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Canadian Electrical Code Review Guide
a& }( d2 D* b* ^( CFor the Exam of Electrician For Red Seal License* {. h2 G3 W0 e+ G9 K. l" F0 x. v
' T4 [4 f) P& t. |7 r8 c: |
Lesson One
/ W0 k6 c3 z1 rSection 0 DEFINITIONS
4 r% q2 W& Y9 l% }+ pThis section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:
/ ]. J8 q# a. q! HAccessible as applied to wiring methods! ^/ z0 x0 l" D2 P0 B1 ^
Alive or live
+ z' H; D4 ?& v$ W0 \- y2 ?5 WAluminum-sheathed cable4 o! m8 ?* ^6 G
Ampacity
: D0 a" Z2 M% D6 SAuthorized person
9 P$ j' x Z* c! s- Z' ~( g# HAuxiliary gutter
/ { ^: a J, ]6 KAWG+ [+ `3 C1 h2 m& F$ R: P( z
Bonding3 p) k# ^! h+ @& h5 g1 c W$ e
Cable tray
" v" x/ l& {# j- x6 g: ?Cellular floor3 Y% Y9 B6 k. L; W
Branch circuit7 j& {* Q5 v& w7 g3 ? D
Bus: M% {4 A- r- w% s1 `. {
Busway
I9 p6 B3 ? B p8 iCommunication circuit
; c5 j) d6 r( F) F6 qExtra-low-voltage power circuit3 [: D- i2 u; W8 ?, V9 l
Low-energy power circuit" J- c; `; F1 r/ ^. {/ X( W
Multi-wire branch circuit2 l$ q: ?9 G5 C5 O) x
Remote control circuit
( P- Q8 ^( j$ @: Z3 A0 P; W* _Signal circuit8 i' o) e8 A' P! q8 v, P; ~
Circuit breaker
& s) z* Z- K& lInstantaneous-trip circuit breaker% o1 ^9 j* ~: A1 z' M/ e' ~- w
Conductor6 ?$ s3 a$ _$ x% T$ d
Conduit
3 G- ~5 I1 w$ ~" b2 ] Flexible metal conduit2 [0 _% o2 T& j7 ^
Liquid-tight flexible conduit
+ M' g/ a) u5 p( f- R0 b Rigid conduit I" p- ]* ^3 N( j" S
Rigid metal conduit
$ L" `1 u( i; Y0 l Rigid nonmetallic conduit/ x. K' C- Y$ C& \
Rigid PVC conduit
. V- L" I5 @2 |+ ^$ AConnector
+ T) [3 M! |) a! c Box connector, H% Z3 Z+ t$ ~% l
Wire connector/ n' g. J8 a! N
Controller
5 P. D0 X& K b. y- }Disconnecting means
' o4 e4 C ^. V$ HDust-tight( e! g0 w9 k0 n! u$ c
Dwelling unit
) `" M( l Z7 S, }Electrical contractor
9 E+ X& O2 g7 l. i" q. m; @Electrical metallic tubing
. N7 {3 I2 W8 A/ G3 e2 i' dElectrical nonmetallic tubing
2 l$ M( t4 g& e. W- w0 p8 D, sEmergency lighting
* I- `+ K3 p6 t0 h* \- wExplosion-proof$ V2 |& e* \' c8 T, F: w, z A
Extra-low-voltage power circuit' w z$ a* ^1 y/ U/ A
Feeder
$ t" ^9 T3 G) ~7 SFlexible metal conduit) l }4 r/ @6 g
Ground
! p2 V, w- {! M" L- @! JGround fault circuit interrupter
; Z( {1 j$ y# `. i+ c0 ~# |% d, i# V, wGrounded
% }% _3 C' @* MGrounding
9 x) G5 H7 N( v) ^Grounding conductor
' A3 \' r; @( g% D6 UGrounding electrode! Z9 r9 q% H0 g" a
Guarded
+ } W: ?* e }4 K3 X! cHoistway
- b+ x/ u8 l d; D; j5 UIdentified5 M& R5 P* D: I3 x
Lampholder, L- n2 p7 S3 K j
Low-voltage protection
6 ]. O {. a% p$ S$ u$ sLow-voltage release8 p3 s% l Y) c4 b' X) C" Q4 o+ {! B
Neutral
& d# t4 ?" U5 v9 K9 s fNoncombustible construction
0 ]. w# |' w2 h8 B# R& [& A$ jOutlet
5 q& b5 c3 T, M, IOutline lighting, ?9 e$ g+ r! ~3 y- x; b8 ]: b& C
Over current device
. U/ A0 a; }: k. z9 bOverload device- l( z( i& e! T. J
Panel board; w" e3 a$ ] z, S
Panelboard, enclosed
8 X* M8 u: f& @( L3 ~5 WPermanently connected equipment
) Y6 E" @3 I0 |8 h4 b4 \* qPermit6 G7 Z2 N, N: _& R3 B+ Z
Plenum' P2 }4 l8 b# @- _
Portable as applied to electrical equipment6 h8 [: W: V: T) E' [" a
Portable ground fault circuit interrupter4 N5 {, k' j- c/ P# j/ E2 u
Power supply cord" `- X9 a; X3 B W
Raceway
; |* E6 t! v1 `! x$ P$ QReceptacle
9 n3 B" t2 \& y$ M Duplex receptacle8 d8 H$ T ?3 P& d% e( V( P4 [
Single receptacle
. S! o/ R+ [2 t8 } Split receptacle
; X1 p6 M+ @$ U3 p( d: yService, consumer‘s) B1 i/ Z# V2 q) Z0 _/ |
Service, supply
( h9 N" W# Y) O7 A! BService box
: V: |8 U* N4 C& I, N8 [# I* ^Service room
9 x2 c8 M6 r4 [$ DSingle-dwelling- ]! _3 K) _0 J8 f2 q6 e
Slow-burning as applied to conductor insulation
2 e% ~9 R& R& L, Z9 \* H# L& ESplitter4 k( I! z% s# [% x+ |8 u6 z
Starter1 h5 e/ T# k+ n2 D5 c! |
Switch
: T }% m7 `8 U C' o! V# @ General-use switch6 g" T% u% `1 I. P# G2 Y
Indicating switch
% |3 B' O* Z, Z' T Isolating switch
( x$ v5 Q6 q! `$ |+ M9 r Motor-circuit switch4 K) J1 m% F a7 d! c0 x
System4 Y8 I' Y, z% h; D' X" V; y7 F4 N2 k
Communication system: m' Q2 W5 ^% }4 @5 m3 a
Community antenna distribution system(CATV)
* }1 R+ H; ?- c+ R9 F/ R Grounding system
8 j* M5 s" ~: C, W0 y ZUnderfloor raceway+ P) m, m$ f D4 W$ c& ?4 N2 l: S+ R
Voltage:4 I3 D) a0 n( ]6 b2 |+ |) Y
Extra-low voltage
4 f4 g8 v* B# g: m High voltage
$ G% p6 u* N! M7 Y. S Low voltage( Q( g' ~7 z6 |
Voltage of a circuit
# p/ u: ~' J/ {% P iVoltage-to-ground
/ J, t3 Q* B) Y9 CWireway& T2 p$ k* b' k5 M
, m2 Z% K' F% V4 {3 q; hSection 2 GENERAL RULES! ~' \' b9 {6 z
Administrative
, Y5 w: N) x1 U b8 L2-018 Reconnection
; G+ q, L; m% Q# W- `- J; u2-030 Deviation or Postponement
& C, u; z P3 h, NTechnical General
' I- a. y+ X( e2-106 Circuit Voltage-to-Ground – Dwelling units
* E8 Q* P2 `& s7 }) q0 Z2-114 Soldering Fluxes$ A% w0 Q) I5 P: t1 d8 f0 k- u: u( s
2-116 AWG Sizes of conductors
3 I- E9 Q9 L7 I+ W$ F2-124 Fire spread (see Appendices B and G)
) r! ~( g/ P: h) ^# Q) l$ g6 S9 T2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)/ |; r6 n' \) ~ y- j
Protection of Persons and Property
5 U/ N7 n$ I$ \4 Z, G( T2-202 Guarding of Bare Live Parts
6 c, a6 `# N* W( g& i/ z! gMaintenance and Operation
" c0 b, E$ a7 g8 ~: s/ i, {2-304 Disconnection' N3 l M7 Q8 {/ A6 Q
2-306 Maintenance of Live Equipment
8 y; I! l6 N7 S- aN 2-306 Shock and flash protection (see Appendix B)
- H* R' s, y$ h2-308 Working Space About Electrical Equipment: Table-56+ j; |" U. {1 y/ G- v& |( {
2-310 Entrance to, and Exit from, Working Space
: c) g/ x" h8 a8 b2-320 Drainage e: O2 b5 r8 B4 h" d
2-322 Electrical Equipment near combustible Gas Meters and other Devices
! n( W& B/ Z0 m' n. }; yEnclosures
0 u3 U) k% p# Q, [2 e2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
) V. h+ R) M! @8 m( t" }( _1 k+ j2-404 Marking of Motors: DP, WP, TE' z: K) p$ K- |) L
/ J4 p/ e) p/ p+ X) g# J4 ^Section 4 Conductors
3 o0 @' F+ [4 [/ V2 _6 |9 W3 v3 {4-000 Scope
+ p$ z" \$ g8 l/ c5 X4-002 Size of Conductors: 14#, 12#! u; a5 D0 e' q( ]6 _6 S
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36, O" T& X: ^# x* s! ~- f
4-006 Insulated Conductors: Table 19
6 v/ |/ C; E! x1 F' \. H! n9 G4-010 Uses of Flexible Cord: Table 11
0 H8 j8 ~) I& t4-012 Sizes of Flexible Cord ]& ?# \8 }, ` j: A+ P4 W
4-014 Ampacity of Flexible Cords: Table 129 l @+ M4 K! e2 e2 R* O, d) a" q3 P
4-018 Equipment Wire
+ M d9 B: E q" x$ H4-020 Insulation of Neutral Conductors
/ X7 r0 s3 B) a/ ]( G4-022 Size of Neutral conductor9 V" r# Q1 s0 ]
4-024 Common Neutral Conductor/ @0 \. t7 R. m. ^8 ]3 F( @
4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum
$ {5 n; _. G l: D* V2 o4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum
5 n3 [7 y1 u# f4-032 Identification of Type MI Neutral Conductors
' h! N. E8 i5 s# A5 H ^4 }4-034 Use of Identified Conductors9 _+ F( j/ X, W$ k9 u# j4 x
4-036 Colour of Conductors: Phase A, B, C, …$ p* S" r. w4 z1 Z! {# y: [& x
- B+ n8 c0 e4 v0 p2 [+ g0 Q. {
Section 6 Services and Service Equipment
( p) `; Y P# }" W. ZGeneral/ k1 F x# \/ i! C: E$ i- L3 ~
6-102 Number of Supply Services Permitted; C/ t0 u+ G3 w# S
6-104 Number of Consumer’s Services Permitted in or on a Building8 {. G' @! a, T& F- @
6-108 Supply Service from an Electric Railway System
( [5 }2 P. k: a7 z* z6-110 Three-wire Consumer’s Services
) I( ~. y5 i( O: {3 s1 X' \- t9 ]( ?6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors* R5 N# a) {* H) L- [2 a5 v
6-114 Methods of terminating conductors at consumer’s service
( E) f! Q) g7 }/ G6-116 Consumer’s Service Head Location" p8 z1 R# O# D! `+ W% N- ` N
Control and Protective Equipment
1 A1 x% r- q3 [( m0 s- E8 {6-200 Service Equipment
4 m) [ |# G: h. h+ S. m- v6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)
, D7 z D" ^3 N6-208 Consumer’s Service Conductors Location p# L* Z' ]6 n
6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches
: M# g% a1 E# k6-212 Wiring Space in Enclosures( I; T7 Q- i0 T3 K4 \
6-214 Marking of Service Boxes
$ @6 @1 n p! e$ R3 B" q, jWiring Methods8 m! F' \" R+ ~
6-300 Underground Consumer’s Services W, ]$ @5 c. e
6-302 Overhead Consumer’s Service Conductors
0 M' M7 e3 z4 W% D; `+ K6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable, f6 w* L1 Y; ?
6-306 Consumer’s Service Raceways
$ Z, W O% B7 H( s" _6-308 Use of Bare Neutral in Consumer’s Service* [" ]' E' d6 \* _- Z
6-310 Use of Joints in Consumer’s Service Neutral Conductors! d, H4 c0 B, W/ P6 n( _: G3 O+ i
6-312 Condensation in Consumer’s Service Raceway
: a) ~% ?* t+ o, P# c# ~% eMetering Equipment! I; H* H5 A0 N3 J
6-400 Metering Equipment
: d# I6 O, j! a/ v6-402 Method of Installing Meter Loops* v, E1 z% D: }* m+ K/ u/ x
6-404 Enclosures for Instrument Transformers- [& @* z0 u7 k8 K- I( |
6-408 Location of Meters4 v+ a) C7 ~5 s+ t) Z* |
# L( ^* C2 N% m9 p) c* E$ |
Section 8 Circuit Loading and Demand Factors1 y' p. W& G! J# y& ~+ \
General8 J" M, e2 v2 O" U9 W
8-100 Current Calculations3 _ S, \% @/ V1 ~* p& O
8-102 Voltage Drop ( see Appendix D)& f( K7 d2 N1 k0 f/ k' [
8-104 Maximum Circuit Loading
% E8 w) |- |: p7 X5 `8-108 Number of Branch Circuit Positions
/ e# L0 t5 {$ k# i% c' U4 A* S8-110 Determination of Areas8 M- f- \4 s0 P7 Z- k' \! V
Services and Feeders7 A1 @7 t1 T! @/ |+ y
8-200 Single Dwellings (see Appendix B)9 b8 Z" }$ d* F9 ]' ?
8-202 Apartment and Similar Buildings" S# N1 W1 X. c, s6 I6 C
8-204 Schools
9 Y2 x; `' d6 T* m8-206 Hospitals
$ w; n* j S0 O" @8 N, z8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy4 x3 L P+ H0 f0 |# {
8-210 Other Types of Occupancy (Table 14), U2 g- t3 g& N% Z& Q$ G
8-212 Special Lighting Circuits2 Y+ u% U9 p" ]3 |9 u5 p
Branch Circuits
6 I+ x* w7 E* ?1 }8-300 Branch Circuits Supplying Electric Ranges. C8 _( g5 t' Q8 s* |
8-302 Connected Loads
1 B/ D2 u2 |( [1 I* C s
, r! |+ k. B/ j/ d% Q5 u/ rSection 10 Grounding and Bonding
6 T/ ?( u W$ n# `Scope and Object
' r$ k! u. K6 D1 L& g10-002 Object* c$ v! v X# m4 b- V, D' N" m
System and Circuit Grounding; d' X1 k$ |1 N, C# C! I
10-102 Two-Wire Direct-Current Systems
( M3 \( M$ h/ B7 }, j! u10-104 Three-Wire Direct-Current Systems
) d2 | b; S: f( u2 J' a5 k' g7 W10-106 Alternating-Current Systems
- g }! q! H2 S0 B0 E" g10-110 Electric Crane Circuits4 s: p, ~+ B i1 c6 S) \1 m
10-114 Circuits of Less Than 50 V9 {/ r! S1 ]2 v6 z5 U7 D& a. z
10-116 Instrument Transformer Circuits
' _# j# v# p2 E7 S: B3 j% M3 sGrounding Connections for Systems and Circuits
& Y" |- T; m( H) W T) D10-200 Current Over Grounding and Bonding Conductors
. u- \6 n; n! p% Y10-204 Grounding Connections for Alternating-Current Systems$ G7 ~# P/ k% l1 A
10-206 Grounding Connections for Isolated Systems
1 I5 s5 G/ g( x1 S& S) {10-210 Conductor to be Grounded) ~- ?8 ^& ?3 A- V0 F
Conductor Enclosure Bonding
! l5 M. |* ]. E) D10-302 Other Conductor Enclosures; X. X. ?! V8 f Q
N 10-304, d$ F9 P# v1 w( L8 h
Equipment Bonding# Y, U7 I! V+ W0 Q7 x$ h8 ^
10-400 Fixed Equipment, General6 x9 Z7 N6 z9 ?/ h4 L& ~
10-402 Fixed Equipment, Specific (3), (4)& ^5 C2 ^5 A: d" n3 i& Y+ H
10-404 In Nonmetallic Wiring Systems" h+ D( f' R. n* g+ X4 `1 L0 O, f
10-406 Non-electrical Equipment! j& @& a0 N$ s/ n/ u& t9 Z9 ^
10-408 Portable Equipment (4)(b)
4 i% E2 w4 O$ \# }6 p10-410 Instrument Transformer Cases
+ E1 [# S9 ]& ?10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less
$ `0 Z5 q5 n% B" r2 n10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
4 \( h1 Y- @$ Z: R. \) `Methods of Grounding
& c& z0 @% D7 w5 t5 x% Y4 y" H c10-500 Effective grounding (see Appendix B)" H: D% i6 d! D/ R4 ^2 h5 H7 P4 a; K
10-502 Common grounding conductors
+ B+ E- W+ o. q) k) C10-504 Common grounding electrodes
9 C' t7 O/ | E6 [& R. ^& \Bonding Methods5 A; z6 r! C2 g
10-600 Clean Surfaces
0 [( E" K7 J6 L) Y10-604 Bonding at Service Equipment
/ u9 n* s8 ^- K6 ]' w: N10-606 Means of Assuring Continuity at Service Equipment3 l; o: T, s% Q+ q& \1 l( H
10-610 Bonding at Other Than Service Equipment
9 x2 G- h0 p0 W! P5 ^10-612 Loosely Jointed Metal Raceways* |; C9 T v4 ?& P, X( |
10-614 Bonding Jumpers Table 419 G Y. K. u( H9 G) A
Grounding Electrodes
- p9 w$ _1 S7 F6 q& m, Z10-700 Grounding Electrodes
; V o7 R( j: O) j10-702 Artificial Grounding Electrodes" r/ e. u: d9 e2 K
N 10-700 & 10-702$ f! k# B' ^* K3 I, k! c
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
; ^- ?! g/ I, k2 ~$ d: ?6 q7 S4 tN 10-702
2 ~( j2 S! @# I$ N4 I L, h10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding
+ X9 Z4 y& P7 p9 C# R4 yN 10-702
T* c' H5 f2 d1 i" n, Z) w10-710 Use of Lightning Rods (Appendices B and G)
& U! e& b; w& _) ]N 10-706& e3 U! |; f" L6 \
Grounding and Bonding Conductors
/ y9 L; p- w* s& h10-800 Continuity of Grounding and Bonding Conductors
# T. |4 a2 M' M9 B! E10-802 Material for System Grounding Conductors- [7 B, |$ d, T& Q/ ~! N( q
10-804 Material for Bonding Conductors
9 K- A, g# a" D J0 O' X5 q( {& F! f10-806 Installation of System Grounding Conductors2 l% }& a$ r+ u" E9 ^% t9 Z
10-808 Installation of Equipment Bonding Conductors2 H. u: u7 L$ w" U! u& n% O( U
10-810 Grounding Conductor Size for DC Circuits: _ R3 A" K4 l3 T/ j2 }4 m
10-812 Grounding Conductor Size for AC Systems (see Appendix B)
$ C4 O. p( m8 J n1 U- H, w10-814 Bonding Conductor Size (Appendix B)* r4 [* u, m$ y0 y8 ?
10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment% ~/ L- `; s! m5 q% D1 S }0 u
10-818 Bonding Conductor for Outline Lighting1 W- y" A* k) j% u( v5 b
10-820 Bonding Conductor Size for Instrument Transformers
& U5 N5 @7 W; x% [( R9 H+ P) X9 TGrounding and Bonding Conductor Connections. ^8 w0 @# o: `6 ^% S
10-902 Grounding Conduct Connection to Water Pipe Electrodes
2 [) T" }7 }' p' _10-906 Bonding conductor connection to circuits and equipment# a$ ?+ {3 w* D& c* c6 m9 ~7 [
10-908 Grounding Conductor Connection to Electrodes
7 ~. N# M5 A1 ^) V7 A. {Lightning Arresters! t/ B2 I/ S- K' |
10-1000 Lightning Arresters on Secondary Services – 750V or Less( R* t7 F7 I4 H1 v6 m2 `
! O! W" M! ?- y e8 J
Section 12 – Wiring Methods: T- S O3 a+ B% E" ~. @8 h% d+ [$ d
Scope
3 N$ n8 \5 \; K12-000 Scope (Appendix B)
, p( s, O, y* H; k7 P* BGeneral Requirement. P6 U! Q. u: ~! {. h+ }- A
12-010 Wiring in Ducts and Plenum Chambers
( ?2 M% ^8 v8 b! n" d F12-012 Underground Installations (Appendix B)/ w; Z @8 J1 Q' [% s X
12-016 Lightning Rod Conductors5 M( k C9 t f x u; N4 [
Conductors - General
3 u0 ?7 t5 P& p' u9 E$ ~12-100 Types of Conductors (Appendix B) Table 19
9 {1 N- _9 v6 y6 h12-102 Thermoplastic-Insulated Conductors8 p" G6 F% o4 f7 c3 o( ?
12-104 Flame Tested Coverings
# F3 [) R4 D5 ?3 r12-106 Multi- and Single- Conductor Cables
! Z: W+ `$ A* r' d9 N12-108 Conductors in Parallel (Appendix B)
; Y% R% _2 _$ d0 A1 C) }3 K12-112 Conductor Joints and Splices
, F, p6 A) F: W4 o8 u$ c/ k12-114 Ends of insulated conductors+ H% `0 v$ Y5 ~$ }$ y- P6 N
12-116 Termination of Conductors (Appendix B)4 ?5 R7 q! W4 L( c. L2 @# e
12-118 Termination and Splicing of Aluminum Conductors8 b0 N) P: M* ]& Y/ X- ^
12-120 Supporting of Conductors - Table 21$ i- a2 j9 R B9 d0 o
Open Wiring6 C8 t2 j# c5 w* H7 j" s
12-204 Spacing of Conductors
0 h1 U2 t7 V+ Y; g2 s+ R! |8 M- v12-206 Conductor Supports
j- m, n6 o& J8 z$ C12-208 Conductors on Flat Surfaces/ c: t& i% N4 M, y! e' B9 @! g( G
12-212 Protection from Mechanical Injury4 t: Y: E( i J) I& p! @
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
/ ^' ?& B& }2 N6 T( @, o12-308 Minimum Size of Overhead Conductors [; \, W' z% J; f; L( `) y
12-318 Use of Neutral Supported Cables
1 ]3 f0 U4 b! E: _! WNonmetallic Sheathed Cable
, P/ R9 h+ Y8 h# J! R8 w6 ~12-502 Maximum Voltage! t/ d7 j$ T/ h: u7 Z3 Q2 ^: ?
12-510 Running of cable between Boxes and Fittings (Appendix G)3 k: ~8 k" z, J! z5 r v
12-514 Protection on joists and rafters3 |" a' F: Z& t% l. w
12-516 Protection for Cable in Concealed Installations (Appendix G)
! _' g( ?# z/ x1 S, Y# M12-522 Where Outlet Boxes Are Not Required
" J) O0 v- \0 z: QArmoured Cable/ F7 P0 N d# S" P
12-602 Use (Appendix B)2 K! z$ @8 A4 r* g! M% V \- `6 U
12-604 Protection for Armoured Cables in Lanes6 x% x; A$ y; X
12-606 Use of Thermoplastic Covered Armoured Cable
4 k) S0 i3 P9 a, ]; D4 g5 g) t1 p12-608 Continuity of Armoured Cable- b) J) S' k9 g& [0 Y( ?" a. v" y" D
12-610 Terminating Armoured Cable7 w# n8 _# G+ e) |# k2 L4 N+ Q+ h
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems9 I G0 w( r: B# }
12-614 Radii of Bends in Armoured Cables
3 ^2 T* J$ Y' e H12-616 Concealed Armoured Cable Installation
" I( ? h7 T2 V- \7 ^6 ]: e1 F12-618 Running of Cable between Boxes, Etc/ D, X3 c# G u' V
Mineral-Insulated and Aluminum-Sheathed Cable; R6 Q4 @" [* v& B0 ~
12-702 Use8 c' Q+ Q9 G9 f5 q4 z8 `5 e
12-704 Use When Embedded- ^ n; {$ M/ B
12-706 Method of Supporting
& Z5 U1 Z7 b' s# G12-708 Direct Earth Burial! W; m3 d& f# r7 C8 E
12-710 Mechanical Protection
, f5 `3 R/ B" Y' L+ _# _5 b5 ]12-712 Radii of Bends- Z8 X# I( ], ?0 s8 m% B5 g
12-714 Termination of Mineral-Insulated Cable (Appendix B)
) r2 d. \8 |2 ?5 ?* A- t12-716 Connection to Other Forms of Wiring9 y7 M3 W' M! A1 h$ M" \) \8 a
Flat Conductor Cable Type FCC- h4 m/ ^5 B* e, v* y
12-804 Use Permitted
8 t, [+ J5 r: R! o) q. g12-806 Use Prohibited% c3 g# Q" q8 V* `; l. {
12-818 Anchoring
& f* T. ~% P5 \- j, | B3 _; b12-820 Crossings) c5 q$ k" ]& D: U
Raceways - General; ~6 O, V! d* s2 l
12-904 Conductors in Raceways
% A. m1 d7 G C. v+ @0 Q( f0 I2 b12-906 Protection of Conductors at Ends of Raceways+ O( f- R# `) Y% Y" _/ s z7 J
12-908 Inserting Conductors in Raceways# y, K# ]. k( R4 r5 H
12-910 Joints or Splices Within Raceways6 A- J- u" ]) L! k; s0 q t' o
12-912 Stranding of Conductors
, Y' A7 s; f9 N7 ?) a( Y* a1 B12-914 Electrical Continuity of Raceways$ y1 K, R% W( J$ N
12-922 Radii of Bends in Raceways
- t1 {) ]' w( C+ W$ j/ RN 12-922 Radii of Bends in Raceways Table 7
& {% M# D3 b; K; y* a12-932 Protection for Raceways in Lanes P @# L( j9 v. d6 A% C0 T; m
12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)3 X l. C1 Q5 o8 T
12-938 Capping of Unused Raceways1 H3 x% s5 p9 d
12-940 Maximum Number of Bends in Raceways
; N5 }% w% { P6 iRigid and Flexible Metal Conduit
3 |* D% s8 T$ b6 n12-1002 Use
# l( l1 Z+ a1 z% h* [12-1004 Minimum Size of Conduits$ ^* Q9 u- c' C; v; ]9 W
12-1006 Conduit Threads (Appendix B)2 I. M- \1 ~. ?5 ^
12-1008 Thread Engagement2 W- v' y l4 S" A# n
12-1010 Maximum Spacing of Conduit Supports @% Q3 n! j5 l9 b$ g$ N8 P
12-1012 Expansion and Contraction of Conduits (Appendix B)8 s2 ~, R( P; l0 L9 N
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 9 l' h0 w1 Z- ~, ^: D. A
Rigid PVC Conduit and Rigid HFT Conduit
, ~' p8 B$ @) B9 F5 `2 X6 z. b12-1100 Use# y% _% l) C3 M# o/ ?
12-1102 Restrictions on Use! m% R' @" F4 N- z% S) U5 k# E
12-1104 Temperature Limitations (Appendix B)8 P+ [( E1 z6 w) m* s: j- [0 |
12-1108 Field Bends (Appendix B), (2)
# a D$ f# o- B* R2 g12-1110 Support of Luminaires3 a7 b& R: v* c3 a: r; t
12-1112 Fittings/ N( Q7 X. P( o1 r5 u
12-1114 Maximum Spacing of Conduit Supports6 r+ x' H2 T6 D$ _$ `7 j0 L& }
12-1116 Support of Equipment" U2 X/ U+ S; _) V; @
12-1118 Expansion Joints (Appendix B example)& E q4 G4 D8 S( X4 i. _6 Y
Rigid RTRC Conduit6 Q: t1 n( d$ y* c& x
12-1210 Temperature Limitations# Z( d' h3 ~/ k
12-1214 Expansion Joints (Appendix B)
: y1 }' y, }2 S, v* F0 Y* cLiquid-Tight Flexible Conduit. V9 {7 y# P* h$ U
12-1302 Use of Liquid-Tight Flexible Conduit
+ Y) Z' A- _0 u) B4 J+ ^12-1304 Maximum Number of Conductors$ K4 z1 c6 l4 }! ^, D# j
12-1306 Provisions for Bonding
' S) V) {* k% b1 v* \, J3 T% ~+ [Electrical Metallic Tubing
& M7 k, Z$ D" C2 d8 A' V12-1402 Use
* u, u+ b6 i' o12-1404 Supports: v. j! y- D+ f0 I# o6 N( m
12-1406 Minimum Tubing Size# w8 j; t, k9 V. u
12-1408 Maximum Number of Conductors
( ]$ |8 q' R5 N; b12-1410 Connections and Couplings$ F6 W8 p/ ~0 E, }! ~6 ~4 u, N/ J
12-1412 Radii of Bends in Tubing W5 a7 i' b6 _: _6 k5 d
N Table 7; M$ q5 f9 d# E) y4 T0 L
Electrical Nonmetallic Tubing; {1 r L: l6 @" C9 a4 {
12-1516 Provision for Bonding Continuity. S! s, ?1 r @2 |( t. N5 p/ L
N 12-1514
7 G& A: A) e7 \# w3 qSurface Raceways. w4 {2 Q3 n2 ?9 W' D J1 c
12-1602 Use of Surface Raceway (Appendix B)& c+ f T! I+ H
12-1604 Temperature Limitations1 g. v& p0 [7 p: E6 o
12-1606 Conductors in Surface Raceways (Appendix B)* B, h5 A1 t+ \1 {
12-1608 Maximum Voltage
0 b+ R4 L2 w6 a# ]12-1610 Joints and splices
5 E% y6 E. v% v% N6 r7 xUnderfloor Raceways
% l2 K+ o$ Q1 [12-1712 Discontinued Outlets in Underfloor Raceways& n7 d% E) A% ^3 U! G l+ C
Cellular Floors
' U8 d6 x# | }0 `: x2 f4 n! V# I12-1804 Maximum Conductor Size in Cellular Floor, J8 v7 ^: S# d9 j8 I: D4 ~$ d
12-1820 Cellular floor discontinued outlets2 O# C/ N& E0 o# z
Auxiliary Gutters& b& z J/ F: L' e- ^
12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces
/ E& A3 n8 B% P) Z5 \" Y6 o, |12-1902 Auxiliary Gutter Supports
+ [! [+ s! Y9 W p2 ~12-1904 Auxiliary Gutter Cross-Sectional Area; l" n: r, j/ k6 G( h
Busways and Splitters0 ` Q" n d9 y9 h- y, C+ }
12-2004 AC Circuits in Busways and Splitters5 M+ v- ^; P- F# Q% f
12-2006 Busway and Splitter Supports
8 c i8 D0 J1 _. ?# U, ]- W5 b12-2008 Method of Installation of Busways
' I7 I0 V+ L% S+ C3 R12-2012 Reduction in Size of Busways9 F6 U# n7 d0 W/ |) y
12-2014 Length of Busways Used as Branch Circuits7 F8 d Q/ T! s8 R3 J
12-2018 Taps in Splitters
3 h8 [" H6 T9 l" \Wireways
& n$ w5 a2 s! ]12-2104 Conductors in Wireways
( D$ Q7 {; A4 v12-2106 Taps and Splices in Wireways7 j1 q' @9 V( q* V! d9 ]
Cable Trays
3 b: J1 k3 E1 C' x7 O12-2200 Method of Installation (Appendix B)8 K$ E+ f" T6 o$ c
12-2204 Joints and Splices Within Cable Trays3 G* X) C) j( x! n4 I/ f3 ?2 m+ |4 ?+ E
12-2208 Provisions for Bonding! |; c4 w* x/ V& u2 v a. k
12-2210 Ampacities of Conductors in Cable Trays
* t2 k! m9 p7 W& R. gInstallations of Boxes, Cabinets, Outlets, and Terminal Fittings
6 E7 U" c; B; e; T! B5 ?* l Q12-3000 Maximum Number of Outlets Per Circuit
, p' R7 h8 l% n! o9 o$ c U0 WN 8-304
?7 X2 G& _* G! u7 b2 h5 m5 _1 A12-3002 Outlet Boxes (Appendix B); y; i- G! {3 P6 h( i) ~* }, X
N 12-3000
/ M& s% i W! Q. u' T1 P& E3 g12-3004 Outlet Box Covers x4 M4 U6 v4 w0 ]8 m; c. G
N 12-3002
7 |3 e( Y4 p7 g* c( B3 U12-3010 Boxes in Concrete Construction/ f, T* D. N: g( y
N 12-3008
7 x, }$ Y$ F9 O/ S/ G12-3012 Outlet Box Supports
* g5 b/ z) p& s( Q0 u5 KN 12-3010( t, I$ b; {, z5 _& z! Q! p3 _2 Q
12-3016 Accessibility of Junction Boxes
4 a/ l$ Z! r3 b. E; T& MN 12-3014
, |- i. V( U! i. i, u5 Y12-3018 Flush Boxes, cabinets, and Fittings
$ a6 \/ n) W8 q n' f- ~N 12-3016
! X+ Z/ Y. N' U3 v$ x; N12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) - N# e/ o0 F# s- X5 ?
N 12-3022' [) R: }+ S2 K: U8 E. O+ J* K
12-3036 Maximum Number of conductors in a Box - Table 23
3 k# T0 R# |7 F3 tN 12-3034
7 [; ^# a [1 Z! x) C, y& J* k12-3038 Pull Box or Junction box Sizes
/ U/ } z* H- I' t% TN 12-3036
3 r; R' M G" t- P4 A! P) b
3 T" s$ B% c' a4 t3 g; Z2 N) gSection 14 Protection and Control
" d. R" j4 R: F6 SGeneral Requirement
% p( c7 d: v( @& X% ]14-010 Protective and Control Devices Required
- f: h, C1 f; V) b6 V ?14-016 Connection of Devices5 E5 A: z b2 N
Protective Devices – General3 E e; z9 X$ o9 U3 a( X$ }
14-100 Overcurrent Devices Required. e5 q6 K& T! I" x- j- G
14-102 Ground Fault Protection (Appendix B)
* ~8 J; R. f& X. y/ f14-104 Rating of Overcurrent Devices (Appendix B) Table 13: m: b7 o- v( X$ s( a
14-112 Overcurrent Devices in Parallel6 f' U' _4 {& V& t
Fuses l f" ? _# v3 @; L
14-200 Time-Delay and Low-Melting Point Fuses7 f; Q9 N- G) Q1 t+ `
14-202 Use of Plug Fuses
* Y6 S1 h9 S2 {7 J14-208 Rating of Fuses
' H7 v# `9 m" ~14-212 Use of Fuses (Appendix B); R9 d. g# z6 O, A$ \6 z" V7 U) X8 c( g
Circuit Breakers5 L* O; n5 {* A/ D
14-300 Circuit Breakers, General
( k0 D; n8 W2 `' K7 t14-306 Tripping Elements for Circuit Breakers
5 I0 S9 M3 |- I2 Q- N14-308 Battery Control Power for Circuit Breakers& ?9 U1 d @6 s7 d: G1 l
Control Devices - General
8 F0 u+ V1 q- N9 a8 ^$ \14-402 Disconnecting Means Required for Fused Circuits
3 s" w. Y% S2 C1 I3 o# M; mControl Devices - Switches
4 }/ d' g, c9 i1 `" c' z* F14-502 Mounting of knife Switches
6 P: _, c, M: j, K8 ?14-504 Maximum Rating of Switches4 g% s6 O: Q1 p* {6 D
14-508 Rating of General-Use AC/DC Switches (Appendix B). C! y: u7 z, Z( ~! f" _7 `, B l
14-512 Manually Operated General-Use 347V AC Switches (Appendix B)
. y) W# |( T0 p0 k5 ISolid State Devices% P1 S: l* d5 F. X! |9 P
14-700 Restriction of Use
+ T. s6 c7 a2 c3 k G; J14-702 Disconnecting Means Required
! \. P C5 }. p: W) I
# o# _' ]- B% eSection 16 Class 1 and Class 2 Circuits
% n) C+ k4 j8 p7 N# LGeneral: C8 E. ^% |- T, ]4 b1 m
16-004 Class 1 Extra-Low-Voltage Power Circuits
2 y! R4 x' M2 L/ f# d# B: U9 z16-006 Class 2 Low-Energy Power Circuits8 K5 v3 P6 D( D; V1 N# H+ f G2 k4 r
16-012 Circuits in Communication Cables g. u6 b) { F6 m; \, o* G
Class 1 Circuits
6 I$ N* A7 i& \) k' H' c0 }( ^3 f16-100 Limitation of Class 1 Circuits
$ V2 n, O2 H! X16-104 Overcurrent Protection of Class 1 Circuits8 r/ b Y* z: g" C: u2 M7 X+ V6 i
16-106 Location of Overcurrent Devices in Class 1 Circuits% e2 J7 z' Y/ k, ]$ L
16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
* {% L* p: [3 D- O16-110 Conductor Material and Sizes
- ^7 d. ~$ M5 e3 H2 W/ ~$ g16-112 Insulated Conductors for Class 1 Wiring
. @8 \/ [: G# x. q! l3 j& {& ?Class 2 Circuits* Z2 H" J# l& K3 C, }, B5 z* ~* M
16-200 Limitations of Class 2 Circuits (Appendix B)
3 \3 c* J: `: j% t. a( V3 v% Y16-204 Marking6 c& c% l. S: x$ W% D+ U5 e
16-206 Overcurrent Protection for Class 2 Circuits$ u1 `6 r# y+ H
16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
7 I8 C- W4 h# i* j8 @ELC: extra-low-voltage cable( \" w5 a7 e/ D l' O
16-212 Separation of Class 2 Circuit Conductors from Other Circuits$ n, b0 D" g9 N4 R
9 f& b1 c1 \0 r0 ?1 I
Section 18 Hazardous Locations
0 f, X" f5 t+ W7 C, [3 B# ^8 XScope and Introduction
& Z/ D" \' z# e) s7 z18-004 Classification
& K' n# b, ~; x1 y" N( L1 Z* O18-006 Division of Class I Locations (Appendices B and J)3 N" B! F V" k9 j& w3 B _
18-008 Division of Class II Locations (Appendix B)7 ] t1 Z9 G0 R) I. W+ X7 l* u$ B' A
18-010 Division of Class III Locations (Appendix B)
1 H- h5 L/ V+ i2 D( ^; q4 WGeneral
7 X( ~% U& U9 f* K18-062 Metal-Covered Cable (Appendix B)* ]$ p8 h' W' C4 X
Installations in Class 1, Zone 1 Location
3 ^ {# z3 R3 F: i8 n18-108 Sealing, Class I, Zone I (Appendix B)
: d! v$ h6 F# L9 @, p7 ?4 L7 ^& u0 [* V
Section 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars
j# h2 L# l# iGasoline Dispensing and Service Stations
- P- i" L' l5 d20-002 General
H0 S- k" a, L5 j6 g2 d20-004 Hazardous Area (Appendix B)
# ~/ `+ N2 y2 j p- bPropane Dispensing, Container Filling, and Storage
6 [% X2 {+ o" X9 \9 b1 c" `20-034 Hazardous Areas - Table 63
5 b' R3 C' E( o- vCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities6 W/ {7 W- \% _0 X& E1 _0 [' g
20-062 Hazardous Areas
1 E, R0 d- b$ l- M( bCommercial Garages – Repairs and Storage' t, d6 E8 _/ Q* W
20-100 Scope4 u2 [- Q0 B# g! S* H% b/ ?. Y s
20-102 Hazardous Areas (1) ' [0 G- S8 V' g- p4 q
3 u" d5 k4 N4 `9 j) C
Section 24 Patient Care Areas x" B- i: O. K. n
24-000 Scope (Appendix B), S4 ]8 T: L* ]" ^" Q0 E$ T
24-002 Special Terminology (Appendix B)4 B y+ k( y3 g4 ^ f; l2 d
Patient care area$ \: t8 |% C- _2 z3 k# X' p
Patient Care Areas
6 n+ v' u# k1 A4 U24-106 Receptacles in Basic Care Areas (Appendix B)/ n4 `( w/ L) K
Isolated Systems
9 H& M5 `' C. Y# L24-204 Single-Phase Isolated Circuits (Appendix B)4 ~& l6 ~. y& [+ h' t4 u, O
24-206
% s9 P" `/ Y. w; R9 @* m& d# J3 |0 `7 z( |: I9 R! i
Section 26 Installation of Electrical Equipment9 K0 w! m b9 H) R; ?1 m8 |* i
General" W M2 E& ]! A' b5 z
26-004 Equipment Over Combustible Surfaces (Appendix B) \0 u' u% x6 n9 }: |8 @
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
8 `2 l5 O( @* n9 J Isolating Switches6 I& b3 ?, k+ R; ^1 I
26-100 Location of Isolating Switches
" s' L& b- u8 w* R. I0 X; Z+ WCapacitors
j& l! o1 G" G* H! b1 S26-204 Guarding of Capacitors
9 e- {4 c; m5 v' M% G$ u2 F5 K" r9 T26-206 Grounding of Capacitors
% t) P' f) X9 G9 E26-208 Conductor Size for Capacitors
8 j* G+ A2 i; F( I& Y" i26-210 Overcurrent Protection (Appendix B), f& z( B# ~# T
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits5 v+ p5 j6 z, \5 A% }7 }
26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits
, |* f/ C) a g2 c3 k26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits* V& x6 \6 V5 n- p; [; V7 Y
26-218 Special Provisions for Motor Circuit Capacitors
$ M1 d& ` o0 ^+ P26-222 Drainage of Stored Charge of Capacitors4 v% e+ o' t4 s* s5 m, w
Transformers0 Q$ y$ E$ K' [
26-240 Transformers, General
5 D& v% ]4 E& E$ C; H26-242 Outdoor Transformer Installations/ \- n+ j; p. I. t) B6 k8 }7 B X, h
26-244 Transformers, Mounted on Roofs (Appendix B)
1 M+ K' i% H+ G n/ M) \9 G) m26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)* I! }7 T Q7 @
26-248 Dry-Core, Open-Ventilated Type Transformers5 ?+ s, y5 P4 M/ R/ `
26-250 Disconnecting Means for Transformers
1 e B" H2 j4 d5 {+ r) ?2 Y26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V( P5 i+ W0 t9 \2 V* O
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers! p" A b: N1 q$ s- F8 d
26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)6 a& i6 J( L/ S7 }
26-258 Conductor Size for Transformers$ s3 J- k# x" J4 L* z
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)9 V% D( K' U3 r8 b7 @
26-262 Marking of Transformers0 h- m" Q" L H2 V* `8 y' N
26-264 Auto-Transformers4 ?- Q9 q/ D9 f! d" j1 s) p
Fences2 H! S0 ?7 c8 D" q
26-302 Clearance of Equipment - Table 33
6 l/ z: C! u5 pPanelboards
' w; z M. y* P R8 k- O26-400 Panelboards in Dwelling Units (Appendix B)2 R4 K0 P+ k6 D; E* y! {7 B
26-402 Location of Panelboards (Appendix G)# Y/ p4 C: m$ |9 f& Z/ b4 n; H
Lightning Arresters: L3 P) w, X3 {! b1 v; r% ~, P- |6 C% H
26-508 Connection of Lightning Arresters' M3 Y% H/ G' W' i8 A
Storage Batteries9 M; J4 ~$ x+ {1 J" Y% q
26-542 Special Terminology2 h& f" J' F G0 N- b- `
26-550 Battery Installation
' i0 ^0 T9 a' a; C4 t6 b) j o5 \26-552 Wiring to Batteries7 `# c$ _* {: T
Arc Lamps
0 n) g/ ~: w7 g' x1 u( |$ B% P8 b26-600 Location of Arc Lamps
$ n0 f9 n6 |, Z' Z% H& i26-602 Conductors to Arc Lamps/ ~# E* z9 D, m" q) k4 a% J/ ~8 Y9 w8 n
26-608 Globes and Spark Arresters; @0 W1 u1 y( E( }* R, I
Receptacles
9 Z- O' q8 j1 @% m4 p9 D5 U' T% G26-700 General (Appendix B)6 d! M7 s& J, B
26-702 Receptacles Exposed to the Weather7 }/ p" r. t% V' n; y
Receptacles in Residential Occupancies
7 [ ~3 V( F( ~! u26-710 General (Appendices B and G)9 l, D1 W/ n- T5 g! x: |( C/ c
26-712 Receptacles in Dwelling Units (Appendices B and G)" v9 X+ Z$ @. s7 A3 Q5 k: @
26-714 Receptacles in Single Dwellings (Appendices B and G)# x0 ]/ `- p k+ ~+ c- G
Branch Circuits in Residential Occupancies7 ]) \4 c1 }: ^; H! ]; k
26-720 General
9 G; H: S( t. T' w) |+ z2 e, `26-722 Branch Circuits in Dwelling Units E) T3 z; G, ~
26-724 Branch Circuits in Single Dwellings
, L) Z, q; R1 [( w/ g2 Z* K26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)
. H; H1 I- ^! k: cN 26-720 (F): B/ o5 g, c- E: ]
Electric Heating and Cooking Appliances
# O8 c8 E8 H3 B/ Y/ u, O" F3 E26-744 Supply connections for Appliances: M& x( n7 _0 a8 R
26-750 Installation of Storage-Tank Water Heaters
+ m# `: W+ O, J/ X+ o6 X26-752 Infrared Drying Lamps- i- S' Y! \: `& v S7 `! @
7 G! B$ C1 b; N5 n! C T" u7 r
Section 28 Motors and Generators/ c4 \5 N4 K# z1 z8 ^, S
General
9 h$ h2 o5 i: i0 R& {$ N" m+ r28-010 Special Terminology
' K2 H) ^* j) }* lHermetic refrigerant motor compressor. j) U. @9 @+ w: g* k
Locked rotor current rating9 d) t5 H$ O z) m2 K. u; R
Service Factor* B$ o5 n z( `" [9 r
Table 44; Table 45; Table-D2
0 \/ x2 R6 A o8 o: fWiring Methods and Conductors" C. U7 |3 Q/ ]9 A
28-102 Portable Motors+ A4 Z3 i! k" k( f# g/ b
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity
5 j& |, p ?8 m# V2 }0 g. B) ]28-106 Conductors, Individual Motors
3 u$ w1 J& s7 O0 K& L28-108 Conductors, Two or More Motors* i3 C/ ^% P+ b( B0 I* M
28-110 Feeder Conductors
* k& q% ?: ~5 l. k' Q/ r28-112 Secondary Conductors4 H% N# K$ O* C) J/ M
Overcurrent Protection
4 x/ K! y+ K& ?7 |; g3 I* H28-200 Branch Circuit Overcurrent Protection
. N; S( J6 }7 X6 M0 Q0 R f28-204 Feeder Overcurrent Protection9 q8 ^. k/ e P6 D) z
28-206 Grouping of Motors on a Single Branch Circuit
( d# G: p$ _+ L7 A28-210 Instantaneous-Trip Circuit Breakers (Appendix B)/ B8 R; M) H5 k9 j1 h
Overload and Overheating Protection
8 ^1 l0 X I) q1 f6 n# l5 K28-302 Types of Overload Protection
- t- n* A! Z$ v% E* [2 l: U28-304 Number and Location of Overload Devices (Appendix B) Table 25( O: a% \$ d' S
28-306 Rating or Trip Selection of Overload Devices (Appendix B) {6 |* ]) ~' T1 h3 K4 F
28-308 Overload Protection Not Required4 A. V# ]5 q& s$ H c
Undervoltage Protection # ?7 n* c% P0 n! h! ~
28-400 Undervoltage Protection Required for Motors (Appendix B): p! T- d# ?& f
Control
' } \) a; D& E- b9 H28-500 Control Required: J& _0 d: z2 ]5 N
28-502 Control Location
7 c- `; h. H- n28-504 Starters Having Different Starting and Running Position4 B8 G* Q! s' \# o4 T
28-506 Grounded Control Circuit
9 O0 J* g* X, f. jDisconnecting Means
3 o. L* K+ T/ u" v, j28-600 Disconnecting Means Required2 f# Y# ~/ W! Q+ i
28-602 Types and Ratings of disconnecting Means (Appendix B)
6 g2 D! Q9 K0 ^1 i u \" x28-604 Location of Disconnecting Means
3 ?" K2 S5 Z0 |3 } Hermetic Refrigerant Motor-Compressors6 w1 j$ Y# {1 j! l
28-706 Conductor Ampacity% \# ]; y" ?) r4 h- a
28-708 Overcurrent Protection
; f9 g7 x8 e/ N5 {$ n+ @28-714 Disconnecting Means
; N* [( e4 I$ R; r) MProtection and Control of Generators
3 e; o8 h; u7 o8 q( V& u28-900 Disconnecting Means Required for Generators
v9 }% u' e/ h* R28-902 Protection of Constant-Voltage Generators
+ O) a8 V$ T5 N; [* i2 _28-904 Generator Not Driven by Electricity
; o) t; `9 y6 s; K" M% \2 W& q28-906 Balancer sets) N" G7 ]! q5 q: r
28-908 Three-Wire Direct-Current Generators; R$ ]8 X" y$ {( R+ U
H/ |3 r( [$ P S! _0 Z7 USection 30 Installation of Lighting Equipment
% h* p+ ?2 q5 I, [5 w6 }/ X5 q. e30-002 Special Terminology (Appendix B)! j) Y, O( B3 W- u5 C
General
8 c* x: u' A ^# L0 r6 P; `6 G30-102 Voltage
5 i& ?% I! R$ B30-104 Protection (Appendix B)
, k) N3 V$ [# Z' n; d' u4 L6 W30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment, s% j. Y1 |% o5 s0 u9 J
30-108 Polarization of Luminaires+ u9 b v Y% A9 p! u+ ]
30-110 Bonding of Lighting Equipment( z8 s9 O9 z5 K% }1 v. ^
Location of Lighting Equipment9 {9 W/ _% D& Q9 h- g4 m3 w
30-200 Near or Over Combustible Material
: v! O( l9 b, |, H+ V5 J. V3 r+ X5 o30-202 In Show Windows9 \& E' m; t0 J' K; q Q
30-204 In Clothes Closets
* r+ |. q! Y0 hInstallation of Lighting Equipment
3 r( O% `5 e. Q# j7 h& a30-302 Support0 r. z5 V/ o. p% L
30-304 Outlet Boxes to be Covered% E8 Q- a8 v6 S1 v! W: @+ S
30-308 Circuit Connections
6 c$ U4 \2 n3 w+ ?30-310 Luminaire as a Raceway5 I- {" R" C) z2 v% J
30-314 Minimum Height of Low Luminaires
$ k* Y% Q! l7 W* f" i8 j2 F30-316 Luminaires Exposed to Flying Objects9 V, P2 a% D. j! P8 I( p
30-320 Luminaires in Damp or Wet Locations" t( F' `0 ~! Y3 \; P$ t" L
N 30-318
/ Y$ r5 n, ~1 L. J* T' DWiring of Lighting Equipment
. }+ O: s9 u5 j/ T! n30-400 Wiring of Luminaires% m4 M5 u* l3 \3 @* K7 E- U9 a
30-402 Colour Coding
, K; m/ R, l3 @$ Z. a; n30-404 Conductor Insulation
5 X G$ f p }1 l I30-406 Conductors on Movable Parts6 N3 Q3 m8 I5 N9 j
30-408 Wiring of Ceiling Outlet Boxes
. `9 F0 Q* j$ }! R W- v* X! ~30-410 Wiring of Show Window Luminaires3 {! w+ k& H0 t2 W* X( }, S
30-412 Tap Connection Conductors
3 L) n) ]3 |7 tLuminaires in buildings of Residential Occupancy4 l, G5 A9 X3 ^3 |; f1 J1 P$ W# h0 z
30-500 Lighting Equipment at Entrances (Appendix G)* j6 G/ m' n: h% G
30-502 Luminaires in Dwelling Units (Appendix G)! N r; \9 B: T: C$ c8 L7 ^
30-504 Stairways (Appendix G)6 J! j1 W% u+ u$ z- D
30-506 Basements (Appendix G)
" k: @: M7 o+ \: @) l6 S30-508 Storage Rooms (Appendix G)4 S$ ?' Y2 X$ K1 [1 y$ X! q
30-510 Garages and Carports (Appendix G)
7 r! e. I Q' T, N v* HLampholders
% d8 x& ~# v1 h' y9 c/ ]# [& ~30-600 Lampholder rating with Incandescent Lamps" ?5 j, L6 O. K ~
N CANCEL
/ J2 ]$ d: B, S" `30-602 Connections to Lampholders% T3 v4 y! M. b, T) L
N 30-6001 \* c1 g5 P6 Y; n5 J9 h: x
30-604 Switched Lampholders Used on Unidentified Circuits
1 w- S$ `3 {4 Q# i% z0 u. eN 30-602
+ p' u% Z- J2 W( j1 W% r30-606 Switched Lampholders with Pull-Type Mechanisms' d5 u2 H! a7 ?1 j2 m
N 30-604
, C/ Y! B* m5 S: T* o4 P) h30-610 Pendant Lampholders
% y7 L7 [7 n, dN 30-608. M" ?! M; R7 c% \8 {7 G
Electric-Discharge Lighting Systems Operating at 1000V or Less
, g, t' e: l! a% r30-710 Control (Appendix B)
: F. ^0 Q, k/ p0 w/ k30-712 Branch Circuit Capacity4 G1 I+ ~0 Y' e7 c$ R
Electric-Discharge Lighting Systems Operating at More Than 1000V7 B& h8 J- M6 N0 l) m* R. c% v! m
30-802 Voltages, Dwelling Units2 `( x w- ?3 w( w( h" ?# T& ]
30-804 control (Appendix B)1 e( I% r* ?) N h/ S
Recessed Luminaires (Appendix G)5 E3 ~! n( N k, j1 l5 p3 m
30-902 Spacings for Non-IC Type Luminaires( u7 ^( _: l! i) C0 k/ L
30-910 Wiring of Recessed Luminaires (Appendix B)
8 A) g( R4 `* O( @Exposed Wiring for Permanent Outdoor Lighting. `9 r1 G9 ~9 Q! x. ?# Y, G: W: x
30-1120 Branch Circuit Loading and Protection
5 i1 |5 ~+ V. r- x/ d7 F: D. SExtra-Low-Voltage Lighting Systems
" d1 D8 [, ^ S30-1202 Sources of Supply% Q' r+ ^ _1 l0 M- Y
" g4 }; F G% }, A3 M2 _! _ PSection 32 Fire Alarm Systems and Fire Pumps (Appendix G)
% b ]" |3 q! n( M0 n% G1 GFire Alarm Systems3 F& \. q# o& {1 m
32-100 Conductors
( n1 z7 d, j" U3 L32-102 Wiring Method
9 k! N/ o' M. h4 f32-104 Equipment Bonding
" ]: _: C4 S8 w9 M( U) _6 R32-106 Electrical Supervision
2 w' @3 b0 w% l. P+ o. Q32-108 Current Supply
' O9 t: \2 G3 R! R6 `32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
& R3 P+ J. d) ~& d+ ~3 xFire Pumps: V$ h7 X4 ^% [; J, g2 B. r4 W
32-208 Overcurrent Protection (Appendix B)
, H5 d0 ~( M, L/ I8 {9 B+ F Z* cN 32-206& T1 H' t- q9 m, E
32-210 Overload and Overheating Protection (Appendix B)
S! J' }5 x: q% |, X32-212 Ground Fault Circuit Interrupter (Appendix B)2 q5 T& ~' {* N4 c
% A* Z8 ^# Y5 Y! s+ o/ z
Section 36 High-Voltage Installations
4 H7 m& o( F8 n% R \# Q7 ^' ]6 NGeneral
0 B$ b% m$ b2 j6 ?+ y9 h7 T$ A36-000 Scope (Appendix B)
, ?. Y0 b$ B- i0 m" h36-006 Warning Notices* s5 k/ g: _& g+ ]1 f8 N
Wiring Methods, u2 H3 `) r) Q& M' s
36-102 Radii of Bends! ^4 G) { J* u5 U* m' h5 e
36-104 Shielding of thermoset insulated conductors* o+ B* A' }- j- ^
36-108 Spacing of Exposed Conductors (1) table 30, table 31" ?4 C9 E# A$ |
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
+ i0 m! \: H PControl and Protective Equipment6 h/ d. L2 r7 {
36-214 Disconnecting Means' w% ?' a2 g: p6 _ B3 S: u' h$ {
Grounding and Bonding
# n4 k- H- R9 z, n4 X: I/ y" T% A* F36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
! J1 I5 w: k& c36-302 Station Ground Electrode (Appendix B)2 k6 Y+ [, Q& b1 l* }# _0 P2 u/ F
36-304 Station Ground Resistance (Appendix B)
; Z' M. L0 c0 m% L* t S8 s2 X36-308 Connections to the Station Ground Electrode (Appendix B)
+ c3 l$ q& q. M36-310 Gang-Operated Switch Handle Grounds
' l8 F# ^- H. |; o36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations
9 L. q' t* |/ [4 g2 {8 Z8 Y6 ~
1 a0 Y4 |, {+ L8 m4 ?: b! LSection 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment5 }$ A& q. B7 @* x& _
38-002 Special Terminology (Appendix B)
* R9 ?& ~: t$ E8 ^ Y2 N& a38-003 Voltage Limitations (Appendix B)) f' K+ @( e9 G( v9 _
38-004 Live Parts Enclosed r9 R0 d+ V6 b; F/ Y5 v8 f/ t
38-005 Working Clearances- E0 F4 L j+ s, C! B2 u
38-011 Insulation and Types of Conductors
8 i9 t) m4 J, ^8 ^ p7 Q! \: ?38-012 Minimum Size of Conductors3 e5 g' g) R3 ?6 O4 d/ F
2 ^3 w& y t, ISection 40 Electric Cranes and Hoists8 ?9 K1 k: _9 E9 @2 E- I' Y
40-008 Disconnecting Means
9 t4 n4 d+ K# y, m40-010 Main Contact Conductors
; `' \6 l4 l6 }# G7 a2 D! C* ]+ y0 V: s" y
Section 42 Electric Welders
1 `$ [+ K8 X+ ?) T1 PTransformer Arc Welders0 i6 s+ {4 m# `( p. x, }
42-006 Supply Conductors7 u! c' U6 g7 d: i; c" d" H
1 b+ H |4 R+ Y* H! H b5 L
Section 44: Theatre Installations
l" o0 v: {4 {# W$ t4 G$ i" @General+ r; M8 K* S9 D% P! O
44-104 Number of Conductors in Raceways: j- s* Q; A, N, V4 b% P
44-106 Aisle Lights in Moving Picture Theatres
8 `7 t; ]# U5 L7 y$ l0 b/ v" cFixed Stage Switchboards a5 e d6 C& W) @* o: S- m" i" d- p
44-210 Overcurrent Protection
. q3 C5 W$ T) o) S) S& N# iFixed Stage Equipment
L6 U- A, L4 o44-324 Receptacles in Gallery Pockets
r- g1 N' R2 k8 I: u44-326 Receptacles and Plugs
; ^9 T9 g; s& o; r
) K; g" u; w: U5 zSection 46 Emergency Systems, Unit Equipment, and Exit Signs
' u1 G- c/ @ C6 w4 p% AGeneral5 N' }$ H H2 v5 S
46-102 Instructions
* B, l7 x* u) G T! J1 x: W) Q# [, H( ]46-108 Method of Wiring (Appendices B and G)
* v# B7 g# p; [: s+ k; K" HEmergency Systems
2 [% d/ f: c3 ^3 A46-202 Supply (Appendix G) W2 y! p1 W. N/ [& v# s
46-204 Control
8 _3 H6 j8 O2 Q46-206 Overcurrent Protection) L, d. U! i6 M1 I0 s+ H
46-210 Remote Lamps- m/ P' y- c `6 `6 h
Unit Equipment
$ i k; p! K4 J46-304 Supply Connections
: y1 N9 g( X% q; k B8 T- l46-306 Remote Lamps (Appendix B)
; T, w2 b- e, e3 m# @) W. p! }4 JExit Signs
! N5 i+ C d. a0 \- I9 X% W) t46-400 Exit Signs (Appendix B and G)
" u+ y% r m8 F) c, \( g" r1 C% I# f4 a! ]7 @
Section 54 Community Antenna Distribution and Radio and Television Installations1 g2 `/ {; m$ {7 E
54-000 Scope
9 P! b* F6 B) O8 i+ C7 @& J54-004 Community Antenna Distribution (Appendix B)
8 A5 k1 t! S- @Community Antenna distribution% l7 g' b. q; S
54-100 Conductors1 ~% A1 w+ C# @7 A0 |7 |& B
54-102 Voltage and Current Limitations (Appendix B)
! O! j" D$ @" J5 w2 }& AProtection4 B- p: d; B n Q% r
54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
3 t' k( d' U/ i' M# PGrounding
9 B) t! A" g( m# `6 n54-300 Grounding Conductor
7 J; r3 w1 @4 F' E* n7 g4 @5 TConductors Within Buildings5 Z$ y0 s) M. e$ U* c7 ~; y
54-400 Separation from Other Conductors& ]" o* h3 T* f; M
Equipment
- J; _ @! p) c. Y- W54-500 Community Antenna Distribution Amplifiers and Other Power Sources) \$ L3 B: F8 {4 @
54-502 Exposed Equipment and Terminations
4 G K# P& ^0 E1 ~' p# {
, t( W1 b# V7 OSection 56 Optical Fiber Cables, R D$ { d) c0 H' c
General" N* S% j6 N. a" w
56-100 Special Terminology
+ V: e8 u" M# E( \. l56-102 Types' }4 X+ W9 C5 r1 v$ K0 G, t$ `
Installation Methods
9 v4 k3 j! O* Q S5 K56-200 Nonconductive Optical Fiber Cables (Appendix B)8 c1 M- P' G- d' |
56-202 Conductive Optical Fiber Cables (Appendix B)4 ~- C- U7 H- Z
56-204 Hybrid Cables! f6 Y, g1 O( F: F, @: m
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)
) r' B1 h: A4 A7 W* v) Z$ M5 i
& G- p: X2 F0 h u4 n/ x9 R2 MSection 60 Electrical Communication Systems
8 P: P* O$ V# J" F& R0 sGeneral3 _, N( z! W+ N) \5 i
60-100 Special Terminology
% p& k( e+ Q7 k5 y/ lProtection
) V: E/ z0 {/ V# I6 m60-202 Primary Protector Requirements
- ?; I& @) U* KInside Conductors
4 s6 r+ K3 Q0 p6 w' V60-308 Separation from Other Conductors
; R) t; [; V4 Z" w6 F0 H8 |Equipment
' ?7 c6 b! L0 _- @2 @60-404 Exposed Equipment and Terminations
. T$ j2 c6 O9 aUnderground Circuits
' I0 d p& z/ O' y! L60-600 Direct Buried Systems
! d0 E" E+ f) g0 V9 A' c% w7 N' y- E& E! @/ I
Section 62 Fixed Electric Space and Surface Heating Systems
1 g4 X* v* v0 b. C- eGeneral+ x) o; I% ]: {% t' Y8 H
62-102 Special Terminology
1 M r4 \9 a* _* Z2 @; c. O7 R9 ^62-108 Branch Circuits
* H* P6 X$ a1 [- H0 @62-110 Installation of Fixtures
6 M) e' i1 E# G" d! k. R62-114 Overcurrent Protection and Grouping (Appendix B) (5)
) g2 H8 v& x: I7 ?62-116 Demand Factors for Service Conductors and Feeders (2)
& M. `! I$ L& d* |4 i% |" Y62-118 Temperature Control Devices7 D3 c0 g4 y- {! J. ~1 m; w. m, h
62-122 Installation of Series Heating Cable Sets (4)(7)
) }9 [$ C P5 `" T5 ^. N% j& L) ZElectric Space Heating Systems5 d* i# g8 c2 e7 O: E
62-202 Temperature Control+ K1 q" x% K9 k4 h. t0 g( q8 C
62-206 Proximity of Other Wiring (Appendix B)
7 M1 T3 c# T% H. J4 I62-214 Installation of Heating Panels and Heating Panel Sets
X0 d9 o* N7 O3 N' ^/ Z6 z& q62-218 Series Heating Cable Sets in Cement or Plaster Ceilings" ~& {8 E9 M% X p4 Y9 E
62-226 Installation of Under-Floor Covering Heating Panel Sets
5 p- a8 d2 ^' Q; s" }5 q9 q, gElectric Surface Heating Systems7 O7 \1 Q, j; h K# N& r) }
62-306 Heating Cables and Heating Panels Installed Below the Heated Surface
/ T& U$ L2 W2 Y+ X
! F* w, U5 x2 x7 R. X8 Q% M5 ^6 OSection 68 Pools, Tubs, and Spas; _+ W& S3 y7 G9 g; T$ ~
General
w* u4 ]$ j6 t. ]: T' E68-050 Special Terminology
' a5 E+ S0 c3 U/ m68-056 Underground Wiring - Table 612 E$ j+ [7 [3 r8 X* D% k& W
68-058 Bonding to Ground (Appendix B)- X) G8 I5 ?0 O& O8 D! x
68-060 Junction and Deck Boxes (Appendix B)
: e- x9 {+ b' K' t- Z4 S' w' g68-064 Receptacles
6 p( R* v5 ~1 {' ~; @3 h: X3 P68-066 Luminaires and Lighting Equipment
2 U. T2 h7 Z4 F$ w P! r68-068 Ground Fault Circuit Interrupters (Appendix B): Y+ N9 E, `& S* B
( m; w) m" Z9 kSection 70 — Electrical requirements for factory-built relocatable structures and
; |# M% J. {+ B knon-relocatable structures. e. L5 h9 ] g* P8 B$ ^% x$ n. G
70-130 Tests (see Appendix B)
6 H7 H, m5 C" w3 ?1 [* R/ `8 b6 Z% P/ y
Section 76 Temporary Wiring (Appendix G)( h7 m2 ]1 x; y Y& j
76-004 Grounding
% R: N; A2 ?9 Z$ j: d/ T4 G. y# {76-008 Service Entrance Equipment
+ A" V" X3 Z! VN 76-0066 k5 G1 ^+ t7 R* q
76-014 Branch Circuits3 y/ R2 A2 G9 g) O3 R
N 76-012* ^% A/ Q1 C# c j0 ^$ i( S; L5 i
F: u0 F q0 F" n6 Z0 zSection 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours
8 I1 e% I5 Y$ o" [ QMarinas and Yacht Clubs
$ S3 L% p6 F: r7 \78-052 Receptacles1 o" k( c& T/ E$ r; @
78-056 Feeders and Services
6 I4 h+ }3 q( `0 o+ K1 n( i4 ?Marine Wharves, Structures, and Fishing Harbours
* C1 @" H2 ^: M% z" _: x% @) G. S78-106 Grounding and Bonding
9 i- q1 q0 _/ r4 \Tables0 ^; E# A& O( W; w% B" x
1,2,3,4,5A,5B,5C,5D,6,8,9,10,11,12,12A,12B,12C,12D,13,14,15,16,17,18,19,22,23,24,25,29,31,32,33,34,35,41,43,44,45,50,53,56,57,60,63,65
G4 N- E: H" ^0 h+ |$ _5 J. n" f+ x, O- O: U
Diagrams: 1, 2, 7" o# [; A K) Z! D
: J" W& z2 \# b/ a/ f7 k; G% VAppendix B
+ `2 Z! u& x9 s7 E/ PP352: Ground fault circuit interrupter- 6mA* Z- s& r% `7 b& T) ~7 Y
P354: 2-126 FT1, FT4
% ~% {! N0 n% e( [% ^% UP366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
7 M- ~9 V' u2 [* q, S4 M: m4 XP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1)5 s# z2 y" w+ A; D3 b+ Z$ V5 }
P370: 12-1012, 1118, 1214 Example:, `8 z. {' A C+ U+ t' n- @( v
P371: 12-1108; T( G' X) i% p0 l$ q/ I- I
P381: 18-108(1)(b), 18-158(1)(b)
' M) _" J( w/ tP386: 24-206; v! y9 C7 L& y3 d7 K
P389: 26-256
3 f- T6 ~3 G J% v$ S, BP391-P393: Section 28, Example to determine Motor Conductors and Protection
! ?# c5 S$ w, [0 W5 I2 ^. }! ~7 D9 g0 N N" E( @; I( r" V( W
Appendix D
/ y) y' W# V; I5 T" g/ \! tTable D1, D2, D3, D4, D5, D6, D7, D16 |
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