All questions and answers are based on the 2017 NEC. Q. Per the NEC, overcurrent protection devices must be placed at what location in branch-circuit or feeder conductors? A. Except as permitted by ...

Article 440 applies to electrically driven air-conditioning and refrigeration equipment. The rules in this Article add to, or amend, the rules in Art. 430 and other Articles in the NEC [440.3(A)]. A ...

ARLINGTON, Va.--(BUSINESS WIRE)--The Electrical Safety Foundation and The National Electrical Manufacturers Association’s (NEMA) Low Voltage Surge Protective Devices Section (BI-VS) recently released ...

Protecting an electronic circuit from damage due to excessive current or heat is the primary function of many circuit protection technologies. In the past, this protection took the form of a fuse or ...