How do you wire a light fixture with 2 black and 2 white wires?

Take your always hot black and put it on your light switch, than take the other black in that box and put it on the light switch. Take your white that is in the same cable as your always hot black and wire nut it with your other white. Now go up to your light box.

Why does my ceiling light have 2 black and 2 white wires?





There are two black and two white wires in an outlet box because the outlet is in the middle of a series circuit, accepting power from another source and sending it on. Two cables are hot wires, bringing the power in and carrying it onward to the next. Two cables are neutral and do the same.

How do you wire a new ceiling fan to old wiring?

Quote from the video:
Quote from Youtube video: You have an older wiring. System it's called armored cable or bx. Now it's a two-wire system it's surrounded by a metal sheath.

How do you wire a ceiling fan with two black wires?

Quote from the video:
Quote from Youtube video: Well it's commonly accepted that the black goes with the black this is your fan wire just remember which connects to which so you can differentiate in your wall.

What if I have two black wires?

Black means hot, white signifies neutral, and green indicates ground. However, if you need to rewire a light switch or a plug socket, you may occasionally come across two black wires. It’s essential that you determine which black wire is hot before proceeding.

Why does my light switch have 2 black wires?





STEP 3: Identify the terminal and ground wires.



Observe the layout of the wires. You should see two black wires, each connecting to a different screw on the side of the switch. These are called terminal screws. You will also see two white (neutral) wires that connect to one another in the box.

How do you wire a light with two sets of wires?

Connect the lead wires from the fixture to the black hot wire in the electrical box by twisting a wire connector to the ends of the lead and hot wires. Repeat these connections with the two white neutral wires from the light fixture and the white neutral wire in the light fixture box.

How do you hook up a 2 wire light fixture?

Quote from the video:
Quote from Youtube video: We're going to bend the ends. And then on the light kit. We have our brass and our silver the white wire goes to the silver. And the black wire goes to the brass.

How do you wire a light fixture with two white wires?

Quote from the video:
Quote from Youtube video: The two ground wires from the two cables are connected together but the ground wire from the light was not connected together with those two ground wires.

What happens if you connect the wrong wires on a light fixture?



But here’s the catch: If you connect the circuit wires to the wrong terminals on an outlet, the outlet will still work, but the polarity will be backward. When this happens, a lamp, for example, will have its bulb socket sleeve energized rather than the little tab inside the socket.

How do you know which wire is hot in old wiring?

Quote from the video:
Quote from Youtube video: Now we need to test these two wires to figure out which one of them is actually hot so put your black probe on ground. And then connect your red probe to one of the hot wires. And as you can see.

Which wire is hot when both are black?

Here’s a rundown of electrical wires: The black wire is the “hot” wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the “neutral” wire, it takes any unused electricity and current and sends it back to the breaker panel.

What happens if you wire a ceiling fan backwards?



Wiring the fixture incorrectly could lead to circuit breakers tripping, lights burning out quickly, or a ceiling fan turning in the wrong direction. Fortunately, this is something any homeowner can do with an inexpensive voltage tester.

How do you know which wire is positive and negative on a light fixture?

If you have a wire where both sides are the same color, which is typically copper, the strand that has a grooved texture is the negative wire. Run your fingers along the wire to determine which side has the ribbing. Feel the other wire which is smooth. This is your positive wire.

Why are there 2 hot wires?

The reason for multiple hot/neutral wires for one outlet is that the outlets are daisy-chained together. This means hot/neutral is only coming from one of the wires and it is being sent to the other wire.

What happens if you connect 2 hot wires?

Two hots of same circuit – nothing should happen.

What are the 4 wires in a light fixture?



A four-wire electrical line has a red hot wire, a black hot wire, a white common wire and a ground wire. A two-wire line is usually a black hot wire and a white common wire.