An add-on adapter 110 enables a single charging port 102 of an electric vehicle charging station 100 to simultaneously charge two electric vehicles. An adapter controller 120 determines the available charging rate offered by the charging station. Electric ...

A temperature sensor 120 automatically shuts down charging operations in response to a temperature increase in a charging handle 150 of an electric vehicle charging station 100. The temperature sensor is connected between a ground conductor and a high volt...

A circuit measures temperature in a charging handle 150 of an electric vehicle charging station (EVSE) 100. A temperature sensor is connected between a control pilot line 115 and ground line G in the charging handle of the EVSE. The control pilot line tran...

A method detects a shorted charging cable of an electric vehicle charging station. A charging cable of the electric vehicle charging station is determined to not be connected to an electric vehicle. An impedance test may then be performed between conductor...

A method of managing an electrical power distribution system for a healthcare facility having electrical loads that include critical loads requiring highly reliable power delivery. A controller receives signals from devices in the power distribution system...

A point-of-use energy status indicator (10) monitoring the presence or absence of energy at a monitored device (18) that is required for proper operation of a point-of-use device (14). The point-of-use indicator (10) being in two-way communication with a s...

A vehicle charging and selection system for kiosk operated electrical vehicles. The system includes a utility connected AC charging source, a battery-to-battery DC charging source, a number of vehicle charging stations, a local power bus connectable to bot...