This article is based on the 2014 Edition of the National Electrical Code (NEC). All you wanted to do was install a 30kVA, 120/208V transformer to supply receptacles in a new office structure on the ...
Elsco Transformers reports that choosing the right transformer size involves calculating kVA based on voltage and current for ...
Installing a small transformer overhead is more dangerous than it looks. Suppose you need to install a small transformer in a ceiling space. It weighs less than 100 lbs. What if you get on one ladder ...