After youve disconnected the wires the old light fixture is generally free to be removed. When the fan was removed i had four wires.
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4 wires light fixture. The other black and white wires are the electrical circuit for the switch. Im replacing some old light fixtures with recessed light fixtures and when i removed the old fixtures i found that there are 4 romex cables in each ceiling box. Again this may vary given the light fixture youre working with. Once the wires are disconnected unscrew here and the fixture is off the ceiling. Mount the new fixture. One for the light one for the motor.
Connect the new wires. Theres no universal way. For class 1 control circuits follow. You must protect them against overcurrent per 2405. Attach the new light fixture to the ceiling mount using screws bolts or whatever other style of hardware is provided. My light only had ground green neutral and hot.
Bring out the new light fixture and match the differently coloured wires to the wires hanging from the ceiling using the provided connector system. Remove old light fixture. If youre using fixture wires for motor control circuit taps follow 43072a. My recessed light fixture boxes are small and theres no way i can fit 4 cables they have 2 knockouts and are about 9 cu. Ground neutral white and two hot black and red. Per 40210 and 40211 you can use fixture wires to connect luminaires but you cant use them as branch circuit conductors fig.
One of the black and white wires goes to the light fixture. Same image as above this one pointing out how to remove the light fixture. You can also use them for elevators and escalators 62011c class 1 control and power limited circuits 72527b and nonpower limited fire alarm circuits 76027b. Be sure to. At this time you can install light bulbs and turn the breaker back on. Disconnect the wires and move the old light fixture to a safe place.
If the light can be turned on or off from switches at each. Turn on the power. Unscrew the wire connectors the red parts in the image above and separate the fixture wiring from the ceiling wiring.
Gallery of 4 Wires Light Fixture
