The Electrical Wire Color Code: How It Works

If you are planning on undertaking your home electric repair job, you need to understand fully exactly what the different wire colors signify. For a general rule, the color code is pretty simple, but some people just do not take enough time to learn the significance of the code. If you don’t make the effort essential to learn what the colors mean you might make an electrical mistake which could end in tragedy. Before you decide to perform the next home electrical repair, take the time to review the electrical wire color code. As with any other electrical work, you need to assess how comfortable you are in doing the job. If you don’t feel you possess the appropriate level of knowledge or expertise, it is best to turn the work to licensed electrical contractors.

Black and Red Wires – Think HOT

When taking care of electrical wiring, you should keep in mind that black wires will be the “hot” ones. They are the wires that carry electrical current, also known as “live” wires. These wires will often be used as switch legs, and they’re designed to power outlets and switches. However, black wires should by no means be used for a ground wire or maybe a neutral. The next “hot” wires that will be inside your 220 volt electric installations are the red wires. They are also utilized in switch legs. Red wires are also frequently used to connect multiple hardwired smoke detectors.

Bare and Green Copper Wires

Green colored wires or those that are bare copper are used to be the ground wires. They are the wires giving electrical devices safe grounding. When utilized in a junction box, you’ll find them grounded straight to the box. In order to prevent shorts or fires, it is very important to make sure that the electrical connections are correctly grounded. Make certain that the associated grounding screws are utilized properly.

White or Gray Wires

White will be the color to look for as the neutral wire when you’re handling the 110 volt electrical systems. However, sometimes you may find that this wire could be colored gray instead of white. This wire is meant to be connected to the outlet or junction box neutral terminal.

Yellow and Blue Wires

For the majority of average electrical work around your home, you probably will not run into many yellow or blue wires. However, whenever you do find them, it is important to know that they are utilized as “hot” wires. The yellow wires are often found in switch legs, usually in conjunction with fans, lights, or switched outlets. You are able to commonly discover the blue wires in switch applications, like the three or four-way switches. You can also find these in switch legs, which are associated with fans or lights.

Important Exceptions to the Wire Color Code

Although in most cases the wire color code follows the standards stated above, you should realize that exceptions do occur. On example is the fact that sometimes you can’t assume that the white wire is neutral, as it could actually be an additional hot wire. In this case the white wire should be marked as hot, but don’t ever make any assumptions. If you ever have any doubts in regards to the wiring at home, make sure you talk with a licensed Elk Grove electrician or El Dorado Hills electrician so you don’t make any tragic mistakes.