BS EN 61466-1:2016 Composite string insulator units for overhead lines with a nominal voltage greater than 1000 V. Standard strength classes and end fittings
2016BS EN 61466-1:2016 Composite string insulator units for overhead lines with a nominal voltage greater than 1000 V. Standard strength classes and end fittings
1997BS EN 61466-1:1997 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V. Standard strength classes and end fittings