Are CFLs really better than regular light bulbs?
How to replace a light bulb on a Magic Chief Microwave Oven?
If a bathroom vanity light fixtrues requires four bulbs with a maximum of 100 watts total, how many watts can each light be and it still be safe?
Is there a difference between electrical bulbs and light bulbs?
What causes exploding light bulbs?
What light bulbs offer the closest thing to sunlight?
Why do all my light bulbs burn out at the same time?
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Question by Rlanca (12)
Answer by Bugmann (130)
Look on the top of the light bulb. It should be stamped there in a small circle, or on the end if it is a long bulb. People can't see UVB light, so there is no way to tell by looking at the light it makes.
Answer by Brandon55 (1719)
A UVB bulb should have a label on it somewhere designating it as a UVB bulb. If not, use the serial number and look up the bulb online.
Answer by marktho (56)
Mercury vapor and metal halide lights are used to produce UVB but the tungsten filaments used in the incadescent bulbs only produces heat not UVB.
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