Shielding and grounding are essential strategies for managing interference and protecting electrical cables. Generally, cables fall into two broad categories: power cables, which transmit electrical ...

The NEC Chapter Three wiring methods include various cable types, such as: 1) armored cable (Type AC) [Art. 320]; 2) metal-clad cable (Type MC) [Art. 330]; 3) nonmetallic-sheathed cable (Types NM and ...

This answer is based on the 2017 NEC. A. Exposed Type NM cable must closely follow the surface of the building [Sec. 334.15(A)]. Nonmetallic-sheathed cable must be protected from physical damage by ...

Whether you're updating a new light fixture or adding an outlet, you'll probably need to reconnect wires, or connect a new wire to an old one. Learn how to perform this essential electrical task ...