Subject Started by Replies Views Last post
MV lamp question? « 1 2 » HPS_250 16 3893 February 07, 2020, 06:12:41 PM
by HPS_250
New LED streetlight cobra head replacements « 1 2 » RyanF40T12 16 3820 July 08, 2016, 01:10:24 AM
by RyanF40T12
Running HID lamps at 75-80% of their rated power for low ballast factor « 1 2 » WorldwideHIDCollectorUSA 17 1340 June 17, 2023, 11:31:06 AM
by Mandolin Girl
F40T12 after 2012 « 1 2 » Patrick 17 5588 August 01, 2010, 12:12:30 PM
by xmaslightguy
So what's the point of T10 fluorescents? « 1 2 » SOX55W 17 4825 March 22, 2012, 05:56:29 PM
by Powell
The first LED retrofit lamp you saw in your life? « 1 2 » Flurofan96 17 1016 April 29, 2024, 11:53:22 PM
by Michael
Effects of underdriving MH lamps Re: violent EOL? « 1 2 » themaritimegirl 17 3925 December 05, 2015, 03:19:58 PM
by Lightingguy1994
How many watts worth of bulbs do i need to ballast a 70W HPS? « 1 2 » HomeBrewLamps 17 3807 December 15, 2017, 01:06:59 AM
by Medved
Clear MV Lamps Popularity in the U.S.A. « 1 2 » merc 17 4342 January 21, 2017, 09:30:35 PM
by streetlight98
"Smart" Bulbs « 1 2 » wattMaster 17 5458 March 07, 2016, 03:51:06 PM
by Lumex120
7000 lumen CFL « 1 2 » Powell 17 5500 October 24, 2012, 05:39:50 PM
by Powell
LEDs don't last as long as rated life. « 1 2 » TudorWhiz 17 5343 March 02, 2009, 04:20:06 PM
by icefoglights
Philips "Natural Light" tubes: same specs, different tints « 1 2 » Cavannus 17 6371 August 01, 2013, 01:11:08 PM
by Cavannus
M80 "HQI" Ballast??? « 1 2 » BlueHalide 17 9559 October 23, 2023, 04:59:26 AM
by WorldwideHIDCollectorUSA
Running my Caster lamp again « 1 2 » Foxtronix 17 5893 August 06, 2008, 11:25:01 AM
by Foxtronix
Cheap source for LEDs « 1 2 » Ash 17 5073 December 19, 2011, 03:07:44 PM
by Ash
Made in China? Mexico? USA? Canada? « 1 2 » RyanF40T12 17 4723 December 09, 2011, 04:47:10 PM
by Ash
It’s official: California has banned self-ballasted CFL lamps « 1 2 » WorldwideHIDCollectorUSA 17 1266 January 23, 2024, 11:27:08 PM
by xmaslightguy
US HID lamps « 1 2 » LightsDelight 17 4743 May 27, 2022, 12:04:00 AM
by Bottled lightning
What will happen? « 1 2 » GE M-400A1 17 4868 March 07, 2010, 05:43:26 PM
by bluelights
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