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Canadian Electrical Code Review Guide3 H: Q/ `' |0 D2 K4 E3 A+ l- M
For the Exam of Electrician For Red Seal License
+ m- a' x8 h0 S U* e$ S8 |8 t# }3 z
% P. x' j+ W; u* U, _5 I2 |9 HLesson One1 a# X2 \8 _0 _
Section 0 DEFINITIONS
# W: O5 C8 P! t% X! w! ?This section is a required reading section. You should become familiar with the terminology and it’s meaning. For example:( Y0 f$ L& ?! @3 M1 {9 U" {8 v
Accessible as applied to wiring methods0 v& E2 `4 {. T: W8 A) g7 u! j, g0 A
Alive or live
' D7 e4 [1 d \' R/ G2 e6 oAluminum-sheathed cable! N, b1 P0 V- U: H. y
Ampacity
! p' ~ g7 u& h" K" J- zAuthorized person
( S0 c( N$ _3 fAuxiliary gutter+ Y0 T1 q6 d# E3 {7 L8 ^( ? ?! k
AWG$ s) F$ m5 p- E \& s
Bonding
/ P9 P2 A. m7 x" F6 n1 k" q4 v% hCable tray
' @* @. y( S; W! nCellular floor
2 q4 t8 h) ?& ~0 L/ Z& KBranch circuit
, {9 j4 E4 Y. ^Bus+ S' ?1 F1 b! i+ b0 @& b1 U
Busway" J+ b4 _) Q8 k+ I
Communication circuit- I$ h! B# c, E5 Y/ W
Extra-low-voltage power circuit5 a! r2 P, D/ v+ a
Low-energy power circuit
+ u8 k; y) r' F {Multi-wire branch circuit
: a& s/ J. ~+ B( J# _% ZRemote control circuit4 }1 }" O& Y/ N" N
Signal circuit0 f$ Q4 }0 V: B5 f" S g
Circuit breaker
$ T& }, U* h) c& M0 O% X- XInstantaneous-trip circuit breaker
3 a% K7 `% t- }, D* gConductor
A1 [# r5 O1 U- {Conduit
4 T" Z3 Z# j0 z6 ? Flexible metal conduit, a- T7 H/ ^% K6 z, V# g7 r# F
Liquid-tight flexible conduit
- z! I7 B3 K4 Q% u9 w9 m/ f Rigid conduit2 y9 e5 L: M2 Y5 J+ i
Rigid metal conduit
" L7 S( s X5 v! ]8 q! M Rigid nonmetallic conduit
$ S- w" ^- t# M6 _# \9 Y- ^ Rigid PVC conduit# a# j4 j2 F) Y/ A0 X
Connector
, ?$ G9 j y8 n7 {+ ` Box connector- N8 b3 u! A7 ?8 U- l
Wire connector5 N0 M% v: G/ Z! v; F3 j
Controller
# z% ^5 k! N/ k* e/ t/ P3 `% @Disconnecting means+ i2 _5 e6 u1 m w4 D
Dust-tight
+ g9 s. Z" r8 _5 R0 ~, aDwelling unit
. p6 H4 b5 V3 w0 R1 QElectrical contractor0 i, _7 Y0 Z7 f& i9 R6 p% \" ?
Electrical metallic tubing
9 X: L; x4 ]( {; hElectrical nonmetallic tubing
1 @5 s* B" l' j: Y. p! ZEmergency lighting% s6 D6 G2 ?- w" a# q: H
Explosion-proof
% j4 m/ b' b& A# ?Extra-low-voltage power circuit! L" X- \/ t# l- Y
Feeder
/ G" I5 _+ K9 }& P" @Flexible metal conduit
. e0 v, v x/ A6 N: AGround- s, l8 J/ ~ M, T& `
Ground fault circuit interrupter" [$ j; H6 {/ A# v# L/ r# Q/ _
Grounded {( z K; i3 y) O- Q( A- D
Grounding
9 C' |( x+ F( d1 KGrounding conductor# E p1 L2 ]& N9 t0 |) w
Grounding electrode. K; r2 q0 M/ t
Guarded
& `0 f% d4 b2 ?8 }! T! iHoistway
* O1 O8 Y7 O' e& e; NIdentified; B Y K/ P$ H1 U
Lampholder
/ f" ~ z t! h( M9 \" qLow-voltage protection5 r6 J* u2 ?: m: c8 y7 e
Low-voltage release- f2 j" F/ F" [: X9 I0 t& f
Neutral( V% O g* X' u! X5 r
Noncombustible construction
9 V8 G8 u5 g6 w! j% s* K; W& SOutlet8 @$ D9 |" ~5 |8 z& g
Outline lighting
Q& l' N7 V$ |, B* nOver current device
7 W+ t1 ~) j7 G' Y5 A# bOverload device
9 Y9 p" ^ I" Y/ s# z. |Panel board
/ y7 ~0 D% M. }% cPanelboard, enclosed
1 Z9 e# i* g' @ ~1 nPermanently connected equipment
4 L, n8 O Y6 f* w; |' Y; KPermit
$ X! C) n7 M* o, PPlenum! @4 k4 H, { ^, e
Portable as applied to electrical equipment
: z- e1 X# N) r# wPortable ground fault circuit interrupter
; z2 s3 o5 _4 \6 V! qPower supply cord
+ k% R) s4 K8 ^4 L9 jRaceway( m0 f: n9 H& U
Receptacle
: c4 q/ s# s& R. l Duplex receptacle
/ Z1 g$ H. j% P3 K) W9 f) N Single receptacle5 o9 B- t1 [: L: C% {) [% X# S
Split receptacle
8 e' v0 @7 U/ Y, O- c2 _% W" C, [Service, consumer‘s
' z+ d( J1 G9 Z% w" [* E. rService, supply2 h* g2 z; G6 B& m/ [. r+ F) l0 |
Service box& K- @5 C7 J5 s/ W$ r* P9 G
Service room
, W& T: a L" f3 `6 t- g- G) kSingle-dwelling' V1 `- e* W) b6 ?% c% g
Slow-burning as applied to conductor insulation
' P1 x# p+ F( j8 o2 d3 ?8 N5 OSplitter
0 g6 k7 K7 E/ [7 l7 d! WStarter* q7 l+ E: Q! B! f
Switch+ w9 f% Y' z% y& N. L8 F3 I; t
General-use switch
, b7 J+ q d2 {: K) `6 o Indicating switch( J2 Q9 ]5 G8 v& V G$ M
Isolating switch: Q$ H4 U- J- K# \/ n9 h1 x6 G% v
Motor-circuit switch6 J' i- K: O/ s
System, V( M3 S+ M# b- z) ~0 b2 s: |
Communication system
# H& D5 g: c1 m# b/ q. D# K Community antenna distribution system(CATV)8 Y- }' j h+ g9 ~ @9 a" L
Grounding system, f: R) |4 a9 p
Underfloor raceway
! o" L" J* t* R- _6 I+ V6 eVoltage:3 F! B* q9 S& @. I
Extra-low voltage
0 Z7 c) ^, A4 ^+ a4 P7 i High voltage7 Z" n9 H# r3 x5 O
Low voltage
4 y1 W0 w9 j4 sVoltage of a circuit" W8 }1 M3 m' Q0 C! H; y
Voltage-to-ground# I1 v3 G6 M' b% r% J
Wireway
$ p5 E0 @5 n8 e* t' [4 V0 P7 o1 H2 l) [; R2 [& V8 c d
Section 2 GENERAL RULES' _: q0 w9 @) \1 f* O& v2 }' _
Administrative
5 @; G! b4 S/ c. H5 n* t2-018 Reconnection' l; Q4 \8 }* N! i3 y
2-030 Deviation or Postponement
. w# Q+ h2 n. `7 q9 w9 ]4 VTechnical General. f# z, j2 s% R( M+ V8 X# I
2-106 Circuit Voltage-to-Ground – Dwelling units
( B! V3 B( m& {" S2-114 Soldering Fluxes5 Q6 P2 W8 Q; o, p0 l1 U# S/ A; s% N
2-116 AWG Sizes of conductors
7 k4 {6 h. w& g. a2-124 Fire spread (see Appendices B and G)
$ z2 j: R' w! k- j ~2-126 Flame Spread Requirements for Electrical Wiring and Cables (see Appendices B and G)
5 r4 c* N4 `/ {& N$ qProtection of Persons and Property
0 R) [& \$ _5 I2-202 Guarding of Bare Live Parts. O; ^8 H! ]5 e% P" Q
Maintenance and Operation
/ U3 d1 F" k j" R% N4 e% h+ T, g2-304 Disconnection
; V1 j& \9 M9 M) z j' V2-306 Maintenance of Live Equipment
; a. O4 e: I% r VN 2-306 Shock and flash protection (see Appendix B)
7 @7 g2 v- c3 g; |/ [# r3 ~2-308 Working Space About Electrical Equipment: Table-56
# r' V. N" m. f; V2-310 Entrance to, and Exit from, Working Space
% V- q' d) J: n6 w% @1 S2-320 Drainage
# s9 Y7 [" W+ x3 F' N" i% V2-322 Electrical Equipment near combustible Gas Meters and other Devices
1 H) L( l c, O G* t: YEnclosures
& ^( T/ k, C6 H1 Q1 b/ X( e; o1 z6 N2-400 Enclosures, Type Designations and Use: Table 65, (1)-(c)
( `1 E+ a7 i) K2-404 Marking of Motors: DP, WP, TE. d) ~; I. O# w2 F6 @0 O
$ i( Q5 I: c9 JSection 4 Conductors/ w; s: \0 p2 D# g4 ~6 J6 o6 Z/ I
4-000 Scope1 ? ?& F* c. {* d6 M. w. l
4-002 Size of Conductors: 14#, 12#$ E2 k. [9 w8 P1 M# m8 z
4-004 Ampacity of Wires and Cables: Table 1, 2, 3, 4, 5A, 5B, 5C, 36
$ i: X( C: t3 R6 _* E4-006 Insulated Conductors: Table 19# [+ R3 U$ ? p
4-010 Uses of Flexible Cord: Table 11
3 G1 |4 Y+ U) ^1 z5 Z" g4-012 Sizes of Flexible Cord2 M/ q! g' [- s
4-014 Ampacity of Flexible Cords: Table 124 c" i2 @! `; j& w: D5 z, c' h
4-018 Equipment Wire
' [) Z- a6 q* ~2 @4-020 Insulation of Neutral Conductors
. n$ _& ]1 {- a: i4-022 Size of Neutral conductor5 \- S# U0 U$ J* B" J& t% e
4-024 Common Neutral Conductor
! z( j+ g# u @4-028 Identification of Insulated Neutral Conductors Up to and Including No. 2 AWG Copper or Aluminum3 E1 u3 x: V0 R
4-030 Identification of Insulated Neutral Conductors Larger Than No. 2 AWG Copper or Aluminum [) s4 w- K& q! i# X
4-032 Identification of Type MI Neutral Conductors
/ i. _" q- I# q- P J7 [4-034 Use of Identified Conductors
& i6 B4 L4 }5 |# u9 \4-036 Colour of Conductors: Phase A, B, C, …
5 o4 R6 {1 X1 q$ @7 {' F+ f* _2 Y) O/ n3 J
Section 6 Services and Service Equipment) X w' B5 W O3 h
General) g# U3 @/ y/ c& Q* c; x
6-102 Number of Supply Services Permitted9 ^: Q, j: J; ~) W
6-104 Number of Consumer’s Services Permitted in or on a Building
6 [5 V+ ?3 O2 h3 ?6-108 Supply Service from an Electric Railway System. W3 m! ?; E2 w6 F
6-110 Three-wire Consumer’s Services
* e: q& P. W' F& C. o6-112 Support for the Attachment of Overhead Supply or Consumer’s Service Conductors
4 t; X% I& @8 Z' E' }/ K. x& h6-114 Methods of terminating conductors at consumer’s service
* ]8 w9 [8 `! n" C5 U& ^* L, c9 |6-116 Consumer’s Service Head Location
. j5 O: k1 q I m# L0 e; l P) P" zControl and Protective Equipment
6 b1 X6 f: |% C& L1 ]7 i9 {6-200 Service Equipment
1 V7 z- X% x/ b m! ]6 D2 A6-206 Consumer’s Service Equipment Location (1)(d)(ii), (e)) r2 [& S9 N+ }. ]5 Y5 b! G6 y/ g
6-208 Consumer’s Service Conductors Location
* T6 E; L; d) X0 x6 z J- b6-210 Oil switches and Oil Circuit Breakers Used as Consumer’s Service Switches% G$ D0 b4 P0 W' w9 v
6-212 Wiring Space in Enclosures. {3 x, v/ Y4 ?8 x
6-214 Marking of Service Boxes
, `, E- C5 e) A" I5 v: F- }Wiring Methods
( f& G1 i4 s# r# W0 H: W6-300 Underground Consumer’s Services
2 J0 m h: T* v6-302 Overhead Consumer’s Service Conductors
! B3 U2 B7 b% c8 S# M3 d6-304 Use Mineral-Insulated and Aluminum-Sheathed Cable6 R0 h& k8 j; P2 T
6-306 Consumer’s Service Raceways' H5 g5 J8 W0 B& F0 D2 y, b" H
6-308 Use of Bare Neutral in Consumer’s Service% R3 t+ ?, `/ _1 s K9 P
6-310 Use of Joints in Consumer’s Service Neutral Conductors$ B4 V& _# `5 ~
6-312 Condensation in Consumer’s Service Raceway
+ y! X9 d8 Q- s. I. n# t9 _1 Z' PMetering Equipment
/ D) x* C: l# _0 ]; P6-400 Metering Equipment
9 F" e' L/ c* b8 z7 X- |1 t6-402 Method of Installing Meter Loops2 l" \" n3 t1 U2 @
6-404 Enclosures for Instrument Transformers
7 V5 v) ^) z2 k$ H; ?/ D6-408 Location of Meters& S; w% I& P3 ?+ v6 c5 O/ ?/ p
6 H5 f3 ^: O3 n' N3 RSection 8 Circuit Loading and Demand Factors
* [1 a v! B% T/ a, w: ]& e2 zGeneral& |6 [4 I: E4 F3 U8 J. t
8-100 Current Calculations! Q) b$ U& \: g; I2 K. E' s
8-102 Voltage Drop ( see Appendix D)
; p+ x8 q8 @' D" O8-104 Maximum Circuit Loading
4 e" m% `! ^/ o' V- C3 C& y: [8-108 Number of Branch Circuit Positions
. M( v* Q) f8 L) e" c8-110 Determination of Areas2 n4 u! s; [, U* \3 E
Services and Feeders
# Y' d+ _- j0 }8-200 Single Dwellings (see Appendix B)5 y0 a; e$ @4 V( } x" n: o
8-202 Apartment and Similar Buildings
4 f: j8 w' P1 U% b# ^8 L8-204 Schools V" [% n d/ `* S5 \$ k8 ?
8-206 Hospitals
& N B1 g9 ]( {8-208 Hotels, Motels, Dormitories, and Buildings of Similar Occupancy" [8 ^6 L! Y% H0 }3 F5 z
8-210 Other Types of Occupancy (Table 14)
) ]2 [4 ~. Y: I: {% ?* m8-212 Special Lighting Circuits
1 c7 r+ Q, p& F; [- e4 n$ ~Branch Circuits+ y6 c3 A$ P6 S! E/ j
8-300 Branch Circuits Supplying Electric Ranges
3 Q: o$ T4 u. Y# p$ j, n# {8-302 Connected Loads' c9 W0 B3 E: X5 @3 g2 x$ d
! ?- @, _: v2 ]. p! f, J" C6 d
Section 10 Grounding and Bonding
! ~ t" E4 ~& i E8 ?) t* tScope and Object
7 k, f& T* o' ]5 a8 D0 O10-002 Object
: g) `* o5 L! E! o' B% OSystem and Circuit Grounding
* V! F3 S8 I' _; |1 |( G. S$ N10-102 Two-Wire Direct-Current Systems
# X* ^/ {$ i/ L5 ?, k10-104 Three-Wire Direct-Current Systems* s1 q/ k/ Z+ R2 T
10-106 Alternating-Current Systems
. w" F& |% v1 I4 c10-110 Electric Crane Circuits! A3 ~9 p& Z0 A
10-114 Circuits of Less Than 50 V' j6 C4 k7 @! ?: Y+ o
10-116 Instrument Transformer Circuits6 z9 q }$ c) u- U2 M
Grounding Connections for Systems and Circuits! ] c* T& u1 ~4 v; G) C
10-200 Current Over Grounding and Bonding Conductors
, j3 n) {1 y4 |1 X7 D4 t! _10-204 Grounding Connections for Alternating-Current Systems
, u/ Y& E" i% L& b4 |10-206 Grounding Connections for Isolated Systems/ A% i* N5 e- f- q( I; M
10-210 Conductor to be Grounded
! Q. l/ D9 a' G* ^Conductor Enclosure Bonding2 O5 L, L/ K& D' Y5 I" F1 k
10-302 Other Conductor Enclosures7 O* D' O' w, A+ r- b
N 10-304
3 {: I% U. H* j" b9 f- h! |: hEquipment Bonding4 d- {: J7 [0 A9 {) O
10-400 Fixed Equipment, General) r! K3 D, E. R! v! L+ s
10-402 Fixed Equipment, Specific (3), (4)
- A; V5 ]' S; i8 ]10-404 In Nonmetallic Wiring Systems. Q, }# o. J9 w
10-406 Non-electrical Equipment. z# h4 u0 b! p. i: A
10-408 Portable Equipment (4)(b), v) }# l5 ~7 t4 Z
10-410 Instrument Transformer Cases& p9 V. z, k# r, F7 Y* a
10-412 Cases of Instruments, Meters, and Relays – Operating Voltage 750 V or Less. X- e, V# P' n, \
10-414 Cases of Instruments, Meters, and Relays – Operating Voltage Over 750 V
$ ^$ F: G, l" E/ Z, cMethods of Grounding1 a9 e+ l3 N0 V: [
10-500 Effective grounding (see Appendix B)- j1 T Z2 H- T; e9 H" U0 ~
10-502 Common grounding conductors7 z! J# E7 O& H/ @' {1 n
10-504 Common grounding electrodes8 O* v6 F3 ~9 M* Z
Bonding Methods
$ S) O, Z4 P0 K+ J0 v10-600 Clean Surfaces" F, V" Z* B7 u. M! Y* d* o
10-604 Bonding at Service Equipment
2 K: c4 V" d7 c' C* o. w10-606 Means of Assuring Continuity at Service Equipment
% O5 U% ? U; A) r- W10-610 Bonding at Other Than Service Equipment
9 C7 _9 q4 J- y+ b9 c7 _4 d10-612 Loosely Jointed Metal Raceways$ T+ n5 o- E; m2 M3 F
10-614 Bonding Jumpers Table 415 E8 Z8 }9 O: A+ d
Grounding Electrodes
5 _4 M- o# p% [$ z! o8 g. B10-700 Grounding Electrodes
7 R0 J3 m5 Y; P, Y- F10-702 Artificial Grounding Electrodes
. O$ m6 k% C; x4 O. A; ^8 TN 10-700 & 10-7024 M0 x, r$ l5 R5 _, u* {% r
10-706 Spacing or Bonding Electrical and Lightning Rod Systems (Appendix G)
9 H( c7 E0 H4 t, b+ A( k: |N 10-702, u7 R% u( f: H3 R; _0 W
10-708 Spacing and Bonding of Electrical, Communication, and Community Antenna Distribution System Grounding7 M) {7 N3 X- V, U
N 10-702
- y& ]. R# o8 k, E1 ]- V1 a10-710 Use of Lightning Rods (Appendices B and G)' y" m2 f$ O- O
N 10-706" ~( |1 g( S4 c
Grounding and Bonding Conductors! N1 G/ Q# Y0 F
10-800 Continuity of Grounding and Bonding Conductors
( n$ \' i! l/ u B10-802 Material for System Grounding Conductors
7 |3 \9 t( f, R" a3 Y# v2 |7 P) [5 U10-804 Material for Bonding Conductors8 w. q+ x8 J3 a4 A* [$ T9 X
10-806 Installation of System Grounding Conductors/ Z- i+ c( d: s5 k
10-808 Installation of Equipment Bonding Conductors/ q1 K, z1 C6 E& B3 W; P5 m" B
10-810 Grounding Conductor Size for DC Circuits
" q, f* F8 M$ S+ ^10-812 Grounding Conductor Size for AC Systems (see Appendix B)0 V5 \- F3 I. R+ u/ P g. F, R
10-814 Bonding Conductor Size (Appendix B)
, e( G* f8 I1 J) {10-816 Bonding Conductor Size for Circuits Extended to Portable, Pendant, or Fixed Equipment
5 C( E& c$ B! m" j, E6 c' k10-818 Bonding Conductor for Outline Lighting
* \8 @# m" {6 B1 y/ E: h10-820 Bonding Conductor Size for Instrument Transformers
# N7 N7 ?& X+ C4 x) x: X" @" e8 }Grounding and Bonding Conductor Connections
0 h0 n: q$ C3 r* v10-902 Grounding Conduct Connection to Water Pipe Electrodes
1 [% z( S! h+ I. e10-906 Bonding conductor connection to circuits and equipment& Y9 Y0 ~3 A: {- @
10-908 Grounding Conductor Connection to Electrodes
( o' Q2 z8 a. h+ s% V8 Q% s' D. MLightning Arresters
9 W$ @* s! X& Y: Z" U( ]10-1000 Lightning Arresters on Secondary Services – 750V or Less/ X1 E1 j* K6 G8 a/ W) e; q
& m$ z# H h5 g- G: E6 C
Section 12 – Wiring Methods
$ ]6 n: M& Q: O( w9 mScope
2 }* U d) ~; m5 n' d9 C12-000 Scope (Appendix B)
4 I" m. K9 E: T, Q; N9 DGeneral Requirement9 s/ k' s8 |" p% V# c
12-010 Wiring in Ducts and Plenum Chambers
4 i% U3 C, W: Y3 `( `2 Y- D12-012 Underground Installations (Appendix B)9 g) N& n$ D( \2 t! f& Y
12-016 Lightning Rod Conductors9 |6 {2 `5 g6 y9 k
Conductors - General) M# @8 T% F7 f* M" ^
12-100 Types of Conductors (Appendix B) Table 19& T0 b0 c9 Q& e( v3 F
12-102 Thermoplastic-Insulated Conductors
" b& v y' k- r0 S5 x12-104 Flame Tested Coverings* P# C0 F$ {/ p! }& M
12-106 Multi- and Single- Conductor Cables
& ]+ v$ q# W& K7 Z8 L' L12-108 Conductors in Parallel (Appendix B)
9 `# e$ G" t n12-112 Conductor Joints and Splices- Z0 _$ h1 q6 e. d; D! P
12-114 Ends of insulated conductors9 \3 X& B4 i7 {$ _0 B8 b
12-116 Termination of Conductors (Appendix B)
# z5 f( n/ x& S0 @& s12-118 Termination and Splicing of Aluminum Conductors
4 @; Z0 C6 `/ c8 i) b1 b/ p12-120 Supporting of Conductors - Table 21! {8 z- c6 y. f* n& Y! }6 B
Open Wiring' @6 I, ~, a- Z# v1 c
12-204 Spacing of Conductors
1 }/ p& H! c% J+ s# F$ `: j3 Y$ g12-206 Conductor Supports. H+ R. o7 M7 G' ]& b) p/ X) J
12-208 Conductors on Flat Surfaces0 u9 c- P& Q2 L/ Z0 ^4 ^1 @+ k y
12-212 Protection from Mechanical Injury) b' ~0 O1 O2 K# k6 _+ Z3 Q
Exposed Wiring on Exteriors of buildings and between Buildings on the same Premises
3 O4 J* N7 y4 S12-308 Minimum Size of Overhead Conductors
* b" S6 w/ m0 W; o0 i/ d7 w9 z12-318 Use of Neutral Supported Cables; e/ | _1 C; y- j+ R
Nonmetallic Sheathed Cable: R$ x) D: R) y3 u6 Q- o
12-502 Maximum Voltage
0 e/ i- a( P7 L h2 a. ^+ G12-510 Running of cable between Boxes and Fittings (Appendix G)5 @7 c: M O4 P; h
12-514 Protection on joists and rafters# q2 z$ D# `% G7 N+ y$ ~* ?5 Q. P
12-516 Protection for Cable in Concealed Installations (Appendix G)6 N1 @5 K/ P% O
12-522 Where Outlet Boxes Are Not Required" T6 p3 y! _+ j) R7 M- r; {
Armoured Cable
7 _; m1 z) m8 h1 g; u4 G12-602 Use (Appendix B)
$ D" E' x/ X* ~0 p' q" q12-604 Protection for Armoured Cables in Lanes; Q8 O i# }# o3 s
12-606 Use of Thermoplastic Covered Armoured Cable" _# i" w; S+ w* h# g
12-608 Continuity of Armoured Cable
+ ?7 h' j, y$ x9 ]% w; Y12-610 Terminating Armoured Cable! o# I! J k0 g* h5 G$ W% B5 R
12-612 Proximity to Knob-and-Tube and Nonmetallic Sheathed Cable Systems3 ?, k) J+ F1 d0 x, N; x5 q+ k! J
12-614 Radii of Bends in Armoured Cables) ?9 I4 ~( T3 c
12-616 Concealed Armoured Cable Installation! B; Q5 d, Z9 q
12-618 Running of Cable between Boxes, Etc: s& E& c/ u# Q" }6 H
Mineral-Insulated and Aluminum-Sheathed Cable# f( C( ?& @+ y- ~; w$ r+ a5 m$ I: D
12-702 Use/ |0 F# o% e. s0 {3 x& |. D6 U
12-704 Use When Embedded
, s& Q2 d. x, n9 v" e A5 U12-706 Method of Supporting
/ w! L) F" z# F/ d) z: S- G3 p12-708 Direct Earth Burial: ~/ f* b* ]) `+ E- T
12-710 Mechanical Protection$ {, P6 S& P1 Q" ]
12-712 Radii of Bends' a( C0 m5 L- l
12-714 Termination of Mineral-Insulated Cable (Appendix B)
% S$ L- j% u6 y: ^. c1 H1 O% s$ N12-716 Connection to Other Forms of Wiring/ f0 ~- _5 B" V" v1 Q
Flat Conductor Cable Type FCC8 ^& u9 s* `; o( H8 m1 n; Z
12-804 Use Permitted
: G& O4 Z# O6 H+ W; N0 V* e12-806 Use Prohibited) B7 j2 j8 z0 I% c1 R
12-818 Anchoring6 ~. W5 J" r8 K2 `
12-820 Crossings
3 v _$ \& U/ F/ f9 I; MRaceways - General6 D% s! c1 J, G1 H- i: \7 w
12-904 Conductors in Raceways6 d4 M0 f, s; ]: T' | l: F$ I
12-906 Protection of Conductors at Ends of Raceways# }0 g% o. I8 T
12-908 Inserting Conductors in Raceways
8 \1 S/ D+ [, j2 f: Z- o12-910 Joints or Splices Within Raceways7 K) |; R5 j1 E4 B3 M0 J( k
12-912 Stranding of Conductors
0 \6 D" P L K7 y6 }12-914 Electrical Continuity of Raceways; G! ]. a: {3 ^# ?/ x
12-922 Radii of Bends in Raceways
/ Y0 @* m; |' R) ~; B: J; |9 ]N 12-922 Radii of Bends in Raceways Table 7
$ u) S& h# I8 S% ?, c12-932 Protection for Raceways in Lanes
* r1 t ~5 h3 c( I; a12-936 Raceway Completely Installed Before Conductors are Installed (Appendix B)
; L- W: F- `2 |12-938 Capping of Unused Raceways; S4 d. ]5 Q' q% z5 K
12-940 Maximum Number of Bends in Raceways
( y! z% u% \( p1 g1 u, U$ vRigid and Flexible Metal Conduit/ H6 G. i; C1 ^& c( @
12-1002 Use: V8 C! V$ T" n4 t
12-1004 Minimum Size of Conduits
; j5 M }' I* t+ i- d$ u" X3 S+ j12-1006 Conduit Threads (Appendix B)
' {: r! p$ y8 ^) y12-1008 Thread Engagement
8 |/ G# b! Y. \8 H0 ?" R3 R% |+ f12-1010 Maximum Spacing of Conduit Supports
% o' R7 R3 f8 \% b12-1012 Expansion and Contraction of Conduits (Appendix B)0 `6 W3 s. y o; h$ ` z6 q; f
12-1014 Conductors in Conduit (Appendix B) (4) table 8, table 9, table 10; (5) table 6 7 P/ v: O* `: Q9 R
Rigid PVC Conduit and Rigid HFT Conduit: d8 z+ M9 A! ^, m$ {. m
12-1100 Use/ ^) G$ T9 }/ _( `2 |9 q
12-1102 Restrictions on Use8 o! x8 j$ ^, m, A3 Z6 A0 D
12-1104 Temperature Limitations (Appendix B)
. D; Z$ v5 n2 w4 L% I, U1 J12-1108 Field Bends (Appendix B), (2)3 Z. {+ `$ R! C; @& V& ?2 G1 P
12-1110 Support of Luminaires
* m4 d2 P# L$ p- l( W& {2 I; C12-1112 Fittings# w" Z) r; ^# N: W o/ E' d
12-1114 Maximum Spacing of Conduit Supports
/ `* H7 [# q6 [! t3 T5 J12-1116 Support of Equipment
2 a% `" Q( A7 _% u6 _1 }: U7 g12-1118 Expansion Joints (Appendix B example)
% \9 ~1 }4 X( h0 b: |$ W5 uRigid RTRC Conduit0 d% p; |, `1 p, G* Q1 R6 b
12-1210 Temperature Limitations
7 ^% A" j! ~' d% s8 }12-1214 Expansion Joints (Appendix B)* R! @7 l1 R: ?7 `2 f! x7 R; L0 N
Liquid-Tight Flexible Conduit0 }4 I+ ?) |$ `
12-1302 Use of Liquid-Tight Flexible Conduit" e9 |: Q* K0 O: }
12-1304 Maximum Number of Conductors
; }$ H) `' h5 X12-1306 Provisions for Bonding
; }9 g; Q8 O! E A2 TElectrical Metallic Tubing& F+ e0 ~4 k9 p1 L, @4 }# C: t l' z
12-1402 Use6 |; A8 _( Z* N4 n ?6 P
12-1404 Supports8 Z* ]' c( g( j5 I7 ~
12-1406 Minimum Tubing Size
0 e6 u. |$ _; i# J. j, v+ J& d9 Y; |12-1408 Maximum Number of Conductors3 w; \' X' O* u" E( F: X
12-1410 Connections and Couplings
9 N% Z v2 m$ @, G. N# |: z12-1412 Radii of Bends in Tubing j2 m- P3 N# o6 M
N Table 7
- F0 {9 _6 ~/ z. D1 P2 |Electrical Nonmetallic Tubing
# e$ i* p% ^) v& a* r! R12-1516 Provision for Bonding Continuity" g5 K7 ^4 s5 R" O" u2 H [
N 12-1514, ^0 f$ z# w$ C( M+ L" `0 {. {# J
Surface Raceways
V. m* t( O# u9 ^% {2 [12-1602 Use of Surface Raceway (Appendix B)4 V R' Q* m" T% \* N0 M) P a
12-1604 Temperature Limitations
6 t. f# V i7 U5 C# B0 Y$ s& n12-1606 Conductors in Surface Raceways (Appendix B)
! v4 E7 h7 \- q& Z; ?) D12-1608 Maximum Voltage
% q& t; N+ L/ y7 W12-1610 Joints and splices 6 O$ t! S2 H3 O* A' C
Underfloor Raceways
, o. z8 _2 C8 E3 E' m5 _$ `- X12-1712 Discontinued Outlets in Underfloor Raceways( {% G6 E k% ~
Cellular Floors
) N2 @: ?- }: w2 X' n& T% N12-1804 Maximum Conductor Size in Cellular Floor0 z2 E( p: ~' \& y" m$ S- U
12-1820 Cellular floor discontinued outlets: K; W' @. ~9 O+ ^
Auxiliary Gutters
1 d/ y. z8 k+ U7 k1 Y12-1900 Where Auxiliary Gutters Are Used to Supplement Wiring Spaces# G, ~# `* Y( q h
12-1902 Auxiliary Gutter Supports
% h2 b5 w2 b( B- ` Q/ j, m# q12-1904 Auxiliary Gutter Cross-Sectional Area
! u) F( A `' Z7 ^2 v' @ IBusways and Splitters
8 O) V# I; M( o2 `12-2004 AC Circuits in Busways and Splitters
& U9 A2 q2 G, q0 Q; ~12-2006 Busway and Splitter Supports
0 m _1 Q( E. A! B( ]12-2008 Method of Installation of Busways! F& k- T2 ~* G( B$ t3 {
12-2012 Reduction in Size of Busways
3 l1 X5 ^7 X+ M- L' r' w6 o12-2014 Length of Busways Used as Branch Circuits! {, _. \( `8 A) K3 r
12-2018 Taps in Splitters
9 f4 D2 w/ S' _8 s% o1 WWireways
$ P" s! A" @: L7 z1 Z$ U12-2104 Conductors in Wireways5 b! U2 q+ W* ~+ A q6 V
12-2106 Taps and Splices in Wireways w/ S3 a: L0 g: K4 y
Cable Trays: Y2 I- S0 m5 l; i- X& K" q1 |
12-2200 Method of Installation (Appendix B)& S, o+ T6 T) s9 ?) @, [% m
12-2204 Joints and Splices Within Cable Trays
$ a0 V6 V5 T) E12-2208 Provisions for Bonding% Y" V# v3 i8 p1 p" A
12-2210 Ampacities of Conductors in Cable Trays) O r7 m0 v0 U2 q% j( H7 i3 u; d
Installations of Boxes, Cabinets, Outlets, and Terminal Fittings
1 e, m4 `4 x9 I/ b0 S# H12-3000 Maximum Number of Outlets Per Circuit
, b7 X) k& R" e- FN 8-304/ y! l. X$ `! _5 T2 B, c: D9 r
12-3002 Outlet Boxes (Appendix B)
5 }/ M9 B. U! b5 @' S$ @/ ?N 12-3000
+ `/ W4 N* _. Y) P% l& z {12-3004 Outlet Box Covers
8 s2 I! s# m: z) F2 h, LN 12-3002
! f7 q. `4 E5 z U1 O12-3010 Boxes in Concrete Construction% x! O4 ?6 }1 f" g, W$ y
N 12-3008/ b% i" c" V7 [! I
12-3012 Outlet Box Supports+ D+ B& H8 `1 r& X* M
N 12-3010
2 U$ O3 e* x7 w/ H% z* ?12-3016 Accessibility of Junction Boxes! |7 m5 y5 E: e2 _. L+ [
N 12-3014
4 ~2 y" x4 `- x9 H12-3018 Flush Boxes, cabinets, and Fittings4 @! }$ b+ G# V, \# a
N 12-3016( U& \3 l6 } S- l% Y
12-3024 Entrance of conductors into Boxes, Cabinets, and Fittings (Appendix B) 7 @& P7 D0 u: i; e
N 12-3022
* u; a3 X( o2 G: ?' q2 i12-3036 Maximum Number of conductors in a Box - Table 233 ]; k" b9 T) W8 `7 E. G5 U! W& ?# {
N 12-3034! t, Y* F0 `$ @; \6 j! N
12-3038 Pull Box or Junction box Sizes9 h7 x# @6 Y+ h( ^; S) u
N 12-3036
% B' }" q$ ]5 G2 k! |
/ B6 c1 j+ A& Q- d s# q# k0 ^; cSection 14 Protection and Control
# e8 ~9 Y9 K. P& t$ _9 WGeneral Requirement; J, X0 p- W; E4 h: D4 H9 n
14-010 Protective and Control Devices Required% d' p( f3 a/ e8 {! f* E
14-016 Connection of Devices& ^$ ^! {( \/ h1 j
Protective Devices – General' d2 K1 O5 n0 q" k1 f* O; U
14-100 Overcurrent Devices Required
4 i3 J9 {5 H' L) E3 k% u$ n14-102 Ground Fault Protection (Appendix B)
2 W a: v$ Q4 r) ]$ [14-104 Rating of Overcurrent Devices (Appendix B) Table 13$ i& G/ ^/ A& L; `# ]
14-112 Overcurrent Devices in Parallel
" w& J! r" p/ W4 {' ZFuses
$ \2 v' R q' r( Y* n9 s14-200 Time-Delay and Low-Melting Point Fuses
4 `& n" O" _7 C7 c/ D' t14-202 Use of Plug Fuses) C1 g' h! r, F, r; m5 j
14-208 Rating of Fuses
# i4 p4 E& s) _' `. o14-212 Use of Fuses (Appendix B)
+ n5 B: |; o$ M# d BCircuit Breakers
# J3 E, m- l, W8 V14-300 Circuit Breakers, General
7 o* s5 g0 J5 l2 C: O, H14-306 Tripping Elements for Circuit Breakers: _0 k, |3 Z( m) S, a. Q9 A3 }
14-308 Battery Control Power for Circuit Breakers4 G8 S9 F/ f z9 C7 `/ G. o) [
Control Devices - General
6 v7 l8 h3 S4 q* Y8 v14-402 Disconnecting Means Required for Fused Circuits
7 O- M5 u4 D/ d9 M7 H2 m; h& H( mControl Devices - Switches. A' g+ m0 j6 s" f
14-502 Mounting of knife Switches
, V ^2 ^$ Z% b% F9 V, ^14-504 Maximum Rating of Switches
6 E3 D( {+ q. N5 _' G$ U& f14-508 Rating of General-Use AC/DC Switches (Appendix B)
# d) j2 O+ y6 R1 K14-512 Manually Operated General-Use 347V AC Switches (Appendix B)5 k. f# ^1 y% ~" |3 q8 `- [( L: E6 U. Q
Solid State Devices
. H- u8 F, o: h1 |! E1 N14-700 Restriction of Use
5 O7 Y+ F+ A7 [8 [14-702 Disconnecting Means Required- I/ N3 d8 }1 ^, y& W
7 X1 P( W& B t* ~/ wSection 16 Class 1 and Class 2 Circuits
# B* Z! h$ k JGeneral2 Z5 P; E# ~8 m7 y9 g/ L' V2 M
16-004 Class 1 Extra-Low-Voltage Power Circuits4 \5 \8 F' [0 ^( X4 o
16-006 Class 2 Low-Energy Power Circuits1 J8 p2 J3 ?+ q& s" d3 h) C1 A
16-012 Circuits in Communication Cables
- B2 O& x' o5 i/ q. I# eClass 1 Circuits
( \. t$ T4 U$ a4 Q: @: Z' Z16-100 Limitation of Class 1 Circuits
* I- b- u8 t1 T16-104 Overcurrent Protection of Class 1 Circuits- Q0 N% ? j- c* c n
16-106 Location of Overcurrent Devices in Class 1 Circuits
' _) T% H- ^3 r% w; k16-108 Class 1 Extra-Low-Voltage Power Circuit Sources Including Transformers
8 @3 S8 v, e% S; {7 H16-110 Conductor Material and Sizes: v$ H) b% s* ?3 J! U
16-112 Insulated Conductors for Class 1 Wiring
/ O! `2 _2 N# V$ I* G) e# m. IClass 2 Circuits6 }) V. s" n% I
16-200 Limitations of Class 2 Circuits (Appendix B)4 s6 ?5 T( A1 s; U2 B' ?
16-204 Marking
+ P5 U; V) I+ S& P6 I16-206 Overcurrent Protection for Class 2 Circuits
* h' Z. [ L6 f4 u" ?9 H! h) U16-210 Conductors for Class 2 Circuit Wiring (Appendix B)
$ [- o5 H7 [3 W+ l+ tELC: extra-low-voltage cable
; W+ Z1 p) ?4 m) S) ?1 W2 H16-212 Separation of Class 2 Circuit Conductors from Other Circuits# s1 c3 Z: @. Y4 F! O
" T7 a# S- c# G+ m/ Y+ ~Section 18 Hazardous Locations9 f8 m4 p+ P0 {
Scope and Introduction9 T. C1 o# H+ A; n
18-004 Classification
$ G: b! w* D! C2 Q7 k18-006 Division of Class I Locations (Appendices B and J); i9 z% o5 N* o
18-008 Division of Class II Locations (Appendix B)# b: d+ I. a2 A5 L0 a" c& ~1 j
18-010 Division of Class III Locations (Appendix B)5 k: ]) @4 E( f: q; N
General
% K: s* \; V* R* S% [18-062 Metal-Covered Cable (Appendix B)
& Y# a, e. P Q- Z/ S+ |Installations in Class 1, Zone 1 Location
: e, B7 K6 `8 x5 X1 ^6 r6 i7 R18-108 Sealing, Class I, Zone I (Appendix B)
# D( g8 _ w/ |' x- H1 i+ c
. T% c9 O, k/ t4 E7 F' c6 j' |; ~# jSection 20 Flammable Liquid and Gas Dispensing and Service Stations, Garages, Bulk Storage Plants, Finishing Processes, and Aircraft Hangars% K2 t& L0 N1 C, h2 g' t$ J3 f
Gasoline Dispensing and Service Stations9 Z# e! L: ]9 p6 j6 K1 A
20-002 General
" e! ~$ s, h/ t% v; |) W20-004 Hazardous Area (Appendix B)# p9 i; u \+ u, {+ B6 V
Propane Dispensing, Container Filling, and Storage, Q% r1 b. |- O# B# K
20-034 Hazardous Areas - Table 63
" ~( B9 K# R( \3 @6 m6 xCompressed Natural Gas Refuelling Stations and Compressor and Storage Facilities! s/ `; D% ^' o; B3 F2 E% r2 E
20-062 Hazardous Areas
* m( J6 A1 i2 YCommercial Garages – Repairs and Storage+ |& d/ S7 }8 L" m J6 q# x [
20-100 Scope
3 d1 T8 ?- G' b+ n20-102 Hazardous Areas (1) - W' v9 v6 q5 f5 S$ r4 T) J$ {
9 Y& G* y2 _! O7 |" s
Section 24 Patient Care Areas* {* b( W. M4 C! z, l
24-000 Scope (Appendix B)% T/ e2 ?/ m( P* l$ m* |
24-002 Special Terminology (Appendix B)# y% b" g8 X6 H% i2 e+ P1 h4 Q' [
Patient care area8 a% U. i b/ v7 R
Patient Care Areas
4 V) [7 S9 i9 H24-106 Receptacles in Basic Care Areas (Appendix B)& ^9 ?1 x) V- G2 B8 O, P: @6 b
Isolated Systems
% c1 N, U6 u# O24-204 Single-Phase Isolated Circuits (Appendix B)& q' f3 d/ b2 p8 ]! P
24-206
- b& V1 g( q8 i% P6 z8 @, t' `* Q% K9 U+ v: y9 t5 y
Section 26 Installation of Electrical Equipment
h7 B1 }4 s! |General
! \# q9 h: T h$ P' L$ n O* Y26-004 Equipment Over Combustible Surfaces (Appendix B)$ x4 b* s, w) y: Q4 W
26-012 Dielectric Liquid-Filled Equipment, Indoors (Appendices B and G)
' I( H% e+ Q4 O. m1 ]: \: b Isolating Switches6 F* k& F; n7 i3 ^! L; G
26-100 Location of Isolating Switches+ H% @# H$ X7 Z5 P+ }; ^
Capacitors6 H. y& h3 m: a+ `3 D& O/ M0 y5 b% p0 y
26-204 Guarding of Capacitors; g9 \, `4 \1 z% t, x; L6 l- q
26-206 Grounding of Capacitors& O$ I" C; V5 {+ J2 W: k; [& ?% V
26-208 Conductor Size for Capacitors# ]! L+ k6 c3 ~! A0 g
26-210 Overcurrent Protection (Appendix B)- w( K. t2 m* w7 o+ q4 f" Q# s
26-212 Disconnecting Means for Capacitor Feeders or Branch Circuits
) m, a) h% l, |! ^4 [26-214 Rating of the Disconnecting Means for Capacitor Feeders or Branch Circuits2 n( i4 H2 y& v0 m/ v, u a
26-216 Rating of Contactors for Capacitor Feeders or Branch Circuits
, E& U" R+ x! d4 R8 j5 ^0 e0 `26-218 Special Provisions for Motor Circuit Capacitors
- M6 o, E2 R) O; V* i, Z0 X) l26-222 Drainage of Stored Charge of Capacitors
6 i& A9 x' H$ L$ R, `0 S! s7 TTransformers% h9 f: }0 @. l0 r+ h; S& |/ G5 ^' D
26-240 Transformers, General
6 b% |' `3 [* L) n% m j26-242 Outdoor Transformer Installations1 M# r/ H3 N$ D P, ?" A: V
26-244 Transformers, Mounted on Roofs (Appendix B)
$ p/ T* O# ?( j" w! w7 l26-246 Dielectric Liquid-Filled Transformers Indoors (Appendix B)
2 c3 S0 J5 Q4 {3 G, ?7 d26-248 Dry-Core, Open-Ventilated Type Transformers
, o1 R: f9 Y% C5 M$ W( d* q6 T26-250 Disconnecting Means for Transformers! C8 @- ^% O3 p3 @
26-252 Overcurrent Protection for Power and Distribution Transformers Rated Over 750V ~! l2 `9 s8 f7 O5 g6 M# k$ H
26-254 Overcurrent Protection for Power and Distribution Transformers Rated 750V or Less, Other than Dry Type Transformers
2 S! m% D0 N2 \. D7 M: E26-256 Overcurrent Protection for Dry-Type Transformers Rated 750V or Less (Appendix B)
- h& Q" l( W: h) t) A& l! K6 e26-258 Conductor Size for Transformers% }# }8 L: S7 u) K
26-260 Overcurrent Protection of Instrument Voltage Transformers (Appendix B)
0 D& a2 i0 a, q! o' X+ A% ]26-262 Marking of Transformers0 q* `8 T7 `: o4 O
26-264 Auto-Transformers& i- V) F q+ ?7 E1 e3 k
Fences0 O' _# H/ b! N3 b. f1 d
26-302 Clearance of Equipment - Table 334 Y X X. A' r6 ^ V
Panelboards
( D: \ J# Y# t, J; Z. K; w26-400 Panelboards in Dwelling Units (Appendix B)5 y6 p; W& ^) q
26-402 Location of Panelboards (Appendix G)
# M( b( N8 P- ?1 jLightning Arresters m, [( e; M. u# H Y, s- n
26-508 Connection of Lightning Arresters/ g$ w# T) {6 {* e( W
Storage Batteries
& m' I5 ^; I- T" m# D+ [! t26-542 Special Terminology
' n/ F3 V+ i4 H0 Z% Q26-550 Battery Installation. V. G4 G7 d& W: N7 p# H5 m: p
26-552 Wiring to Batteries5 N7 Y- [& ^+ o& j8 j) p
Arc Lamps$ K& k* p, H. o1 Q) j$ q
26-600 Location of Arc Lamps
4 Y( J& Y+ y' o1 m2 `+ ? z) n! J26-602 Conductors to Arc Lamps- [) Z' B. H- C# ~4 \9 z
26-608 Globes and Spark Arresters7 {. U B) c8 d, a& d5 |1 `
Receptacles7 X) Z- v6 D' T5 y% e6 Y; }
26-700 General (Appendix B)
. S! r4 E, G, j5 x9 R* Z26-702 Receptacles Exposed to the Weather: t& h2 r2 }, u: I5 j( c0 X( h
Receptacles in Residential Occupancies
( z8 a; u6 }% h- r% [- y/ ]26-710 General (Appendices B and G)
* n2 P) ~0 x8 G/ z& r26-712 Receptacles in Dwelling Units (Appendices B and G)
! u2 N6 \" n( F9 y26-714 Receptacles in Single Dwellings (Appendices B and G)
" t/ q" `9 p% q$ s) [Branch Circuits in Residential Occupancies4 {4 g A+ r( X' E C6 G
26-720 General, V, E, x( W/ N2 I
26-722 Branch Circuits in Dwelling Units0 a5 Q$ K8 ?& w/ [4 p
26-724 Branch Circuits in Single Dwellings. Y( p: @) h( B" Z9 a+ b4 _
26-726 Alternative to Split Receptacles and Multi-Wire Branch Circuits in Kitchens (Appendix B)( ^$ V# x a5 Y0 t! S
N 26-720 (F): X9 U& W+ m# ]; F
Electric Heating and Cooking Appliances
' Q6 @" t, e. Q; W1 n26-744 Supply connections for Appliances9 Q1 ?! A" C/ Q9 I, O8 D3 U
26-750 Installation of Storage-Tank Water Heaters, W9 B1 p% `, L6 s5 V" v
26-752 Infrared Drying Lamps
1 y$ n" c( R7 s( S5 D2 Y3 O0 N' q; G: a
Section 28 Motors and Generators
+ U( y f4 ^7 g. q& C1 gGeneral
. U3 R3 l. o1 {8 _. ?7 V3 ?28-010 Special Terminology
- }% K1 T& e5 @$ o! H1 j" NHermetic refrigerant motor compressor( k5 F" ^' G1 k
Locked rotor current rating
/ i1 d$ c5 e$ d L( {. WService Factor
m0 E$ T6 ]! rTable 44; Table 45; Table-D2
4 k; y, {1 y; J2 E! l qWiring Methods and Conductors
8 n. Z* d1 ]/ [ A/ G28-102 Portable Motors& d) M8 \# n* x- \5 C' N4 B" j: S" w
28-104 Motor Supply Conductor Insulation Temperature Rating and Ampacity. L" i' ~$ f- @. P: X4 Q) I
28-106 Conductors, Individual Motors
! G- A) Y3 U! j! q28-108 Conductors, Two or More Motors% W( X& R( q1 r( O/ p7 t
28-110 Feeder Conductors' i4 |* g1 C# e9 W
28-112 Secondary Conductors
6 ~! j3 v( t; oOvercurrent Protection
' F+ P) q T# b/ S) [% m28-200 Branch Circuit Overcurrent Protection! |, P/ B: y! j% [, H+ ]; l( L
28-204 Feeder Overcurrent Protection" T3 I2 M i8 O) k* f0 ~
28-206 Grouping of Motors on a Single Branch Circuit4 |$ K! ] G" ^, a7 Y
28-210 Instantaneous-Trip Circuit Breakers (Appendix B), c4 y3 |2 k8 S/ ~+ a8 e" Q; N8 C- \
Overload and Overheating Protection
7 W4 P5 o4 L! e2 P28-302 Types of Overload Protection% h6 x" [0 \( _, n
28-304 Number and Location of Overload Devices (Appendix B) Table 252 }6 w6 C6 [" n
28-306 Rating or Trip Selection of Overload Devices (Appendix B)* |0 T0 U( y, ^
28-308 Overload Protection Not Required8 Z" `& U+ p2 a; ^
Undervoltage Protection
2 k! G+ n1 s3 y' i8 Y. U28-400 Undervoltage Protection Required for Motors (Appendix B)
% A- E% I5 q, i1 a4 jControl5 m. j. N3 S s
28-500 Control Required" p9 h4 s4 c! I& w& a" u8 Q
28-502 Control Location: N% \) K. u4 p& o* S: }( y
28-504 Starters Having Different Starting and Running Position3 E* U! j% J2 B3 B) g9 e% b1 `
28-506 Grounded Control Circuit
6 t0 p0 q# d& L% |Disconnecting Means
) S6 T. ~2 e2 ?0 y28-600 Disconnecting Means Required9 \9 V9 D2 f% J- h7 t% L; [
28-602 Types and Ratings of disconnecting Means (Appendix B)
4 k9 v) E! m; A; a- v( f% F28-604 Location of Disconnecting Means6 c" n7 l/ D2 D1 a5 Q
Hermetic Refrigerant Motor-Compressors
% s1 r" @5 n+ s' }28-706 Conductor Ampacity
0 {" k) e4 P5 A ^! E5 B3 j28-708 Overcurrent Protection
# |+ I2 n" r2 A( D( E28-714 Disconnecting Means
! P. E* }: W8 e7 \2 C; ]! r; v( HProtection and Control of Generators
4 h" }- Q1 G! ^& }28-900 Disconnecting Means Required for Generators! n9 S. X" N* l5 x, j7 a' Q+ @
28-902 Protection of Constant-Voltage Generators4 R: r% n \5 M; O
28-904 Generator Not Driven by Electricity
, h* q( l7 |& U) ~28-906 Balancer sets/ v* G- D# ~" {% s8 [% N- h* r
28-908 Three-Wire Direct-Current Generators. { F' n: F2 ]% f
' z' f, x+ ~0 P3 USection 30 Installation of Lighting Equipment' z7 H N& M. k/ c) P' d- N/ _9 z
30-002 Special Terminology (Appendix B)) n# m3 W# N4 T) b) j7 H# |
General
( Y/ U6 s" z" |2 S; W! K u# V$ R30-102 Voltage9 e& ^+ L9 t; n6 l W7 E& q
30-104 Protection (Appendix B)
, S- D- o7 T9 F7 U30-106 Overcurrent Protection of High-Intensity Discharge Lighting Equipment# {+ }5 P9 t8 ?' m
30-108 Polarization of Luminaires
! C! o2 ]! D! _" V30-110 Bonding of Lighting Equipment
2 v2 ]0 F3 h$ ULocation of Lighting Equipment0 S( b* e6 f* C! L" u# f
30-200 Near or Over Combustible Material3 t: t6 m" _/ L+ D
30-202 In Show Windows( d* p9 f, {7 M2 p' E4 h3 B
30-204 In Clothes Closets- w( Y% T; ^) V$ L
Installation of Lighting Equipment: p, U" j3 @: N1 F! q; x
30-302 Support
5 {/ F; z8 ~% E30-304 Outlet Boxes to be Covered' Z: j8 o# \0 M# A' T
30-308 Circuit Connections
$ B) x s1 v" a8 v1 a9 J2 D/ v8 M30-310 Luminaire as a Raceway
, K$ I, E5 ]$ U9 z30-314 Minimum Height of Low Luminaires
2 U0 K3 s- H# p, u. J5 \30-316 Luminaires Exposed to Flying Objects) H: r; P# F. m, Y s
30-320 Luminaires in Damp or Wet Locations$ r$ z& [% t6 S/ `; S2 g
N 30-318
* k* N. @9 T5 B8 o D6 ]$ Y7 MWiring of Lighting Equipment
7 F& l8 Y" T& w0 j# w30-400 Wiring of Luminaires
6 \' W$ O u6 _1 I6 c& [30-402 Colour Coding$ F8 Y$ z- A r) r
30-404 Conductor Insulation/ F5 k) y! Z% G3 H& i+ }6 a
30-406 Conductors on Movable Parts4 @: g- c& f3 A
30-408 Wiring of Ceiling Outlet Boxes; a+ k/ a$ {$ Z8 b8 m- a: P
30-410 Wiring of Show Window Luminaires
4 r! p, j# W' z' z30-412 Tap Connection Conductors) k1 d- l9 ]2 P
Luminaires in buildings of Residential Occupancy) J$ Y$ x6 ]* z4 O" @0 r
30-500 Lighting Equipment at Entrances (Appendix G)4 ]# L! |2 `" p) I2 y3 e4 X' L
30-502 Luminaires in Dwelling Units (Appendix G)
3 r" X& k/ f% [5 A$ v9 J+ e30-504 Stairways (Appendix G)( z; z$ J/ l9 z, n$ l, A# u0 x( I) P
30-506 Basements (Appendix G)
2 Q+ l0 M/ B4 B, m; B30-508 Storage Rooms (Appendix G)9 X0 G; p3 ~ \3 r
30-510 Garages and Carports (Appendix G)) ~$ o! Z* |- c: x# ~
Lampholders3 P; D0 `) a! ?+ {# m+ h
30-600 Lampholder rating with Incandescent Lamps/ M. C3 k( l9 x- d( r# ~/ z$ ?* e
N CANCEL# a" X% l* N7 k4 @7 S0 }
30-602 Connections to Lampholders" t0 G6 Y$ c2 z1 Z% f
N 30-600
5 F( v+ Q0 b* C7 G. b# K30-604 Switched Lampholders Used on Unidentified Circuits
! d) s% f7 \# R F! u& Q5 m; G6 VN 30-602: Z& Z/ z4 E' r9 B
30-606 Switched Lampholders with Pull-Type Mechanisms; e8 p* J9 H3 r3 \
N 30-604
/ M3 W1 C! ^1 X" r* |' U/ `/ p30-610 Pendant Lampholders
0 W/ O4 k+ q" x6 w! C8 i: N8 xN 30-608
+ L F" u1 C& N, ]Electric-Discharge Lighting Systems Operating at 1000V or Less# K3 t- G" p1 w& E3 z( ^
30-710 Control (Appendix B)6 t! Z$ `, O( U7 O% Y0 ?' O- e1 i
30-712 Branch Circuit Capacity7 I# z, [: d! M C
Electric-Discharge Lighting Systems Operating at More Than 1000V
0 O0 n8 P$ E7 U" |9 q5 S& ~3 K30-802 Voltages, Dwelling Units. F# z j, |8 B
30-804 control (Appendix B) w( l1 m2 T- P) g% N. Z5 o( X
Recessed Luminaires (Appendix G), M; G C* R4 u4 V# B' `% m
30-902 Spacings for Non-IC Type Luminaires
% G: Y% A* ^2 ?0 E30-910 Wiring of Recessed Luminaires (Appendix B)9 J) v% q' [5 s9 o
Exposed Wiring for Permanent Outdoor Lighting" M3 M$ a$ w" p' y+ w5 d3 T
30-1120 Branch Circuit Loading and Protection
{7 E2 [; ^& ]7 a% gExtra-Low-Voltage Lighting Systems3 I# a( f6 n) O" I
30-1202 Sources of Supply
: F9 a1 Q2 d) H2 G) _
* r) h) Z3 g" D# _7 V3 J7 ?Section 32 Fire Alarm Systems and Fire Pumps (Appendix G)
) X4 z; I+ d7 _8 n/ R" @. fFire Alarm Systems
( q+ d! ]" Y) N1 ], ?+ J |32-100 Conductors. r3 C" A7 \7 d, @
32-102 Wiring Method
7 K9 d/ {7 X# j- q6 B7 g32-104 Equipment Bonding9 R" [& t3 I3 b& \1 K. A
32-106 Electrical Supervision& m; s, y0 i% R: m! U' T
32-108 Current Supply
' m2 u2 u7 P6 q$ I4 a32-110 Installation of Smoke Alarm Devices in Dwelling Units (Appendices B and G)
+ A; t* N9 h: DFire Pumps4 o* B) v2 W, X2 G
32-208 Overcurrent Protection (Appendix B)* n5 B/ |3 G2 d5 y3 P" F5 |
N 32-206
9 A1 e5 p0 v4 O) r2 e. Y2 d32-210 Overload and Overheating Protection (Appendix B)" T- } a) `# G1 ~* b
32-212 Ground Fault Circuit Interrupter (Appendix B)
3 r) m) \6 k; ^) C8 ?0 @0 I% M1 t$ s* t0 D" d
Section 36 High-Voltage Installations4 M" |2 N0 R3 x% J; [# h$ P
General
) y6 }1 X% a0 n" h36-000 Scope (Appendix B)
! u& P7 e. q. _( o36-006 Warning Notices
- g5 w/ Y4 G2 F {, zWiring Methods: x& Y0 M/ p# c/ G4 j( g o
36-102 Radii of Bends3 H. F: { A$ e5 d; k8 ]- F
36-104 Shielding of thermoset insulated conductors
: w/ b- A4 G0 s, y/ ]2 ]% v36-108 Spacing of Exposed Conductors (1) table 30, table 31$ O5 m1 R& J5 F% N. z& q
36-110 Guarding of Live Parts and Exposed Conductors - Table 32, table 33, table 34
, K2 }& d6 Q9 ?* K/ m* S9 ]Control and Protective Equipment
' X2 L B. `3 u0 B36-214 Disconnecting Means
0 |5 N' G" s; s- l, q8 g Grounding and Bonding
% x( r; |/ [+ r( G; _5 k" q36-300 Material and minimum size of grounding conductor and ground grid conductor and connections
8 l5 Q3 t" y* w: K# }3 r36-302 Station Ground Electrode (Appendix B)
' }1 X4 i% f* m E, x/ q36-304 Station Ground Resistance (Appendix B)% t' ~# O2 D1 W. r9 T
36-308 Connections to the Station Ground Electrode (Appendix B)- @7 [& q9 P/ E( T& I( R" t) `& J
36-310 Gang-Operated Switch Handle Grounds& F! _& S# q1 v- v+ K* M# Z# [ ~
36-312 Grounding of Metallic Fence Enclosures of Outdoor Stations2 _7 z0 h9 m- l0 b
4 O( i/ u% b: m
Section 38 Elevators, Dumbwaiters, Material Lifts, Escalators, Moving Walks, Lifts for Persons with Physical Disabilities, and Similar Equipment9 y+ C4 F% G, d+ F
38-002 Special Terminology (Appendix B)- t6 z6 T6 `0 D6 p$ U" y0 R9 o) w
38-003 Voltage Limitations (Appendix B)
5 P9 b1 H0 x9 R s" @8 t g38-004 Live Parts Enclosed Q$ I8 n) i' D) X
38-005 Working Clearances
y: ]1 \, h0 L: o( Z) a% A38-011 Insulation and Types of Conductors3 N" U5 a7 J* {3 H" \+ m
38-012 Minimum Size of Conductors; v. M7 v! G+ p) n+ u' [ N
; A$ a( i' u/ e0 Y
Section 40 Electric Cranes and Hoists
+ |; ^. p! I* e% J40-008 Disconnecting Means
6 Y7 I. h/ }. v2 \3 {7 B40-010 Main Contact Conductors) n" Q' C0 i. X
5 e/ n. p6 W( ~8 G: o+ A% P% V
Section 42 Electric Welders
; P. ^& L+ i: ?$ T U9 k( rTransformer Arc Welders
4 Q* w6 {1 m- x* M& W# F0 Z6 M42-006 Supply Conductors
, l' _, ]. n' @( h
' A$ e8 q/ g kSection 44: Theatre Installations
o. \+ X% E5 }, o& P+ U' ]6 _General
4 f! [% I$ E3 x44-104 Number of Conductors in Raceways
/ c/ i$ R: D9 n! r+ C44-106 Aisle Lights in Moving Picture Theatres4 s" V) H# _0 B; R
Fixed Stage Switchboards
% u4 L9 D( ?" W; \9 v3 B4 _44-210 Overcurrent Protection& x( [$ K+ }) [" v4 G3 J8 c
Fixed Stage Equipment
9 e/ P1 @' J" ^8 _9 s# x44-324 Receptacles in Gallery Pockets9 n# {" L% j" z7 F7 v4 y e/ X
44-326 Receptacles and Plugs
& K' o6 W& f% p) H& j2 F* y
* \" L* F: T4 ? t& wSection 46 Emergency Systems, Unit Equipment, and Exit Signs/ X6 k0 Q, {( D8 D$ B. Y: [/ Y
General
$ J8 n& J# w, C% Y, ^. i46-102 Instructions1 P& ] g& Y% H' i# _# c
46-108 Method of Wiring (Appendices B and G)
; z3 x# t& Q( o+ `% _, WEmergency Systems
# A+ n- c" F; h, O) V46-202 Supply (Appendix G): k1 Q7 B$ n% B) Z
46-204 Control, i' E- }* s/ a4 g6 x
46-206 Overcurrent Protection
5 O s2 U) D# U9 R6 U! [46-210 Remote Lamps
2 v' \& z8 Y% [* ~3 d2 o9 u, e5 OUnit Equipment* T7 }# O+ z8 O: D# o+ H5 T
46-304 Supply Connections
: F$ E) X+ U3 D: t" ^ w6 f6 r, b46-306 Remote Lamps (Appendix B); s' j, A8 X) R2 V9 J3 g0 V, a
Exit Signs
/ C( j4 _: ^; I46-400 Exit Signs (Appendix B and G)
, I; b) G5 |' \) F9 u4 M3 L/ c4 Z& [$ Q( K! a
Section 54 Community Antenna Distribution and Radio and Television Installations1 v; m+ _! o6 l4 h v& F4 S
54-000 Scope8 E/ G7 v! x5 e: F* l8 j3 p, @
54-004 Community Antenna Distribution (Appendix B)
( x: n4 V7 o5 L5 E+ B7 ^Community Antenna distribution/ ^! @) ]4 V8 `
54-100 Conductors. K7 s( n. z( _" G; x' d
54-102 Voltage and Current Limitations (Appendix B)8 |' {3 X3 t8 y7 `( ]
Protection
" b' s- J+ Y1 M3 l- T: U3 a54-200 Grounding of Outer Conductive Shield of a Coaxial Cable (Appendix B)
5 f; s& e* ^& J! [# p5 d& ]Grounding
2 m6 h8 F/ Y- G9 k' N; z54-300 Grounding Conductor* c! N6 s% t H$ f1 ]" @2 Y( e
Conductors Within Buildings; }/ V9 T/ Z$ @5 g$ D" G) X
54-400 Separation from Other Conductors
0 B5 m& B& _9 v* Y3 }: w" | OEquipment
! |; e# R) h2 W+ y54-500 Community Antenna Distribution Amplifiers and Other Power Sources0 n5 r& n/ g& C* n
54-502 Exposed Equipment and Terminations8 y4 \+ e6 g- m
, ?& ]+ C: o/ I/ r5 bSection 56 Optical Fiber Cables
' O' T. K9 X: h- K" W) I% @8 xGeneral
! e/ ]$ C* L) m3 F: ~& E* S; n$ L56-100 Special Terminology; a, W/ z* O0 y% H6 g
56-102 Types; E0 E. I) h, K( O& X9 G( u
Installation Methods9 r9 E; Q2 V2 M' C0 q. R7 S) p
56-200 Nonconductive Optical Fiber Cables (Appendix B)) m1 N6 A* H: q t6 q: V# g' E
56-202 Conductive Optical Fiber Cables (Appendix B)
. N- D$ W/ ^" C F+ a0 J( i& x56-204 Hybrid Cables* a1 ` C# S& A/ X0 W; _7 T7 Y
56-208 Optical Fiber Cables in a Vertical Shaft (Appendix B)! e. E1 k1 l* @& w! L8 D* w
+ T5 T3 l) h1 O) lSection 60 Electrical Communication Systems9 l# T1 P. o5 d
General
( n2 N( X, y, T7 y# {60-100 Special Terminology
$ T! P. S0 B; [: J$ D6 v) {- Q4 RProtection7 n! T3 z4 Q' I9 S
60-202 Primary Protector Requirements: M- \. M) R+ {: C1 N3 n( S
Inside Conductors
u+ x* P$ | N/ |7 t, S8 b+ I* l( n60-308 Separation from Other Conductors0 Q; p0 L. s: D ]* N8 U
Equipment
+ y( {- Y& v* q( G# a/ h4 ~60-404 Exposed Equipment and Terminations2 [" d0 x2 S; }' D) r
Underground Circuits
* u1 z8 c* L' |+ V" }$ n60-600 Direct Buried Systems
* b2 v8 w6 x3 V5 v5 D
6 Q8 r' j' Z' pSection 62 Fixed Electric Space and Surface Heating Systems% o& e' D" P z* P& @$ T! l
General
" L( D0 h3 V. {' U62-102 Special Terminology
5 B* F& L' d$ q4 J62-108 Branch Circuits ~+ b7 M8 x s# P/ h
62-110 Installation of Fixtures. m; }2 Q' w9 n+ ?2 q8 l% W
62-114 Overcurrent Protection and Grouping (Appendix B) (5)
/ A# q, _4 Q- D8 [& D. U62-116 Demand Factors for Service Conductors and Feeders (2)
, I: j- u0 R. q$ C/ a/ |2 ^- s! b) y62-118 Temperature Control Devices
( m' @* u7 K, h6 ]5 V1 y6 o62-122 Installation of Series Heating Cable Sets (4)(7)( d" V5 V) ^& P5 b( F0 I: t( f
Electric Space Heating Systems
$ j. L' t' U9 D. h# X+ E62-202 Temperature Control
# B' X7 d& ~ }; z2 @: w62-206 Proximity of Other Wiring (Appendix B)
% o8 Q( E: j0 {' z; h5 h62-214 Installation of Heating Panels and Heating Panel Sets
$ X5 g: ]2 z. H; _62-218 Series Heating Cable Sets in Cement or Plaster Ceilings
" V# g. ?7 G1 M* g62-226 Installation of Under-Floor Covering Heating Panel Sets. ]# b# A. o) n; h9 ~& o
Electric Surface Heating Systems
- j. O" I6 s- { @. s# r! s62-306 Heating Cables and Heating Panels Installed Below the Heated Surface: }( h; X- Y& X/ D+ ]( N
, x/ X6 u7 C' t* Z) R- R5 gSection 68 Pools, Tubs, and Spas
( n1 S4 ^( v0 I' G( `' U* tGeneral
% T8 l9 ~9 u; `/ _68-050 Special Terminology
6 e3 e9 w) w' G0 g2 L68-056 Underground Wiring - Table 614 s1 E2 H5 t- M, |/ Q g: [
68-058 Bonding to Ground (Appendix B)
" d" Y2 }* ?: f68-060 Junction and Deck Boxes (Appendix B). C8 a0 Q! K8 N+ }8 t, S" [$ }# w- N
68-064 Receptacles5 W* g! |$ q/ z$ \
68-066 Luminaires and Lighting Equipment
% \' @$ I& Q# b Y+ K- r68-068 Ground Fault Circuit Interrupters (Appendix B)
# a. ^& W( A% J; q* o, s0 n7 N P; _# [
Section 70 — Electrical requirements for factory-built relocatable structures and
; w+ w. l3 \, c: }5 Y" r+ A& pnon-relocatable structures
9 M. f9 r# a! d4 Y6 H. _7 l" n0 F0 p70-130 Tests (see Appendix B); j! |& K1 ]0 @, {5 N
9 C9 M0 S& V( s9 x5 g7 U& \Section 76 Temporary Wiring (Appendix G)
4 q: w: n" j! @# p$ t6 b76-004 Grounding
! u& C8 }- A3 ~4 n: ?76-008 Service Entrance Equipment) P7 H# I a; o, ]8 ~
N 76-006( v" F) E: p4 J
76-014 Branch Circuits3 E, P# k2 E- D M+ _# O5 e$ ~" L
N 76-0129 i, @3 E8 z& t- V p
+ O9 O2 Z! U: `8 H6 u9 q
Section 78 Marinas, Yacht Clubs, Marine Wharves, Structures, and Fishing Harbours& H3 u! Y- e; u! R
Marinas and Yacht Clubs9 ]* y4 U' H. o8 e# ~
78-052 Receptacles
7 E4 \: z+ I. C5 b0 v3 W$ L9 b( s78-056 Feeders and Services% X B6 ?2 R$ R- E$ r5 x1 e* U3 {
Marine Wharves, Structures, and Fishing Harbours
3 @+ o1 d6 ?7 F9 r' ]- \78-106 Grounding and Bonding( w9 r, k2 k" F) e, ^
Tables! S& b/ \/ |- s( h! j
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! A! n. E1 q) Q+ U6 v
: x5 a+ [' K7 KDiagrams: 1, 2, 7
) H/ c1 v% U+ c5 K* a- O W& ^ X- F7 b# ^
Appendix B
# z9 n+ O g PP352: Ground fault circuit interrupter- 6mA
+ A7 F( C( l mP354: 2-126 FT1, FT4
) d2 |/ F# y# `( }4 r7 C* ]P366: 6-112(4) An assembly considered to be installed in an acceptable manner is one where: (c), (d), (g)
3 Q. Y( }+ E- |; r) D& v* a+ sP367: 8-200, 8-202, 8-208, 10-408(3), 10-814(1) }5 y1 t- c4 i% j
P370: 12-1012, 1118, 1214 Example:
+ r4 F1 G3 ]; [, X2 DP371: 12-1108
% x1 A5 l! w! _+ U1 `P381: 18-108(1)(b), 18-158(1)(b)
) {& n; @: v$ s" _P386: 24-206, Z0 b3 p3 t& d* \' y5 d
P389: 26-256
$ U( |/ L! b, sP391-P393: Section 28, Example to determine Motor Conductors and Protection1 _3 t: F+ Q4 }0 z7 i- Q/ \
4 m/ P! K/ N* ZAppendix D
9 X6 G! @5 \$ ^: @5 ?! A2 JTable D1, D2, D3, D4, D5, D6, D7, D16 |
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