Quote Originally Posted by cropwell View Post
Hi Brian,

I have a feeling that the spindle connectors are GX-20 or a derivation thereof. I am pretty sure that the GX series started out as aviation audio connectors (pilot's headset) and have been taken on by the world of amateur CNC. They are useful connectors though, but probably a bit too lightweight to chew mains voltages, but OK for small steppers and signals.

Cheers,

Rob
Yes, i have found some spindles with these audio connectors. Also found guys using audio screened cable on 2.2Kw spindle motors. That is why i said some suppliers wrongly use these connectors. And some diy hobby builders use the wrong cables.