Clear top bulbs

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Topic: Clear top bulbs (Read 8628 times)

icefoglights
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ITT Low Pressure Sodium NEMA

I just picked up a "new" Westinghouse 175W MV lamp and a Feit 175W MV lamp. They are both the new BT28 shape (basically ED-28 with a small bulge at the end instead of a dimple). Both are made in China $:-\$ but the Feit looks better built. The Westinghouse is a clear top with the unsupported arc tube typical of imported MV lamps, however the Feit is phosphered all the way to the end, and actually has arc tube support straps!

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form109
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how good are those new westinghouse mercury vapor lamps?

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Silverliner
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Rare white reflector

The new westy mercs are junk. They're known for premature failures and even arc tube ruptures (it happened to don93s, a member of LG). Some lamps last 5 years tho. Just unpredictable.

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form109
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Quote from: Silverliner on November 10, 2008, 04:00:47 PM

The new westy mercs are junk. They're known for premature failures and even arc tube ruptures (it happened to don93s, a member of LG). Some lamps last 5 years tho. Just unpredictable.

ive used regent mercs and they seem relatively reliable.

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