I am rewiring my house with major upgraded wire. I am installing #12 armorflex wiring and conforming to commercial code. Yes, I know most people use romex for houses, but I have seen plenty of attics ...
We have a floor lamp with a three-way combined switch and socket. I noticed arcing sounds when rotating the switch, so I disconnected it. Later I found that the "low" and "high" settings worked fine, ...