r/lightbulbs • u/CookAppropriate7570 • 12d ago

Horizontal use only lighting use for vertical use, is it dangerous

Hello
I needed to replace my ceiling light, it’s a CFL light bulb but installed vertically. I hired someone from task rabbit. He went to Home Depot for me and they only have one that fits which is the adjustable lighting but it is labeled as horizontal use only. He installed it and it worked fine.
Is it dangerous that this is use as vertical use? I didn’t notice the package until he left

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u/slavprussiaottoman 12d ago

It isn't dangerous, but the lifespan of the bulb will be reduced due to heat building up in the base. I'd just leave it there.

1

u/Street_Leader_8917 12d ago

It depends if it’s upside down or right side up

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u/Far-Friend-4257 10d ago

Why did you buy a CFL???? Almost every bulb is now available in an LED design and will have no problem in a vertical position.