2000EN 60439-2:2000 Low-Voltage Switchgear and Controlgear Assemblies Part 2: Particular Requirements for Busbar Trunking Systems (Busways) (Incorporates Amendment A1: 2005)
1993EN 60439-2:1993 Low-Voltage Switchgear and Controlgear Assemblies Part 2: Particular Requirements for Busbar Trunking Systems (Busways)