wrote in message
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While looking for some replacement bulbs at a Lowes building center, I
came across T12 bulbs that were 60w. These bulbs had a socket instead
of pins on the end. WHat type of a fixture uses these bulbs. Does one
get proportionately more light for the 50% increase in wattage? I did
a very quick Google search and while I did find a statement that a
special ballast is needed, I found very little else other than online
merchants hawking their bulbs.

www1.eere.energy.gov/femp/pdfs/fluor_lamps.pdf