Quantcast Fault Protection Subsystem (Safety Ground)

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MIL-HDBK-419A
PART IV - FAULT PROTECTION SUBSYSTEM (SAFETY GROUND)
Requirements Checklist:
A.
Initial
1.
Inspect all electrical/electronic equipments for safety grounding
conductors (green wire). Check to see that sizes conform to all
designated requirements.
2.
Spot check all green wire connections to see that they are tight
and free of corrosion.
Check inside equipments, switch boxes, and distribution panels to
3.
see that the white wire (neutral) is not grounded at these locations.
With neutral disconnected at first service disconnect, is resistance
to ground at least one Megohm?
4.
Check the grounding connection at the first service disconnect
to make sure it is tight and free of corrosion.
5.
Generally check the electrical supporting structures (see Section 1.4.5)
for looseness in joints or bonds and evidence of corrosion.
Cheek to see if the neutral and green conductors are properly
6.
interconnected at the first service disconnect and grounded
(MIL-STD-188-124A Section 5.1.1.2.5).
Record all deficiencies:
7.
Nature of
Corrective Action Taken
Location
Deficiency
Stray Current Measurements:
B.
Location
Reading
2-51





 


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