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