IN a work coming to us from one of the principal technical colleges in the United States, and on a subject which has been occupying the attention of electrical engineers for at least fourteen years, ...

Transformers are static electrical devices with no moving parts, transforming electrical power from one voltage and current setting to another. The frequency of the electrical current remains constant ...

Last month's Code Calculations article covered transformer calculation definitions and some specifics of delta transformer calculations. This month we turn our attention to the differences between ...

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 ...