Bulbs for ac Systems

Most recent answer: 01/11/2013

Q:
Can i use dc bulb(LED/CFL)in ac system? if not possible then wht can i do?
- Zobayer (age 31)
Dhaka, Bangladesh
A:
CFL's are designed for ac use. LED's do work on dc, but standard commercial screw-in LED bulbs come with built-in rectifiers for use with ac circuits.

Mike W.

(published on 01/11/2013)