Article 450, Part I provides the general requirements for transformers. In the 2020 revision, Part 2 was titled “Specific Provisions Applicable to Different Types ...

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 ...

Part 1 laid out the case and strategy for the Transformer Health Index (THI). Part 2 focused on understanding the subcomponents and the elemental scoring criteria. Part 3 will introduce a way of ...