[LINK] US & fluorescent light bulbs

[Marghanita da Cruz]

How are you testing your lamp?

My $30 LED Lamp has failed after 8 months, well short of the expected 8 
years. The retailer has provided a replacement hopefully it lasts longer.
<http://ramin.com.au/eco-sydney/LED-Lighting.shtml#fails>

Marghanita
Marghanita da Cruz wrote:
> Michael Skeggs mike at bystander.net wrote:
> <snip>
>> I also ordered an LED version from China for about $8. It is rated at
>> 4w and is brighter, but has a narrow spread. It comes on instantly. I
>> have only had it running for a couple of months, so hesitate to order
>> more until I have run it for a year or so to confirm reliability.
>> In any case, I recommend Deal Extreme as a source. This 'drop ship'
>> web site in Hong Kong has a huge range of electronic knick knacks, but
>> importantly, allows user reviews. I have found quality is very
>> variable at the bottom end of the Chinese marketplace, but the reviews
>> assist in finding the right balance between price and quality.
>> For downlights, the standard fittings are MR16 (12v with 2 thin pins)
>> and Gu10 (240v with 2 pins with fat lugs on the end). A search for LED
>> MR16 will give a list of options.
>> http://s.dealextreme.com/search/led+warm+gu10
> <snip>
> 
> On the AC front, one Chinese Manufacturer advised me
>> Our lamps Working voltage:85-260v ac.
> 
> In the mean time, my pilot (using a bricks and mortar purchase in Sydney in 
> December 2010):
>> The LED lamp will be installed in a bollard to provide path lighting on a light sensitive switch. This means, in Sydney, it will be on for about 7 hours at the Summer Solstice and 14 at the Winter Solstice, which will reduce the life expectancy of the LED lamp to around 8 years.
>> The 2.3W LED Lamp energy use is half the 5W Fluorescent (CFL) Lamp it replaced - which is half the energy use for the same hours of lighting.
> <http://ramin.com.au/eco-sydney/LED-Lighting.shtml>
> 
> Marghanita


-- 
Marghanita da Cruz
http://ramin.com.au
Tel: 0414-869202