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Electrical > Wire Ampacities > Flashcards

Wire Ampacities Flashcards

1
Q

12 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 25
b. 30
c. 35
d. 40

A

b. 30

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2
Q

4/0 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 205
b. 200
c. 195
d. 210

A

a. 205

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3
Q

10 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 30
b. 45
c. 40
d. 35

A

c. 40

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4
Q

12 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 25
b. 30
c. 35
d. 40

A

a. 25

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4
Q

2/0 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 155
b. 150
c. 165
d. 170

A

b. 150

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5
Q

8 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 55
b. 45
c. 50
d. 65

A

a. 55

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5
Q

2/0 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 190
b. 185
c. 195
d. 200

A

c. 195

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6
Q

4 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 95
b. 85
c. 80
d. 75

A

a. 95

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7
Q

8 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 25
b. 35
c. 45
d. 55

A

c. 45

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8
Q

3 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 85
b. 95
c. 100
d. 105

A

a. 85

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9
Q

6 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 55
b. 60
c. 65
d. 70

A

b. 60

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10
Q

4 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 65
b. 75
c. 70
d. 85

A

b. 75

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11
Q

1 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 130
b. 150
c. 165
d. 140

A

b. 150

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12
Q

1/0 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 170
b. 160
c. 155
d. 185

A

a. 170

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13
Q

1 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 120
b. 110
c. 105
d. 115

A

d. 115

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14
Q

1/0 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 130
b. 135
c. 155
d. 125

A

b. 135

15
Q

3/0 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 185
b. 180
c. 195
d. 175

A

d. 175

17
Q

10 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 25
b. 35
c. 30
d. 40

A

b. 35

19
Q

6 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 55
b. 60
c. 75
d. 65

A

c. 75

20
Q

3/0 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 235
b. 230
c. 225
d. 240

A

c. 225

21
Q

4/0 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 255
b. 260
c. 275
d. 250

A

b. 260

22
Q

2 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 120
b. 130
c. 115
d. 125

A

b. 130

23
Q

2 AWG Al THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 100
b. 95
c. 105
d. 110

A

a. 100

24
Q

3 AWG Cu THHN is rated at _______ at an ambient temperature of 30°c and a fill of 3 or less conductors in free air.

a. 95
b. 100
c. 105
d. 110

A

d. 110

Electrical (4 decks)

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