Terms beginning with P in Electrical Protection category referencing BS 7671
Standard or regulation
BS 7671
BS 7671 is the UK national standard for electrical installations, covering the design, erection, inspection, testing and verification of low-voltage electrical systems. Section 722 contains specific requirements for supplies to electric vehicles.
P
PEN-Fault Protection (PEN)
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.
PME Earthing
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
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.