House Wiring Electrical Cable Types List

We ve separated the guide into two sections.

House wiring electrical cable types list. Knowing the basic wire types is essential to almost any electrical project around the house. 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. The coating on nmc cable is non conducting flame resistant and moisture resistant. Common electrical wiring diagrams.

This cable is used in the least expensive wiring method. This may require using 3 wire cable or two 2 wire cables where you may have used one 2 wire cable in the past. Frequently asked electrical questions. 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.

Wire gauge and voltage drop calculator. For example a stick frame home consisting of standard wood framing will be wired differently than a sip or structured insulated panel home because of access restrictions. 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. When you re installing new wiring for example choosing the right wire or cable is half the battle.

For clarity all grounding conductors in the circuit wirings are colored green. The electrical wiring system in most homes is created with non metallic sheathed wire nm. Residential electrical guidelines and codes. Nec reference tables 2014 2011 2008 2005 2002 and 1999 electrical the basics.

Residential electricians call nonmetallic sheathed cable of type nm as romex. Electrical wire and cable must be sized and installed correctly to pass an electrical inspection and keep electricity running safely through your home. The types of cables that can be used in residential electrical installations are as follows nonmetallic sheathed cable. Nm and nmc conductors are composed of two or more insulated conductors contained in a non metallic sheath.

This guide will teach you the difference between types of electrical wires and types of electrical cables. Use a black or red wire to supply power from a switch to a light or switched receptacle. The installation of the electrical wiring will depend on the type of structure and construction methods being used. Types of electrical wiring.

Wire types and sizing. The national electrical code nec has a letter system that makes it. Below we ll provide some helpful information to make it easier to identify the many types of wiring available.