Friday, 8 May 2015

What is a Multifaceted Reflector Light Bulb?

Multifaceted reflector (MR) is a reflector housing format for halogen as well as some LED bulbs. They are designated as MRXX where the XX represents an eight of an inch - so MR16 means 2 inches, MR8 is one inch. The MR16 was first sold in 1965. GU10 (G=Glass) is a derivative of the MR housing where the U refers to a U-shaped ceramic base mount.

As with all halogen lamps, MR lamps produce significant heat. For GU10 fittings. you can have GU10 halogen as well as GU10 LED.

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