We want to connect a 3-speed wall switch to replace the chain-pull switch on our ceiling fan. At some point there was a switch for a light, which was removed. There are 4 black wires inside the wall with wire nuts on them. The new 3-speed switch has 2 black wires. How can we tell what we are supposed to connect?
Md Ariful Islam
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এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
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2 of the wires were for the light and 2 for the fan. You will need a voltage tester light to see which ones are power, unless 2 or 3 of the black wires are wired together, then those would be the power and the other black wires would be for the fan or light.
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