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NEW PROJECT - Lighting for 30 x 31.5 garage

Posted on 2/26/20 at 9:54 am
Posted by CAD703X
Liberty Island
Member since Jul 2008
86739 posts
Posted on 2/26/20 at 9:54 am
Mostly a box but its below ground level so there's a drain pipe I have to work around.

Been thinking of going COMPLETELY overboard with the lighting because..frick a dark garage.

I am thinking of buying this:

(Pack of 12) 8ft LED Utility Shop Light Fixture, 72W 7200 Lumens 5000K Daylight White Tube Light, High Output, V Shape T8 Integrated 8 Foot Led Bulbs for Garage, Warehouse, Grocery, Clear Cover



If my math is correct thats NINETY-SIX FEET of operating-room grade supernova sunshine ready to be pumped into my garage. Not a bad price @ $250ish total. I would spend more than that trying to install individual shop lights.

I've done some quick measurements and I think I can swing six rows of 2 lights (16') spaced 4' apart without running into any problems with garage door brackets or the aforementioned drain pipe. I'm planning to daisy-chain 4 lights to each socket. You can buy a package of extension cords for this set for like $20.

There are 5 bulbs now (see pic below) which don't do jack for lighting. This pic was taken AT NOON ON A CLOUDLESS DAY. I removed one of the fixtures to try out that shop light (leaning against tool cart) i picked up at costco. Nope, the light from that is not going to cut it.

I'm having a guy come out to fix the ceiling drywall this week and then I'm going to install the lights but wanted to double check my math before I bought anything.

Pros or cons to this approach? Other options? I don't want to pussy-foot around on the lighting. The next step will be complete repainting and floor seal/epoxy.

(itneverrains, yes i did get a quote from ubaldo on the garage floor sealing)




This post was edited on 2/26/20 at 10:01 am
Posted by Clames
Member since Oct 2010
17766 posts
Posted on 2/26/20 at 10:02 am to
Can't have too much lighting, I put three LED fixtures in my shop so more that 9k lumens in about 200 sqft. I would keep a spare module in hand though and install them with the intent of being able to replace if needed, import LED modules are cheap for a reason and that 50,000 hour life span ain't happening.
Posted by CAD703X
Liberty Island
Member since Jul 2008
86739 posts
Posted on 2/26/20 at 10:08 am to
quote:

Can't have too much lighting, I put three LED fixtures in my shop so more that 9k lumens in about 200 sqft. I would keep a spare module in hand though and install them with the intent of being able to replace if needed, import LED modules are cheap for a reason and that 50,000 hour life span ain't happening.


i'm a bit worried about putting 72 watts x 12 = 864 watts on the same circuit. is that going to be an issue even if using separate boxes?

eta i did hang a chandelier with 18 60w bulbs in my house that did ok (except it functioned as a room heater) and the only issue was i couldn't find a dimmer that could handle it so maybe this will be ok.
This post was edited on 2/26/20 at 10:10 am
Posted by eng08
Member since Jan 2013
5997 posts
Posted on 2/26/20 at 10:17 am to
Amps are more of a concern vs watts for me.

With led your amps will likely be ok
Posted by slacker00
Member since Mar 2011
589 posts
Posted on 2/26/20 at 10:18 am to
What else is on the same circuit? That's less that 10 amps for the lighting (watts/volts = amps).
Posted by CAD703X
Liberty Island
Member since Jul 2008
86739 posts
Posted on 2/26/20 at 10:23 am to
quote:

What else is on the same circuit? That's less that 10 amps for the lighting (watts/volts = amps).


i'll check. i'm thinking the garage door mechanisms are on a separate circuit (surely right?).
Posted by MoarKilometers
Member since Apr 2015
19813 posts
Posted on 2/26/20 at 3:26 pm to
quote:

i'm a bit worried about putting 72 watts x 12 = 864 watts on the same circuit. is that going to be an issue even if using separate boxes?

Even if it were on a 10 amp circuit, you're not over the 75% rule. I've hooked up more than 1 home with a 1000w hps light on a 15 amp with 0 issues. Even added a couple fans and water pump on those 15a. Basically I'm saying you should be fine operating a garage door, if they were on a 15 amp circuit together. Now if you throw in something like a garage refrigerator, also on the same circuit, you may see an issue arise lol.
Posted by lsutiger2010
Member since Aug 2008
14790 posts
Posted on 2/26/20 at 4:34 pm to
(no message)
This post was edited on 10/19/21 at 7:15 am
Posted by KK
US
Member since Nov 2010
65 posts
Posted on 2/26/20 at 4:41 pm to
Don't know if you would be interested in these LED lights from Ubiquiti...

Ubiquiti LED Lighting
Posted by Clames
Member since Oct 2010
17766 posts
Posted on 2/26/20 at 5:10 pm to
quote:

Amps are more of a concern vs watts for me.


Yeah, wonder what the VARs will be with that many LED fixtures.
Posted by CAD703X
Liberty Island
Member since Jul 2008
86739 posts
Posted on 2/26/20 at 5:14 pm to
Fascinating. I have ubiquiti broadcast dishes using PoE but never knew they did lighting.
Posted by CAD703X
Liberty Island
Member since Jul 2008
86739 posts
Posted on 2/26/20 at 5:17 pm to
This was posted in description

quote:

Voltage 100305 volts


Is that a misprint?
This post was edited on 2/26/20 at 5:18 pm
Posted by slacker00
Member since Mar 2011
589 posts
Posted on 2/26/20 at 7:36 pm to
Yes, that's a typo. The product says 120 Volts in several places. Of course you have 110 but that just means our calculation for amps is slightly off (your house is 110 and 220). Either way the question remains what else is on the same circuit?

If the garage receptacles are all on the same circuit with the lights AND you want to run something that draws a lot of power (a freezer, compressor, window A/C, some power tools, etc) then you might have to take a closer look to make sure you won't have any issues. If the lighting circuit is separate from the outlets then there are no worries, full steam ahead.
Posted by dakarx
Member since Sep 2018
7839 posts
Posted on 2/27/20 at 7:46 am to
CAD, if you go with those lamps besure to report back how they do. Need to redo the lighting in my garage that has been converted to a woodshop. Fluorescent T12s are getting rare and need to be replaced.
Posted by CAD703X
Liberty Island
Member since Jul 2008
86739 posts
Posted on 2/27/20 at 8:35 am to
Will do. One thing I'm good for around here is waxing eloquent about crap nobody cares about.
Posted by seeinspots
Baton Rouge
Member since Apr 2014
1101 posts
Posted on 2/27/20 at 8:53 am to
Says not to connect more than five at a time. Im not an electrician but would that suggest they should be on different circuits? Looks good though. My workshop is currently being built so Im curious how these work. I haven’t even started looking at lighting just yet.
Posted by CAD703X
Liberty Island
Member since Jul 2008
86739 posts
Posted on 2/27/20 at 9:02 am to
I think they're ok on the same circuit; you just can't daisy chain more than 5 together.
Posted by Aristo
Colorado
Member since Jan 2007
13292 posts
Posted on 2/27/20 at 9:31 am to
My garage is 24 ft. by 30 ft. I bought 3 of the 2x4 LED light fixtures from Home Depot and have plenty of light. I'd imagine you having 5 of them would be even better.
Posted by Cypressknee
Member since Jul 2017
1411 posts
Posted on 2/27/20 at 9:38 am to
Not here to add much but I can say myself along with a bunch of friends have ordered that style from Ledmyplace. That website seems a little more expensive than your link but same style. We all love the lights. Stupid simple to install also.
Posted by TexasTiger34
Austin, Kind of
Member since Mar 2008
11344 posts
Posted on 2/27/20 at 3:07 pm to
i just put 3 of these in my 4 car garage and it's brighter than daylight in there now
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