Code updates happen for one main reason: safety improvement. National Electrical Code (NEC) Sec. 408.3 helps take electrical safety for service entrance panels to a new level. The 2017 NEC includes ...

For electric space-heating cable installations such as the type shown in the Photo, Sec. 424.47 requires manufacturers to provide marking labels indicating that the ...

Confusion abounds over the use of tandem circuit breakers in panelboards, even among electricians and electrical inspectors. Today I'll set the record straight as to when tandem circuit breakers can ...

“The design of the basic panelboard hasn’t changed in the last 40 years. Our goal was to provide our customers a tangible benefit, and to prove there is still room for innovation with legacy ...

Panelboard inspections can now be done safely and quickly with the QwikFit-IR infrared window from IRISS. It requires no cutting or preparation work and simply ‘clicks’ into place. Panelboard ...