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Mr. Pavariangoo: <br /> <br />From what I've seen and read on your other posts, I believe you are building a layout in N scale that is about 3 ft. by 5 ft. The hookup wire for this size layout does not need to be anything larger than 18 ga. due to the fact that it isn't carrying power very far. Larger conductors work better for longer runs because there is less voltage drop along the run when using the larger wire. As has been suggested, go to one of your local hardware stores and ask about their wire selection. Check the wire out for yourself. If the stranded looks easy enough for you to work with, get a little bit and try it out for your application. If you don't like the idea of using stranded wire, get some solid wire and try that out. Again, for the size of your layout, you should not need any more than 18A.
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