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  1. General Electrical Discussion
    Ok I’m not electrician, just trying to save money. And just wanna get some input before I continue. I added a 20a breaker to my circuit box, ran 10/3 to a 220 outlet. Hots to my X and Y, neutral and ground all went to this outlet. 2 hots to the 20a, and my neutral and ground to the spot in the...
  2. General Electrical Discussion
    I have a 220 (4 wire) line that I use to power an outdoor pump for my maple syrup. The 220 at the pump works fine (I also spin off a 110 leg at the pump for some sensors). The 4 wire goes into a box with a 3 wire 220 outlet and a 110 GFI that uses 1 220 leg, the white common and the ground. I've...
  3. General Electrical Discussion
    Two questions. The first: The dryer I'm looking at draws 43a at 240v. There are two hot wires and a ground. Does the dryer draw 43a @ 120v or does it draw 21.5a @ 120v from each hot wire? Second question: All I want to know is the conditions under which a main circuit breaker trips. Assuming...
  4. NEC Code Forum
    Hello, I am in need of some guidance. I have to get power to two machines that have a nameplate that is, 220v, 43KVA, 3 phase, 125a. I have 480v in the building so the manufacture recommended transformers I bought are, 75 KVA transformer, 480v to 240v, I have changed the taps to get about...
  5. General Electrical Discussion
    Ok, so my school purchased a 208-240v input/output APC Uninterruptible Power Supply unit around 6 months ago. It came in on a pallet and was planned for use in a new building on campus. In back are 4 female receptacles for NEMA plug L6-20p. I'm not sure why it was purchased without 110v...
  6. PLCs, VFDs, Motors and Controls
    ok so in depth my question is can you use a 240VAC infinite switch like the ones on the stove on 110VAC provided that the load of the 110 circuit does not exceed the original (1500W in my case) application??? What would be the adverse effects? Would it still trigger the bimetal stripe? Would...
  7. General Electrical Discussion
    I am looking for a electrical wire (will be used for 220v [10-2]) insulation that is fire resistant but I don't know the terminology. I know with networking cable it's called 'Plenum' cable, but I do not know the equivalent for electrical wire.
  8. General Electrical Discussion
    What does the NEC Code say about hard-wiring a 220v electrical oven/range. I know many older houses are hard-wired and now the perferred method is a 4-wire/prong outlet. Is it still acceptable by code standards to hard-wire the range? Please provide NEC referrences. Thank you in advance for your...
  9. General Electrical Discussion
    hey guys I'm new to the forum so if this threads in the wrong place just let me know. anyways I'm an apprentice welder and just bought a 220v max output 180 amp welder. a friend made the recommendation of using a dryer outlet for power but from my limited electrical knowledge it seems like that...
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