I have a weird one - electricians with 20+ experience haven't heard of this one so I am hoping you all can help me!
I have a small condo which appears to run on at least 2 main circuits. When all of the lights are on, they will run for an entire day and then later in the eve the lights will flicker and the power will go out on one half of the condo. They will stay out for about 3 hours and then come back on. The breaker does not trip. In addition to that - the refrigerator and oven will also go out and start back up with the lights.
Here's the weird part - if I put the AC on - the entire system will "reboot" and work fine again. The AC breaker is located directly above the other circuit breaker which is tied to the circuit which keep going out.
Also - these are MC wires - some are into plastic boxes and have the ground wire wrapped an inch or two up the outside of the MC cable.
Your advise is great appreciated