North west " Nowa" offers you Slim and sleek design, elegant looks, additional safety, stronger fitment, withstanding glow wire test and higher fire retardant capability. It has three round pins in a triangular pattern. The earth terminal is slightly larger than the live and neutral terminals. The round earth terminal is the central top pin in a three pin socket and is slightly larger than the live and neutral terminals. Shuttered sockets are best for safety purpose. This additional protection provides peace of mind for parents with small children, who may try inserting a foreign object into the socket.