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Thread: Basement subpanel issues

  1. #16
    Electrician Chris75's Avatar
    Join Date
    Aug 2007
    Litchfield, CT


    Quote Originally Posted by drick View Post
    >>Why is the answer always so easy, yet so hard.

    Try not to fall asleep reading article 220 ZZZZZZZzzzzzzzzzz. Oh, sorry I accidentally flipped to page 102.

    I think you skipped a math class somewhere jwelectric if you actually think the 30A breaker is going to trip.
    1200W Heat +0.25 (that is your only continuous load) = 1500W
    1100W for the treadmill (noncontinuous load ) = 1100W
    that leaves 1000W for a single guest bedroom! You could hook up a 50 inch plasma TV and have a 500w lamp on your nightstand (better tell the guests to bring their sun shades) and that breaker will still hold!

    However, if you throw in the fact that your not supposed to exceed 80% capacity on the #10 then things do start to get a little too tight. The breaker will still not trip though.

    Sure... I think you skipped a few electrical classes, but what do I know?

  2. #17


    Thanks for all the help. I think I have it sorted out.

  3. #18


    Quote Originally Posted by jwelectric View Post
    215.2 Minimum Rating and Size.
    (A) Feeders Not More Than 600 Volts.
    (1) General. Feeder conductors shall have an ampacity not less than required to supply the load as calculated in Parts III, IV, and V of Article 220. The minimum feeder-circuit conductor size, before the application of any adjustment or correction factors, shall have an allowable ampacity not less than the noncontinuous load plus 125 percent of the continuous load.

    All this bull you are being told means nothing. Your asnwer lies above
    Best advice yet
    My answers are based mostly on the ICC codes. Advice given is my personal opinion and every person performing work should acquire a permit from his/her jurisdiction and get the work inspected. My opinions are not directions to follow for DIYs or professionals

  4. #19
    Electrical Contractor/Instructor jwelectric's Avatar
    Join Date
    Jun 2007
    North Carolina


    Quote Originally Posted by jar546 View Post
    Best advice yet
    Thank you for the kind words although now my hat wont fit my head

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