Noisy MH Ballast.
I just bought a magnetic MH ballast kit from a local lighting store.I had a friend help me wire it up, the problem is its really noisy.I've heard ballasts humming before but nothing like this, after the bulb warms up it quiets a little but its still far too loud.I was wondering if anyone else had any idea's on why its making such a noise.Its made by Advance ballast and its brand new.
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