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Old 06-10-2010, 12:41 PM   #1
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Length of a wire run.


How far can I run 14ga wire in conduit to serve 2 150 watt spot lights.

I want to run wire 170 feet through metal conduit to serve 2 150 watt spot lights is 14ga sufficient or do I need 12ga. Would it make a difference if I used only 1 150 watt light?

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Old 06-10-2010, 12:45 PM   #2
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Length of a wire run.


14g wire will work for 170' & 300w load, 2% voltage drop at that distance
I'd use CFL's myself

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Old 06-10-2010, 12:45 PM   #3
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Length of a wire run.


If the two lights are all that are on the circuit, #14 will work, but for a little additional expense, I would go ahead and run #12.
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