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 ...

Choose from Panelboard stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else.

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 ...

Switchboards, Switchgear and Panelboards are covered in Article 408 of the 2023 National Electrical Code. In this column, I want to look at panelboards specifically. “Panelboard: A single panel or ...