Electrical Questions? Ask an Electrician Online.
Hello, my name is***** me try and assist you with your issue. Are all your switches in the same box or are they in different locations? Are there any receptacles on the circuit that are out? Or are these lights the only thing on the circuit?
Just standard single pole 2 screw side wired switches?
OK, so in a room that isn't working, at the switch box is there just the 2 wires going to the switch? Or is there other wiring in the box?
OK, would you be able to upload a photo of the wiring inside one of the boxes?
So where you want to measure your voltage is from a hot wire and a neutral. Across the switch wont tell you what you need to know.
so if you test between the blacks that are spliced together and the whites, that will tell you if you have 120v live in the box
Have you tested voltage in the switch boxes in the rooms that don't work?
Yea, just test from one screw to neutral, see if there is 120v, then turn the switch on and check from the other screw and neutral to check if the switch is working
OK, so room #1 and #2 work ? 3 and 4 have don't have power?
in rooms 3 and 4, do you have power in the receptacles?
well it sounds like you loose power between room 2 & 3 then somewhere then. Have you confirmed 100% that all the plugs work and are for sure feed from a different circuit?
how many watts are each bulb?
in box #2 there are 3 separate 2 wire cables correct?
so is the hot from the 3-wire spliced with the hot from the 2-wire and a pigtail to the switch. Then the other hot from the 3-wire to the other screw of the switch?
OK, so then the power must come from the light box then, and then that 2 wire is taking power somewhere else.
Well maybe. Since there is power and switched power in the 3-wire that comes from the light it might run from light to light to light to light, and then from each light down to the switch. For sure that is the case in room #4 as you said there is only 1, 2-wire cable in the box and both go to the switch.
well it is possible there is a break in the wire before it gets inside the box #3, or perhaps wherever the connection is before that box has gone bad, maybe in light box #2?
You're welcome. At least you are on the right track, just have to run a few new lines. Happy to help. Thanks, ***** ***** a good night as well.