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Old 08-27-2007, 06:55 AM   #1
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Recessed Lighting - How many per 20amp circuit


How many 65w light's can I put on a sinlge 20amp circuit?

I will be adding 2 string's of 4 (each on their own dimmer). Should I feed each dimmer with a seperate circuit (I have the space) or use 1 circuit for all 8?

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Old 08-27-2007, 08:12 AM   #2
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Recessed Lighting - How many per 20amp circuit


IIRC it's about 10 lights per 20 amp breaker

The Dimmers have a wattage rating (typ. 600w IIRC)

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Old 08-27-2007, 08:14 AM   #3
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Recessed Lighting - How many per 20amp circuit


Yes, but he dimmer switch also has a limitation...most are in thre 600 watt range. And you really don't want to max out that switch.

Last edited by JGarth; 08-27-2007 at 08:17 AM.
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Old 08-27-2007, 08:28 AM   #4
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Recessed Lighting - How many per 20amp circuit


Use one circuit for all 8. You're talking about less than 5 amps load for 8 lights.
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Old 08-27-2007, 08:36 AM   #5
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Recessed Lighting - How many per 20amp circuit


Each string (2 string's each with 4 - 65w light's) will be on it's own dimmer (600w rating).

So, if I am reading correst, I can feed each dimmer from 1 - 20amp circuit. Each dimmer will have 4 - 65w can's conected to it.

If I do this, I will be ok?
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Old 08-27-2007, 08:47 AM   #6
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Recessed Lighting - How many per 20amp circuit


You are NOT reading it correctly...
ONE 20amp ckt is sufficient......
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Old 08-27-2007, 09:12 AM   #7
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Recessed Lighting - How many per 20amp circuit


I guess the way I was typing it was different then the way it came out but that was my understanding.

I am good now, a single 20amp circuit for 8/9 65w recessed light's (fed by 2 dimmer's) will be sufficient.

Thanks for the info!
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Old 08-27-2007, 09:16 AM   #8
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Recessed Lighting - How many per 20amp circuit


Kind of...

not fed by two dimmers,

SWITCHED with two different dimmers.
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Old 08-27-2007, 09:18 AM   #9
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Recessed Lighting - How many per 20amp circuit


I will get the "lingo" right one of these day's!

Thank god someone is doing this for me (friend who is retired electrician)!

I am sure he know's, but not as available as people on these board's and I like knowing myself also.

Thanks again!
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Old 08-27-2007, 05:34 PM   #10
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Recessed Lighting - How many per 20amp circuit


Your allowed 2400 watts on a 20 amp circuit... and you could always buy 1000 watt dimmers if needed...

Personally, I would have saved myself some money and wired everything in 14awg...

And just so your aware, you could have (9) 65watt lamps on a single 600w dimmer...

Last edited by chris75; 08-27-2007 at 07:16 PM.
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Old 08-27-2007, 05:36 PM   #11
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Recessed Lighting - How many per 20amp circuit


Quote:
Originally Posted by JGarth View Post
Yes, but he dimmer switch also has a limitation...most are in thre 600 watt range. And you really don't want to max out that switch.

If its rated for 600watts what would be the problem in maxing it out?

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