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  1. Residential Electrical Forum
    House size: 1,385 sq. ft. Safety Interlock? Yes Only critical circuits powered during emergencies? No, it is up to me to decide which circuits I turn on. I can turn any (or all) of them on. Generator Inlet Plug Type (on the outer wall of the house): NEMA 14-50 Do I want to use that inlet...
  2. General Electrical Discussion
    Newbie alert - I have recently acquired a Isuzu powered light tower with a Marathon Electric Pancake Synchronous AC Generator. I will attach a picture of the output specs on the generator. I live in the north and I am looking to use this generator as a power back up as opposed to a Generac back...
  3. General Electrical Discussion
    Hello to all, I'm new here so TIA for taking the time to help me out. I'm in the process of trying to figure out how to install an ATS, Generator, 400 A Panel, 200 A Panel, and lastly a 125A panel. This is for a new house build. I'm lost on how to size the wire from meter to ATS, ATS to...
  4. Services and Service Equipment
    Good day. This is an issue I am facing that has several parts: 1. I am the maintenance electrician for a large senior living facility that is only about five years old, in fact I was the foreman who closed out the nearly two-year long job in 2018. 2. It was built with a 4000A, 480V service...
  5. General Electrical Discussion
    Does anyone know the steps to hook up a towable portable generator to this hotel switch board? PGE has a scheduled shut down for maintenance all day coming up and owners don’t want to lose power to their units where guest are staying. I’ve seen a coworker do it once where he hooked it up but I...
  6. Residential Electrical Forum
    I have an existing generator that has a 30 amp outlet [120/240V 30A (L14-30R)] , however, my house I recently purchased has a 50 amp power inlet box. The 50 amp circuit breaker in the box has an interlock, so we have protection from that stand point. My question is can I use my generator that...
  7. General Electrical Discussion
    I have 2 main meter panels customer wants one generator, any ideas how you would wire this?
  8. New Member Introductions
    Hi all. I recently got my license and am looking to get into Generators. My question is, is it worth it (and possible) to do just servicing generators and not installing them? I am a one man band and looking to set my self up in a service van oriented way. Who are the big players for mostly...
  9. General Electrical Discussion
    I have a Westinghouse WH7500E generator. I bought it recently, only a yr or two old, looks in really good shape, starts easily, but no AC power production. The battery (elec start) is dead, but a jump starter cranks it over easy and pull starts easy. AVR looks new (Generator Guru sticker on...
  10. Canadian Electrical Forum
    Hello Canadian Electrical Forums. I would just like to note before getting into it. I did not do this work. I would never do this work. And I believe it’s Extremely dangerous. I did low voltage data work at a cottage up in Muskoka. The cottage for some reason has 2 electrical services coming...
  11. General Electrical Discussion
    I am renting a portable restroom trailer and the quote states that it has x3 30A 120V on separate breakers. What type of generator do I need? From my understanding the formula to calculate watts is P =V x I so 120V x 30A = 3,600 watts. 3,600x3(breakers) = 10,800 watts. I know that good...
  12. Canadian Electrical Forum
    Ok so here is my problem. I am trying to troubleshoot a generator breaker feeding a transfer switch and the gen breaker keeps tripping. Breaker is 1000a @ 480v It will run for at least an hour carrying building load with no problem. After an hour its touch and go. Tripping anywhere from 1hour...
  13. NEC Code Forum
    I working in a commercial building in NYC bad we have a generator (Kohler) with multiple ATS switches in different locations throughout the building. My question is can I run the genset control wires in the same conduit as the Ethernet ( Ethernet is for the ats which goes back to the generator...
  14. NEC Code Forum
    Good morning everyone. I’ve been looking around for a long time now trying to find a real clean definition of what the classification of a transfer-switch is according to the NEC. I’ve always considered them a cabinet or cutout box but as article 312 is written, these Kohler transfer switches...
  15. General Electrical Discussion
    Hi all, I recently upgraded my generator from 30A to 50A, and am looking to upgrade my transfer switch setup. My current setup is: 10 circuit transfer switch fed from a 60A breaker in the main panel, with a lockout 30A breaker for the generator feed. Generator feed is an L14-30 inlet on the...
  16. Alternative Energy Forum
    Hello, I understand the title may be not be allowed for safety reasons, but I ask from a brainstorming point of view, in order to understand what can & can't be done from a electrician point of view, not a utility point of view. Here is an outline of what I'm trying to do and why: I...
  17. Residential Electrical Forum
    I have a Shed in North Carolina that failed electrical rough-in inspection. I have a Goal Zero 1500x (1516Wh) portable lithium-ion battery generator with multiple Goal Zero Boulder 200 (200 Watts) Solar Panels. The shed is off the grid and is only getting power from the Goal Zero battery and...
  18. Commercial Electrical Forum
    Hey all, We have a client that bought a 40kw 600 volt 3 phase generator for his property off grid (local poco wanted +/- $180 000 to run poles and lines into the property). Problem is, he wants to run his woodworking shop/business off this land. All his woodworking machines are 220-240 volts...
  19. New Member Introductions
    Hi! I'm a tradesman who got his start pulling wire in a button factory so many years ago. I can still hear the 20 ton presses ringing in my head, punching out belt buckles, metal buttons and various clips. I even learned how to wire metal injection molding machines. Later there was...
  20. NEC Code Forum
    I'm having a heck of a time finding an article in the code that says all wires in a circuit need to be terminated in the same panel/enclosure/load panel. As an example, someone installs a back up generator at their house, but it is not a whole house generator, just a 12 circuit panel. The 12...
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