Subject Started by Replies Views Last post
Leaning arc tube, problem? 589 6 471 January 16, 2020, 07:48:46 PM
by 589
CFL Based LED lamps 589 8 551 October 04, 2017, 12:37:39 PM
by marcopete87
100w clear merc trouble starting 589 14 1110 April 07, 2018, 10:08:55 AM
by d3anio97
4000w MH, yes thats not a typo 589 6 653 April 04, 2018, 08:19:40 AM
by HPSM250R2
Is it ok to use cold temp t12 ho lamps in the heat? 589 5 833 May 15, 2018, 10:30:37 AM
by 589
Help dating a Philips USA made 100w MV 589 5 711 December 30, 2018, 07:54:10 AM
by 589
why does MV glow dimly at first while restrikng, then go out completely? ace100w120v 6 864 January 07, 2012, 10:19:53 PM
by LowPressureSodiumSOX
What did you do for Earth Hour? ace100w120v 10 988 April 03, 2012, 10:26:23 AM
by Ash
Repairing light bulbs ace100w120v 2 651 April 16, 2012, 05:22:39 PM
by icefoglights
Repairing light bulbs ace100w120v 6 1093 June 27, 2012, 05:29:00 AM
by Ash
Didn't know this stuff was still available, especially in CA! ace100w120v 3 881 July 24, 2013, 02:17:29 AM
by AZTECH
50w HPS Ballasting Alternatives? ace100w120v 9 994 December 17, 2019, 01:07:35 AM
by Medved
LED Retrofit "Tubes" on T12 ballasts? ace100w120v 10 1629 July 10, 2018, 11:58:26 PM
by Lightingguy1994
Swirling- NOS vs used lamps-possible? ace100w120v 1 597 May 09, 2018, 12:03:57 PM
by Medved
F17T8 or F18T8/K24" lamps on F20T12 preheat chokes? F32T8 on NPF preheat? ace100w120v 5 789 April 03, 2019, 08:49:36 PM
by xmaslightguy
F15T8 lamp with an UCF EM 15 S TY Ballaster afang 4 3130 August 31, 2013, 08:54:05 AM
by afang
Replacing a HPS lamp of unknown wattage in a home security fixture alan 12 1306 April 26, 2017, 01:20:24 PM
by lightingnut
semi-parallel lamp operation? Alights 3 853 June 14, 2010, 03:31:39 PM
by Alights
unknown ballast Alights 2 743 June 29, 2010, 05:57:17 PM
by Luminaire
step dimming ballasts Alights 1 786 June 29, 2010, 07:49:33 PM
by Luminaire
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