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 ...

Many loads are mainly resistive; thus, they’re rated in watts (i.e., true power). Simply stated, these loads have a very small reactive component, which means an apparent power rating (VA) would not ...

Have you ever noticed those metal canisters attached to utility poles? Those are transformers. They convert high-voltage electricity from power plants to lower-level electricity that’s safe for homes ...

The electric power industry is always looking for the best approach to better determine and continually track the condition of power transformers. It is important to understand the need for and value ...

America is currently in the midst of a transformer super cycle. In the short term, a 2020 study by the United States' Department of Energy reported that 70 percent of the country's distribution ...

Flammable insulating fluids and electrical faults pose significant fire and explosion risks to transformers. These hazards can result in catastrophic damage, disrupt business continuity, and cause ...