Converted my fluorescent light fixtures to LED

[taylorjm]

The big thing to look at is the lumens the bulbs put out, since that is the measure of actual light the bulbs produce. Right now my shop has the 2 bulb 4' fluorescent bulbs at almost 3000 lm per bulb, so 6000 lumens per fixture. I've seen the led bulbs that can go to maybe 5000 lumans per fixture, but at 3x the cost, I can't justify it. Especially with 10 fixtures in the shop.

[john hall]

A few years ago we had the entire machine shop I work at converted to LED lighting. The power company sends out a guy to assess our lighting needs and then makes a proposal. Seems there was some sort of government assistance to encourage businesses to switch to LED lighting. His proposal showed that within a short time (3-4 years I think), we would save enough money on the power bill to pay for the conversion. After that it's all money in the bank. Power company sent in a 2 man contractor crew--they switched over every light in the plant and barely disturbed us at all. One guy could change a light over in 10-15 minutes.

I broke down and switched the farm shop to LED last year. The fixtures ranged from 15-50 years old. One guy swapped them over in a little over a day, essentially rewiring the entire fixture. Unbelievable the difference it made.

[Jeff in Pa]

Originally Posted by taylorjm

The big thing to look at is the lumens the bulbs put out, since that is the measure of actual light the bulbs produce. Right now my shop has the 2 bulb 4' fluorescent bulbs at almost 3000 lm per bulb, so 6000 lumens per fixture. I've seen the led bulbs that can go to maybe 5000 lumans per fixture, but at 3x the cost, I can't justify it. Especially with 10 fixtures in the shop.

According to the info, the frosted cover ones I got are 6500 lumens per bulb.

I had "too much light" and moved two further apart after converting them.

Here's what i purchased
https://www.ebay.com/itm/25X4FT-LED-...c_yU_H_1aYAFyw

10 bulbs $46
25 bulbs $104

[V30crewcab]

Just swapped out ten of my 8ft lights to led in my shop. its night and day difference. need to order another box and finish it . I can actually see in the shop now!

[taylorjm]

Originally Posted by Jeff in Pa

According to the info, the frosted cover ones I got are 6500 lumens per bulb.

I had "too much light" and moved two further apart after converting them.

Here's what i purchased
https://www.ebay.com/itm/25X4FT-LED-...c_yU_H_1aYAFyw

10 bulbs $46
25 bulbs $104

Sorry for replying to an old thread, but your link doesn't say they are 6500 lumens, it says they are at 6500k, which is the color rendering. 3000k is a warm white and the higher you go up to 6500k is a daylight. I've never seen a 4' led bulb that could come anywhere close to the lumens of a fluorescent bulb. Usually half of the light output.

[cheesedawg82]

I just replaced a couple of 8 footers arond the perimeter of the building at work with 42w l8t8b/850/42f/r17d part no 74539 made by a company called Topaz. $28 per bulb from the electric supply store.

It was simple, cut out the ballast, tie the wires from one side to the white, tie the wires from the other side to the black, put the cover on, add a sticker, and put the new bulbs in. It's like someone turned on the sun out there now, and I put one bulb in each two bulb fixture.

[ejl6658]

Originally Posted by Sam Mac

I replaced the screw in bulbs in my basement and part of my shop with these

https://www.amazon.com/Deformable-Ba...a-801816533886

Sam I see the style you purchased come in 60W and 100W. Did you use the 60W and are they pretty bright?

[taylorjm]

Originally Posted by ejl6658

Sam I see the style you purchased come in 60W and 100W. Did you use the 60W and are they pretty bright?

The 60w puts out 6000 lm. To give you an example, a typical 60w equivalent led light bulb puts out about 850 lm. A 100w led equivalent would be about 1200lm. So 6000lm would be quite a bit depending on the area you are trying to light up. The 100w would put out 10,000lm which is pretty crazy. That's close to the equivalent of some lights in a parking lot or those big sodium/metal halide type outdoor lamps.