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Old 11-24-2011, 07:49 AM   #1
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how to test for voltage


people,

have a small 18" fluorescent light "fixture"/lamp/whatever, and the bulb does not light when switched on. I removed bulb, and wanted to learn how to test the lamp itself for voltage, as I suspect the cheap junk is at fault.

What contacts do I probe with the 2 leads of my voltmeter? Of course, there are 2 metal contacts on each side.......(it is a SINGLE bulb lamp)

Thanks

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Old 11-24-2011, 08:19 AM   #2
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how to test for voltage


If you try it and are somewhat lucky, the least of your problems will be to purchase a new meter.

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Old 11-24-2011, 08:51 AM   #3
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how to test for voltage


The lamp itself will not have voltage, the fixture will.

Thing is, you CANNOT test a fluorescent fixture with a standard multi meter.
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Old 11-24-2011, 09:15 AM   #4
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how to test for voltage


Thnaks, guys. I figured there was something unusual about dang fluorescents. best bet could be buy new bulb, try it, ifn it dont work, return, as one has ruled out the fixture with a assumed OK/new bulb. Then buy new fixtiure. sound good?
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Old 11-24-2011, 09:17 AM   #5
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Quote:
Originally Posted by Speedy Petey View Post
The lamp itself will not have voltage, the fixture will.

Thing is, you CANNOT test a fluorescent fixture with a standard multi meter.
Right- what I meant (worded badly) was to test the fixture, not the glass tubular "bulb".......
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Old 11-27-2011, 08:11 PM   #6
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how to test for voltage


if a new tube does not work it is probably the ballast(assuming you have power to the fixture) sockets could also be bad. it will probably be easier in the long run to buy a new fixture. sometimes they cost less than a new lamp and ballast.

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