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  1. #1
    Join Date
    Oct 2012
    Location
    Houston, TX
    Posts
    295

    Default Just one fixture on a circuit, combine with another?

    Looking for some thoughts here as I keep upgrading my electrical. This weekend I found out I have a dedicated circuit for a ceiling fan in just one room, I am 99% sure there is nothing else on this circuit and plan to complete the investigation this weekend.
    Knowing this is pretty much pointless, my plan is to move this fixture to a circuit that has a smaller draw after moving some receptacles to a dedicated circuit.
    Since this is an older fan, are there any generally accepted rules on how many amps I should assume the fan will draw?
    It's this old house, not this built after your dad was born house.

  2. #2
    Join Date
    Jan 2011
    Location
    Columbiana, Alabama
    Posts
    720

    Default Re: Just one fixture on a circuit, combine with another?

    Function, if the fan does not have any lights it only draws about 65 W.

    The formula: Amps= Watts/Volts
    So, a 100W bulb draws 0.833 Amps (always assume a branch circuit is 120V)

    Without a bunch of lamps the fan might not be worth the effort to move to another circuit, just add more load to the fan circuit.
    Good Luck from Columbiana, Alabama
    Maurice Turgeon, Hidden Content

  3. #3
    Join Date
    Oct 2012
    Location
    Houston, TX
    Posts
    295

    Default Re: Just one fixture on a circuit, combine with another?

    Quote Originally Posted by The Semi-Retired Electric View Post
    Function, if the fan does not have any lights it only draws about 65 W.

    The formula: Amps= Watts/Volts
    So, a 100W bulb draws 0.833 Amps (always assume a branch circuit is 120V)

    Without a bunch of lamps the fan might not be worth the effort to move to another circuit, just add more load to the fan circuit.
    Thanks for the quick calculation.

    I thought of adding more to that circuit, but these are the circuits I am in the process of rebuilding/rewiring as most of my lower level lighting is on cloth wrapped 14 gauge with no ground. Long term I want to have that circuit grounded and on an AFCI.
    It's this old house, not this built after your dad was born house.

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