House Wiring Electrical Cable Types List

Frequently asked electrical questions.

House wiring electrical cable types list.

This cable is used in the least expensive wiring method. Residential electricians call nonmetallic sheathed cable of type nm as romex. 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. You ll also learn how to choose between electrical cables and wires for your projects.

This may require using 3 wire cable or two 2 wire cables where you may have used one 2 wire cable in the past. Below we ll provide some helpful information to make it easier to identify the many types of wiring available. The installation of the electrical wiring will depend on the type of structure and construction methods being used. Residential electrical guidelines and codes.

Rough in electrical and pulling cable. Knowing the basic wire types is essential to almost any electrical project around the house. Nm and nmc conductors are composed of two or more insulated conductors contained in a non metallic sheath. Wire gauge and voltage drop calculator.

Commonly called romex this wire has 2 3 conductors as well as a bare ground wire and it s coated in. 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. This guide will teach you the difference between types of electrical wires and types of electrical cables. 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.

We ve separated the guide into two sections. Types of electrical wiring. Use a black or red wire to supply power from a switch to a light or switched receptacle. The types of cables that can be used in residential electrical installations are as follows nonmetallic sheathed cable.

When you re installing new wiring for example choosing the right wire or cable is half the battle. The coating on nmc cable is non conducting flame resistant and moisture resistant. Wire types and sizing. 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.

The national electrical code nec has a letter system that makes it. The electrical wiring system in most homes is created with non metallic sheathed wire nm. Common electrical wiring diagrams.