I agree. I would be leery of making any alterations to these
fixtures, given the potential risk to the wiring and sockets. After
several hours of use, my IC-rated fixtures get extremely hot, even
when equipped with 25-watt CFL PAR38s.

Cheers,
Paul

On Fri, 18 Jan 2008 18:38:43 -0500, "RBM" wrote:

The problem is, hot air is supposed to rise and escape through those holes.
If you are using the maximum wattage lamp in the fixture, and you restrict
the air flow, it will probably cause the high limits to cut out