MIL-PRF-83383E
4.5.2.2.2 Disposition of sample units. Sample units which have been subjected to group C inspection shall not be
delivered on the contract.
4.5.2.2.3 Noncompliance. If a sample fails to pass group B or C inspection, the manufacturer shall notify the
qualifying activity and the cognizant inspection activity of such failure and take corrective action on the parts,
materials, or processes, as warranted, and on all units of the product which can be corrected and which were
manufactured with essentially the same parts, materials, and processes, and which are considered subject to the
same failure. Acceptance and shipment of the product shall be discontinued until corrective action, acceptable to the
qualifying activity has been taken. After corrective action has been taken, group B or C inspections shall be repeated
on additional sample units (all inspections, or the inspection which the original sample failed, at the option of the
qualifying activity). Group A inspection may be reinstated; however, final acceptance and shipment shall be withheld
until the group B or C inspections have shown that the corrective action was successful. In the event of failure after
reinspection, information concerning the failure shall be furnished to the cognizant inspection activity and the
qualifying activity.
4.6 Methods of inspection and test.
4.6.1 Visual and mechanical inspection. RCCB's shall be inspected to verify that dissimilar metals, interface,
physical dimensions, marking, and workmanship are in accordance with the applicable requirements (see 3.1, 3.3 to
4.6.2 Dielectric withstanding voltage (see 3.5). RCCB's shall be tested in accordance with method 301 of MIL-
STD-202. The following details shall apply:
a. Magnitude of test voltage: 1500 volts (rms) for all applications except 1000 volts (rms) when testing is across
open auxiliary contacts.
b. Nature of potential: AC.
c. Points of application: Between mutually insulated parts. NOTE: The control terminals and the line
terminal(s) are electrically interconnected through a solid state module and must be shorted together during test.
d. Measurement during test: Leakage current.
e. Inspections after test: RCCB's shall be inspected for evidence of flashover, mechanical damage, arcing,
breakdown and excessive current flow.
MIL-STD-202. The following details shall apply:
a. Test condition: B.
b. Points of measurement: Between mutually insulated parts. NOTE: The control terminals and the line
terminal(s) are electrically interconnected through a solid state module and must be shorted together during test.
4.6.4 Calibration (see 3.7). RCCB's shall be connected as shown in figure 1 and subjected to the applicable
calibration tests specified in 4.6.4.1 or 4.6.4.2. For triple pole RCCB's, each pole (remaining poles passing no
current) and all poles shall be subjected to the test current specified.
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