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ground fault
1-8 of 8 Results
  1. General Electrical Discussion
    So I had to troubleshoot a ground fault on a swimming pool filter pump today, the only issue is, it wouldn’t trip while I was there, the home owner informed me that it only trips every once in awhile and it wasn’t raining or anything when it would trip either. I ran the pump for awhile to see if...
  2. General Electrical Discussion
    I'm looking for some tips, help, or advice on troubleshooting this type of issue. I have a potential customer who just called and he said his power bill went from $400.00 to $1,200.00 in one month. He also said the power company said he was on track this month for the same at the end of this...
  3. Services and Service Equipment
    I got a call to look at a problem (I’d never been there before), where someone had felt a tingle between the ground (dirt, earth) and the metal frame of a trailer on tires with a sub panel in it. I didn’t have a ground rod or plate with me, but I put a piece of rebar in the ground and measured...
  4. General Electrical Discussion
    Two generators running in parallel, had several brownouts: some shut down circuits activated, lights in and out emergency switchboard changed over to E/G. It happened several times within an hour and was noticed that the main switchboard ground fault indicating lights showed a ground fault...
  5. Residential Electrical Forum
    Hi all, first post...will start by saying thanks for all who have a willingness to share wisdom and help other sparkys out...super appreciate it!!! Ok so I will try to keep this short... My aunt calls me and says her brand new pool sweeper stopped working and the tech came out and said the...
  6. General Electrical Discussion
    I have a residential customer who bought a 115V, 1400 Watt Profitec Pro 700 Dual Boiler Espresso Machine. https://www.wholelattelove.com/products/profitec-pro-700-dual-boiler-espresso-machine I was called in because the GFI receptacle was occasionally tripping whenever the machine was being...
  7. NEC Code Forum
    Hi, I'm new to the forum and this would be my first question. I'm working on a non-isolated AC/DC power supply with universal AC line input and 380VDC 3kW output. The output is for sure not isolated from the input. This power supply is supposed to supply some lighting applications and for safety...
  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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