AS NZS 60214.1:2020 pdf free.Tap-changers Part 1: Performance requirements and test methods (IEC 60214-1:2014 (ED.2.0) MOD). 5.1.2 Compartments for diverter and selector switches The liquid filled compartments for diverter and selector switches shall be liquid-tight. The gas filled compartments for diverter and selector switches shall be gas-tight. Where appropriate, pressure and vacuum withstand values shall be declared by the manufacturer....