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Search: Posts Made By: randen
Forum: Lighting 12-12-14, 02:59 AM
Replies: 157
Views: 48,321
Posted By randen
LED Flood light replacing Metal Halide

As AC Hacker coined the phrase "I'm on a Jihad" to reduce my electrical consumption.

The existing Flood lights are 175 watt metal Halide. They will be replaced with 25 watt LEDs. These are some...
Forum: Lighting 10-26-14, 07:19 PM
Replies: 157
Views: 48,321
Posted By randen
48" LED replacement of fluorescent lamps

Slowly and surely all is being changed out to LED tech. Although the garage lights don't get much use the reduction of energy will never make a ROI.

Three of the six fixtures the ballasts had...
Forum: Lighting 06-29-14, 02:09 PM
Replies: 157
Views: 48,321
Posted By randen
Xringer I realize that the best option of a...

Xringer

I realize that the best option of a lab making up some bullet-proof stuff is just not I the cards. And to buy something on line is something I don't want to wait for and its going to be...
Forum: Lighting 06-29-14, 11:46 AM
Replies: 157
Views: 48,321
Posted By randen
Barrels & barrels of aluminum chips, But no...

Barrels & barrels of aluminum chips, But no aluminum dust.

Gary Gary had experimented with the interface of the copper riser tubes and the aluminum absorber fins of a flat plate solar collector....
Forum: Lighting 06-29-14, 11:06 AM
Replies: 157
Views: 48,321
Posted By randen
Ah-ha

Well there's your problem.!!!

I'm reluctant to believe anyone in the world that would possess any knowledge of how to manufacture a LED modual would allow this to happen during manufacture!!

I...
Forum: Lighting 04-01-14, 01:01 PM
Replies: 157
Views: 48,321
Posted By randen
AC & Daox I'm using two switching type power...

AC & Daox

I'm using two switching type power supplies. I think they were approx. $12.00 from China free shipping. They are rated at 10A each with overload protection. Really quite efficient.
...
Forum: Lighting 12-05-13, 06:26 AM
Replies: 157
Views: 48,321
Posted By randen
AC Yes these are COB lights at 6000k 12v 6...

AC

Yes these are COB lights at 6000k 12v 6 watt. They are performing well however a few 2-3 are flickering. I'm not sure yet if its something with the pin connections in the socket or something in...
Forum: Lighting 12-04-13, 08:03 AM
Replies: 157
Views: 48,321
Posted By randen
ROI for changing to LEDs

Posted May 5 2012

We have a lot of track lighting that was using MR 16 metal halide 12 v mostly 20w and some 50w. I had replaced them about a year ago with some Chinese LED 3 w super white. The...
Forum: Lighting 08-07-13, 08:12 PM
Replies: 157
Views: 48,321
Posted By randen
I've been a huge fan of LED lighting for a while....

I've been a huge fan of LED lighting for a while. If they are purchased directly from China the prices are good. Imagine replacing a light for the last time. The daylight type are my favorite. I had...
Forum: Lighting 06-22-12, 06:18 AM
Replies: 157
Views: 48,321
Posted By randen
My ROI was just adjusted

I've had my relatively expensive LEDs for about a year now and As I had posted earlier

".Running the calculations it will take 20 years for the lights ROI. But that is at todays dollar. The next...
Forum: Lighting 05-23-12, 05:01 PM
Replies: 157
Views: 48,321
Posted By randen
LED photos

The best thing about them is my wife likes them. They work very well for the kitchen food prep. area.

Randen
Forum: Lighting 05-23-12, 04:39 PM
Replies: 157
Views: 48,321
Posted By randen
We have a lot of track lighting that was using MR...

We have a lot of track lighting that was using MR 16 metal halide 12 v mostly 20w and some 50w. I had replaced them about a year ago with some Chinese LED 3 w super white. The lighting is amazing and...
Showing results 1 to 12 of 12

 
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