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Can 4 Gauge Wire from a Battery Isolator be Used to Power a Small Winch  

Question:

Using a battery isolator to charge a trailer battery. Can the charging wire #4 gauge be also used to power a small winch? 30 amp. Without towing a trailer

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Expert Reply:

Yes, you could use the Pollak 2-Pole Trailer Wiring Connector and a 4 gauge wire to power a small winch as long as the wire gauge for the winch is not thicker than 4 gauge. Since the winch is small, it likely uses 8 or 10 gauge wire, so you should be fine.

I have attached a help article that explains different methods for wiring an electric winch for you to check out.

expert reply by:
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John H

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