Existing Wiring Problems


Old 04-19-11, 07:42 PM
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Question Existing Wiring Problems

I have just hung a ceiling fan in my living room. I ran a new wire to a box that used to house the control for a whole house fan. Upon installing the switch and attempting to turn on the fan, I blew a fuse. More than once. Like I said, this box used to house the control for a whole house fan. Coming to this box are THREE HOT and ONE neutral wire and of course the wire going to the new fan itself. Why are there three hot wires here?! Why do I blow the fuse this is attached to? Another oddity? I blow this fuse, and two of the hots are still hot. I have no idea where to go from here and am so frustrated. PLEASE HELP ME!
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Old 04-19-11, 08:05 PM
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Welcome to the forums! How do you know all three wires were "hot"? Just because they were black? They could have been part of a switch loop. Determine where the wires come from/go to, and do a voltage test from each wire to the neutral. Let us know what you come up with.
Old 04-19-11, 08:08 PM
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is it possible that the whole house fan was 220?

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