IS 4249 : 1967 Classification and methods of tests for non-ignitable and self-extinguishing properties of solid electrical insulating materials
UDC 621.315.611 : 620.1 : 536.468 | ETD 2 |
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Reaffirmed 2018 |
1 scope
1.1 This standard covers the classification and methods-of testapplicable to the non-ignitable and self-extinguishing properties of solid electrical insulating materials.