TM 10-5411-201-14
T.O. 35E4-177-1
2-15. (cont)
a.
Shelter grounding
NOTE
Shelter is grounded through externally connected power
supply .
Additional grounding, depending on local con-
ditions, may be installed by utilizing optional grounding
rod, Appendix D.
Consult a qualified electrician for
proper grounding procedures required for the surrounding
soil conditions.
(1) Drive ground rod into earth at a suitable location that permits
ground cable attached to rod to reach ground stud on power entry panel.
(2) On power entry panel remove nut, star washer, and flat washer on
stud .
(3) Connect ground cable connector to stud and secure with washer,
star washer, and nut.
(4) Check all connections for security.
b.
Input power connection
W A R N I N G
Do not attempt connection of live line to power
entry panel.
Deactivate power source or generator
before procedure.
C A U T I O N
Power supply shall be 120/208 Vac, 4 wire with
ground for the NQOB Model or 120/208 Vac, 4 wire
with 4 grounds for NQOD Model or damage to
equipment will result.
(1) Turn all circuit breakers to OFF position.
NOTE
Make certain that power entry panel and power
supply cable are terminated with same type of
connector.
(2) Connect power supply cable to power entry panel at connector (J1).
CHANGE 2
2-29
