Apex RC Products 4.0mm Male / Female Gold Plated Bullet Connectors Plugs - 10 Pair #1103
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Make sure your solder joints are correct and good, and insulate from each other, as I've drawn over 120 amps through them without issue.
10ga with a touch of finesse!
It depends on the amps you intend to pull and the motor's connector size.
Selected User Reviews For Apex RC Products 4.0mm Male / Female Gold Plated Bullet Connectors Plugs - 10 Pair #1103
Soldering is always preferable to crimp or screw type banana plugs, which are also quite short. They can be used to make speaker wire cables for home theater setups. Simply use 1/4 inch heatshrink tube in black/red marine grade. They're great for home theater wiring that requires a lot of clearance. I use this brank for my esc and lipo setups, and I wanted to clean up the cabling behind my home theater because it was obtrusive. I used monster xp 16 gauge wire and marine heatshrink, and it looks so much better. Also, I'm more confident in the connections now than I was with the cheap screw-on banana cables I had previously.
The soldering was excellent. Gold plating of the highest quality. In addition, the price is excellent. The male and female ends are a perfect fit. To make the barrels corrosion resistant, I use a small amount of Dielectric grease. I used these on 12 gauge through 14 gauge wires because they corrode if they get wet and are difficult to disconnect. If you're patient with your soldering, 0mm will even fit 10 gauge.
The product is excellent.
I just finished soldering them to my latest RC airplane's ESC and motor. It's simple to do with only a little practice, and it has good conductivity. It really works.
When building RC airplanes, this is the ideal drill size for small holes and tight spots.
Excellent value for money.