![]() ![]() Some ground wires can be in green but have yellow stripes on them. Question: What is the green wire for in 12-3?Īnswer: The green wire usually means a ground wire. That’s the maximum limit allowed by the US government. Question: How many amps will 12-3 wire carry?Īnswer: A 12 gauge wire with 3 conductors can carry about 20 amps of current. Among them, the black and red are hot wires. Question: What is the red wire for in a 12-3?Īnswer: 12-3 wires have white, black, red, and ground wires. Like wires, you can also connect or change an outlet to GFCI using this method. With a wire cap on top of it, it’s much safer.Īnd you’re done! Make sure nothing is left open and has been capped off. Simply grab them and place them securely over the twist.įor the red wire, repeat the same process. It’s time to use those twist-on wire caps that I have told you to get. Keep twisting until they’re tight and won’t get separated. Take the plier and twist the stripped ends with each other. Usually, a half-inch of insulation is fine. Take a wire stripper and strip some insulation from all the wires. We’ll connect the wires by matching the colors. The black wire is always positive and the white wire is always negative.Īnd that’s exactly how we’re going to connect them. Many people often can’t tell which is positive between the white and black wire. When you’re done, take the 12-2 wire and do the same. Remove the protective wrapping from them. Start by cutting the head of all 3 wires.įor cutting, you can also use a utility knife. It has 3 different colored wires inside white, black, and red. To do this step you’ll need a wire cutter first. Wet areas are extremely risky for obvious reasons.īesides, try to have someone stay by your side while you work. Other than this, make sure the area is dry and no water is nearby. You can now choose whichever you like more and get started! I’ve already picked some of my favorites for you- Product 1 If you don’t have access to a multimeter, don’t worry. If you’re still seeing some voltage, turn off the main circuit breaker. Because of that, you’ll need a voltmeter or a multimeter to test the voltage. It can be done by turning off the switches of the circuit breaker.īut that’s not enough assurance. The first thing that you’re going to do is to turn the electricity off. That’s why you must take several precautions for your own safety. Remember that a simple mistake can cause death. The wires are also a direct source of electricity, so mistakes aren’t an option. If you aren’t careful enough, you can hurt yourself really bad. Wiring jobs aren’t meant to be taken carelessly. Grab these tools as soon as you can to get started! Step 1: Take Necessary Precautions & Prepare Yourself To save you some time, I’ve listed them for you. But first, you’ll need some necessary tools. This process is done in several steps and there are some precautions to take. Connecting a 12-3 Wire With a 12-2 Wire: 4 Simple Steps A lot of households have ceiling fans using red wires. The red wire can be used in many different things. The inside of the 12-3 wire is exactly the same except for one difference. They have a plastic wrapping of black and white. It means the wire has 2 active conductors. Simply put, a 12 gauge wire is thicker than a 6 gauge wire.Īll that’s left is the 2 at the end of the naming. Gauge is a wired measurement for thickness. The 12 in the “12-2” wire stands for gauge. The other means the number of active conductors. Many homeowners often don’t know neutral wires and what they are.Īs you can see the naming has two numbers separated by a hyphen. It functions as a neutral wire but isn’t exactly the same. Don’t worry it’s not a science class and I will be super brief.īoth wires have conductors and a ground wire. In case you haven’t done wiring before, we’ll go through the basics. Final Words What’s the Difference Between 12-3 & 12-2 Wires? ![]()
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