[Shop-talk] Replacement florescent bulbs F42T6

[Pat Horne]

It’s built in. There is a circuit on the end. 
Take a look @ this information 

https://www.primelights.com/collections/bulbs/products/t8-led-bulb-22-watt-clear-case-of-30-plt84dw-22wcl
And

https://www.primelights.com/collections/bulbs/products/4-t8-led-bulb-18w-no-ballast-bypass-50-000-hours-pl-t8led18-dr

Peace,
Pat

Pat Horne 
We support Habitat for Humanity


On Feb 6, 2021, at 12:16 PM, Bob Spidell <bspidell at comcast.net> wrote:

 Makes sense. It's been a couple years, and my memory's fuzzy, but now I remember I had a couple bad ballasts and, since I had to replace them I got LED-compatible ones and installed LED tubes (T12 IIRC).

LEDs must need something, at least according to the ones I'm familiar--they're used in rectifiers--need DC current (probable at 5 or 12V).


On 2/6/2021 9:08 AM, Pat Horne wrote:
> Bob, it’s not that LEDs need a special ballast, they usually don’t need any ballast, but that some of them will work with a fluorescent ballast & some not. The ones I use take 120-270v directly to the lamp. 
> 
> Peace,
> Pat
> 
> Pat Horne 
> We support Habitat for Humanity
> 
> 

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