Wire Ampacities Flashcards
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
b. 30

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. 205

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
c. 40

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. 25

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
b. 150

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. 55

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
c. 195

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. 95

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
c. 45

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. 85

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
b. 60

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
b. 75

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
b. 150

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. 170

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
d. 115

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
b. 135

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
d. 175

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
b. 35

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
c. 75

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
c. 225

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
b. 260

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
b. 130

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. 100

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
d. 110
