Click here to know more about it. Then, how do you ground a turntable?
How to Ground a Turntable Properly and Promptly
how do I stop my turntable humming? Answer:
Also question is, how do you ground a turntable without a ground wire?
Re: How to ground a turntable that has no ground wire Then attach one end of the wire to the chassis of the amplifier, NOT to a speaker terminal, but rather to a shiny screw in the bottom of amp. Then take the other end of wire and attach it to a shiny screw in the metal chassis of the turntable.
What happens if you don't ground a turntable?
This particular Ground is not a safety issue, it's there to avoid a Ground Loop. If you have inter-connected equipment, of any kind, with more than one electrical path to the Ground, a Ground Loop can ultimately cause extra noise. A turntable suffering from a Ground Loop will produce a hum through your speakers.