1 B3 ?2 j9 ~
26-100 Location of Isolating Switches; P) k& ?4 `: i8 {
Capacitors/ z, X$ F- b; |3 ?) Y/ g0 n$ r
26-204 Guarding of Capacitors
* y2 {4 {# n' e3 L3 h26-206 Grounding of Capacitors; D) v8 W1 s- c' j
26-208 Conductor Size for Capacitors& I; {5 ^9 ~) s+ x
26-210 Overcurrent Protection (Appendix B)5 f7 o5 Y! u$ z( B
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
) B. ]' l7 I. w0 m! }9 Y% ?26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
) J! N" o) |! C4 A) y26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits6 \9 i& V+ e7 x, R- x A Y3 W7 Y
26-218 Special Provisions for Motor Circuit Capacitors
3 O0 ?' q' Y! |: O+ e9 z26-222 Drainage of Stored Charge of Capacitors+ j0 h! v6 J. m2 d8 t3 ~6 s
Transformers; F) g3 r, T; B) P
26-240 Transformers, General; [; c3 N- r$ T6 ]# }* q
26-242 Outdoor Transformer Installations4 o; n. ?$ @( [& }3 B
26-244 Transformers, Mounted on Roofs (Appendix B)( F/ p4 n3 W( L+ y# U; f
26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)) f2 q; L( c4 H/ h* w4 x) @
26-248 Dry-Core, Open-Ventilated Type Transformers
) Q m( `2 t! r; X* X+ t26-250 Disconnecting Means for Transformers/ G; s+ U m4 d. L5 C# U
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V/ I( i. G( y( G5 F- V( r; l- c
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers3 \. @2 }- N1 l2 g
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
, l7 o" c, f+ V- a6 Q0 w" t26-258 Conductor Size for Transformers A$ N; y: f# w; A' J
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)8 T {+ z! X8 v3 s& J. G7 Z5 J* z
26-262 Marking of Transformers
4 e+ l( x0 g0 k3 k1 f$ D+ D26-264 Auto-Transformers0 L, E3 h/ M g, [" s l; I
Fences0 \- ^! k1 S, m* J, m
26-302 Clearance of Equipment - Table 33( M. p& d- w+ f/ H7 l% J/ D. D
Panelboards0 s- [) g3 F+ o, f4 j1 \. I
26-400 Panelboards in Dwelling Units (Appendix B)! S0 N3 B' `+ Y
26-402 Location of Panelboards (Appendix G)
# g) Y; Z4 }. { ~1 jLightning Arresters% p4 Z4 h0 C- {9 J: y
26-508 Connection of Lightning Arresters( b( ]! w3 O2 k Q! E J6 V
Storage Batteries4 i: q: Q; W% h% @$ {
26-542 Special Terminology0 B9 g: B/ Y7 a" n( C
26-550 Battery Installation
, T6 u; E/ n% l3 q7 o26-552 Wiring to Batteries
( b1 g5 r( p0 d$ cArc Lamps+ X# Q$ [( d/ p7 d) k
26-600 Location of Arc Lamps8 ?0 ]8 v8 V0 S! A; p. ^5 a ~
26-602 Conductors to Arc Lamps
S/ _. ?5 v0 ]$ b$ Y26-608 Globes and Spark Arresters/ ^& P6 d( X6 e+ A/ P
Receptacles
( }$ R, G+ h# P5 ?4 B8 [( ?4 u. a; z26-700 General (Appendix B)
1 a4 E/ y) ?7 s# G4 a7 ?" t26-702 Receptacles Exposed to the Weather
5 p( u: X" i/ D/ S" p3 zReceptacles in Residential Occupancies
& h5 l, g, k- r. s26-710 General (Appendices B and G)
& N/ K0 ?* Y6 ~2 z26-712 Receptacles in Dwelling Units (Appendices B and G)5 _& e) h- W* Q
26-714 Receptacles in Single Dwellings (Appendices B and G)
n R6 c$ Z3 h- V, B' Y: [Branch Circuits in Residential Occupancies
% q: h ]2 R7 k" o! f26-720 General
6 S- @0 U8 } {- m5 z26-722 Branch Circuits in Dwelling Units
6 H5 H- Y& l& H# D26-724 Branch Circuits in Single Dwellings# o+ E: x+ d0 ]
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)' T" u& {: |$ X8 `' Q
N 26-720 (F)
: m# u- @1 W1 m+ M) KElectric Heating and Cooking Appliances
$ X5 U H, R$ [+ Z$ Q9 I# q1 k26-744 Supply connections for Appliances4 b1 C8 @2 f: m# t/ F7 A5 F
26-750 Installation of Storage-Tank Water Heaters
3 N# r" i* r8 D. f7 B26-752 Infrared Drying Lamps
1 l6 x' o1 b8 J) U$ P: W* K3 Y' T4 q' ]# }- [& G! r
Section 28 Motors and Generators
: {- x' h& q7 [- G! c h6 xGeneral
Z! C, z( g! @28-010 Special Terminology8 }% E( J; n. r9 E" M. b( x$ x1 a
Hermetic refrigerant motor compressor
6 U+ {* L) f3 X+ [8 V$ dLocked rotor current rating
^$ J3 k0 U7 O7 N* x/ F$ SService Factor
M5 Z ?; o$ V, g4 ITable 44; Table 45; Table-D2; ^, I# V( \9 ?) h* n
Wiring Methods and Conductors& e+ ]& S- N+ O# j! F4 U1 b
28-102 Portable Motors
# x6 D9 ^6 h, Y! L7 \, Z& s9 u/ h28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
% d# ?" L' ?6 m* r7 ]28-106 Conductors, Individual Motors/ \# g7 g) m. H! d9 i% {. s- b5 c
28-108 Conductors, Two or More Motors2 I) c8 L/ |. x3 z) o. J4 [4 C: x
28-110 Feeder Conductors9 C: s1 u' \. s; ?. s n: D% s
28-112 Secondary Conductors
; O: y; q. B- S0 M# |7 f3 zOvercurrent Protection
3 m& b7 S( C: W- O6 C28-200 Branch Circuit Overcurrent Protection
2 n+ Y- o0 R% s q# C28-204 Feeder Overcurrent Protection7 J1 {* O0 ?' a# M2 {! \! a" O
28-206 Grouping of Motors on a Single Branch Circuit5 T/ ]+ H5 D) V
28-210 Instantaneous-Trip Circuit Breakers (Appendix B)7 a) X- x( P n: U( S3 \
Overload and Overheating Protection" h+ k% p% ]' \
28-302 Types of Overload Protection4 p( h& [9 O( ~! X3 y, P0 @2 Q
28-304 Number and Location of Overload Devices (Appendix B) Table 25( n4 V4 {, w6 Q1 \( o% F
28-306 Rating or Trip Selection of Overload Devices (Appendix B)( _& e) [5 x# |0 H$ z: j; a
28-308 Overload Protection Not Required
' A) b3 ~; o" v1 b: }9 m+ m) c6 GUndervoltage Protection
- a, Y' S ~8 H& z' R- p" g7 X28-400 Undervoltage Protection Required for Motors (Appendix B)/ P: O2 t9 a3 D* j/ k( i4 y6 _
Control
! h$ g1 A; m) U; W! n; z F28-500 Control Required9 q1 i- s7 |& r0 p
28-502 Control Location
" y4 F9 t% Z* P# g4 u8 m28-504 Starters Having Different Starting and Running Position
% P: B' N* C/ q; a R' L: e28-506 Grounded Control Circuit2 V& [( j& R* x9 G/ P
Disconnecting Means
: ^4 S* `4 L+ P% X28-600 Disconnecting Means Required7 C. W( D& S9 N
28-602 Types and Ratings of disconnecting Means (Appendix B)
3 |" a) c5 \2 z1 R- ]# E28-604 Location of Disconnecting Means8 q+ X+ v8 Q" L7 W1 O3 {4 Q
Hermetic Refrigerant Motor-Compressors) y7 w5 d8 w# T! I" ~7 {4 F/ h
28-706 Conductor Ampacity
& s" d- ]. \8 i& U+ h28-708 Overcurrent Protection+ `5 M: ^4 y3 t% l3 w
28-714 Disconnecting Means0 L$ _/ C" O8 V0 d4 y' T
Protection and Control of Generators
* t' P2 R% k$ _1 k, L9 o9 u, w28-900 Disconnecting Means Required for Generators
4 f- y. P0 {/ N7 R: [7 M: o, d/ q/ Q28-902 Protection of Constant-Voltage Generators
* v0 D: ^6 w& l8 C3 B0 H& g6 n28-904 Generator Not Driven by Electricity* d( { U2 L7 b+ i4 ~
28-906 Balancer sets
$ a( Z+ ]7 T! M6 s, Y28-908 Three-Wire Direct-Current Generators' O1 z' J' H! w
4 d b8 i) z8 B; R z2 _/ ISection 30 Installation of Lighting Equipment
6 {1 K# a* V8 g7 g. h; _/ k+ l+ b30-002 Special Terminology (Appendix B)+ l9 s. [9 q" G0 }' h# X9 {
General8 K7 c+ {1 r, N1 G% d& j
30-102 Voltage
5 L+ h7 j" Y9 K1 t9 [5 s. Q3 e, x30-104 Protection (Appendix B)0 a& E: Z3 q* A) j
30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment
( K( b7 x4 L0 [' ^/ K3 g30-108 Polarization of Luminaires
+ P: m7 v. C; |: b2 o30-110 Bonding of Lighting Equipment
% o5 H. w$ i5 A. I( |$ U2 J0 ILocation of Lighting Equipment
# G/ c$ `: O' I- @2 Y30-200 Near or Over Combustible Material# y) X( G; y0 m( e) b# \$ i3 p
30-202 In Show Windows
. Y5 i) M7 U5 a. F30-204 In Clothes Closets* \& Q% C8 }( D. o6 S. v
Installation of Lighting Equipment
6 k; a9 ^! ~7 Z: S: s0 b30-302 Support6 |+ r# j* d' @
30-304 Outlet Boxes to be Covered0 T6 N$ V6 G: H; j. ~4 Y
30-308 Circuit Connections t! t% `3 X( ?2 c7 M
30-310 Luminaire as a Raceway
! f' z0 ^1 ]4 B6 Q7 {$ o4 \30-314 Minimum Height of Low Luminaires
& J; a0 r' \, o+ v: X+ G$ }' A5 a' j30-316 Luminaires Exposed to Flying Objects& w2 A0 f! j3 _3 I$ R5 ?2 p9 ~
30-320 Luminaires in Damp or Wet Locations
- i1 J& P/ ~1 F! f" XN 30-318
4 ]4 A- k" u( G2 P8 [7 S: sWiring of Lighting Equipment% X; p, }# P. l4 \
30-400 Wiring of Luminaires
3 a, H) s( t& X* h% d30-402 Colour Coding
1 K- d% I- {1 ~! i' q( [$ y# {30-404 Conductor Insulation
# V7 d) O1 V8 t- B* B! G30-406 Conductors on Movable Parts
. R/ H ?( p; x8 {30-408 Wiring of Ceiling Outlet Boxes
3 @" [$ D* V4 @# M' b30-410 Wiring of Show Window Luminaires/ q+ T9 j5 Q7 l/ z/ D
30-412 Tap Connection Conductors! o1 k1 B7 B" J# h
Luminaires in buildings of Residential Occupancy0 E% F9 }4 W, j L, D
30-500 Lighting Equipment at Entrances (Appendix G)
4 [/ k7 L8 `4 d9 ^1 Z$ p4 X4 j30-502 Luminaires in Dwelling Units (Appendix G)
( ]! T$ H( Q! ^; s30-504 Stairways (Appendix G) T5 j- L- Y* X: q* Y3 ?2 b
30-506 Basements (Appendix G)9 ^0 Q1 I) t+ U2 I. C8 Q$ j! z) o
30-508 Storage Rooms (Appendix G)0 u7 b; L% N4 L
30-510 Garages and Carports (Appendix G)
7 z' z% z1 L h( r$ M/ r1 Z& yLampholders
8 @; Q3 Z9 j( w" B30-600 Lampholder rating with Incandescent Lamps
- X% g/ [* _7 d" P: WN CANCEL
; F3 _/ p* h7 I30-602 Connections to Lampholders
/ c! B& v7 y9 z0 z" y: c) [* p" S6 zN 30-600. j, J6 X; u2 c- g$ u' \( m9 y+ T
30-604 Switched Lampholders Used on Unidentified Circuits# O% o. i. Q5 R, j3 E
N 30-602
5 M+ H5 l. C% Z1 |, j; O30-606 Switched Lampholders with Pull-Type Mechanisms2 L( j9 h* y: Y0 Y; k ]. `% X
N 30-604
7 T; i8 G, A. i% D! b# K30-610 Pendant Lampholders
7 r1 |, \* k- h) b1 q8 r, lN 30-608
/ v7 k4 u$ b' {& k1 HElectric-Discharge Lighting Systems Operating at 1000V or Less9 h- m( Y6 D; ^: w5 F& X' k! B1 k7 ~& X
30-710 Control (Appendix B)
; k- A) Y4 g Y9 w" G0 g30-712 Branch Circuit Capacity
1 h+ W% ]2 l3 h# {, `Electric-Discharge Lighting Systems Operating at More Than 1000V# t& p G! l% |4 C& r3 m
30-802 Voltages, Dwelling Units- [0 b$ p5 j7 B# s( x! M2 L) ?
30-804 control (Appendix B)
" W8 @1 F! F& X. A$ D7 U1 r9 LRecessed Luminaires (Appendix G)+ ^+ \- j5 i7 b) w
30-902 Spacings for Non-IC Type Luminaires
$ d6 O1 N2 @- O+ l$ I; e30-910 Wiring of Recessed Luminaires (Appendix B)
( N" k6 x( i5 |- ~Exposed Wiring for Permanent Outdoor Lighting
6 N" k( r. K, @* z30-1120 Branch Circuit Loading and Protection, p T5 r- o' D# _
Extra-Low-Voltage Lighting Systems0 u2 U- s7 d. T6 Y
30-1202 Sources of Supply
8 R, ?) U; c' u: e( _! E. A4 L; ^; J5 o8 B! ]1 x0 L
Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)$ t7 S6 z+ z' |3 h- i
Fire Alarm Systems m1 J' |3 m( y+ m( v& P6 ]2 y
32-100 Conductors
+ _6 A7 g' \1 P2 x$ l4 |5 v32-102 Wiring Method k2 t: i- F/ Q* ?
32-104 Equipment Bonding: D/ @- q9 G4 g. U/ Z1 R
32-106 Electrical Supervision
) N7 H( P) e8 F$ a6 I32-108 Current Supply
: u6 ]- t [+ t, ^/ h; `: M32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
- A% R. z- }9 a3 FFire Pumps/ d d: b1 k% T% n
32-208 Overcurrent Protection (Appendix B)9 \( R q: q4 \2 B% R6 j0 x+ W2 t
N 32-206; D! A9 N0 P3 G
32-210 Overload and Overheating Protection (Appendix B)( N/ g& f8 y% x! }. Y
32-212 Ground Fault Circuit Interrupter (Appendix B)
5 l4 \' A' e6 q+ f8 R+ o& W4 h
+ j' }' J/ E$ U# q9 B1 I& hSection 36 High-Voltage Installations) T$ g! }- S3 I i
General
# O1 |9 U0 [7 J: p* u36-000 Scope (Appendix B)
- T: p% ~, a R$ Z% w; J36-006 Warning Notices5 q: z, z4 X$ i9 C- C
Wiring Methods& q6 \, W+ g( h# g6 P8 |4 ?
36-102 Radii of Bends2 e& c0 v4 E* R2 \* l
36-104 Shielding of thermoset insulated conductors
$ C2 ]/ ?5 n7 O" Q& n+ D+ q36-108 Spacing of Exposed Conductors (1) table 30, table 31" e( M# }5 J$ D0 L2 T
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
& e7 w0 p3 T% U+ _) FControl and Protective Equipment
. U5 Z0 q& o* v+ w, h3 n4 l" [* G36-214 Disconnecting Means
$ r1 ]( K% M' F6 ] Grounding and Bonding7 q g' t3 ^9 W9 s" }- q( S
36-300 Material and minimum size of grounding conductor and ground grid conductor and connections' o% I& n$ j7 ~8 [2 S( T3 w
36-302 Station Ground Electrode (Appendix B)! V- C! T1 E7 Y3 {1 u3 N
36-304 Station Ground Resistance (Appendix B)& g2 L8 v# k, A& L9 S0 |
36-308 Connections to the Station Ground Electrode (Appendix B)1 G1 a8 E; e0 v3 U
36-310 Gang-Operated Switch Handle Grounds1 j+ _9 X D0 [% P4 W3 X7 U
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations' L1 N Q3 p8 n' K
* X1 [( h7 ^0 `" q$ l0 eSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment! Z" j7 z6 q* B1 i* o6 d0 I9 Y
38-002 Special Terminology (Appendix B)) l* ]4 }5 E8 T
38-003 Voltage Limitations (Appendix B)! \" T ?( }7 q7 A8 o
38-004 Live Parts Enclosed/ y, m, N6 o; h6 o3 T- |+ E6 S
38-005 Working Clearances
9 D; v; M% Z8 Z% Z4 i38-011 Insulation and Types of Conductors
# x$ W% i2 }) d8 t+ r2 S38-012 Minimum Size of Conductors% G# j6 X. L$ i6 h
8 Z% D: C- Y2 a4 D0 vSection 40 Electric Cranes and Hoists9 D. W* Z5 T8 `1 I6 E
40-008 Disconnecting Means" g" ?6 `. T/ K9 J3 Y& Y0 f
40-010 Main Contact Conductors
$ F" Z. W$ L9 W% J; k/ G0 y% ?/ b- N' ?, \8 {" g
Section 42 Electric Welders4 k5 M3 O# |9 m/ D% a4 c
Transformer Arc Welders
/ g* }6 M6 K' B8 c4 `$ L/ ]42-006 Supply Conductors
3 Z. W, T# c1 X+ s) N7 q
' I2 ?& l/ V# x) k6 D4 R7 QSection 44: Theatre Installations& D1 \$ L* [' h: F& O. Q {$ b9 s
General+ @9 O' @2 g2 |! }4 O4 G6 n
44-104 Number of Conductors in Raceways
) X$ X/ Q. N. g& q0 t5 b4 z9 S44-106 Aisle Lights in Moving Picture Theatres
& n# h+ v+ ^6 U$ S7 l2 n( e3 DFixed Stage Switchboards
! i6 N' q- v+ M- ]. U44-210 Overcurrent Protection* d! ]% j' z3 I' w) Y. `5 l
Fixed Stage Equipment% T; G" Z! {( i/ b9 E1 R$ P: J
44-324 Receptacles in Gallery Pockets% w- n# d. z2 l1 V9 V
44-326 Receptacles and Plugs
1 T" x8 |! L. a7 o
4 v! C6 K+ m ~/ lSection 46 Emergency Systems, Unit Equipment, and Exit Signs
6 d+ v6 P* P i( f) fGeneral
1 x9 Z% \+ F, x, o46-102 Instructions
* N$ z. |7 J7 o$ J& i. A46-108 Method of Wiring (Appendices B and G)
9 f1 S: G0 `- |3 J2 k& jEmergency Systems
8 g6 d6 F* b; E% h/ U46-202 Supply (Appendix G)
9 a" L3 J& a, u/ ?46-204 Control% b$ d. b7 t4 `# @. w7 m* i' h! Y
46-206 Overcurrent Protection: \4 u7 V1 q. m: }4 H/ A
46-210 Remote Lamps
+ |3 W" W# P3 p) S! fUnit Equipment5 V/ _, H) q5 {7 {' g- J9 T+ J
46-304 Supply Connections8 ~+ H: F6 b7 t( r2 y: N3 G% L
46-306 Remote Lamps (Appendix B)
1 n$ F# o8 M. o2 l7 h% R& [$ OExit Signs8 { g5 F O# R3 a
46-400 Exit Signs (Appendix B and G)
( u% [% g9 }5 v4 R7 S/ L
2 i$ N; m7 J; E; wSection 54 Community Antenna Distribution and Radio and Television Installations( m' s& ?9 }* m, m$ H# [
54-000 Scope& h; {/ Y8 Q2 q. [+ }$ C
54-004 Community Antenna Distribution (Appendix B)
; m+ f3 Q" t' q4 B( XCommunity Antenna distribution+ C0 P1 |( ~( k+ e
54-100 Conductors
$ e5 C& C( Y2 v, S$ _; s54-102 Voltage and Current Limitations (Appendix B)
4 W9 K) c( I* cProtection4 d/ k9 S$ ?) }! \5 K
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)" k3 J$ l4 ?& @/ v
Grounding
: e6 i3 Z8 X+ s, X54-300 Grounding Conductor3 T6 |! v4 J& [0 t6 A
Conductors Within Buildings j4 y, e* \+ y" B; m5 A4 @; F% E
54-400 Separation from Other Conductors ^; _! J0 B6 ?, T! b' ?. H+ U
Equipment2 d) Y3 j4 W3 g$ C. D
54-500 Community Antenna Distribution Amplifiers and Other Power Sources; i3 ^6 B9 _4 r9 G6 A
54-502 Exposed Equipment and Terminations0 |9 C: v% ]% X8 F; c: j
" ]% T+ x }, U1 w) ZSection 56 Optical Fiber Cables; J+ q% H! I* A3 R
General
9 e; U: h- x; ~; F56-100 Special Terminology
4 \/ D/ f7 n: F) x3 G, C% R56-102 Types
! Y' k1 q! i; j; H: kInstallation Methods
; ?3 e! ]8 U% `5 K4 I, S8 r0 K# Q3 F56-200 Nonconductive Optical Fiber Cables (Appendix B)3 b& M! x; W2 Z0 {
56-202 Conductive Optical Fiber Cables (Appendix B)
8 {. S" d6 N$ O1 M' [+ V56-204 Hybrid Cables" _) Y3 W" r) \3 `
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
$ l. r$ _8 ?; R$ S; W$ I; o. [* [5 `+ a+ f# S! @
Section 60 Electrical Communication Systems
+ O+ w% D" {+ l6 |4 PGeneral. J% t( l8 S1 ]% G. A; q0 _
60-100 Special Terminology7 K5 t3 r8 j, ^7 |7 R
Protection
# l; c5 t" H1 F- O; M# Q% b& @60-202 Primary Protector Requirements' N& f( ], i d0 c1 i( v
Inside Conductors7 {' Q' j. W, ?" s! p/ g3 g
60-308 Separation from Other Conductors
# j: n+ x4 n6 C) D2 BEquipment
( D6 E3 _% o3 v" f60-404 Exposed Equipment and Terminations0 A5 B3 M B/ y/ ]- L! W: R
Underground Circuits; d* r' x+ b3 x! r/ H6 ~6 V$ }7 I
60-600 Direct Buried Systems' w. ]) ~3 W0 S* V
- v0 ~2 p1 z' VSection 62 Fixed Electric Space and Surface Heating Systems
& m+ b4 Y4 h) j. S0 SGeneral+ L' e7 |; Z4 x' x* _1 i
62-102 Special Terminology
: |+ O, `1 C7 J0 U9 g62-108 Branch Circuits
8 D6 U6 F$ J9 |" X' ?( B62-110 Installation of Fixtures
/ ]* _3 p M4 u/ F4 p5 r. e62-114 Overcurrent Protection and Grouping (Appendix B) (5)
% ^0 A6 c' `1 c7 {* O62-116 Demand Factors for Service Conductors and Feeders (2)
7 A3 S: O, Y; F+ U4 M( X62-118 Temperature Control Devices" P- Q$ O* K; M) _
62-122 Installation of Series Heating Cable Sets (4)(7)+ a( S1 S. R3 ]! c8 ^9 ~
Electric Space Heating Systems
& M. X `7 E% I5 m0 z ^62-202 Temperature Control
0 D' c' ^: h9 C7 n, E/ z. G" Z1 x9 t62-206 Proximity of Other Wiring (Appendix B)/ r1 v& Q. U# H0 D7 @
62-214 Installation of Heating Panels and Heating Panel Sets- |" Z/ r8 c/ y6 I
62-218 Series Heating Cable Sets in Cement or Plaster Ceilings$ j5 m4 F$ F9 @4 |: @4 \
62-226 Installation of Under-Floor Covering Heating Panel Sets+ h- S9 K* e' X: U1 `
Electric Surface Heating Systems1 }. s7 @- p% p( ^
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface; c; d9 q, N& d) ^) k
' [8 C" A% N6 K5 [4 ? E
Section 68 Pools, Tubs, and Spas
6 L0 { F) d m5 A3 tGeneral
+ m* f6 a, [! g68-050 Special Terminology6 @. r1 g O _
68-056 Underground Wiring - Table 619 g6 } f) |2 E% u
68-058 Bonding to Ground (Appendix B)% m$ Z, A) |9 @$ J
68-060 Junction and Deck Boxes (Appendix B)
% `0 w3 N6 `( m m68-064 Receptacles
1 ^% r( T) }5 ?5 y68-066 Luminaires and Lighting Equipment
4 C2 g/ U7 Y# i. K+ D68-068 Ground Fault Circuit Interrupters (Appendix B)- z3 z. a; k3 I- [. ^
8 |6 B$ S) M! f7 L: G' |. F3 _Section 70 — Electrical requirements for factory-built relocatable structures and l3 O# f2 Q' X8 m! g) r
non-relocatable structures
, p; B* |/ H& V: X8 Y4 Q0 O# t3 A- v70-130 Tests (see Appendix B)
7 \/ U7 f& V8 ] w& W% e: p
; b* Z7 l$ [1 R- c, x- p, @Section 76 Temporary Wiring (Appendix G)
0 U8 u* W2 g4 q5 Q. g& D76-004 Grounding
5 [: [4 g3 K* ^3 Q* f# r# k5 V, M76-008 Service Entrance Equipment! `6 i' f: I' e9 p+ z
N 76-006
: z% ~6 R; W6 C4 }: h* r: z76-014 Branch Circuits( p" s2 I" M+ ]% {+ q2 e8 x+ d/ i
N 76-012
1 v8 U+ L) p4 `+ V( N6 }% ]
/ D+ s3 q' A, x. ~3 m3 XSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours2 ~" N( A) i( M6 u. E+ t. H( e
Marinas and Yacht Clubs/ }1 z, W% M R! K: d
78-052 Receptacles' m# G8 [, V7 q+ E. B/ Q
78-056 Feeders and Services4 S! d J! S+ g" Y
Marine Wharves, Structures, and Fishing Harbours% t5 _4 f- Z4 |4 y, _* `" a( d& g
78-106 Grounding and Bonding) c; }# w$ N8 N% T9 S" U, L6 A7 e8 h
Tables
2 d, `4 I# u1 [7 g( |# y1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,650 Y, R, s$ L" }! x6 X! s( K
4 B5 U7 w& I/ r
Diagrams: 1, 2, 7
7 a4 Q( H# C5 Z( V: n$ t% Y0 b3 ]9 r: P
Appendix B, d. O1 X$ U0 R% U+ q
P352: Ground fault circuit interrupter- 6mA& b6 G+ i9 s! w+ {' e7 m) j
P354: 2-126 FT1, FT4
- h. m, u* ^7 V4 F0 N7 J0 kP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
; f' `. R% }8 }2 uP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1). b3 d$ V- A0 e8 ]9 B* G! `! P
P370: 12-1012, 1118, 1214 Example:+ y8 Z/ z% u- ^3 R
P371: 12-1108# m; T, s1 z' e* O2 }
P381: 18-108(1)(b), 18-158(1)(b)
3 J8 Q5 ]: W( e& y& y6 P# ?+ e' ~P386: 24-206; w3 Q( _ Q- Y, o7 g
P389: 26-256
/ y2 ^! _0 W; c2 E. o( b, D. K( qP391-P393: Section 28, Example to determine Motor Conductors and Protection7 k5 O2 e7 u3 |
0 E( d7 a$ ]6 t- H. A' Z0 k
Appendix D( Y7 T5 G" w- S% Q
Table D1, D2, D3, D4, D5, D6, D7, D16 |
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