50 Amp Connector - Easy to install with color coded wire installation. W=white wire G=green wire X=red wire Y=black wire Fits Marinco, Hubbel and Furrion 50 amp power inlet boxes used on RVs, boats, and other applications Locks into the power inlet with 1/8 of a turn. Use with 50A 125/250V 4-wire cable Conforms to UL standards, Certified to CSA standards Replacement power cord end commonly used on RV or Marine with 50 amp service. Color coded terminals for easy installation