CONTENTS

 1     Scope 
 2     References 
 3     Definitions  
 4     Abbreviations   
 5     Telecommunication particular workplaces 
 6     Voltage levels on TLC installations           
 7     Work practices on TLC plant in particular environments   
        7.1     Switching off power supply
        7.2     Practices to be used when working on live telecommunication circuits         
 8     Work on telecommunication installations at risk of electric shock   
        8.1     Work on equipment or devices (terminal box, etc.) 
        8.2     Works on cables   
Appendix I – Rationale of safe voltage limit values for workplace at major risk of electric shock    
        I.1        Operating cases   
        I.2        Calculation assumption     
        I.3        Limit current calculation    
        I.4          Voltage limit calculation