Thread: high pressure sodium.
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Old 11-13-08, 09:08 PM
sidneyh sidneyh is offline
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Join Date: Oct 2008
Location: interior bc
Posts: 32
Hey marc, thanks for the help. I believe that the ballast is open core as i can see the laminations cleary. It's super old too, if that's any help. I'll try to attacha photo as soon as I can. sid
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