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Thread: Proper termination of unused circuit

  1. #1
    Engineer garyl53's Avatar
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    Dec 2006
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    Colorado
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    Default Proper termination of unused circuit

    Hi,
    I am removing a whole house fan since we have air conditioning and never use the fan. The opening and louvres, although insulated, are letting too much heat and cold transfer and it looks ugly in our main hallway.
    What is the proper method to disable the current electrical feed to the fan and to the switch/speed control in the hallway. I am assuming the main feed goes to the fan first and then the speed control wiring comes from the main fan area down to the speed control although I haven't been up there yet.
    Any help is appreciated.
    Thanks,
    Gary

  2. #2
    DIY Member
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    Sep 2005
    Location
    portland, or
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    41

    Default

    trace the circuit backwards to the point at which it branches to the fan and switch.
    if the circuit doesn't continue on beyond the fan and switch, then undo the hot and neutral wires that branch to the fan and switch and leave them capped in the box.
    if there's more stuff past the fan and switch, then just take the switch out of the circuit (cap the hot switch feed in the switch outlet box).
    and always turn off the breaker before you start.
    note - i'm not an electrician.

  3. #3
    Electrical Contractor/Instructor jwelectric's Avatar
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    Jun 2007
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    North Carolina
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    2,523

    Default

    Quote Originally Posted by barrybpdx
    i'm not an electrician.
    None the less it was good advice and the same that I am giving

  4. #4
    Plumber Cass's Avatar
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    Nov 2005
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    Ohio
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    Default

    If the box cover or box itself ends up with a hole where there was a wire that you removed the hole needs to be covered / plugged properly.

  5. #5
    Engineer garyl53's Avatar
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    Dec 2006
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    Colorado
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    Default

    Thanks all for the answers.
    Gary

  6. #6
    DIY Senior Member Jeff1's Avatar
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    May 2006
    Location
    So Cal
    Posts
    102

    Default Why remove it?

    I have both A/C and a whole house fan and they complement each other very well. It has saved some $$ going to SCE. If it aint broke...

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