Submitted by Cappuccino_Crunch t3_10nuw2r in DIY
Cappuccino_Crunch OP t1_j6b43t6 wrote
Reply to comment by ICYaLata in I have a question on wiring for a ceiling light. by Cappuccino_Crunch
Ok with switch in off position and wires not connected to fixture: The neutral reads 120v and the hot zero. With it in the on position both read 120v. That's the light fixture.
The hot wire from the source always reads 120v regardless. The wire at the switch going to the fixture reads zero when the switch is turned off and 120 when on. The neutral wires are capped and the grounds are spliced with a pigtail to the green screw.
Cappuccino_Crunch OP t1_j6b4gx9 wrote
I purchased another fixture and light switch earlier today so I don't think that's the issue. Should the neutral at the fixture be reading 120 with the switch flipped to off?
ICYaLata t1_j6b4ws3 wrote
Why is your neutral reading 120? There should be no voltage on your neutral unless its part of a closed circuit. Are you sure your wires? Older houses did not pull neutrals to switches and often used a white wire in the pair as a switched or hot leg. You may want to post a couple pictures.
Cappuccino_Crunch OP t1_j6b56l5 wrote
I will. I thought that was odd as well
Cappuccino_Crunch OP t1_j6b6ih1 wrote
ICYaLata t1_j6b7lj7 wrote
Take the lamp out, and with the switch on, check if the socket has power. If you read 120v at the socket, it's the lamp. Or the metal plate at the bottom of the fixture isn't making contact with the lamp.
Cappuccino_Crunch OP t1_j6b8ixz wrote
Switch on, both hot and neutral reads 120 disconnected and separated at the ceiling. Switch off, the neutral reads 120 but the hot reads zero.
ICYaLata t1_j6b97b1 wrote
How are you measuring voltage on the neutral? One prong on the neutral, the other on the ground? Or are you using a voltage sensor?
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