Q: I read somewhere that a GU10 is really an MR16. Is this true?
A: It’s true! A GU10 is really an MR16.
The difference between what are commonly refered to as MR16 and GU10 is the base. Though the bulbs are both MR16, the Bipin version is an MR16 with a GU5.3 base. The twist lock version is an MR16 with a GU10 base.
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