John and all,

You can splice a short (3 to 4 inches) length of #12 wire to the #8 or #10 wire and it will not have negligible voltage drop due to the short length.
Make certain you have a good tight connection at the splice point.

73,
Don W3FPR

On 4/11/2018 12:02 PM, j...@kk9a.com wrote:
My 70amp Astron has 1/4" lugs and they seem to make a secure connection.
Do to my longer lead length (power supply on floor) I used 8ga wire. This
was difficult to stuff into the K3S sized PowerPole. Even with the shorter
leads that I use on contest expeditions along with a switching power
supply I found that I need 10ga wire to keep the voltage above 13.5 on TX.
I think that larger PowerPoles or studs would have been nicer for those
interested in keeping the K3S voltage in the desirable range. Double as
Joe suggested would also work if you wanted to run two sets of wires.
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