I received a nice answer from Jay, WX0B, who distributes ICE products.
He attached a schematic, so I'll forward his reply to anyone else
wanting to know the answer.
> Jim McDonald wrote:
> >How can one tell if used ICE coax arrestors or 8-conductor control cable
> >arrestors are still good? DC continuity on the center conductor of the
> >arrestors? DC continuity of the control cable arrestors? SWR connected
> >a dummy load for the coax arrestors?
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