test mercury vapor bulbs
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On Sat, 1 Oct 2005 16:27:16 -0400, "Amun"
wrote: Why aren't you asking about the ballast ? Because I'm just learning about these lights. I assumed that the bulbs were the most likely to fail and they are easily replaceable. What do I need to learn about the ballast? Is it replaceable or does one just replace the fixture to fix a ballast? John Keith |
John Keith wrote:
On Sat, 1 Oct 2005 16:27:16 -0400, "Amun" wrote: Why aren't you asking about the ballast ? Because I'm just learning about these lights. I assumed that the bulbs were the most likely to fail and they are easily replaceable. What do I need to learn about the ballast? Is it replaceable or does one just replace the fixture to fix a ballast? John Keith -- WARNING: Do NOT under any circumstances take advice from an idiot named AMUN. Regarding tile, electrical, HVAC, painting, drywall, plastering, lawn mower repair and various other construction issues, AMUN is a clueless moron. As things go AMUN will dissapear as his kind usually does when confronted with their bad advice by those who are knowledgeable in their respective fields. Until then - BEWARE |
Amun wrote:
But depending on the light sometimes the ballast is worth more than a replacement fixture. AMUN Your advice isn't worth $.02 -- WARNING: Do NOT under any circumstances take advice from an idiot named AMUN. Regarding tile, electrical, HVAC, painting, drywall, plastering, lawn mower repair and various other construction issues, AMUN is a clueless moron. As things go AMUN will dissapear as his kind usually does when confronted with their bad advice by those who are knowledgeable in their respective fields. Until then - BEWARE |
"John Keith" wrote in message ... On Sat, 1 Oct 2005 16:27:16 -0400, "Amun" wrote: Why aren't you asking about the ballast ? Because I'm just learning about these lights. I assumed that the bulbs were the most likely to fail and they are easily replaceable. What do I need to learn about the ballast? Is it replaceable or does one just replace the fixture to fix a ballast? John Keith You can pretty much think of them the same as a fluorescent strip, if that helps. Testing of the parts is pretty similar for all gas discharge type lighting. Easiest way to test a bulb is in another working fixture. Or try a known good spare. You can not simply go by a $2.00 ohmmeter continuity test, as you can with a regular incandescent bulb. But depending on the light sometimes the ballast is worth more than a replacement fixture. AMUN |
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