MIL-DTL-15743E
TABLE V. Group B inspection.
Requirement
Test method
Inspection
paragraph
paragraph
Level of effectiveness of
enclosure
Insulation resistance
(where applicable)
Dielectric withstanding voltage
(where applicable)
TABLE VI. Sampling for group B inspection.
Lot size
Sample size
2 to
25
3
26 to
50
5
51 to
90
6
91 to
150
7
151 to
280
10
281 to
500
11
501 to 1,200
15
1,201 to 3,200
18
3,201 to 10,000
22
4.6 Methods of inspection.
4.6.1 Visual and dimensional examination. Enclosed switches shall be visually examined to verify that
the materials, design, construction, physical dimensions, marking, and workmanship are in accordance
4.6.2 Dielectric withstanding voltage. Enclosed switches shall be subjected to a dielectric withstanding
a. Test voltage: Twice rated voltage plus 1000 V.
b. Nature of potential: AC (rms).
c. Points of application: Between current carrying parts and enclosure (ground). Switches shall
be in the energized (closed) position.
d. Acceptance criteria: Conformance to the requirements of 3.6.1.
4.6.3 Insulation resistance. Insulation resistance shall be measured in accordance with method 302,
test condition B of MIL-STD-202. The test voltage shall be applied between current carrying parts of
opposite polarity and live parts and the enclosure (ground). Switches shall be in the energized (closed)
position. The enclosed switch shall conform to the requirements of 3.6.2.
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