Discharge Lighting, Lamps & Control Gear

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Philips L4135 CWA Ballast for 180W SOX

Last post by Nick217 « Sat May 09, 2026 7:42 am
Replies: 5
by Alex » Mon Apr 27, 2026 12:44 pm

5 Replies

192 Views

Last post by Nick217 View the latest post
Sat May 09, 2026 7:42 am
Why don't they make big neon indicator lamps anymore?

Last post by Slyspark « Sat Apr 18, 2026 10:40 am
Replies: 2
by sodium » Tue Apr 14, 2026 9:02 pm

2 Replies

83 Views

Last post by Slyspark View the latest post
Sat Apr 18, 2026 10:40 am
МЭЛЗ ДРЛ 500 M (MELZ DRL 500 M)

Last post by AngryHorse « Tue Apr 14, 2026 10:32 am
Replies: 20
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by Olav » Mon Dec 27, 2021 11:08 am
20 Replies

29813 Views

Last post by AngryHorse View the latest post
Tue Apr 14, 2026 10:32 am
SOX lamp flickering

Last post by Beta 5 « Tue Dec 16, 2025 8:55 pm
Replies: 4
by Beta 5 » Sat Dec 13, 2025 11:12 pm

4 Replies

662 Views

Last post by Beta 5 View the latest post
Tue Dec 16, 2025 8:55 pm
Question about mercury lamps for anyone knowledgeable

Last post by AngryHorse « Sun Jul 20, 2025 11:17 am
Replies: 4
by PeterG » Sat Mar 29, 2025 3:02 pm

4 Replies

32361 Views

Last post by AngryHorse View the latest post
Sun Jul 20, 2025 11:17 am
90's GE Lucalox Loosing Vacuum

Last post by Beta 5 « Fri Jun 20, 2025 8:07 pm
Replies: 2
by Beta 5 » Sat Jun 14, 2025 6:03 pm

2 Replies

30732 Views

Last post by Beta 5 View the latest post
Fri Jun 20, 2025 8:07 pm
Reading: mv medium pressure lamp with isothermal outer bulb shape

Last post by Alex « Tue Mar 11, 2025 8:27 pm
Replies: 8
by Olav » Fri Nov 12, 2021 4:29 pm

8 Replies

84763 Views

Last post by Alex View the latest post
Tue Mar 11, 2025 8:27 pm
Does anyone know if this is an MBFU lamp?

Last post by PeterG « Sun Jan 26, 2025 5:23 pm
Replies: 2
by PeterG » Sat Jan 25, 2025 11:30 pm

2 Replies

24616 Views

Last post by PeterG View the latest post
Sun Jan 26, 2025 5:23 pm
ballast ID help

Last post by Lightbulbfun « Thu Dec 05, 2024 4:59 pm
Replies: 1
by fluorescent » Wed Nov 27, 2024 11:34 am

1 Replies

5337 Views

Last post by Lightbulbfun View the latest post
Thu Dec 05, 2024 4:59 pm
Opinion on Induction lighting

Last post by FrontSideBus « Tue Nov 12, 2024 8:41 am
Replies: 10
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2
by Flurofan96 » Wed Nov 06, 2024 10:53 pm
10 Replies

17271 Views

Last post by FrontSideBus View the latest post
Tue Nov 12, 2024 8:41 am
What is your opinion on CosmoPolis?

Last post by Flurofan96 « Wed Nov 06, 2024 10:43 pm
Replies: 4
by Kev » Sat Oct 21, 2023 9:26 pm

4 Replies

9544 Views

Last post by Flurofan96 View the latest post
Wed Nov 06, 2024 10:43 pm
Question about Philips anti-cycle ignitors

Last post by dor123 « Mon Sep 09, 2024 2:45 pm
Replies: 3
by dor123 » Mon Sep 09, 2024 11:19 am

3 Replies

12032 Views

Last post by dor123 View the latest post
Mon Sep 09, 2024 2:45 pm
Who can clear this one up re discharge lamps

Last post by PeterG « Sat Aug 24, 2024 12:09 pm
Replies: 20
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by PeterG » Mon Jan 18, 2021 11:11 pm
20 Replies

23935 Views

Last post by PeterG View the latest post
Sat Aug 24, 2024 12:09 pm
Metallic thallium vs thallium iodide vapour pressure

Last post by dor123 « Sun May 12, 2024 3:09 pm

by dor123 » Sun May 12, 2024 3:09 pm

0 Replies

6236 Views

Last post by dor123 View the latest post
Sun May 12, 2024 3:09 pm
Orange MH lamp found at BLT Direct

Last post by dor123 « Sat May 11, 2024 5:33 am
Replies: 1
by dor123 » Mon Apr 29, 2024 3:15 pm

1 Replies

6738 Views

Last post by dor123 View the latest post
Sat May 11, 2024 5:33 am
Why some Philips HPI-T lamps, bulging their arctube?

Last post by dor123 « Wed Apr 24, 2024 6:11 pm
Replies: 2
by dor123 » Fri Apr 19, 2024 8:16 pm

2 Replies

7456 Views

Last post by dor123 View the latest post
Wed Apr 24, 2024 6:11 pm
Possible running of 200w SLI lamps

Last post by PeterG « Sat Jan 06, 2024 2:00 am

by PeterG » Sat Jan 06, 2024 2:00 am

0 Replies

4753 Views

Last post by PeterG View the latest post
Sat Jan 06, 2024 2:00 am
SON on Cosmo gear

Last post by sailormoon_01_uk « Sat Mar 26, 2022 11:57 am
Replies: 3
by HIDLamp » Fri Mar 25, 2022 10:06 pm

3 Replies

8053 Views

Last post by sailormoon_01_uk View the latest post
Sat Mar 26, 2022 11:57 am
1000w CSI lamp gear?

Last post by FrontSideBus « Tue Feb 08, 2022 5:57 pm
Replies: 6
by FrontSideBus » Sat Feb 05, 2022 5:08 pm

6 Replies

42120 Views

Last post by FrontSideBus View the latest post
Tue Feb 08, 2022 5:57 pm
POLAM mv lamps, a short list

Last post by Olav « Sat Jan 22, 2022 4:52 pm
Replies: 4
by Olav » Thu Nov 25, 2021 10:43 am

4 Replies

11536 Views

Last post by Olav View the latest post
Sat Jan 22, 2022 4:52 pm
NARVA HQKRG 80, 125, 250; NF 80-21, NF 125-21, NF 250-21

Last post by Andy « Tue Jan 11, 2022 5:29 pm
Replies: 2
by Olav » Tue Jan 11, 2022 3:33 pm

2 Replies

8366 Views

Last post by Andy View the latest post
Tue Jan 11, 2022 5:29 pm
Reading: how to operate NARVA NC 1000 lamps

Last post by Olav « Sun Nov 21, 2021 10:19 am
Replies: 2
by Olav » Wed Nov 17, 2021 8:10 pm

2 Replies

17293 Views

Last post by Olav View the latest post
Sun Nov 21, 2021 10:19 am
Reading: The introduction of the mv reflector lamps at the end of the 50s in Europe

Last post by FrontSideBus « Tue Nov 16, 2021 6:52 am
Replies: 1
by Olav » Mon Nov 15, 2021 9:49 pm

1 Replies

10298 Views

Last post by FrontSideBus View the latest post
Tue Nov 16, 2021 6:52 am
NARVA mv-lamps, a brochure from 1979 as pdf

Last post by Andy « Thu Nov 11, 2021 3:30 pm
Replies: 3
by Olav » Thu Nov 11, 2021 9:31 am

3 Replies

45948 Views

Last post by Andy View the latest post
Thu Nov 11, 2021 3:30 pm
Lamp model code differences on SON T

Last post by PeterG « Thu Feb 11, 2021 2:14 pm
Replies: 5
by PeterG » Mon Jan 25, 2021 6:28 pm

5 Replies

10861 Views

Last post by PeterG View the latest post
Thu Feb 11, 2021 2:14 pm

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