1. Bakelite injection moulding makes it heat resisting and high hardness, which can protect the sockets board from melting or hurt by the plug during using. It also has a high resistance, which can stay away from high voltage or high currency.
2. This extention socket is using silver connection, so it has very good conductive property, which keeps switch part away from high tempreture, in order to stay away from fire disaster.
3. Extention socket uses 0.6mm phosphor copper makes it has very good elasticity, which finally make the extention sockets durable.
4. By using 1.5mm purple copper cable, which is larger than common. We use screw to press hard to take place of welding, coz' welding connection sometimes is easy to be off.
5. It has enough space to use every socket( it is too narrow in space between sockets in common products)