| In force components | 
| Number 
 | Title | Status | 
| K.46 (05/12) 
 | Protection of telecommunication lines using metallic symmetric conductors against lightning-induced surges | In force 
 | 
| 
 | 
| Superseded and Withdrawn components | 
| Number 
 | Title | Status | 
| K.46 (12/00) 
 | Protection of telecommunication lines using metallic symmetric conductors against lightning induced surges | Superseded 
 | 
| K.46 (07/03) 
 | Protection of telecommunication lines using metallic symmetric conductors against lightning-induced surges 
 | Superseded 
 | 
| K.46 (04/08) 
 | Protection of telecommunication lines using metallic symmetric conductors against lightning-induced surges | Superseded 
 |