400 amp inductive panel meter
Thought this might be https://www.ebay.com/itm/bayite-DC-5-120V-400A-Mini-Digital-Current-Voltage-Amp-Meter-Gauge-with-Hall/202473558490?epid=10023311252&hash=item2f245d51da:g:alQAAOSwxxVbx7NA:rk:2:pf...
Forum Discussion
I don't know but that wire they show for the current carrying wire. at 400 amps that puppy is a flash bulb.
