Table of Contents

 1     Scope          
 2     References
 3     Definitions 
 4     Abbreviations and acronyms             
 5     Telecommunication particular workplaces   
 6     Voltage levels on TLC installations   
 7     Work practices on TLC plants in particular environments       
        7.1     Switching off the 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     Work 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             
Bibliography