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  1. General Electrical Discussion
    Hey, this is my first post, and I need some help! I work at a small data center that runs a little over 400 computers. Over the past 2 years (at least) 2 of the 4 breakers keep tripping. We have changed the computers on the lines, but to no avail. An electrician has visited and said that there...
  2. General Electrical Discussion
    Hello, sorry if this doesn't belong here, don't know where to ask. I am a student living in an apartment building and for the past few months my living room breaker has been tripping with only an Xbox and a TV plugged into the outlet. I asked my landlord for help when it first started happening...
  3. General Electrical Discussion
    I've been posting on this forum about problems that I've been having with a large house that was recently trimmed out. Arc fault breakers would trip under NO load. I would not detect faults between hot/neutral hot/ground and neutral/ground. The breakers are type CH. Wago's (push in wire nuts)...
  4. General Electrical Discussion
    I am having trouble with a 5000 sq foot house i just trimmed out. The main panel is 200 amps. There is solar and 2 sub panels in different parts of the house. All breakers are from the cutler hammer series and are type CH. I have been experiencing GFI breakers tripping for no apparent reason...
  5. General Electrical Discussion
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  6. PLCs, VFDs, Motors and Controls
    Breaker keeps tripping Hello! I have an issue that I have been troubleshooting for a few days now and was hoping to pick a few brains to see if anyone has a suggestion. I have a pretty basic electrical system that runs a small motor (essentially a 50HP, 440Vac, 3 phase, 2 speed motor and brake)...
  7. General Electrical Discussion
    Under what circumstances would you replace an AFCI with a standard breaker, if any? Some jurisdictions require AFCI's if a new SE or sub-panel is installed, in old wiring. I've had the AFCI's tripping for no good reason and wonder what others are doing.
  8. General Electrical Discussion
    Hi everyone; it's been awhile. :) I hope everyone is having a nice New Year! Got a service call because a main breaker was tripping instead of the branch circuit when a tenant was using a space heater. I overloaded the circuit to confirm and sure enough, the main breaker tripped, but NOT the...
  9. Residential Electrical Forum
    I have having a nuisance problem with a 15a cb it keeps tripping randomly when there is barely any load at all. This breaker protects a bedroom that has one incadesent fixture and four receptacles. The only thing that is really used in this room is a computer and printer. I heard that some times...
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