ANSI/NEMA WC 67-2015涵盖单端（实心）和绞合、涂层和未涂层铜、涂层铜合金、涂层铜包钢、铝和热电偶延伸非绝缘导线，主要用于航空航天、电气、电子和其他高性能应用的绝缘导线。

ANSI/NEMA WC 67-2015 covers single-end (solid) and stranded, coated and uncoated copper, coated copper alloy, coated copper-clad steel, aluminum and thermocouple extension uninsulated conductors used primarily in insulated wires for aerospace, electrical, electronic and other high-performance applications.