Every station should ideally have a single reference point for all grounds. Connecting to multiple disparate earth grounds (e.g., one for the AC service and another for the radio) creates ground loops , which can introduce hum and invite lightning surges into the shack.
In the amateur radio world, "grounding" and "bonding" are frequently used interchangeably, but they serve distinct purposes: Power, Grounding, Bonding, and Audio for Ham Ra...
Proper power management is the first line of defense for both the operator and the gear. Every station should ideally have a single reference