SpecificationsNEMA 14-30R Receptacle With Protective Box Power Socket. Parameters:ETL Listed,30Amp 125/250Volt,3Pole 4Wire Grounded Type IP66 Protection. Function: Reinstall or replace your home/outdoor outlet. Excellent Desigh:The Power Socket Protection Box Made of New High-Quality PP And PVC Materials Replaces The Traditional Iron Box Protection,With A Light And Solid Appearance.Enclosed Weatherproof And Rustproof,Excellent Protection For Internal Power Socket Cost-effective. Widely Used:It is suitable for washing machines and dryers for power supply, dustproof and waterproof protection sockets. It is also widely used in home appliance work, RV, campsite and electric energy vehicle charging.