said by nunya:You can get electronic ballasts for t12 lamps, but why? T12s are going away.
You get new ballasts and new lamps and the pleasure of rebuilding the fixture. It's probably better to just replace the fixture.
Back in 2010, I installed new T12 fixtures in my basement and a T12 fixture in my Grandma's basement near the laundry area.
Is there any real advantage of T8 over T12. When I was shopping for fixtures at Lowe's the T8 fixtures were twice as expensive as the T12 fixtures.
Another question: If I replace the remaining screw base fixtures in Grandma's basement with F40T12 fixtures (currently one F40T12 and three screw base, would be upgraded to 4 f40t12 fixtures), would they overload the switch that they are on. There is currently one switch controlling the lights in grandma's basement. I want to upgrade the lighting down there because grandma has poor vision.