New 175 Watt Mercury Fixture. - Electrical - DIY Chatroom Home Improvement Forum

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Old 09-12-2010, 01:03 AM   #1
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new 175 watt mercury fixture.

On a new instalation on a pole, everything works great for about three weeks then light would not come on. I replaced the bulb and it worked for another three to four weeks and burnt out again. I replaced the complete fixture and it lasted about a month. The voltage is on a seperate circut and is 112 volts when checked. The assembly is a trailblazer light made in China. I have a second 175 watt that has been in operation for over five years with no problems. This new instalation is properly grounded. I am trying a new sylvania bulb instead of the original bulb to see if there is any difference. The puzzling part is everything works properly on startup etc. Confused Farmer
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Old 09-12-2010, 01:12 AM   #2
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I worked for a company that used to by cheapo fixtures with lamps included. The quality of the lamps was such that we ended up buying a reputable name brand to install rather than the lamp that came with the fixture.. It reduced call backs a huge percentage. I would give the well known name brand lamp a shot.

your voltage is lower than I would prefer it be but it is within industry requirements.
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Old 09-12-2010, 01:50 AM   #3
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Did that dusk to dawn luminaire do listed for Metal Halide or Mercury vapour ?? due almost impossible to get new Mercury Vapour luminarie any more due the engery pact.

So check the ballast info many time they will stamp the ANSI ballast or lamp type.

And with Metal halide make sure you use the correct one some are pretty picky on operation.

Of course you still can get replacement Mercury Vapour at the big box store { how long they will leave on the shelf that part it depending on engery pact and what they kept in invetory }

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