1-3 of 3 Answers
BR40 is slightly larger, so BR30 will fit just fine but may not fill out the can as much.
Sorry, there was a problem. Please try again later.BR40 lamps have a larger diameter. Therefore a BR30 will fit in a BR40 location but there will be some extra room between the lamp and luminaire housing.
Sorry, there was a problem. Please try again later.I can't answer your question, but adapters between any sizes are readily available online. That's what I did to use a Hue bulb on an aardvark size.
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