In the experiment, plugs and American style single 3 pin socket of rated current 10A are used under conditions of reduction and contact areas and contact vibrations. External heating temperature of 100°C, 200°C, 300°C, 400°C, 500°C, 600°C and 700°C are used to determine the characteristic law of samples.
http://outlethttp//www.zjtot.com/american-standard-switches-and-sockets/american-style-single-3-pin-socket-outlet.html