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Old 01-31-2010, 07:17 AM   #16
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When you use #12 for lighting circuits the electrons flow too quickly resulting in brighter light. Install a dimmer and you'll be fine.

Speaking of dimmers, 9 cans @ 75 watts each is 675 watts. Keep in mind that you need a 3way, 1000W dimmer and that it will get hot.
I know this was posted over a year ago but this is completely incorrect...the #12 gauge wire will have a less appreciative voltage drop than the #14 wire...the electrons will flow at the same speed as in the #14 wire but there will be less resistance in the #12 wire...hence less voltage drop...also that wire has better over current protection than the #14...i couldn't stand to read that and no one fully correct him...sorry
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Old 01-31-2010, 08:08 AM   #17
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...i couldn't stand to read that and no one fully correct him...sorry
I think it is safe to say 220/221 was making fun on this one. Notice the whistling smiley?


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...also that wire has better over current protection than the #14
I'll comment myself on this. This is totally wrong in itself.
#12 DOES NOT have "better" overcurrent protection. How can you possibly say that? Just because #12 can carry 5 more circuit amps than #14?

Overcurrent protection is based on the circuit conductors. None is any "better" than the other.
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Old 01-31-2010, 10:04 AM   #18
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I think it is safe to say 220/221 was making fun on this one. Notice the whistling smiley?


I'll comment myself on this. This is totally wrong in itself.
#12 DOES NOT have "better" overcurrent protection. How can you possibly say that? Just because #12 can carry 5 more circuit amps than #14?

Overcurrent protection is based on the circuit conductors. None is any "better" than the other.
Sorry i guess what i MEANT to say is it has the ABILITY to carry more current without overheating...the breaker is the over current protection device

That was an incorrect correction on my part
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Old 01-31-2010, 12:18 PM   #19
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>>> ... what difference does ...

If the circuit feeding the lights is 20 amp then all the wiring in that circuit including the lines going from one light fixture to the next have to be at least 12 gauge. (The 12 inch or so thinner wires going from the junction box to the lamp socket don't have to be 12 gauge.)
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Last edited by AllanJ; 01-31-2010 at 12:21 PM.
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