- High Capacity: this extension socket was specifically designed for electrical appliances which are up to 6000W. It has an unique design and uses for 3 hot-pots at the same time - Shockproof: plastic ABS cover, not broken even when falling down from 5 meter high. Avoid burning and heatproof: the cover of this extension socket was made from amino formaldehyde which can avoid burning in order to protect your devices. The core inside is porcelain and that is a reason why it can use for 3 hot-pots at the same time - Easy to connect the wire: the pole connector is casted and it certainly is easy for users to connect the wire. This extension sockets was highly recommended to use the wire which is bigger than 2.5mm in order to use up to 6000W