There are many types of wire connectors out there but these are some of the most common ones you'll encounter.
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 ...
Metal-clad (MC) cable is one of the essential wiring methods commercial electricians use in their daily work. This Chapter 3 wiring method is approved for use in dwelling units and "other than" ...