NF C66-030/A2*NF EN 60168/A2:2001 Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1 kV.
2001NF C66-030/A2*NF EN 60168/A2:2001 Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1 kV.