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Re: [PSUBS-MAILIST] Wire Size



Hi Frank,
 
Thanks for your input. I finished welding the cone on today, quite a project.
 
Best Regards,
 
Jim K
----- Original Message -----
Sent: Thursday, January 15, 2009 12:18 PM
Subject: Re: [PSUBS-MAILIST] Wire Size

Hi Jim. Most of the psubs I've seen use automobile sized cables from the batteries to a main junction block. With any DC circuit it's important to keep the runs as short as possible. The larger the cable.....the less the voltage drop. Stranded wire has less drop than solid wire. Once the junction block is connected, power goes from there to the speed controller, and then to the motors. ( another set of connectors at each through-hull)
 With the Minnkotas I'm using, (36 volt-46 Amp ) the wires simply plug into the speed controller with spade terminals, and the same size wire will go from the junction block to the controller with spade terminals.In-line circuit breakers or a fuse block needs to be in there somewhere. Basically, keep it as simple and short as possible. Once the wire runs are connected, seal it all up with heat shrink wrap, and coat the connections with a good electrical sealer that you can get at the marine store. Frank D.