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LED shop lighting

Atmartin23

New member
Joined
Nov 17, 2015
Messages
2
Hello, I've been a lurker on here for quite some time soaking in all the good information. I do woodworking as a hobby and recently moved to new home with a dedicated shop this past December. The previous owner used the space to build a hot rod but really didn't finish the interior. The shop is 19x25 with 10' ceilings. Since moving in, I've updated the power from 60 amps to 100 amps, added 220v outlets, drywalled, mudded, and painted. Now I'm in the process of installing lights. After reading numerous threads I did the layout in sketchup. Then priced out the lights. I liked the LEDs but didn't want to buy a fluorescent fixture then cut the ballast out for the by-pass LEDs. So I made them. I bought some 2x4 and cut a 20 degree taper on both sides so the LEDs weren't pointing directly down, primed it and mounted an electrical box on one end then bought the tombstones off Amazon for 50 cents each. It worked great! I haven't bought the LEDs yet but used some I had on hand.

This gets me to my question....these LEDs are directional (unlike fluorescents that give off light 360 degrees). There are 2 different LEDs I'm considering (1) 5000k, 2200lm, 120 degree or (2) 5000k, 2000lm, 240 degree. Both are available on beeslighting.com

I'm thinking the LED with the larger arc would be better because the light would reflect off the ceiling and give more even light distribution throughout regardless of having lower lumens. Thoughts?

Here's a few pictures. I installed 2 fixtures tonight with the 4 bulbs I had on hand which represent 2200lm and 120 deg arc. The ceiling and walls were painted with a grayish white exterior semi gloss. I plan the paint the floor gray using epoxy coat which is supposedly a high gloss finish.
 

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ALinCarolina

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Joined
Dec 29, 2014
Messages
757
Location
NC Piedmont
I am going through the same thoughts and am planning on probably the same bulbs you are considering. I talked to Bee's yesterday about beam angles. They confirmed what I thought: it depends on the height of your ceiling and to some extent on how close together the fixtures are. My shop will have a section of flat 10 ft. ceiling and a much higher vaulted ceiling area. For both I think the 120 degree will be the choice.
Since you have angled the mounting surface I think even more so that the 120 will be your best choice. In your last photo it appears that there is enough spread to have light reflected off your ceiling so using the 240 will waste light that could be better directed. If I was you though I would order a couple of 240 lights anyway and try them side by side with the 120 fixtures.
 
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nsula_country

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Joined
May 23, 2013
Messages
1,534
Location
Northwestern Louisiana
I am thinking 120* beam angle would be a better choice in a non-reflector fixture. I would think that a 240* could be useful in a reflector fixture.

I like your fixtures. VERY CREATIVE! A+!!! You have me thinking about my lighting project now. I had planned to buy 24 (T8 8' Tandem) fixtures and 96 T8 fluorescent lamps for my shop next week... I could manufacture 48, fixtures like you have and buy 96 LED lamps for about the same price...

The only problem I see is a huge potential FIRE HAZARD! I will think on this over the weekend and ponder the pros/cons of a UL listed fixture and a wooden DYI fixture. I'm not bashing you here, not at all... Actually I am very impressed at the design! Just concerned about what happens when a fixture burst into flames at 16'-20' in the air (my ceiling height).

CT
 
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cybrdyke

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Joined
Sep 9, 2014
Messages
3,442
Location
USA
Why they dont make wooden light fixtures:

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