TM 9-4110-246-14
TO 40R7-5-10-1
3-37. TEST VAPOR PROOF LIGHT FIXTURE.
TOOLS: Digital Multimeter
NOTE
PRELIMINARY PROCEDURE: Remove vapor proof light fixture (para. 3-36).
PROCEDURE
1. With multimeter, perform isolation testing across the three wire terminals at rear of the fixture.
2. Multimeter shall indicate infinite resistance across each pair of wire terminals tested. If not, fixture is defective
and shall be replaced.
NOTE
FOLLOW-ON MAINTENANCE: Install vapor proof light fixture (para. 3-36).
3-43