ARMY TM 9-6115-604-12
NAVY NAVFAC P-8-633-12
DO NOT OPERATE THE GENERATOR SET UNLESS IT HAS BEEN PROPERLY
GROUNDED, ELECTRICAL FAULTS (SUCH AS LEAKAGE PATHS) IN THE GENERATOR
SET, FEEDER LINES, OR LOAD EQUIPMENT CAN CAUSE INJURY OR DEATH BY E-
LECTROCUTION .
STEP 1.
INSERT GROUND CABLES INTO SLOTS IN GROUND TERMINAL STUDS AND TIGHTEN NUTS
STEP 2.
PERFORM EXCAVATION TO EXPOSE WATER PIPE FOR AT LEAST 10 FEET (3 m) AS SHOWN AND
CHECK THAT NC INSULATED SECTION APPEARS WITHIN THE 10 FEET (3 m) AREA IF INSULATED
SECTIONS EXIST, PROCEDURE OF FIGURE 4-2 AND/OR 4-3 MUST BE PERFORMED.
STEP 3.
ATTACH GROUND CABLE TO GROUND ROD USING GROUND ROD AND CLAMPS AS SHOWN, BY
TIGHTENING THE NUTS ON CLAMP.
STEP 4.
SECURE GROUND ROD) TO WATER PIPE AND CHECK THAT A GOOD ELECTRICAL BOND IS
ACHIEVED.
Figure 4-4. Grounding Generator set to an Underground Metallic Water Piping System
4-7
