2015 Canadian Electrical Code, part I - tables Flashcards

1
Q

Allowable ampacities for single unshielded copper conductors, rated not more than 5000 V, in free air
(based on an ambient temperature of 30 °C)

A

Table 1

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2
Q

Allowable ampacities for not more than three copper conductors, rated not more than 5000 V and
unshielded, in raceway or cable (based on an ambient temperature of 30 °C)

A

Table 2

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3
Q

Allowable ampacities for single unshielded aluminum conductors, rated not more than 5000 V, in free air
(based on an ambient temperature of 30 °C)

A

Table 3

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4
Q

Allowable ampacities for not more than three aluminum conductors, rated not more than 5000 V and
unshielded, in raceway or cable (based on an ambient temperature of 30 °C)

A

Table 4

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5
Q

Correction factors applying to Tables 1, 2, 3, and 4 (ampacity correction factors for ambient
temperatures above 30 °C)

A

Table 5A

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6
Q

Correction factors for Tables 1 and 3 (where from two to four single conductors are present and spaced
less than 25% of the largest cable diameter)

A

Table 5B

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7
Q

Ampacity correction factors for Tables 2 and 4

A

Table 5C

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8
Q

Current rating correction factors where spacings are maintained (in ventilated and ladder-type cable
trays)

A

Table 5D

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9
Q

Maximum number of 600 V thermoset conductors without a jacket, Types R90XLPE, RW75XLPE,
RW90XLPE, and RPV90, of one size in trade sizes of conduit or tubing

A

Table 6A

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10
Q

Maximum number of 1000 V thermoset conductors without a jacket, Types R90XPLE, RW75XLPE,
RW90XLPE, and RPV90, of one size in trade sizes of conduit or tubing

A

Table 6B

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11
Q

Maximum number of 600 V thermoset conductors with a jacket, Types R90XPLE, RW75XLPE, RW90XLPE,
R90EP, RW9075EP, RW90EP, and RPV90, of one size in trade sizes of conduit or tubing

A

Table 6C

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12
Q

Maximum number of underground conductors, Types RWU90XLPE, TWU, and TWU75, of one size in
trade sizes of conduit or tubing

A

Table 6D

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13
Q

Maximum number of 1000 V and 2000 V thermoset conductors without a jacket, Type RPVU90, of one
size in trade sizes of conduit or tubing

A

Table 6E

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14
Q

Maximum number of 1000 V and 2000 V thermoset conductors with a jacket, Type RPVU90, of one size
in trade sizes of conduit or tubing

A

Table 6F

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15
Q

Maximum number of 2000 V thermoset conductors without a jacket, Type RPV90, of one size in trade
sizes of conduit or tubing

A

Table 6G

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16
Q

Maximum number of 1000 V thermoset conductors with a jacket, Type RPV90, of one size in trade sizes
of conduit or tubing

A

Table 6H

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17
Q

Maximum number of 2000 V thermoset conductors with a jacket, Type RPV90, of one size in trade sizes
of conduit or tubing

A

Table 6I

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18
Q

Maximum number of thermoplastic conductors, Types TW and TW75, of one size in trade sizes of
conduit or tubing

A

Table 6J

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19
Q

Maximum number of thermoplastic conductors, Types TWN75 and T90 NYLON, of one size in trade
sizes of conduit or tubing

A

Table 6K

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20
Q

Radius of conduit or tubing bends

A

Table 7

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21
Q

Maximum allowable per cent conduit and tubing fill

A

Table 8

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22
Q

Cross-sectional areas of rigid metal conduit

A

Table 9A

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23
Q

Cross-sectional areas of flexible metal conduit

A

Table 9B

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24
Q

Cross-sectional areas of rigid PVC conduit

A

Table 9C

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25
Q

Cross-sectional areas of rigid Type EB1 PVC conduit and rigid Type DB2/ES2 PVC conduit

A

Table 9D

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26
Q

Cross-sectional areas of rigid RTRC conduit marked IPS

A

Table 9E

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27
Q

Cross-sectional areas of rigid RTRC conduit marked ID

A

Table 9F

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28
Q

Cross-sectional areas of metallic liquid-tight flexible conduit

A

Table 9G

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29
Q

Cross-sectional areas of non-metallic liquid-tight flexible conduit

A

Table 9H

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30
Q

Cross-sectional areas of electrical metallic tubing

A

Table 9I

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31
Q

Cross-sectional areas of electrical non-metallic tubing

A

Table 9J

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32
Q

Dimensions of stranded conductors for calculating conduit and tubing fill

A

Table 10A

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33
Q

Dimensions of photovoltaic cable for calculating conduit and tubing fill

A

Table 10B

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34
Q

Dimensions of solid conductors for calculating conduit and tubing fill

A

Table 10C

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35
Q

Dimensions of DLO cable for calculating conduit and tubing fill

A

Table 10D

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36
Q

Conditions of use, voltage, and temperature ratings of flexible cords, heater cords, tinsel cords, equipment wires, Christmas-tree cords, portable power cables, elevator cables, stage lighting, and festoon cables

A

Table 11

37
Q

Allowable ampacity of flexible copper conductor cord and equipment wire (based on an ambient
temperature of 30 °C)

A

Table 12

38
Q

Allowable ampacities for portable copper conductor power cables (amperes per conductor)

A

Table 12A

39
Q

Temperature correction factor

A

Table 12B

40
Q

Conductor rating correction factor

A

Table 12C

41
Q

Layering correction factor

A

Table 12D

42
Q

Allowable ampacities for Type DLO cables in a permanent installation in cable tray

A

Table 12E

43
Q

Rating or setting of overcurrent devices protecting conductors

A

Table 13

44
Q

Watts per square metre and demand factors for services and feeders for various types of occupancy

A

Table 14

45
Q

Bending radii — High-voltage cable

A

Table 15

46
Q

Minimum size conductors for bonding conductors

A

Table 16A

47
Q

Minimum size conductors for system bond jumpers and bonding conductors where busbars are
used

A

Table 16B

48
Q

Conditions of use and maximum allowable conductor temperature of wires and cables other than flexible cords, portable power cables, and equipment wires

A

Table 19

49
Q

Spacings for conductors

A

Table 20

50
Q

Supporting of conductors in vertical runs of raceways

A

Table 21

51
Q

Space for conductors in boxes

A

Table 22

52
Q

Number of conductors in boxes

A

Table 23

53
Q

Minimum insulation resistances for installations

A

Table 24

54
Q

Overcurrent trip coils for circuit breakers and overload devices for protecting motors

A

Table 25

55
Q

Determining conductor sizes for motors for different requirements of service

A

Table 27

56
Q

Determining conductor sizes in the secondary circuits of motors

A

Table 28

57
Q

Rating or setting of overcurrent devices for the protection of motor branch circuits

A

Table 29

58
Q

Minimum clearances for bus support and rigid conductors

A

Table 30

59
Q

Minimum horizontal separations of line conductors attached to the same supporting structure

A

Table 31

60
Q

Vertical isolation of unguarded live parts

A

Table 32

61
Q

Horizontal clearances from adjacent structures (including protuberances)

A

Table 33

62
Q

Vertical ground clearances for open line conductors

A

Table 34

63
Q

Spacing for switches and fuses assembled in the field (not of the metal-enclosed type)

A

Table 35

64
Q

Maximum allowable ampacity for aluminum conductor neutral supported cables

A

Table 36A

65
Q

Maximum allowable ampacity for copper conductor neutral supported cables

A

Table 36B

66
Q

Motor supply conductor insulation minimum temperature rating, °C (based on an ambient temperature of 30 °C)

A

Table 37

67
Q

Minimum permitted size for 3-wire 120/240 V and 120/208 V service conductors for single dwellings and feeder conductors supplying single dwelling units of row housing of apartment and similar buildings and terminating on equipment having a conductor termination temperature of not less than 75 °C

A

Table 39

68
Q

External tapered threads for rigid metal conduit

A

Table 40

69
Q

Minimum size of bonding jumper for service raceways

A

Table 41

70
Q

Minimum conductor size for concrete-encased electrodes

A

Table 43

71
Q

Three-phase ac motors

A

Table 44

72
Q

Single-phase ac motors

A

Table 45

73
Q

Size of conduit for mobile homes

A

Table 48

74
Q

Transformers rated over 750 V having primary and secondary overcurrent protection

A

Table 50

75
Q

Minimum size of bare copper grounding conductor

A

Table 51

76
Q

Tolerable touch and step voltages

A

Table 52

77
Q

Minimum cover requirements for direct buried conductors, cables, or raceways

A

Table 53

78
Q

Minimum working space around electrical equipment having exposed live parts

A

Table 56

79
Q

Allowable ampacities for Class 2 copper conductors (based on an ambient temperature of 30 °C)

A

Table 57

80
Q

Ampacities of up to four insulated copper conductors in raceway or cable for short-time-rated crane and hoist motors (based on an ambient temperature of 30 °C)

A

Table 58

81
Q

Minimum size of protector grounding conductor for communications systems

A

Table 59

82
Q

Minimum buried cable horizontal separations from pools

A

Table 61

83
Q

Feeder demand factors for elevators

A

Table 62

84
Q

Hazardous areas for propane dispensing, container filling, and storage

A

Table 63

85
Q

Hazardous locations at NGV fuelling facilities

A

Table 64

86
Q

Enclosure selection table for non-hazardous locations

A

Table 65

87
Q

Ampacities of bare or covered conductors in free air, based on 40 °C ambient, 80 °C total conductor temperature, and 610 mm/s wind velocity

A

Table 66

88
Q

Clearance requirements of installed heating systems

A

Table 67

89
Q

Maximum conductor length measured from the supply side of the consumer’s service to the furthest point of utilization on a circuit using 90 °C rated copper conductors at 30 °C ambient temperature for 120 V single-phase ac circuits (2-wire circuits) when used in dwelling units

A

Table 68