Electrical Construction & Maintenance (EC&M) Magazine

Code Q&A

Nov. 20, 2008 Mike Holt | Electrical Construction and Maintenance

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)].

Discuss this Article 1

Anonymous (not verified)

on May 9, 2013

what is the best way to lift the xfmr into the ceiling?

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