Ingress Protection
IP (INGRESS PROTECTION) protection system is composed of IEC (INTERNATIONAL ELECTROTECHNICAL COMMISSION) drafted. The electrical characteristics of its dust-proof moisture be graded. Foreign objects referred to here with tools, as people's fingers can not come into contact with live parts inside appliances to avoid electric shock. IP protection class is composed of two numbers, the first number indicates an electrical dust, prevent foreign objects from the level of intrusion, the first two numbers indicate the electrical anti-moisture, water intrusion degree of confinement, the larger the number the more level of its protection high.