OP:
The bare wire from the main panel is the ground. It seems to be connected to the buss on the left. The white wire from the panel appears to be connected to the bus on the right.
Keep that separation.
Hum in Speakers with New Dedicated 20 amp Circuit
I just ran some 12-2 from a new 20 amp breaker and installed a dedicated outlet for my system. Now I get a very audible hum in both channels. If I switch back to the shared 15 amp outlet, no hum. I checked the new outlet with a tester and it checks out as wired correctly. At the electrical box, the black wire is connected to the breaker and the white and ground are attached to the same ground strip. I’m using a 20 amp receptacle.
Anyone with thoughts on how to resolve?
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