News — Electrical

Lights in garage and garage door stopped working. Breaker didn't blow. Other items on the breaker are working. Opened up ceiling light socket and in the junction box saw this: So on this circuit are two ceiling garage lights, a plug in the ceiling for garage door opener, a porch light, and inside the house, wall plugs in an "office". The garage ceiling lights are on three-way switch set-up. The breaker did not blow. The plugs in the office work. Home was built in 1982 (and in US). In this junction box the neutrals and grounds are tied together. (Is...

I was in the process of replacing a 23-year old fluorescent tubelight fixture in my garage with a similar (physical) size LED fixture. When I opened up the light, I found that from the ceiling box there were three wires (none of which was a ground wire) coming out. Picture shown below. Two of these (left and middle) were combined with a wire from the fixture using a twist connector. And another one from the box (right) was connected to another wire from the fixture. When I turned the mains back, I find that the wires on the two extremes...