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 MIL-HDBK-419A
2.3.2.1
Facility Maintenance Procedure (Earth Electrode Subsystem).
1.
TECHNICAL DATA REFERENCES:
a.
Grounding, Bonding, and Shielding, MIL-HDBK-419A Volumes I and II, MIL-STD-188-124A.
b.
Engineering drawings which show earth electrode subsystem.
RELATED MAINTENANCE PROCEDURES:
2.
Lightning Protection.
a.
b.
Fault Protection.
c.
3.
APPLICABLE TEST PROCEDURES:
a.
Earth Resistance Test (see Section 2.2.2.2.1).
Bond Resistance Test (see Section 2.2.2.3.1).
b.
4.
TEST EQUIPMENT REQUIRED:
a.
Double Balanced DC Resistance Bridge or other acceptable Ohmmeter.
Earth Resistance Test Set.
b.
30-meter (l00-foot) Measuring Tape or Surveyor's Chain.
c.
d.
Camera.
5.
MATERIALS REQUIRED:
a.
Test leads for earth resistance test set if not supplied by manufacturer or if not available. Where
leads longer than those supplied by the manufacturer are needed, extra lengths of stranded No. 16 or No. 18
wire are necessary.
b.
Ground probes if not supplied with earth resistance test set (see Section 1.2.1.1).
c.
Film and flash bulbs or electronic flash for camera.
2-39
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