Adding lights on the same circuit as garage door opener

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Topic by Russ Johnson posted 02-10-2011 04:12 AM 4381 views 0 times favorited 3 replies Add to Favorites Watch
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Russ Johnson

1 post in 3437 days

02-10-2011 04:12 AM

Topic tags/keywords: garage question planning electrical parts

I have a 20amp circuit that has 16 60 watt lights, 2 outlets (in bedroom), 1/2 hp garage door opener. I want to replace 1 of the 60 watt lights with 4 4’ 40 watt 2 bulb fixtures. I think I’m ok with the load but want to confirm I’m correct.

Update the fixtures I want to install are 40 watt T12 Fluorescent fixtures.

-- Russ Johnson

View Todd Thomas's profile

Todd Thomas

735 posts in 4220 days

02-11-2011 01:59 AM

I’m not a sparky but sounds heavy to me…..

-- Todd- Oak Ridge, TN

View allmyfingers's profile


31 posts in 3420 days

02-27-2011 05:07 AM

use this formula to calculate amp load for general purposes
amp= watts / volts
100 watt light at 115 volts is .86 amps

-- caring costs nothing

View heenacruzl's profile


61 posts in 377 days

06-03-2020 03:20 AM

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