House Wiring Electrical Cable Types List

Frequently asked electrical questions.

House wiring electrical cable types list.

Nec reference tables 2014 2011 2008 2005 2002 and 1999 electrical the basics. The national electrical code nec has a letter system that makes it. Romex is a common type of residential wiring that is categorized by the national electrical code nec as underground feeder uf or non metallic sheathed cable nm and nmc. Types of electrical wiring.

This may require using 3 wire cable or two 2 wire cables where you may have used one 2 wire cable in the past. Electrical wire and cable must be sized and installed correctly to pass an electrical inspection and keep electricity running safely through your home. Nm and nmc conductors are composed of two or more insulated conductors contained in a non metallic sheath. Residential electrical guidelines and codes.

Wire gauge and voltage drop calculator. The coating on nmc cable is non conducting flame resistant and moisture resistant. Common electrical wiring diagrams. And when you re examining existing wiring in your home identifying the wire type can tell you a lot about the circuit the wiring belongs to for.

Knowing the basic wire types is essential to almost any electrical project around the house. The types of cables that can be used in residential electrical installations are as follows nonmetallic sheathed cable. You ll also learn how to choose between electrical cables and wires for your projects. Residential electricians call nonmetallic sheathed cable of type nm as romex.

Use a black or red wire to supply power from a switch to a light or switched receptacle. Commonly called romex this wire has 2 3 conductors as well as a bare ground wire and it s coated in. The electrical wiring system in most homes is created with non metallic sheathed wire nm. This guide will teach you the difference between types of electrical wires and types of electrical cables.

Wire types and sizing. Rough in electrical and pulling cable. How to identify wiring and cables on wiring jackets you ll see a letter code which provides attributes of the wire including material gauge and voltage rating. This cable is used in the least expensive wiring method.

We ve separated the guide into two sections. The installation of the electrical wiring will depend on the type of structure and construction methods being used. For clarity all grounding conductors in the circuit wirings are colored green.