Frequent Asked Questions

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Frequent Asked Questions

11 Sep

What Does UL Stand For?

0 comment | Post by: Judy Lighting LTD

Underwriters Laboratory, or UL, is one of the world’s largest and most respected consumer safety organizations. When you see the UL logo on lighting packaging it means that that product has undergo...

11 Sep

What Do The Differences In Color Temperature Mean? What Temperature And Color Is Warm? What Temperature And Color Is Cool?

0 comment | Post by: Judy Lighting LTD

Color temperature refers to the color of light. It is a crucial factor in designing any lighting system or setup. When speaking of color temperature you should be familiar with ‘warm colors’ and ‘...

11 Sep

Can A Bulb With An E26 Base Fit In An E27 Socket?

0 comment | Post by: Judy Lighting LTD

The answer is sometimes. Sometimes an E26 base will fit into an E27 socket, while other times an E26 base will have one extra tread, preventing it from reaching the bottom of the socket and formin...

11 Sep

What Is The Difference Between P22h, E22HA & E19?

0 comment | Post by: Judy Lighting LTD

What is the difference between the following three bulbs P-VIP 120-132/1.0 P22h P-VIP 120-132/1.0 E22HA P-VIP 120-132/1.0 E19 P stands for parabolic reflector. E is for elliptical reflector. The 1...

11 Sep

What Is The Difference Between MFL/WFL/NSP?

0 comment | Post by: Judy Lighting LTD

MFL, WFL, and NSP refer to three types of light beam spread, or the nature of the distribution light produced by a lamp. Deciding between the three types of beam spread will depend upon the type o...

10 Jan

What Elements Are in Light Bulbs?

0 comment | Post by: Judy Lighting LTD

Thomas Edison first received a rudimentary lamp patent in 1879. He initially used the element platinum, because it could produce white light for an extended period of time and had a high melt...

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