XFMR Flashcards
1
Q
150 kVA, 480/208V
A
Prim 225 A, sec 500A
2
Q
300 kVA, 480/208V
A
Prim 450 A, sec 800 A
3
Q
75 kVA, 480/208V
A
FLA 90A, Prim 125 A, Sec 250 A
4
Q
15 kVA, 480/208V
A
FLA 18A, Prim 25A, Sec 60 A
5
Q
Dry-type transformers rated 112 ½ KVA or less
A
required to be located at least 12 inches from combustible materials per Section 450.21(A).
6
Q
A transformer not in excess of 50 KVA
A
may be located in a hollow space of a building—such as in a suspended ceiling—and does not require ready access
7
Q
Dry-type transformers rated 112 ½ KVA or less located at least 12 inches from combustible materials
A
:Exception for transformers 1,000 V or less that are completely enclosed except for ventilation openings
