BS 5486-12:1989

Foreword
Committees responsible
Specification
1 Scope and general requirements
1.1 Scope
1.2 General requirements
2 Definitions
2.1 General definitions
2.2 Definitions concerning constructional units of
      ASSEMBLIES
2.3 Definitions concerning the external design of
      ASSEMBLIES
2.4 Definitions concerning the structural parts of
      ASSEMBLIES
2.5 Definitions concerning the conditions of
      installation of ASSEMBLIES
2.6 Definitions concerning protective measures with
      regard to electric shock
2.7 Gangways within ASSEMBLIES
2.8 Definitions relating to electronic functions
3 Classification of ASSEMBLIES
4 Electrical characteristics of ASSEMBLIES
4.1 Rated voltages
4.2 Rated current (of a circuit of an ASSEMBLY)
4.3 Rated short-time withstand current (of a circuit
      of an ASSEMBLY)
4.4 Rated peak withstand current (of a circuit of an
      ASSEMBLY)
4.5 Rated prospective short-circuit withstand current
      (of a circuit of an ASSEMBLY)
4.6 Rated conditional short-circuit current (of a
      circuit of an ASSEMBLY)
4.7 Rated fused short-circuit current (of a circuit of
      an ASSEMBLY)
4.8 Rated diversity factor
4.9 Rated frequency
5 Information to be given regarding the ASSEMBLY
5.1 Nameplates
5.2 Markings
5.3 Instructions for installation, operation and
      maintenance
6 Service conditions
7 Design and construction
7.1 Mechanical design
7.2 Enclosure and degree of protection
7.3 Temperature rise
7.4 Protection against electric shock
7.5 Short-circuit protection and short-circuit
      withstand strength
7.6 Components installed in ASSEMBLIES
7.7 Internal separation of ASSEMBLIES by barriers or
      partitions
7.8 Electrical connections inside an ASSEMBLY: Bars
      and insulated conductors
7.9 Requirements for electronic equipment
8 Test specifications
8.1 Classification of tests
8.2 Type tests
8.3 Routine tests
Appendices
A Minimum and maximum cross-sections of copper
      conductors suitable for connection
B Method of calculating the cross-sectional area of
      protective conductors with regard to thermal
      stresses due to currents of short duration
C Typical examples
D Typical arrangements of forms of separation by
      barriers or partitions
E Items subject to agreement between manufacturer
      and user
Tables
VIII Standard cross sections of copper conductors
      corresponding to the test current
101 Cross sections of copper conductors suitable for
      connection