One of the more significant and controversial changes to makes its way into the 2005 NEC can be found in 240.86 — Series Ratings. Throughout the 2005 Code cycle process, numerous proposals and ...

When dealing with adjustable-trip circuit breakers, restricted access is defined in Sec. 240.6(C) of the 2014 NEC as: “located behind one of the following: removable and sealable covers over the ...

The National Electrical Code (NEC) exists to keep people and property safe from electrical hazards and fires. Electricians like me and Chris Lozano of Frontdoor Home Services spend years learning the ...

The United States' National Electrical Code (NEC) recently expanded Arc-Fault Circuit Interrupter (AFCI) requirements (see "Arc-Detecting Circuit Breakers Will See Wider Use" at ...

Most wiring in buildings is installed and maintained by electricians rather than by engineers. Nevertheless, installers may not necessarily be qualified. And poorly configured wiring can cause ...