BS EN 60439-2:2000

1 General
2 Definitions
3 Classification of ASSEMBLIES
4 Electrical characteristics of ASSEMBLIES
5 Information to be given regarding the ASSEMBLIES
6 Service conditions
7 Design and construction
8 Test specifications
Annex J (informative) Voltage drop of the system
Annex K (informative) Method of determination of the
                      magnetic field in the vicinity
                      of busbar trunking system
Annex L (informative) Verification of maintenance circuit
                      integrity under fire conditions
Annex M (informative) Test arrangement (see IEC 60332-3)
Annex N (informative) Method of determination of the
                      electrical characteristics of busbar
                      trunking systems by calculations from
                      measurements
Annex ZA (normative) Normative references to international
                      publications with their corresponding
                      European Publications

Definitions, calculations of resistance and reactance, types of mechanical load, connection of tap-off units, type tests, temperature rise tests, verification of structural strength and endurance of systems with trolley type tap-off facilities.