DIY Home Repair Forum: Electrical and Wiring
02-10-2010, 03:34 PM
With out a problem
I have been in the lighting market for 30+ yrs
a BR40 bulb is 40/8ths of an inch wide
a BR30 is 30/8ths of an inch wide
so now you know how bulbs are measured
a F40T12 is 40 watts and...