This standard specifies the copper flat wire wrapped with insulating paper method for testing potentially corrosive sulfur in mineral insulating oils. This standard applies to the testing of potentially corrosive sulfur in mineral insulating oils for oil-filled electrical equipment.
GB/T 3952 Copper drawing stock for electrical purpose*, 2016-08-29 Update
GB/T 5584.1 Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 1: General*, 2020-12-14 Update
GB/T 5584.2 Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 2: Rectangular copper and copper alloy wire*, 2020-12-14 Update
GB/T 7597 Method of sampling for transformer and turbine oils in electric power industry
DL/T 285-2012 history
2012DL/T 285-2012 Test method for corrosive sulphur in mineral insulating oils Copper conductor wrapped with insulating paper