2018BS EN IEC 63044-3:2018 Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). Electrical safety requirements
2010BS EN 50491-3:2009 General requirements for home and building electronic systems (HBES) and building automation and control systems (BACS) - Electrical safety requirements
1997BS EN 50090-2-2:1996+A2:2007 Implementation of EN 50090-2-2:1996 Home and building electronic systems (HBES) — Part 2-2: System overview — General technical requirements
1997BS EN 50090-2-2:1996 Home and Building Electronic Systems (HBES) - System overview - General technical requirements