Well, it turns out that the new Bosch dishwasher (see link below) is
quite noisy on HF. It looks like I can wind choke on the A/C supply and
tuck it under the unit without interfering with anything. The choke
would be right at the supply line hookup on the dishwasher.
I'd rather not wrap the 3 wire Romex directly around a ferrite ring so
I'll have to get cable better suited for this purpose. I seem to recall
a commercial A/C choke with the appropriate connections inside an
enclosure. That might be a safer approach.
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