An electricity conducting cord has first and second ends, one of the ends comprising an electrical connection member engageable with a power connection member of an apparatus having an apparatus power rating, at least one of the power connection member and the electrical connection member comprising electrical connectors and a physical cord identification member, the physical cord identification member is configured to inhibit the electricity conducting cord being electrically connected to the power connection member if the electricity conducting cord has a power rating lower than the apparatus power rating.