Question about Fans
Where does the white wire come from off the electric motor on a ceiling fan.The one I have fell off while I was cleaning it and fell far enough to pull the power wire loose. The black wire pulled loose from a wire nut, but the white pulled loose from a solder joint and was inside the tube between the top of the motor and ceiling mount.The problem is the white wire only runs to a wire nut on the bottom side of the fan for light that it doesn't have,I can't seem to find where the white wire was connected to complete the circuit.
Use caution when dealing with AC, it can be deadly.
The black wire by accepted standards is the 'hot' wire and will measure (when active) 110-125 volts (in the US) to ground or the white neutral wire in a normal household system.
The white wire may have a couple of volts when measured to an earth ground or any green (or green-yellow) wire which is (by standards) connected to earth ground, often via plumbing pipes in some homes, or a visible or buried grounding rod driven several feet into the earth.
The black (hot) wire is the one customarily 'switched.'
I would highly recommend you have a qualified electrician reconnect the strayed wires to protect yourself and the fan.
Posted on Jul 09, 2008
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