NOTE 1 External electric circuits include external electric power supplies and external electric loads.
NOTE 2 The requirements when not connected to external electric circuits are specified in the ISO 13063 series.
NOTE 3 The safety requirements for DC EV supply equipment where protection relies on electrical separation are specified in IEC 61851‑25.
NOTE 4 The safety requirements for DC EV supply equipment where protection relies on double or reinforced insulation are specified in IEC TS 61851‑3‑1 and IEC TS 61851‑3‑2.
BSI recommends this version of standard for organisations operating in or with the UK. The ISO edition is available here if required.