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Re: [Phys-l] Efficiency problem



I've bought three 1.5 W. LED lamps from ACE hdw. One failed within the warranty.

The three 3 W. from Costco (We use as reading lamps) are a year old, but average only about 3/4 h/day.

bc

On 2010, May 29, , at 12:52, Michael Edmiston wrote:

We are also
converting sodium and mercury exterior lighting with LED. It's very
expensive and not yet clear whether the payback period will exceed the life
of the LED fixtures at today's LED prices.