TM 10-5411-201-14T.O. 35E4-177-12-15. (cont)a.Shelter groundingNOTEShelter is grounded through externally connected powersupply .Additional grounding, depending on local con-ditions, may be installed by utilizing optional groundingrod, Appendix D.Consult a qualified electrician forproper grounding procedures required for the surroundingsoil conditions.(1) Drive ground rod into earth at a suitable location that permitsground cable attached to rod to reach ground stud on power entry panel.(2) On power entry panel remove nut, star washer, and flat washer onstud .(3) Connect ground cable connector to stud and secure with washer,star washer, and nut.(4) Check all connections for security.b.Input power connectionW A R N I N GDo not attempt connection of live line to powerentry panel.Deactivate power source or generatorbefore procedure.C A U T I O NPower supply shall be 120/208 Vac, 4 wire withground for the NQOB Model or 120/208 Vac, 4 wirewith 4 grounds for NQOD Model or damage toequipment will result.(1) Turn all circuit breakers to OFF position.NOTEMake certain that power entry panel and powersupply cable are terminated with same type ofconnector.(2) Connect power supply cable to power entry panel at connector (J1).CHANGE 22-29
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