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| reply to psafux Re: 4 volts on a 120v service?
Since receptacles have power you know the breaker is delivering power (assuming switch is on same circuit). So either there is an open somewhere between the receptacle you tested and the switch feed or you may have a ground fault receptacle somewhere in the system that has tripped.
Bathroom receptacle should be on GFI protected circuits unless you home is very old. In some cases lights are on the same circuit sometimes a different one. This can be accomplished either with a ground fault breaker or receptacle. If it is a receptacle it needs to be wired such that if it trips all receptacles in room get turned off.
Are you sure receptacles with power is on same circuit as switch? Need to trace wiring from switch - should run to nearest receptacle.
If you are handy it is not too hard to do. Just be careful - 120 volts can kill. Personally rather then messing with a multimeter I use a little neon light tester. Easier then using a meter. A ground fault outlet tester is also handy. Verifies receptacles are wired correctly and has a GFI trip button to test GFI.
/tom |