A typical wiring diagram for the unit with the pocket at the bottom. More switches could control heaters, air conditioners etc. Neons are optional depending on whether you want to illuminate the pocket. Each switch can handle up to 20amps directly without the need for any other contactor etc.
A typical wiring diagram for the card pocket at the top and an exposed external switch for a courtesy light or room light inside the room (a second exposed switch on the pocket could combine the bathroom light switch so the unit can replace the need to have a separate light switch plate).
A simple way to convert an existing light switch into an energy saving switch. See yellow highlighted items on Price List for the required part numbers.