Directives Volume VII Protective measures and safety precautions
PREFACE
TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION
    1.1 Aim and scope of the Directives
    1.2 Structure of the Directives
CHAPTER 2 ASSIGNMENT OF PROTECTIVE MEASURES TO DIFFERENT CASES OF DANGER AND DISTURBANCE
CHAPTER 3 PROTECTIVE MEASURES APPLIED ON THE TELECOMMUNICATION SIDE
    3.1 Increasing the distance between telecommunication line and power line
    3.2 Replacement of overhead lines by cables
    3.3 Cable with improved screening factor
    3.4 Cables with increased dielectric strength
    3.5 Optical fibre cables
    3.6 Radio-relay links
    3.7 Multiplex systems
    3.8 Screening conductors
    3.9 Line transformers
    3.10 Isolating transformers
    3.11 Neutralizing transformers
    3.12 Active reduction system
    3.13 Protective coils
    3.14 Coupling coils
    3.15 Drainage coils
    3.16 Improvement of balance
    3.17 Overvoltage arresters
    3.18 Voltage-limiting semi-conductor components
    3.19 Protection from contact with high voltages
    3.20 Particularities of the interconnection between telecommunication circuits of power distributors with ...
CHAPTER 4 PROTECTION OF STAFF AND OF TELECOMMUNICATION INSTALLATIONS AGAINST THE ADVERSE EFFECTS OF HIGH ...
    4.1 General - Limiting values
    4.2 Rise in earth potential
    4.3 Various types of earth faults
    4.4 Methods for the protection of telecommunication installations against adverse effects of rise of earth ...
    4.5 Examples of protective devices in current use for the protection of telecommunication circuits at ...
CHAPTER 5 MEASURES APPLIED ON THE POWER-SIDE TO REDUCE DANGER AND DISTURBANCES
    5.1 Earth wires of overhead power lines with an improved screening factor
    5.2 Cables with improved screening factor
    5.3 Compensating conductor in vicinity of a power line
    5.4 Limitation of inducing current in three-phase ac systems
    5.5 Reducing the inductive coupling of ac electrified railway systems
    5.7 Secure installation of power lines
    5.8 Transposing the phase conductors of overhead power lines
    5.9 Crossing of cable sheaths and transposition of single-core power cables
CHAPTER 6 SAFETY PRECAUTIONS FOR STAFF WORKING ON TELECOMMUNICATION LINES IN WHICH DANGEROUS VOLTAGES MAY BE INDUCED
    6.1 General considerations
    6.2 Precautions for staff working on lines
    6.3 Precautions for staff working in switching centres