TEMPERATURE MONITORING DEVICE

An electric vehicle supply equipment device (10) comprises a removable grid cord and a control module (38). The removable grid cord has an electrical power carrying conductor (44) terminated by an electrical plug (14) with a plug configuration selected from the list consisting of National Electrical Manufacturers Association (NEMA) standard 5-15 configured for a 120 V receptacle, NEMA standard 6-20 configured for a 240 V receptacle and CEE7/2 for a 240 V receptacle. The control module (38) is configured to communicate an indication of the plug configuration via the electrical power carrying conductor (44), wherein the control module (38) communicates the indication of the plug configuration by disrupting electrical power (16) carried by the electrical power carrying conductor.