BULB DISCUSSION BOARDS > Modern Electric Lighting

melted electrode in mercury lamp

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mr_big:
OK I don't know how this happened but the starting electrode in my new Sylvania 1000 watt mercury lamp has melted I turned it on it ran for a few seconds and then the breaker blew any ideas on this one

pSlawinski:
1) Did you run this on a ballast?  (If your answer is NO then you killed it by over driving it)

2) If you did run this on a ballast how old is it?  Your ballast could be dead, and I would not suggest running any other lamps on it.

mr_big:
I did run this on a ballast and the lamp is brand new
I have a fefw extra that are really heavily used but still start easily
I will have to try one of them to see if it happens

pSlawinski:
What condition is the ballast in?  How many devices are on the circuit you ran that lamp on?

mr_big:
this is the only thing that I have on this circuit I don't think the ballast is bad because the other lamps that I ran on it worked fine
One of the lamps that I had a clear Sylvania 1000 watt mercury lamp did not work because it was heavily used and the arc tube was completly black it was because it was running in a fixture on a tree that was covered in ivy so I could not see the lamp
I have checked the wiring and voltage in my house and it is 120 wolts AC So I don't think it could be that

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