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Hi All,

I had to stretch an MTH Rail King engine today to fit an 18 1/2” 3D printed body so a few wires had to be lengthened a few inches. What’s the gauge wire MTH uses for there connections, and where can I find some assorted colors? I found a few pieces I was able to use but I would of liked to have gone with the correct colors.  


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Plus 12 colors are available from most online electrical suppliers like Del Electric.

Due to the  light weight of 22 ga I find that FedEx rates are friendly.  Heavy ga like 12 and 14 are best picked up at an electrical supply house due to freight cost.

12 colors are common from most sources, 24 colors are also available at certain sites.



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Last edited by Tom Tee

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