Quote:
Originally Posted by bewareofdogandowner
an open ground will not cause a lamp to misfire. try bending the contact tab to make sure its making contact with the lamp base.
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a ballast is basicly a transformer...transformers are generaly an ungrounded system because your taking your ground from the center tap of your transformer wich in turn is bonded to the system neutral at the utility connection on the primary side of you x-former...or in your case your picking up your ground through the wall socket your plugged into on the primary side ....your load side (to lamp) is getting its ground through the "common" connection on the ballast