BS EN 12312-20:2026

This document deals with all significant hazards, hazardous situations or hazardous events relevant for electrical ground power units as listed in Clause 4 and specifies the technical requirements to minimize the hazards which can arise during the commissioning, operation and maintenance of ground power equipment, when it is used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer or his authorized representative. It also takes into account some performance requirements recognized as essential by authorities, aircraft and ground support equipment (GSE) manufacturers as well as airlines and service companies. This document is applicable to: - ground power units either self-propelled or towable; - ground power equipment when mounted on other GSE; - ground power accessories intended for ground power equipment (including accessories for fixed equipment). This document does not apply to: - the electrical characteristics of the supply, the type of power supply system and related measures against contact; - any electrical supply system not intended for aircraft use; - the on-board electrical system of the aircraft. This document does not specify requirements for noise and vibration. Noise and vibration are dealt with respectively in EN 1915-4:2004+A1:2009 and EN ISO 31915-3:2026. This document does not deal with hazards in respect to a standard automotive chassis and from other vehicles on the apron. This part of EN 12312 does not apply to ground power equipment which is manufactured before the date of publication of this document by CEN. This part of EN 12312 is intended to be used in conjunction with EN 1915-1:2023, EN 1915-2:2026, EN ISO 31915-3:2026 (for vehicles) and EN 1915-4:2004+A1:2009.