Color of Black, Gauge of 6, Group of TP06100, Length (FT) of 100, TAP Type of Single Tap. Our duty 6/3-8/1 Temporary Power Extension Cords are molded with our exclusive “CGM” Continuous Ground Monitoring . These CGM have lighted amber power check male plugs with green ground check female connectors. These cords are used with “spider boxes” or “power sleds” to provide power from temporary power poles or jobsite generators. These boxes have multiple outlets of 15A, 20A, and 30A, providing power for portable power tools and lighting equipment.