Keep the lights on whether you are at home, on the road, or on the water with the Dumble Generator Plug Lock for 50 Amp 125/250 Volt Power Cords. ETL certified safety compliant, the SS2-50R female connector can be used with transfer switches and power inlet boxes. This twist lock plug power adapter is constructed from copper with a nylon base housing this 3 phase 4 wire locking plug provides a safe grounded route for unbalanced currents to protect your recreational toys from overheating. Easily install this outside generator outlet by clamping your cords to the strain reliefs inside the base and crimp the green wire to an appropriate grounding spot. Compatible with 6AWG/4 ST, STW, STOOW, STOW, SOW, SOOW and 6AWG/3+8AWG/1 ST, STW, STOOW, STOW cables to power your next adventure. Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm.