Question about RCA Pac Sni1 Rca Ground Loop Noise Isolator

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Need to attach ground wire

Need somewhere to put ground wire

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A good ground is typically a cold water pipe. The cold water pipe is required to be grounded to the electrical service in nearly all buildings. Since cold water pipes are often in contact with hot water pipes in steel sinks, water heaters and furnaces, etc.; a hot water pipe - whether for heat or domestic use will also work. The same holds true for gas piping. Electric appliances fueled with gas have their pipes connected to ground via the electrical cord and electrical service. You could also obtain a "3 wire" cord cap from you hardware store, and connect an wire to the ground terminal of the cord cap, and plug it directly into a grounded electrical outlet to obtain a good ground. If you do not ground the wires, the noise will likely be worse than before at the wire acts like an antenna for other noise sources. You may also have luck connecting to the ground terminal on many of the older amplifiers - as many turntables required ground, too - and this was the method used.

Good luck!

Posted on Apr 01, 2014

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Welcome to FixYa.

When going from three wire to four wire or the opposite, the neutral will always be the difference ( white wire ) leaving black, red and green ( L1, L2, and G ) OR black, white, red and green ( L1, N, L2 and G ).

Anytime there is a green wire present unless otherwise specified, it is ground/earth. Therefore it must attach to the cabinet/chassis somewhere and somehow.


Hope that answers your question.

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