I bought some Alumiconn terminals to connect 3 copper AWG 10 wires (more secure than wire nuts):
There is corrosion inhibitor paste inside each hole. Amazon product description described it thus: "Ports of connectors contain a layer of corrosion inhibitor that provides resistance from oxidation."
Can these be detrimental to the conduction of the copper (maybe forming insulator layers)?
Also these can be used in all pure copper wires (all of the 3 wires) right?