This test demonstrates that a part will not ignite while operating in an explosive ambient atmosphere. The tests are conducted at ground level pressure as well as reduced barometric pressures, in a closed explosion-proof chamber.

Explosive atmosphere testing is specified in the following:

MIL-STD-108, MIL-STD-202, MIL-STD-810, MIL-E-2036, MIL-E-5272, MIL-E-5400, MIL-T-5422, MIL-M-7969, MIL-A-8064, MIL-E-8189, MIL-E-8595, MIL-M-8609, MIL-F-8615, MIL-S-8805, MIL-C-9435, MIL-A-15303, MIL-F-18953, MIL-R-21098, MIL-T-21200, MIL-S-008834, RTCA/DO-160, UL-681, UL-698, UL-886, UL-1203