EXTERNAL GROUNDING OF SHELTER - CONTINUED
Ground rod location should permit ground cable lug to reach ground stud on power entry panel.
Drive ground rod (Figure 1, Item 6) into earth using slide hammer (WP 0068 00, Figure 2, Item 4).
Remove nut (Figure 1, Item 2), lock washer (Figure 1, Item 3), and lat washer (Figure 1, Item 4) from ground
stud (Figure 1, Item 7) on power entry panel (Figure 1, Item 1).
Connect ground cable lug (Figure 1, Item 5) to ground stud (Figure 1, Item 7).
Secure with lat washer (Figure 1, Item 4), lock washer (Figure 1, Item 3), and nut (Figure 1, Item 2).
Ensure all connections are secure.
CONNECTING PDB TO GENERATOR (IF NECESSARY)
HIGH VOLTAGE exists in electrical system of shop. All electrical inspections, repairs, or
replacements will be performed with power OFF and only by a qualiied electrician. Serious
shock hazards exist which could result in INJURY OR EVEN DEATH to personnel.
Connecting PDB to generator is required only if power is not available. Only a qualiied electri-
cian should attempt to connect PDB to generator.
PDB and pigtail are supplied by unit. Refer to TM 9-6150-226-13 and/or TM 9-6150-226-23P
for additional information. The following igure and steps are speciic to a 60 amp shelter.
Connecting PDB to Generator.
Ensure all circuit breakers on PDB are in the OFF position.
Ensure pigtail is connected to PDB.
Connect pigtail wires to generator lugs by connecting black wire to lug L1, red wire to lug L2, blue or orange
wire to lug L3, and white and green wires to lug L0 on generator (Figure 2).