ASTM D3283-98(2004)

This specification applies to Type I gaseous air, both atmospheric and that synthesized by blending oxygen and nitrogen in proper proportions, used as an electrical insulating material in electrical equipment. Appropriately sampled specimens shall undergo tests and should adhere accordingly to chemical requirements as to dew point, and specified compositions for oxygen, carbon monoxide, carbon dioxide, and nitrogen.

1.1 This specification applies to air used as an electrical insulating material in electrical equipment.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.