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Why are my circuits dying?

Posted on 1/3/24 at 9:32 pm
Posted by tadman
Member since Jun 2020
3865 posts
Posted on 1/3/24 at 9:32 pm
We just moved into a 30yo house a year ago. Every few months a circuit quits. ALsmost always it's a 3-way circuit. IS this the switches going bad? Tonigth I discovered one where the switch is bridging the left side in both positions.
Posted by Thecoz
Member since Dec 2018
2570 posts
Posted on 1/3/24 at 10:41 pm to
Do you have an old federal pacific box.. they were popular back then ( a little earlier).. I had them in my house built in the late 70s..

You have to change it out …. Those boxes will not usually get passed by the Indpection..
Posted by Turnblad85
Member since Sep 2022
1317 posts
Posted on 1/3/24 at 11:44 pm to
you talking about light switches?
Posted by TheLSUriot
Clear Lake, TX
Member since Oct 2007
1508 posts
Posted on 1/4/24 at 1:13 pm to
I have something similar going on in my kitchen circuit with 4 in-ceiling fixtures and 2 switches. It is down to only 2 working lights and 1 blinks for the first few seconds. House is 10 yrs old and I'm the second owner. I blame it on the fact one of the switches is a wifi switch.

Haven't had time over the holidays to climb in the attic and inspect the situation and completely map out the circuit wiring. So I'm curious what sort of responses you will get in this thread.
Posted by tadman
Member since Jun 2020
3865 posts
Posted on 1/4/24 at 3:53 pm to
Turns out I am a dumbass and there was a third switch on the circuit that was half-up/down. Still doesn't solve the other two circuits that went dead, but this one is a no-brainer.

As for the other two:

(A) three garage plugs, no known switches other than the panel. Dead.

(B) three can lights in the kitchen. I change the dining room circuit to rheostat and suddenly the three cans in the kitchen die. I change that dining back to a switch, kitchen still dead. I back feed off the neighboring circuit to get some light. On to the next fire.
Posted by LSUDad
Still on the move
Member since May 2004
58922 posts
Posted on 1/5/24 at 3:44 am to
If in BTR, I have a good and reasonable price electrician.
Posted by baldona
Florida
Member since Feb 2016
20561 posts
Posted on 1/5/24 at 10:41 am to
You are probably over thinking this OP. Switches go bad from use, they just get worn out and lose the positive connection I believe.

You probably just have a lot of old switches and they are just wearing out.

ETA: Also, in a 30 year old house that has multiple 3 way switches there's a damn good chance that a previous owner screwed with them and wired them improperly. So always double check that as a possibility.
This post was edited on 1/5/24 at 11:14 am
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