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  1. General Electrical Discussion
    I have a customer that has installed a whole lot of new electrical equipment, mainly electric heating (floor heat, individual heating units in all bathrooms, another range, cooling, etc.) I spoke with her about upgrading the service and that is what she wants to do. But, I have a question. What...
  2. Services and Service Equipment
    hello guys I'm new to the forum and need some help. I'm doing an addition onto one unit within a two family dwelling, it is roughly 1,900 sq ft I completed a load calc no problem using the standard method, the total load is 142.5 amps for both units, 102.5 amps for the first floor unit including...
  3. General Electrical Discussion
    I have a service that I need to change and I want to use a PVC mast as the strike is attached to the side of the house. - I did some research and I don't think a PVC TA is rated for use with a rigid conduit hub. - I am thinking, but haven't tried it, that I could use a rigid coupling and...
  4. Services and Service Equipment
    when installing solar on a 125amp meter panel, we are allowed 120% of the max panel rating which is 150 amps, (ie, one 2pole 100 amp & one 2pole 50amp circuit breaker) that same rule applies to adding another subpanel, correct?
  5. Canadian Electrical Forum
    Hey guys, I've got a doozy of a situation here. I trusted the wrong guy to install a service for me while I was away on holidays. When I came back, the installation had failed inspection due to no clamps on the service mast. So the issue I'm having, is how to get the mast clamps on without...
  6. General Electrical Discussion
    I have a question: I recently looked at an existing service (with a generator panel) that had a main breaker panel with a main lug only panel right beside it. The main lug only panel is served by the main breaker panel (through a breaker located in the main breaker panel) and also by the...
  7. General Electrical Discussion
    I went to estimate a job today and I found this. There is an electrical panel directly behind this meter base that feeds a small panel for a shop, which is where all this stuff is located. The house is located about 75 feet from here down a hill and is a separate structure. I was thinking the...
  8. Services and Service Equipment
    I recently went out to a customer and the call was that they lost power to the building. Before I arrived, they already found the problem breaker, turned it off, and reset the 1200A GFCI main. The problem was a 70A RTU branch ckt. A compressor had a ground fault that caused the main to trip...
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