Violations of the National Electrical Code (NEC) regarding transformers are often encountered while performing electrical plan reviews. There are far too many NEC requirements to explain in just one ...

The 80% rule requires standard circuit breakers to be sized so continuous loads don't exceed 80% of their rating, ensuring ...

One of the most dangerous locations in a power distribution system with regard to incident energy is that first panelboard on the secondary of a transformer. With some thought in your design — even if ...

Proper engineering on the front end of a project, including acceptance testing and commissioning prior to initially energizing, ensures a smooth start up and reduces the problems that can keep a ...