Shop for Electrical at The Home Depot. Southwire Armorlite Type MC Cable is suitable for use as feeder and service power distribution in commercial, industrial, institutional, and multi-residential buildings. As well as power, lighting, control, and signal circuits. It can be fished or embedded in plaster in concealed or exposed installations. Can also be used as aerial cable on a messenger and/or under raised floors for information technology equipment conductors and cables.