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branch circuit

  1. Vehicle charger receptacle circuit

    General Electrical Discussion
    I have a customer that wants a 50A receptacle outlet for a vehicle car charger. (I have not installed a branch circuit for a car charger yet.) I am trying to go over the requirements now in the NEC. - I was under the impression that a branch circuit for a car charger had to be GFCI protected but...
  2. Residential aluminum branch circuit wiring

    General Electrical Discussion
    Hello sparkys, I recently received a call from one of my real estate agents who had a house inspected by a home inspector and determined that the house had branch aluminum conductors serving outlets, switches, lights ect. I am a new one man contractor. Most of my experience was in Commercial...
  3. Branch Circuit Derating

    NEC Code Forum
    Now that code requires separate neutrals for each branch circuit (unless 2P/3P breaker) how many circuits do you install in a conduit? Per Table 310.15B3a more then 10-20 current carrying conductors require a 50% adjustment factor. Since the individual neutral conductors are no longer carrying...
  4. Tap Rules (for branch circuits)

    General Electrical Discussion
    I have a potential customer that has a range (or oven) with a wire for a hood fan above it. - They wanted to get a new microwave hood to put in place of the old hood fan. I suggested they run a new circuit because the old hood fan appeared to be on the kitchen receptacle circuit with all the...
  5. Range Branch Circuits

    Residential Electrical Forum
    Hi. First I would like to say this is the most responsive forum I have been on and i would like to thank all of you knowledge tradesman, with that being said, I have a question. I was checking over my sheet and noticed some things. My teacher did not really clear this up for me, but, i know...
  6. Motor branch and feeder sizing tutorial?

    General Electrical Discussion
    Does anyone know a good on-line tutorial for sizing motor circuits? I'm looking for the usual stuff, hopefully with relevant tables included: 1. FLC 2. Wire size of branch 3. Branch OCPD rating 4. Motor Overload protector rating or setting 5. Wire size of feeder if multiple branches 6. Feeder...
  7. potential load cal

    Residential Electrical Forum
    on one circuit of recepticals how do you measure the full potentail load, is it full load for the first receptical then half for the next then quarter for the rest?
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