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Wiring Question

So I have the butt connectors, fuse holder etc. and am about to do some wiring for my fish finder. I'm just adding a 3 amp inline fuse.

http://www.mafishfinder.com/phpBB2/dedicated-sonar-battery-help-t8206.html

My question is about different wire gauges. The wire from the battery source is 18 gauge and the inline fuse wire is 16 gauge. Is that ok going from smaller gauge to bigger since the power draw is going through the smaller gauge wire first?
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Posted Sat Mar 16, 2013 5:55 pm

Yes Sam that wire is fine even though it's a different size. The important factor is the fuse. Both 18 and 16 guage wire will handle the load with no problem.
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Posted Sat Mar 16, 2013 7:40 pm

Should be good to go. I worried about the same thing with my wiring my fish finders in the past. Difference in wire size did not create problems with me. Go for it.
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Posted Sun Mar 17, 2013 5:28 am

Sam think of electricity is like water. If you went to a larger pipe you wouldn't interupt the amount of flow. If you went to a smaller pipe the flow could slow down as it gets choked up.

You'll be perfectly fine with that fuse holder.
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Posted Sun Mar 17, 2013 6:38 am

No problems sam , as the guys said befor its the 3amp fuse that matters. if it was a 30 amp fuse u could run into som trouble. if u short out the positive wire
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Posted Sun Mar 17, 2013 7:12 am

No problems sam , as the guys said befor its the 3amp fuse that matters. if it was a 30 amp fuse u could run into som trouble. if u short out the positive wire
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Posted Sun Mar 17, 2013 7:14 am

thanks for the help guys. i think i'm good to go.
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Posted Sun Mar 17, 2013 7:14 am

Sam
Don't use eletrical tape even though you have butt conectors always use a srink wrap on them after,water can get by everthing
just a little added protection.
Jack
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Posted Sun Mar 17, 2013 9:36 am

flymaster1

Sam
Don't use eletrical tape even though you have butt conectors always use a srink wrap on them after,water can get by everthing
just a little added protection.
Jack

true but unless you use marine shrink wrap with glue inside, shrink wrap leaks too.
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Posted Sun Mar 17, 2013 1:26 pm

blackgts2002

flymaster1

Sam
Don't use eletrical tape even though you have butt conectors always use a srink wrap on them after,water can get by everthing
just a little added protection.
Jack

true but unless you use marine shrink wrap with glue inside, shrink wrap leaks too.



You are correct, I did mean marine shrink wrap thank you for the correction
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Posted Mon Mar 18, 2013 5:47 pm

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