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Won't fit my MR16/GU10 fixture
on November 1, 2011
I recently ordered several different brands of MR16/GU10 LED bulbs trying to figure out which one is "best" for my office lighting. This Feit Electric LED bulb is the only one which does not fit in my fixture, so I was unable to try it out. Although the pins are the correct type, the bulb base is shorter than the other bulbs' bases so it will not QUITE reach the connector/contacts at the bottom of my fixture. It's very close but I can't quite twist it into place as is normally done. The Feit base is 1 inch long from tip of the connectors to where it widens out. The other MR16/GU10 LED bulbs I have are at least 1 and 1/4 inch long, and the base actually protrudes from the fixture (less than 1/4 inch). If your fixture has any kind of "tube" leading down to the contacts, I suggest you consider this factor. I don't believe my fixture is too unusual and as I say, other bulbs of this same size (including halogens) fit fine. (Amazon accepted my return of the bulb. Thanks!)
edit: In re-reading the many conflicting reviews of LED bulbs in the MR16/GU10 size base here at Amazon, it appears that some mfrs. use a shorter base, which some customers PREFER, complaining that the "long" base sticks out too far in their particular fixture. Others (like me) WANT the longer base. So look at the photos of the various bulbs carefully, you can usually see which ones are the "short" or "long" type of base. If there is a code or description that tells you the difference in these pages, I do not see it. It appears to me that the Feit and another one called "Lights of America" may be the "short" base while more generic brands generally have the longer base.