Our kitchen lights are a bit on the old side (late 1980's) and consist
of three 48 inch fixtures with two 27 watt bulbs (1 inch diameter) in
each. I'm in the process of replacing all of the bulbs right now and
am having a problem and hope one of you will be able to give me some
guidance. (I've done this before, and not experienced this, so am
puzzled about why it's happening this time.)
I can put one of the two bulbs in each light fixture, but when I try
to put the second one in, I can't get the bulb to turn/rotate properly
into the bi-pin lampholder. For some reason, the bulb does not seem
to go all the way up into the lampholder; the edge of the tube remains
about 1/8th inch below the bottom of the lampholder on one end, and no
matter how I try to get it in the proper position, I just can't. I've
thought about trying some kind of lube, like graphite or Teflon spray,
but don't know if that's a wise idea.
Have any of you had a similar problem? If so, how did you solve it?
Thanks for your advice.
Check to see if the pin(s) on your problem lamp are a bit too long. It just
may be a small fraction of an inch. Measure the problem lamp against the
lamp that came out of the socket if you can.
The socket set may have been mounted just a little too close together in the
By the way, those standard lamps (T12 types) are on their way out. You can
convert your fixture to the newer and more efficient T8 types by changing
the ballast and installing T8 lamps -- no need to change the fixture or the
lamp sockets although a socket change is a good idea if the fixture is more
than 10-15 years old. There are ballast upgrade kits available with the new
ballast and new sockets already wired together. Just mount them in the
fixture and connect the ballast to the incoming power.