BS EN 60079-6 AMD1. Explosive atmospheres. Part 6. Equipment protection by liquid immersion "o". Part 6: Equipment protection by liquid immersion "o"— 8 стр.
Superconductivity - Part 14: Superconducting power devices - General requirements for characteristic tests of current leads designed for powering superconducting devices (IEC 61788-14:2010) (english version)
High-voltage switchgear and controlgear -- Part 102: Alternating current disconnectors and earthing switches ((IEC 62271-102:2018) EN IEC 62271-102:2018) (english version)