My 2 cents on grounding. In the studio we use star-point grounding. That means we only ground the shield of a cable at one end – the star-point. (We use our patch bay as the star point.) As long as a cable is grounded at one end, the shield works. Part 2 of star-point grounding is to ground the chassis of each piece of gear to the same star point. We use isolated ground a/c receptacles. The a/c receptacle is colored orange. (You see them a lot in hospitals and other places where proper grounding is critical.) The ground of each orange receptacle has a direct wire to the a/c ground at the panel, and this is also attached to the star-point. This approach best avoids ground loops. If one end of the shield is lifted, no current can flow. That said, we don’t use star-point in the field as it’s a bit unwieldy, if not impossible. We do carry ground lift adaptors for a/c and xlr cable as that can help with ground issues in the field.
John
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