Wires in electrical box

Discussion in 'Electrical Forum discussion & Blog' started by toolguy504, Jul 29, 2009.

  1. toolguy504

    toolguy504 DIY Junior Member

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    Chalmette, Louisiana
    Is it correct that you do not count the wires from the fixture (in this case a light) when calculating the size box needed. Thanks. Earl
     
  2. ActionDave

    ActionDave Electrician

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    Fixture wires don't count. Devices-switches, recpts- do count.
     
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  4. toolguy504

    toolguy504 DIY Junior Member

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    Thanks ActionDave. That is what I thought. Earl
     
  5. Thatguy

    Thatguy Homeowner

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  6. hj

    hj Moderator & Master Plumber Staff Member

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    wires

    You mean the fixture wires do not take up any space. Anyway, here is the quote. Note the caveat about fixture wires.

    You can omit equipment-grounding conductors and up to four 16 AWG and smaller fixture wires from box fill calculations, if they enter the box from a domed luminaire or similar canopy (e.g., a ceiling paddle fan canopy) [314.16(B
     
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