HS4-10LC convertor leakage protector has 10A single-phase double pole and 10A three-hole socket, which is applied to connection with power supply of air conditioner, refrigerator, washer, water dispenser, electric pressure cooker, rice cooker, and other daily household appliances with rated current less than 10A, and it has the functions of power leakage, shock protection, and timely power turn off.