Most are grounded directly to the ballast or not at all in some cases. On my 1000W and 400W niether are.
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BlueBear Reviewed by BlueBear on . wiring diagram question ok,im looking at the wire diagram and the green wire thats a ground do i need that and what do you hook up to.because was not wired when bought it and was supposed to be fully assembled,the light does work though can anyone explain that :confused: Rating: 5