Electrical Construction & Maintenance

Stumped by the Code? Rules for sizing transformer secondary conductors?

Q. What are the NEC rules for sizing transformer secondary conductors? A. A set of conductors supplying single or separate loads is permitted to be connected to a transformer secondary without ...
Electrical Construction & Maintenance

NEC Guidelines for Transformer and Transformer Feeder Protection

Note: All Code references are based on the 2014 NEC. The NEC has separate sections for transformer feeder protection and transformer protection. Article 240 lists requirements for transformer feeder ...