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It is currently May 19th, '13, 10:52
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How many light bulbs per 20 amps breaker ?
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JohnD
Joined: Oct 5th, '11, 14:20
Posts: 25
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 How many light bulbs per 20 amps breaker ? Hi
I am looking to hook up 12 flood bulbs to one cable coming from the electric box. That shouldn't be a problem, should it?
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| Dec 27th, '11, 21:14 |
 
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Adam
Joined: Jun 24th, '11, 17:56
Posts: 176
Location: Merida Mexico
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Re: How many light bulbs per 20 amps breaker ? hi John
Whats the wattage of the bulbs?
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| Dec 27th, '11, 21:44 |
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JohnD
Joined: Oct 5th, '11, 14:20
Posts: 25
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Re: How many light bulbs per 20 amps breaker ? 100 w, I am thinking of installing decorative lights around a portion of my yard.
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| Dec 27th, '11, 22:10 |
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Adam
Joined: Jun 24th, '11, 17:56
Posts: 176
Location: Merida Mexico
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Re: How many light bulbs per 20 amps breaker ? If you are using a 20 amp breaker, 100 watt light bulb and 120 volt line, you would use the following. Remember, for safety you will only use 80% of the breaker capacity.
20A x 120v = 2400 watts x 80% = 1920 watts รท 100 watts = 19 bulbs
You are OK with 12 bulbs; just make sure to use at least # 14 wires.
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| Jan 31st, '13, 17:22 |
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