IP69K rated protection. Each device has been carefully engineered to offer reliability, efficiency, and added safety protection in demanding wet locations, particularly where harsh wash-downs are a must #8-#2 AWG, #10-#2 AWG (Ground), #12-#16 AWG (pilot) 120/208V, 4 pole, 5 wire Spring loaded self closing cap with silicone gasket protects contacts wehn not in use. Watertight cap meets IP67 and IP69K protection standards Impact resistant thermoplastic contact carrier provides superior electrical insulation and V10 flammability rating Nickel plated contacts with self-cleaning field-proven pressure bands for smooth pin insertion, low heat rise, corrosion resistance and quality electrical performance back box style