Code Q&A

Code Q&A

Can a 45 kVA transformer be installed in the ceiling space above the ceiling grid?

Q. Can a 45 kVA transformer be installed in the ceiling space above the ceiling grid?

A. Dry-type transformers, rated not more than 50 kVA, are permitted above suspended ceilings or in hollow spaces of buildings, if not permanently closed in by the structure [450.13(B)].

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