Standard twist-on wire connectors are not suitable for terminating or splicing aluminum or copper-clad aluminum conductors.

A) True

B) False

True.

Explanation:

Twist-on wire connectors are a sort of electrical conduit used only to fasten two or more small tension (or extra-low tension) electrical conductors. They are also called wire nuts, wire connectors or cone connectors (because of their conical shape). They are not suitable for for terminating or splicing aluminum or copper-clad aluminum conductors.

Hence the above statement is true.