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 ...

Underlined text indicates a 2017 Code change. A. Type MC cable must be listed. The fittings must be listed and identified for the use. [330.6] Type MC cable is made with several types of metal sheaths ...

The transmission medium is the physical vehicle that facilitates the transport of information. Guided transmission media use a solid medium (cable) for transmission. There are many cables, but the ...

With the increasing frequency of natural disasters including earthquakes, floods, hurricanes, tornadoes, wildfires and storms with severe lightning, electric utilities worldwide have proactively ...