Madxe in the UK. Our US 3-pin power plug is NEMA 5-15 (15 Amp 110V) to CEE 110V 16Amp socket provides an easy convesion of 110 volts from a US NEMA 5-15R Socket. These power outlets are found in the US, Canada, Mexico and Japan as the single phase electricity supply. Also, some 230v to 110v step-down transformers may also have these outlets. Our handy conversion cable provides an easy way to instantly convert from the NEMA socket to the European CEE standard 16A yellow socket.