Table of Contents

1 General

1.1 Scope and Object

1.2 Normative References

2 Definitions

2.1 General

2.2 Constructional Units of Assemblies

2.3 External Design of Assemblies

2.5 Conditions of Installation of Assemblies

2.7 Gangways within Assemblies

3 Classification of Assemblies

4 Electrical Characteristics of Assemblies

4.9 Rated Current (Of a Cable Distribution Cabinet)

5 Information to Be Given Regarding the Assembly

5.1 Name Plates

6 Service Conditions

6.1 Normal Service Conditions

6.2 Special Service Conditions

7 Design And Construction

7.1 Mechanical Design

7.2 Enclosure And Degree of Protection

7.4 Protection against Electric Shock

7.6 Switching Devices and Components Installed In Assemblies

8 Test Specifications

8.1 Classification of Tests

8.2 Type Tests

Figures

Figure 1— Typical Distribution Network

Figure 2— Diagram of Test to Verify the Resistance to Static Load

Figure 3— Sandbag For Test to Verify the Resistance to Shock Load

Figure 4— Diagram of Test to Verify the Resistance to Shock Load

Figure 5— Diagram of Test to Verify the Resistance to Torsional Stress

Figure 6— Diagram of Test to Verify Impact Force Withstand

Figure 7— Diagram of Test to Verify the Mechanical Strength of Doors

Figure 8— Striker Element for Test of Resistance to Mechanical Shock Impacts Induced By Sharp-Edged Objects

Figure 9— Typical Test Arrangement for Mechanical Strength of Base

Annex A - Minimum And Maximum Cross-Sections Of Copper And Aluminium Conductors Suitable For Connection (See 7.1.3.2)