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Old 03-15-2010, 03:39 PM   #1
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light bulb won't fit

I have an arch in the wall that had a light bulb in the top. When it burned out, I removed it but cannot find another to fit. I have tried chandelier bulbs and every other kind of bulb. Is there a light bulb with a smaller thread??


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Old 03-15-2010, 04:10 PM   #2
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light bulb won't fit

See if you can find it at this link ... if it isn't a candalabra base it probably is a decorative bulb of some kind.


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Old 03-15-2010, 05:19 PM   #3
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light bulb won't fit

There is also an "intermediate" base that came out a few years back. I had to buy some not long ago and had a devil of a time finding bulbs. It looks like a standard A base but is about 2/3 the size. It is different from your appliance or candelabra base as well. As I understand it they are not made above 60W, I guess because people were sticking 100W and 120W bulbs in fixtures and burning their houses down.

I believe that chart is current but can't say with 100% authority one way or the other.
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Old 03-15-2010, 07:48 PM   #4
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light bulb won't fit

Intermediate screw base -- 21/32" diam. C9 120v Christmas tree lights, some portable reading lamps.

Candelabra screw base -- 15/32" diam. C7 120v Christmas tree lights, 7 watt night lights, most colonial style (thin arm) chandeliers.

Miniature screw base -- 3/8" (12/32") diam. C6 15v series Christmas lights, screw in flashlight bulbs (Radio Shack has some). Almost always a low voltage application, be sure you get the right voltage.
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Last edited by AllanJ; 03-15-2010 at 07:59 PM.
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