The standard is being translated and is in the "10.99 Start" state.
From plan 2011
Applies to insulators of ceramic material or glass for use on a.c. overhead power lines with a nominal voltage greater than 1 000 V and a frequency not greater than 100 Hz. Also applies to insulators for use on d.c. overhead electric traction lines and applies to string insulator units, rigid overhead line insulators and to insulators of similar design when used in substations.
Directives related to this standard.
Interoperability of the trans-European high-speed rail system