Subject Started by Replies Views Last post
365nm LED flashlight gives a great deal of heat dor123 3 1004 October 10, 2021, 01:09:48 PM
by Medved
39W Metal Halide Ballast for 50W Mercury Vapor BGPatterson 2 1710 June 22, 2017, 12:25:17 AM
by Lodge
4 months after LED Streetlight retrofit = more failures « 1 2 3 » RyanF40T12 31 7556 February 07, 2017, 07:58:29 PM
by xmaslightguy
400 watt Highbays lightman64 6 2841 April 27, 2009, 08:18:42 AM
by TudorWhiz
400 watt metal halide uplight « 1 2 3 » sol 36 7298 June 04, 2015, 11:02:47 AM
by Solanaceae
400W HPS replaces 175W Merc..??? M250R201SA 7 2050 March 29, 2016, 10:55:33 PM
by icefoglights
50 watt hps cap GE PM 4 796 April 22, 2023, 11:40:48 PM
by BT25
50 watt metal halide on an average 120VAC dimmer? N3210 12 1226 April 25, 2023, 04:52:41 PM
by joseph_125
50,000 hr + 35 watt hps? wide-lite 1000 14 3846 January 17, 2019, 10:54:42 PM
by lights*plus
5HO tag bluelights 1 1798 June 22, 2009, 08:44:38 PM
by lightman64
6 unknown fixtures for an expert to me to figure out what they are GabryJ84 1 1510 June 28, 2018, 06:43:27 AM
by dor123
60Hz -> 50Hz how it will effect? Roi_hartmann 6 5942 March 14, 2009, 03:09:09 PM
by Roi_hartmann
7.5uF capacitor in place of a 7uF capacitor on a 50 watt CWA mercury vapor balla ggillis 9 2925 June 04, 2017, 09:30:07 AM
by funkybulb
70w HPS vs 50w HPS « 1 2 » Lumex120 15 3960 June 19, 2016, 04:32:15 PM
by wattMaster
75w MV post top find bucket175mv 12 2245 June 30, 2016, 12:47:21 PM
by bucket175mv
A discovery i found going to the airport. KEDER 6 2646 June 04, 2009, 08:33:43 PM
by KEDER
A handy ballast cross reference chart Larry 1 1534 March 07, 2014, 10:31:56 AM
by DieselNut
A not clear phenomenon that accurs in the US road lights dor123 5 2819 June 22, 2010, 08:33:56 PM
by streetlight98
A odd ballast I found in the junk pile Larry 8 2700 May 14, 2014, 11:52:57 AM
by DieselNut
A sad day for Mercury Vapor « 1 2 » M250R201SA 16 4490 June 07, 2017, 04:39:48 PM
by Lumex120
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