Different sets of demand factors apply for different types of electrical loads — and even for different types of commercial buildings. Although most of the requirements for service and feeder ...

Conductors and insulators are important when we are thinking about different types of materials and their properties. A conductor is an object or type of material that allows heat or electricity ...

We all have a few items on our electrical to-do lists. Whether you’re putting in a light fixture, adding a ceiling fan or cutting in a receptacle, you’re going to need electrical wire. Unfortunately, ...

What types of equipment grounding conductors does the NEC allow? A. An equipment grounding conductor can be any one or a combination of the following [250.118]: 1) A bare or insulated copper or ...

Wire connectors are electrical fasteners that are essential to help you join (splice) electrical conductors together so that you can connect house wiring to outlet receptacles, switches, and ...