.> ** There could still be a safety hazard on the chassis of the amp if the
> neutral and the ground wires were to break at the same time. Perhaps it
> would be wise to go with a 5-wire circuit ? There would be two line
> wires, the neutral wire, the ground wire plus the emergency-backup wire.
> On second thought, since #6 Cu wire is so easily broken, maybe an
> emergency-backup backup wire and a 6-wire plug/socket would be safer yet ?
A current sensor could be installed on the safety ground wire where it exits
the breaker panel. This could trigger a 6 inch fire alarm gong and red strobe
light so that the ham shack can be evacuated in a timely manner.
(((73)))
Phil, K5PC
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