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profdant139's avatar
profdant139
Explorer II
Mar 26, 2022

Butt splice connector to join 10 gauge to 12 gauge wire?

I need to join 10 gauge to 12 gauge -- and believe it or not, I have never used butt splice connectors. I've done my Internet research but have not been able to answer these two questions with any ce...
Skibane's avatar
Skibane
Explorer II
Mar 27, 2022
LittleBill wrote:

care to explain why?


When the solder cooled back to its solid state, it never gave a mechanical connection strong enough to resist even a little bit of tugging.

A good hand-soldered connection requires quite a bit of solder and heat to really wick into the wires.

In these heat-shrink solder butt splices, there just isn't enough solder (or heat) present to accomplish that.

Instead, the solder just forms a small crusty blob around the outside of the wires.

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