Tethered and Untethered Units
Tethered and Untethered Charging points explained
An untethered electric car charger gives you flexibility. you will need to use the car's own charging cable with these chargers.
Tethered electric car chargers give you ease and convenience, all you do is take the cable from your tethered unit and plug it in to your vehicle
To find a list of electric vehicles aproved for the OZEV grant