LED Lighting Conversion

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A. Spruce
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LED Lighting Conversion

Post by A. Spruce » Mon Feb 05, 2018 3:17 pm

Shannon did a video not long ago on changing fluorescent fixtures to LED, but only covered those that have an electronic ballast, which equates to a direct swap of the bulbs and no fixture modifications.

What about older fixtures that don't have electronic ballasts?

In my neck of the woods, incandescent bulbs have gone the way of the dodo, and fluorescents are not far behind. I already can't find suitable fluorescent bulbs for the kitchen and it looks like a ballast is about to let loose in one of the fixture anyway.
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jeb101
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Re: LED Lighting Conversion

Post by jeb101 » Mon Feb 05, 2018 3:50 pm

Edit: My idea was not really the right approach.
Last edited by jeb101 on Mon Feb 05, 2018 9:26 pm, edited 1 time in total.

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Re: LED Lighting Conversion

Post by emtnut » Mon Feb 05, 2018 4:26 pm

A. Spruce wrote:
Mon Feb 05, 2018 3:17 pm
Shannon did a video not long ago on changing fluorescent fixtures to LED, but only covered those that have an electronic ballast, which equates to a direct swap of the bulbs and no fixture modifications.
What about older fixtures that don't have electronic ballasts?
I'm pretty sure those retrofits work on both ballasts. But I wouldn't use it... It will just end up failing on you.
You can upgrade the ballast, but I'd go with a line voltage LED tube. Install is really basic, and no need for any ballast at all.

I haven't ordered from these guys, but the electricians on a site I'm on seem to like them ...https://www.1000bulbs.com/product/20010 ... 10023.html

instructions here ... https://a89b8e4143ca50438f09-7c1706ba3f ... 1507820059

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Re: LED Lighting Conversion

Post by A. Spruce » Mon Feb 05, 2018 4:32 pm

emtnut wrote:
Mon Feb 05, 2018 4:26 pm

I'm pretty sure those retrofits work on both ballasts. But I wouldn't use it... It will just end up failing on you.
You can upgrade the ballast, but I'd go with a line voltage LED tube. Install is really basic, and no need for any ballast at all.
I was told by a handy helper at ACE Hardware the same thing, remove the ballast to use standard LED tubes. While I think that the ACE people are more inclined to know their stuff, I'd still rather get this sort of info from more trusted sources, you know, my fellow HI guys! :mrgreen:
emtnut wrote:
Mon Feb 05, 2018 4:26 pm
Gotta go ... I found a new football channel that I'm watching 8-) :lol: :mrgreen: :mrgreen:
And here I thought you were a hockey fan! :mrgreen:
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Re: LED Lighting Conversion

Post by emtnut » Mon Feb 05, 2018 4:43 pm

A. Spruce wrote:
Mon Feb 05, 2018 4:32 pm

I was told by a handy helper at ACE Hardware the same thing, remove the ballast to use standard LED tubes. While I think that the ACE people are more inclined to know their stuff, I'd still rather get this sort of info from more trusted sources, you know, my fellow HI guys! :mrgreen:
emtnut wrote:
Mon Feb 05, 2018 4:26 pm
Gotta go ... I found a new football channel that I'm watching 8-) :lol: :mrgreen: :mrgreen:
And here I thought you were a hockey fan! :mrgreen:
I'd recommend changing the tombstones anyways, but if you want to keep the old ones, make sure they are non-shunted (that's explained in the link)
They tend to dry up and become brittle. Worth the few more $$ to change em out ;)


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Re: LED Lighting Conversion

Post by A. Spruce » Mon Feb 05, 2018 4:50 pm

Looks like I got some reading to do. :mrgreen:
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Re: LED Lighting Conversion

Post by Aaron » Mon Feb 05, 2018 4:53 pm

emtnut wrote:
Mon Feb 05, 2018 4:43 pm
I'd recommend changing the tombstones anyways, but if you want to keep the old ones, make sure they are non-shunted (that's explained in the link)
They tend to dry up and become brittle. Worth the few more $$ to change em out ;)
They get brittle because fluorescent lights themselves emit UV wavelengths that oxidizes the plastic. So yeah, change them out and hopefully you'll never have to do it again with LED bulbs. They're super easy to change out.

I was hoping in Shannon's most recent video he was going to put up a fluorescent fixture with direct-wire LED bulbs (bypassing the ballast). If you're installing new strip lights, I wouldn't even bother buying new traditional fluorescent fixtures with ballasts. They're old school and they will go away in a few years.

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Re: LED Lighting Conversion

Post by Shannon » Mon Feb 05, 2018 7:47 pm

We are working on shooting one with bipassing the ballast, just have not shot it yet.
Be sure if you are doing this that you have the non-shunted tomb stones. You can check this with a multi meter using the continuity setting. There should be no continuity between the two sides of the tomb stone.
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Re: LED Lighting Conversion

Post by Aaron » Mon Feb 05, 2018 9:25 pm

Actually in some cases it doesn't matter if the tombstone is shunted or not. Many ballast-bypass direct AC LED tubes that go into fluorescent sockets are configured such that the hot is on one end of the fixture, and the neutral is on the other end. It doesn't even matter which end of the tube goes where (it's not polarity sensitive).

On these type of tubes, the dual pins on each end are shunted internally in the LED tube, so even if only one pin is making electrical contact with one side of the tombstone, the pin's mate is also energized on the "dead" side of the same non-shunted tombstone.

To make extra certain your LED tubes make good electrical contact, you can easily convert a non-shunted tombstone to a shunted one but just inserting a short piece of 18 gauge wire between the two holes (the non-shunted ones usually have two holes on each side). That jumper becomes the shunt.

I love the direct wire LED retrofits... they're slicker than snot. :D I've converted a few of them in my basement and I'm VERY happy with them.

Be sure to understand the wiring diagram that comes with the tube, though! There are ones where you need the non-shunted tombstones so that you put hot on one side and neutral on the other side of the tombstone. In those cases, the tombstone on the other end of the tube is just a dummy that holds the tube up.

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Re: LED Lighting Conversion

Post by Admin » Tue Feb 06, 2018 12:14 am

The 1000 bulbs link isn't loading for me. I just upgraded five 8-ft T12 tube fixtures to LED. Of course they have the easy single pins on each end, but they came with new tombstones. Depending on your bulbs or kit, it just might come with the right tombstones. I chose to not use the new ones anyway because the old ones seemed to be porcelain and the new ones were super cheap plastic. This is the kind where you remove the ballast. Just wire the black to all the wires on one end and the white to all the wires on the other end and you're done.

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Re: LED Lighting Conversion

Post by emtnut » Tue Feb 06, 2018 7:31 am

Admin wrote:
Tue Feb 06, 2018 12:14 am
The 1000 bulbs link isn't loading for me. I just upgraded five 8-ft T12 tube fixtures to LED. Of course they have the easy single pins on each end, but they came with new tombstones. Depending on your bulbs or kit, it just might come with the right tombstones. I chose to not use the new ones anyway because the old ones seemed to be porcelain and the new ones were super cheap plastic. This is the kind where you remove the ballast. Just wire the black to all the wires on one end and the white to all the wires on the other end and you're done.
Maybe the site was down last night ?? I just tried it again, seems to work here.
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Re: LED Lighting Conversion

Post by Aaron » Tue Feb 06, 2018 11:08 am

I just ordered mine from Hyperikon. They may not have the color temps you want, though. I got really cold 5000k ones for my basement which, besides the garage, is the only place I would ever want that temp of light.

There is about a quarter-second of delay before the light goes on when you flip the switch. This doesn't bother me whatsoever. But reading some comments, it really bugs some people--not sure why.

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Re: LED Lighting Conversion

Post by Admin » Tue Feb 06, 2018 12:02 pm

Hyperikon is the brand that I just got. I went for 4000K, mine have that same slight delay when turning on. No big deal.

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