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UL 979-2020 pdf download - Water Treatment Appliances. 2.9 BARRIER – A partition for the insulation or isolation of electric circuits, for the isolation of electric arcs, or for isolation of moving parts or hot surfaces. In...

UL 979-2016 pdf download - Water Treatment Appliances. 2.26 FIELD WIRING TERMINAL – A terminal to which a supply or other wire can be connected by an installer in the field. 2.27 MAXIMUM WORKING PRESSURE – The...