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Old 04-28-2009
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Running wire that is slightly oversized is actually a good idea, if you can afford to do it. It will help protect the boat in case of a short, since the wire will be less likely to heat up and cause a fire before the fuse blows or circuit breaker trips. It also can give you expansion capability for future use. I generally recommend running wire that is at least one size, if not two, larger than what the circuit or equipment requires.

Quote:
Originally Posted by Coreyboy18 View Post
So I saw this post, and while I am referencing Don Casey's Sailboat Electrics Simplified, I still have this question: Can I have a wire that is "too big"? And I don't mean a 2 gauge(AWG) wire for a 25 watt light, but if I bought a 12 gauge wire to run my electronics (which include VHF, knot meter, cabin lights, small cabin fan, steaming light, running lights, bilge pump...and I think that is it actually), would that be a big enough gauge. And I also mean that they will be on separate circuits. Thanks in advance!
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
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