Asked by: Noris Santamaria
automotive motorcycles

What does 660w 250v mean?

Last Updated: 17th April, 2021

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Hi Joe, The light socket is marked 660w 250v because that is the maximum rating of the socket, however that does NOT mean that is the recommended or allowed size light bulb for that specific light fixture.

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Furthermore, can I use a 120v bulb in a 250v socket?

It only serves to pass the current from the wall to the light bulb. In your case, the fixture can handle any voltage up to 250V. You can use a 120V or a 240V bulb. The maximum voltage is simply the highest voltage that the fixture is rated to withstand, without arcing or breaking down in some fashion.

Also Know, can I use a 60 watt bulb in a 40 watt lamp? If you use a plastic socket and a traditional bulb larger than 60w the chance for heat to be created and melt the socket causing fire was very real. The heat created should not be enough to heat up the socket. I would say yes, it is OK to replace the 40w bulb with a 60w bulb using only 11w.

Keeping this in consideration, what does 660 watts mean?

If the OUTLET says 660 W, then it means that the maximum current that the outlet would tolerate is 660/120 = 5.5 Amps. Then, a 60 W light bulb would require a current of 0.24 A to run. This means that the outlet can tolerate (660/250 = 2.64 A) and you can connect (2.64 / 0.24 = 11 such bulbs in parallel.

Can 120v LED bulb work on 220v?

Just to clarify a 120v light bulb from NA put into a 220v european lamp in europe. Would that work? No, unless you want to have one quick flash. However, you can use a 220/240 watt bulb in North America.

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