All Questions
Tagged with fluorescent-lamp led
8 questions
6
votes
2
answers
1k
views
What is LED starter?
What exactly is LED starter?
The producers ship it with only a vague explanation that it is needed to replace the original fluorescent tube starter when replacing the fluorescent tube with its LED ...
- 161
1
vote
2
answers
260
views
How much more energy-efficient is it to remove the magnetic ballast for an LED tube?
The diagrams for the GE T8 tubes have these alternative retrofit circuit diagrams:
On this website, 9W in Starter, it states:
....with a further ~9 Watts lost in the magnetic ballast...
I have ...
- 113
0
votes
1
answer
129
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How can you use ballast-powered flouresecent lamp outputs to power LEDs?
We have a 2G11-socket 36W germicidal UVC lamp in our air ducts (Honeywell UC36W1006), and since UV-C LEDs are readily available, I thought maybe I could make a PCB with a bunch of UV-C LEDs on it as a ...
- 2,200
0
votes
1
answer
60
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Alternative (LED?) for F25T8/350BL fluorescent tube [closed]
I have a bug light that uses a couple of F25T8/350BL fluorescent tubes. The bulbs are on their way out, and the price for replacements is ridiculous.
They are about 18" in length, and 1" in ...
- 49
0
votes
3
answers
1k
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Can an LED "fluorescent replacement" tube be powered without a ballast?
Two high-rep answers seem to have made the same misunderstanding, so to clarify:
My LED replacement tubes DO work with an existing, unchanged magnetic ballast. 2 fluorescent tubes out, 2 LED tubes ...
- 5,806
1
vote
5
answers
4k
views
Rated vs. actual power usage of a linear fluorescent lamp
After having some power issues, I've decided to investigate the largest power drains in our company, and I've arrived at a realization that 128 lights adds up to a lot of power (and that's not even ...
- 155
1
vote
1
answer
343
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Why small LED or CFL lamps usually has better PF than bigger one?
Some peoples recommend using small LED or CFL lamps in home rather than using big lamps, because they has better Power factor than big lamps,
For example if you need 80 W Lamp in your room, it is ...
- 1,940
3
votes
1
answer
330
views
Improvized small aquarium lighting
I have a small aquarium that has been illuminated so far by a 15W fluorescent lamp. The problem is that the ballast has broken (melted) after 2 years of use, and the only replacements I could find on ...
- 133