IEC 60076-14 Ed.1:Power Transformers - Part 14: Liquid-immersed power transformers usinghigh-temperature insulation materials

IEC 60417-5995 Pr: Do not immerse in any liquid

Survey and call for experts and project leader - TS 50537-2: Railway applications - Mounted parts of the traction transformer and cooling system - Part 2: Pump for insulating liquid for traction transformers and reactors

Survey and call for experts and project leader - TS 50537-4: Railway applications - Mounted parts of the traction transformer and cooling system - Part 4: Gas and liquid actuated (Buchholz) relay for liquid immersed transformers and reactors with conservator for rail vehicles

Survey and call for experts and project leader - Power transformers and reactor fittings - Part 2: Gas and oil actuated relay for liquid immersed transformers and reactors with conservator

Survey and call for experts and project leader - Power transformers and reactor fittings - Part 3: Protective relay for hermetically sealed liquid-immersed transformers and reactors without gaseous cushion

Survey and call for experts and project leader - Power transformers and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers

Survey and call for experts and project leader - Power transformers and reactor fittings - Part 8: Butterfly valves for insulating liquid circuits

IEC 60974-2 Ed 3: Arc welding equiment - Part 2: Liquid cooling systems

Proposed IEC/EN50181 Ed.1: Plug-in type bushings above 1kV up to 52kV, from 250A to 2,5kA, for equipment other than liquid filled transformers