Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 General
  4.2 Electrical rating
  4.3 Cables for earthing and short-circuiting
       4.3.1 Selection of cables
       4.3.2 Earthing cables used on solidly earthed (neutral)
             systems
       4.3.3 Earthing cables used on non-solidly earthed (neutral)
             systems
  4.4 Short-circuiting bars
  4.5 Connections of cables to rigid parts within devices
  4.6 Clamps
  4.7 Earthing and short-circuiting device
  4.8 Basic safety requirements for the insulating element(s)
       of the insulating component
  4.9 Marking
       4.9.1 General
       4.9.2 Marking on earthing and short-circuiting device
       4.9.3 Marking on clamp
       4.9.4 Marking on cable
       4.9.5 Marking on other components
  4.10 Instructions for use
5 Tests
  5.1 General
  5.2 Verification and checking
  5.3 Tests for the selection of cables
       5.3.1 Cables complying with IEC 61138
       5.3.2 Cables not complying with IEC 61138
  5.4 Fatigue and humidity penetration tests on cable
       with end fittings
       5.4.1 Fatigue test
       5.4.2 Humidity penetration test
  5.5 Tension test on cable with end fittings
  5.6 Test on clamps, permanent connection points and
       connections
       5.6.1 Tests for tightening types
       5.6.2 Tests for non-tightening types
  5.7 Short-circuit current test
       5.7.1 General
       5.7.2 Preparation of test pieces
       5.7.3 Test set-ups and test arrangements
       5.7.4 Test current, Joule-integral and duration
       5.7.5 Documentation and evaluation of the test
       5.7.6 Alternative means to short-circuit current test
             for conformity assessment during production phase
  5.8 Durability of marking
6 Conformity assessment
7 Modifications
Annex A (informative) Guidelines for portable equipment for
        earthing to be used on railway systems
Annex B (informative) Guidelines for earthing sticks
Annex C (informative) Guidelines for selection, use and
        maintenance of portable earthing or earthing and
        short-circuiting equipment
Annex D (informative) Guideline for determination of the
        equivalent r.m.s. value of a short-time current
        during a short-circuit of a given duration
Annex E (normative) List of type tests
Annex F (normative) Classification of defects
Bibliography

Abstract

Applicable to portable equipment, with or without matching connection points, for temporary earthing or earthing and short-circuiting of electrically isolated or de-energized a.c. and d.c. installations, distribution and transmission networks, whether they are overhead or underground or of low or high voltage.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 78