I am just going to cover a few basics for choosing the proper romex cable for use on circuits that i discuss on this website. 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.
How To Wire A 3 Way Switch
Romex wiring diagram. Installing and supporting electrical wiring this is very similar to installing electrical wiring under a conventional home where the wiring is well supported and secured to the floor. Nm and nmc conductors are composed of two or more insulated conductors contained in a non metallic sheath. In this article well show you some house wiring basicshow to position outlet and switch boxes and run the electrical cable between them. The wiring was romex type nm cable which was installed above the membrane fabric and this was acceptable in the state code here in california. How to install romex or nm type electrical cable. Regardless of what 3 way switch wiring diagram youre following youll need to use a 3 wire cable to connect the two 3 way light switches.
So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire. Common practices and methods for installing home electrical wiring beware of damaged or defective electrical cable electrical cable bends and kinks. The coating on nmc cable is non conducting flame resistant and moisture resistant. We wont cover many other house wiring details. House wiring cable known as romex cable comes in a variety of sizes and combinations. Plastic boxes and flexible nonmetallic cable commonly called romex put electrical wiring projects within the skill range of every dedicated diyer.
Gallery of Romex Wiring Diagram
