EV Charging Terminology

A manufacturer-specific code used to identify a product, model variant, spare part or orderable charger configuration. It is normally used to keep manufacturer, product, support and procurement information consistent across charger listings.

PAS 1899:2022 is the UK accessible charging specification covering the design of public charge point environments, charger placement, physical accessibility and user information. It focuses on making public EV charging more usable for disabled and older drivers.

A charger mounted on a post, pedestal or stand rather than directly on a wall. It is normally checked against mounting method, exposure, durability, access requirements and the conditions at the installation location.

PEN-fault protection is protection against hazards caused by a broken or open combined protective and neutral conductor in PME/TN-C-S supplies. It is normally assessed during product selection, circuit design, installation verification and maintenance of EV charging equipment.

Plug & Charge allows a compatible vehicle and charger to authenticate automatically through the charging connection without separate RFID or app steps. It is normally assessed alongside interoperability, supported protocol versions, firmware support and backend compatibility.

PME earthing is an earthing arrangement where the supply uses Protective Multiple Earthing with a combined neutral and protective function upstream. It is normally assessed during product selection, circuit design, installation verification and maintenance of EV charging equipment.

PME protection refers to protective measures used to address risks associated with Protective Multiple Earthing supplies, especially open PEN faults. It is normally assessed during product selection, circuit design, installation verification and maintenance of EV charging equipment.

Power daisy chaining uses a supply arrangement where power is routed from one charger or connection point to another in a chained layout. It is normally assessed alongside phase availability, circuit capacity, protective devices, cable sizing and DNO/site constraints.

Power output is the electrical power a charger can deliver to an EV, normally stated in kilowatts. It is normally assessed alongside phase availability, circuit capacity, protective devices, cable sizing and DNO/site constraints.

Power sharing divides available charging power between multiple outlets or chargers, often reducing output when more vehicles are connected. It is normally assessed against site capacity, maximum demand, charger grouping and the behaviour expected when electrical demand changes.

Power supply refers to the electrical supply arrangement feeding a charger or group of chargers. It is normally assessed alongside phase availability, circuit capacity, protective devices, cable sizing and DNO/site constraints.

The main use case a charger is designed or commonly specified for, such as domestic, workplace, fleet, public or destination charging. It is normally used to match charger features to the intended environment, utilisation pattern and user group.

A group of related charger models that share a common design, platform, enclosure or product range name. It is normally used to keep manufacturer, product, support and procurement information consistent across charger listings.

The public-facing name used to identify a specific EV charger model or product range. It is normally used to keep manufacturer, product, support and procurement information consistent across charger listings.

The current lifecycle state of a charger, such as active, new, discontinued, legacy or not currently available. It is normally used to keep manufacturer, product, support and procurement information consistent across charger listings.

The Public Charge Point Regulations 2023 are UK regulations for public EV charge points covering contactless payment, payment roaming, price transparency, open data, helplines and rapid charge point reliability. They apply to relevant public charging provision across the UK.

EV charging infrastructure available for use by members of the public, including on-street, rapid, destination and en-route charging. It is normally assessed alongside authorisation method, user experience, accessibility, payment flow and support requirements.