NEMA BU 1:2002

Preface
Foreword (ANCE)
Foreword (CSA)
Foreword (UL)
1 Scope
  1.1 Scope and object
  1.2 Normative references
  1.3 Components
  1.4 Fittings
  1.5 Short-run busway
  1.6 Insulating materials
2 Definitions
  2.1 General
  2.2 Constructional units of assemblies
  2.3 External design of assemblies
  2.4 Structural parts of assemblies
  2.5 Conditions of installation of assemblies
  2.6 Protective measures with regard to electric shock
  2.7 Gangways within an assembly
  2.8 Electronic functions
  2.9 Insulation co-ordination
  2.10 Short-circuit currents
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 (l[cw]) (of a
       circuit of an assembly)
  4.4 Rated peak withstand current (l[pk]) (of a circuit
       of an assembly)
  4.5 Rated conditional short-circuit current (l[cc])
       (of a circuit of an assembly)
  4.6 Rated fused short-circuit current (l[cf]) (of a
       circuit of an assembly)
  4.7 Rated diversity factor
  4.8 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
  6.1 Normal service conditions
  6.2 Special service conditions
  6.3 Conditions during transport, storage, and erection
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 Switching devices and 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 supply circuits
  7.10 Electromagnetic compatibility
  7.11 Description of the types of electrical connections or
       functional units
8 Test specifications
  8.1 General (reserved)
  8.2 Type tests
  8.3 Routine tests
Annex A Standards for Components
Annex B Standards Referenced in the Trinational Busway
        Standard
Annex C Pressure Terminal Tightening Torque
Annex D Applicable Clauses
Annex E French Translations and Markings

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