Quote:
Originally Posted by javadog
I'd have an electrician replace the entire guts of that panel and rewire it. I'd choose guts that have a main breaker. I'd run two hots, a neutral and a ground in conduit to the new 50 amp sub-panel and run the A/C off of one leg and the rest off the other leg, in an attempt to balance the legs and reduce the current on the neutral.
My .02.
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I think you might be on to something. A second subpanel needs a panel, sub or main, that has its own disconnect. Also, being a detached structure, the observatory panel will require a main breaker as well if I'm reading the code correctly.
The point is there is too much wrong in the existing panel.