This is a brand new power distribution switch for a 120 volt panel receiving power from SHORE and a second source (genny, inverter, etc). Mounting panel shows if power source is live and if reverse polarity is an issue. Made by BlueSea Systems item #8367. Cost was $220 but will sell for $125 plus shipping from 29205. It won't work for my application. Any questions please call Tom at 803-546-2499
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