Residential Lighting with LEDs: Retrofitting the Pink Ranch

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billshurv
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Re: Residential Lighting with LEDs: Retrofitting the Pink Ranch

Post by billshurv » Thu May 09, 2019 10:58 am

JR. wrote:
Thu May 09, 2019 8:55 am

google says SMS is text messaging... unclear about what you are saying/
Quite literally you want to play football after dark, so you text 'light' to the number on the fence and the floodlights come on for an hour (and you get charged 50p on your phone bill)>

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JR.
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Re: Residential Lighting with LEDs: Retrofitting the Pink Ranch

Post by JR. » Thu May 09, 2019 11:05 am

Since I don't have a smart phone or ever text messaged anything to anybody I would be ignorant to that modern contrivance (among others).

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billshurv
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Re: Residential Lighting with LEDs: Retrofitting the Pink Ranch

Post by billshurv » Thu May 09, 2019 11:27 am

Text messaging was more prevalent outside USA as you guys had 2 way pagers (which were much the same). It was originally a bolt on to the original GSM specs to allow activation of your new phone but then took on a life of its own, at least until smartphones and messaging apps appeared.

I miss MSN, it was simple and worked...

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mediatechnology
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Re: Residential Lighting with LEDs: Retrofitting the Pink Ranch

Post by mediatechnology » Thu Sep 05, 2019 6:07 pm

So here we are eight years later...

Today I bought a 4-pack of 40W (equivalent) 460 lumen Ecosmart LEDs at Home Depot for $5.12 US.
That's $1.28 each which is a 27-fold reduction in the 2011 price of about $35.

Gone is the aluminum heatsink and it's huge embedded energy.
It looks like LED's pricing are now about the same as incandescent lamps.

I only have incandescent lighting in three places: The electric oven, the Lava Light and in the garage freezer.
I don't have a single florescent light anywhere.

Of all the first generation lights two models stand out as excellent: The Sylvania PARs and the GE 62180 40W with fins.
I've replaced many of the first generation A19 Edison-based bulbs, not because they failed, but the replacements got so much better in terms of dimability, color temp and efficiency (low heat).
https://ka-electronics.com

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