We have a 50'x100'x22' barn with 2 rows of 3 lights and it is an operating room. Totally lit up with these LED. I have attached a cutsheet for the fixtures. Good luck.
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Originally posted by 8mpg View PostWhat are your goals? Storage vs a work area need different amounts of lighting. I had a guy do a professional light design and in my work area (35x35) I have 12 LED Highbay lights. The storage area 50x15 uses 4' led tube fixtures. The bright light is very nice in the work area.
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If you knew how bright you wanted it(in Foot Candles) and which fixture I could do a quick lighting design for you.
for example, if you want 30FC with this fixture you would need 9 fixtures:
Buy MaxLite BLHE2-090DUF-50 90W 1x2 LED Linear High Bay, 250W MH Retrofit, 0-10V Dimmable, 11294 lm, 5000K on HomElectrical.com. Take advantage of FREE SHIPPING.
If you bump it up to the 135W version you'd just need 6 fixtures.
FWIW, 30FC is on the high end of what most commercial warehouses are designed for. 40-50FC is office lighting and I've seen a lot of manufacturing in that range or even lower. For very detailed work you might want 100FC. But I think if you went 30 and then added a couple of low hanging strip lights over work tables/areas you would be good.
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If it's more workshop than barn and you want it plenty bright then to get to 50 foot-candles you would need 9 of the 162W version. This is just an example with this particular fixture because I've been working on a design for a egg processing plant this week with this particular fixture but if you find other fixtures with similar lumen outputs it would be very close as far as fixture counts in a small enclosed area like this.
180,000 total lumens in the shop would be over 50FC
100,000 total lumens would be around 30FC or so
This assumes the walls/ceilings are fairly reflective and not painted black
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Originally posted by Lungbustr View PostI bought my dad 20 of these lights for Christmas, 2 10 packs. It was plenty for his 50x40 metal building. That's 90,000 lumens of light.
They are linkable up to 10 fixtures and come with the wiring to link them together. So it saved a bunch of money on wiring.
https://www.samsclub.com/p/linkable-...lp_product_1_4
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Originally posted by friscopaint View PostGet led bulbs for the lights, have to isolate the ballast.
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Originally posted by Phorizt View Postbe careful if using direct wire ballast bypass LED tubes(Type B). Lots of people have safety concerns over those. The existing lamp holder sockets are designed for low voltage so higher voltage direct to the sockets could cause them to fail, melt, catch fire etc not to mention the shock hazard in the future if someone isn't aware of the line voltage going to the socket. It's the cheapest option but lots of companies we work with will not install them in any of their facilities due to safety concerns. Oncor and many other utilities do not approve of them for their rebate programs either.
range start up which is much higher than the 120v required for LED tubes.
My problem is what is the output voltages of them after startup? I know it's gonna be lower but is it still higher than 120v? If so then the statement about potential tombstones melting, fail,etc is not accurate. I'm just trying to figure where Oncor and other utilites got their info from. I'm not sure myself but it's interesting cause LED tubes are being installed everywhere and ballasts bypassed. I myself have changed out several for customers.
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Originally posted by Phorizt View PostIf you knew how bright you wanted it(in Foot Candles) and which fixture I could do a quick lighting design for you.
for example, if you want 30FC with this fixture you would need 9 fixtures:
Buy MaxLite BLHE2-090DUF-50 90W 1x2 LED Linear High Bay, 250W MH Retrofit, 0-10V Dimmable, 11294 lm, 5000K on HomElectrical.com. Take advantage of FREE SHIPPING.
If you bump it up to the 135W version you'd just need 6 fixtures.
FWIW, 30FC is on the high end of what most commercial warehouses are designed for. 40-50FC is office lighting and I've seen a lot of manufacturing in that range or even lower. For very detailed work you might want 100FC. But I think if you went 30 and then added a couple of low hanging strip lights over work tables/areas you would be good.
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40'x40'x16' shop.
Five 4 lamp high bay LEDs on the 16' ceiling (16'400 equivalent lumens each). Four 2 lamp LEDs under the loft (5700 lumens each). Two single tube LEDs above the loft. All lights except the two single lamp fixtures came from Prime Lights out of Austin. Call them they will do their best to meet your needs and budget.
https://www.primelights.com/?gclid=C...IaAtNKEALw_wcB
Sent from my SM-G935R4 using Tapatalk
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