UNE-EN 61334-3-22:2001 Distribution automation using distribution line carrier systems -- Part 3-22: Mains signaling requirements - MV phase-to-earth and screen-to-earth intrusive coupling devices (Endorsed by AENOR in July of 2001.)
2001UNE-EN 61334-3-22:2001 Distribution automation using distribution line carrier systems -- Part 3-22: Mains signaling requirements - MV phase-to-earth and screen-to-earth intrusive coupling devices (Endorsed by AENOR in July of 2001.)