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Questions tagged [lamp-tombstone]

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1 answer
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Is it possible to modify a non-shunted tombstone socket to act like a shunted socket

I have an older 4 foot fluorescent fixture (18 years old) in a laundry room that died and I assume it is because the ballast went bad (T8 one inch fluorescent tubes). I was able to locate the exact ...
bj47's user avatar
  • 3
0 votes
2 answers
173 views

I'm wanting to do a ballast bypass on an old single bulb T12 light fixture, but the wiring is different from what I've encountered in how-to videos

I'm wanting to do a ballast bypass in this ancient fluorescent fixture with a magnetic ballast in my laundry closet. It has a single bulb and is easy to access, so I thought it would be a good one to ...
Nick's user avatar
  • 11
2 votes
5 answers
688 views

Are the tombstone bulb sockets reusable when I convert fluorescent fixtures to LED? [closed]

I am upgrading the bulbs in an old fluorescent work light to LED bulbs. I have pulled the ballasts, and remove the starters from the Tombstones pictured below. Is it safe to use these tombstones ...
Larry G. Wapnitsky's user avatar
3 votes
3 answers
1k views

Name for light fixture tube socket (tombstone) retainers?

What are the names of the metal photographed parts? The tombstones are inserted to clarify function. I would like to order more of these metal parts, however, I do not know the terminology to Google ...
gatorback's user avatar
  • 3,088
1 vote
1 answer
141 views

Systematic process to find replacement fluorescent T5 lamp holder

The goal is to replace a plastic T5 tombstones has melted. The side 'wings' fold-in so it can be 'dropped-into' the fixture. There are approximately 100+ tombstones and one has melted. Is ...
gatorback's user avatar
  • 3,088
0 votes
1 answer
488 views

Should the ballast be replaced?

As a follow-on question to: Why fluorescent lighting tombstones melt? I do not know what caused a massive current to melt the tombstone: was it the ballast? The MELTED tombstone will be replaced, ...
gatorback's user avatar
  • 3,088
1 vote
2 answers
4k views

Why do fluorescent lighting tombstones melt?

I am fixing the lighting in an older building and one of the plastic tombstones has melted. There are approximately 100+ tombstones and one has melted. A search found a forum discussion that ...
gatorback's user avatar
  • 3,088
1 vote
7 answers
15k views

Is it safe to convert a shunted tombstone lamp socket to a non-shunted socket by cutting the shunt?

I am looking into converting a T-8 fluorescent tube fixture to a direct-wire LED tube fixture. In addition to removing the actual ballast, I understand that the "tombstone" lamp sockets in an ...
Justin's user avatar
  • 135
1 vote
1 answer
531 views

What does "instant wire" on LED tubes mean?

I'm replacing florescent tubes with Westgate T8 LED tubes (T8-EZ4-18W-40K-F), which work both with or without an existing ballast (I remove the ballast when I install them). When bypassing the ballast,...
browly's user avatar
  • 355