Dome lights - any better options?
Mr. Moderator, please feel free to move it to DIY forum if it belongs there. On my 2nd year I already hate dome lights in my trailer. Will be replacing the wedge bulbs with LED boards, but this won...
Forum Discussion
Almot wrote:
Gordon, I'll have to look into LED strips in your link. Its wattage is pretty high, @8W per foot, higher than most other strips. I think 1440 lumens strip is equivalent to ~3 domes, not 7.
For majority of LEDs you multiply the watts by 4 to get their equivalent in incandescent. Ex, 10W LED (strip, board, whatever) puts out roughly same lumens as a double-bulb incandescent dome with 40W total. Those LED strips that I've seen, have 2 or 3 watt per foot, i.e. to get lumens that a 40W dome puts out, you need 10W LED or 3-5 ft strip.
These strips appeared better than most, but still rather low compared to where the cutting edge is. At almost 30 watts, these strips should be putting out 3000 lm ... if only they used modern LEDs (using a modest 100lm/w figure, the real cutting edge is over 200lm/w.) See Cree Breaks 200 Lumen Per Watt Efficacy Barrier
You are correct, regarding my dome-lights, I did mis-speak. They are equipped with two GE 921 incandescent bulbs ~250 lm each for a total of 500 lumens per dome... so one strip replaces three domes and I'm installing three strips :)
