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Blew a circuit but no switches in circuit box are off why no lights?
Wiki User
∙ 12y ago
Cause you blew the fuse, The switch may not be off but there is a break somewhere in you circuit and will not work. If your circuit isn't working and all the switches are closed (on) You probably have a series circuit. meaning one wire is connecting all your electric currents and keeping it flowing. But if you had a parallel circuit you would have lights, so if your still wondering why your lights aren't on? you probably need to by new wires/circuits or just replace the whole thing.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoWired incorrectly is most likely the cause.
However, if it happens just some times, then this could have something to do with the light bulbs. As filaments inside bulbs get worn by many hours of use, they may eventually fall off their supporting stand. In worst case, this filament may shortcut the leads into the bulb and a fuse may blow as a result.
Most light bulbs these days have got internal fuses to compensate for this problem.
If this is not the cause, then I would go through the light armature and check for errors. There might be some springy bits of metal that are bendt too much one way or another, causing a shortcut rather than a proper connection to a bulb.
Be sure you know what you are doing. Remember. High voltage may be lethal if worst came to worst. If you are unsure of what you are doing, then let a professional deal with it.
Wiki User
∙ 14y agoBad switch. Open wiring between switch and lights.
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