4866 6-15 NEMA YELLOW PLUG | Solid brass plug blades are firmly embedded in body. Resists chemical attack and is less brittle in extremely low temperatures. With terminal screw clamps. Combination Slot/Phillips head mounting and terminal screws for installation flexibility (Slot/Robertson screws in Canada where available). Terminal screws backed out, ready for wiring. Yellow color. Meets all UL 498 requirements.