Are sylvania metalarc lamps dimmable?

Answer No, Sylvania Metalarc bulbs cannot be dimmed as they are metal halide and not incandescent. There are Sylvania Metalarc bulbs available with dual wattage capability, so you can change the light out... Read More »

Top Q&A For: Are sylvania metalarc lamps dimmable

Are 24 watt sylvania metalarc lamps dimmable?

Metalarc 24 watt lamps cannot be dimmed. According to Sylvania's operating guidelines, the lamps should not be used in electrical outlets controlled by dimmer switches, timers or photocells. They s... Read More »

Are Sylvania ceramic metal halide lamps dimmable?

According to Sylvania, its ceramic metal halide lights are not dimmable. The lights do, however, operate more efficiently than halogen or incandescent bulbs, resulting in lower energy costs. They a... Read More »

How much longer do fluorescent lamps last than incandescent lamps?

According to, a compact fluorescent lightbulb (CFL) lasts about 10 times longer than an incandescent one. notes that a 13-watt CFL can burn for 10,000 hours, whereas an inca... Read More »

Can one use 20W fluorescent tube lamps as a substitute to 40W lamps?

Yes they will work if they fit the fixture.... They will only draw the 20 watts they need to operate, so No, you will not blow the 20W lamps.... Ensure however that the lamps you will be using are ... Read More »