i have some personal experience with led light bulbs. i put them outside 
because the cfl floodlights are very s-l-o-w to warm up to full brightness.
 
1) leds are still slightly less efficient (lumens per watt) than cfl's
2) led light bulbs (2 different brands) throw out an ungodly amount of rfi... 
want to listen to a conversation on the 2 meter ham radio or listen to a weak 
fm broadcast station or watch channel 6 on the tee-vee? go shut off the led 
lights off first.
 
my conclusion? led light bulbs are not ready for prime time.
 
todd (still using my 25+ year old phillips dulux cfls)
 
 
 
On Thursday, February 9, 2012 1:44pm, "Jim MacDonald" <[email protected]> 
said:




Hello wrenches
 
I am in Central America and looking to suggest customers buy efficient LEDs for 
illumination in their 120V-wired homes, connected to local power grids with 
less-than-desirable power quality.
 
I see that so many manus claim long life for the LEDs, in the tens of thousands 
of hours, yet so few if any back it up with a decent warranty.
 
Folks are hesitant to make this investment, believing that voltage surges or 
dips could destroy the LEDs.
 
Has anyone heard of LED lights' lives ending prematurely due to grid events? 
Would inline surge protectors [something small to be installed immediately 
downstream of the breaker in the home's main panel) be helpful, and if so, does 
anyone have any recommended brands?
 
thanks
Jim MacDonald


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