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| Re: What is the mechanical condition of the Low V? (662524) | |||
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Re: What is the mechanical condition of the Low V? |
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Posted by JournalSquare-K-Car on Wed Aug 6 21:51:27 2008, in response to Re: What is the mechanical condition of the Low V?, posted by Jeff H. on Wed Aug 6 21:34:09 2008. :( I am sorry, i wasn't here when it was explained. May you explain?I have seen strings of five to six or so lightbulbs hung on tunnel walls in areas of trackwork. I assumed they ran off of the 600 volt DC power. the only reason i can think of why they would explode is because there is a temporary short circuit when they burn out, due to the arc-over, so this would cut one lightbulb out, and the other lightbulbs would get 120 volts each instead of 100, but i don't think the 120 volts would cause an explosion. Would the bulb that burns out explode? Does it have to do with the arc behaving differently under DC current? |
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