This standard establishes a test method to determine the ability of a mated electrical firewall connector to resist specified flame and vibration during a 20 minute exposure by preventing the flame from breaching the firewall through the connector, and providing specified electrical performance for the first 6 minutes of the 20 minute exposure.

NOTE — Do not use this test procedure to describe or appraise the fire hazard or fire risk of the materials, products or assemblies under actual fire conditions. Each application should be assessed for compatibility with electrical and circuit requirements.

CAUTION —

1This procedure may involve hazardous materials, operations, and equipment. This procedure does not purport to address all safety problems associated with its use or all regulatory requirements. It is the responsibility of the user of this procedure to establish appropriate safety and health practices and to determine the applicability or regulatory limitations before its use.

2 This test should be conducted in a well ventilated area to avoid inhalation of smoke and toxic products of combustion. Protect personnel and equipment from risk of fire.