TM 1-1520-238-T-7 10–193 10–68. NITROGEN INERTING SYSTEM – WIRING INTERCONNECT DIAGRAM 10–68 K1-C1 K1-B1 K1-A1 J16-E J16-F J16-B (NOTE 3) RECEPTACLE SERVICE UTILITY AND GROUND EXTERNAL POWER AC ELECTRICAL POWER GENERATION SYSTEM (NOTE 3) 115 VAC P/O UTILITY RECEPTACLE CIRCUIT BREAKER BOX NITROGEN CB94 5A T3 10A A1 A2 T3 B1 B2 C1 C2 A3 INERT UTIL PWR AC ELEC CB6 B20 P1085 J1 B19 B18 B17 J436 SP2(M) SP1(M) BITE INDICATOR L47 (NOTE 1) NITROGEN INERT MONITOR INDICATOR S90 SP2(M) SP1(M) (NOTE 4) - + 1 2 SWITCH S90 (NOTE 2) GS442 5 2 1 P436 A146 IN TEST IND OUT BITE LO HI P1085 J1 NIU 6 7 8 B A335 2 L47 1 RED PRESS TO TEST BLK S90 L47 W118 W668 W118 P W118 W102 W118 W655 ØC ØB ØA ØB 115 VAC ØB P NOTES: 1. GIVES AUTOMATIC VISUAL INDICATION AT FAILURE OF NIU. 2. USED TO CHECK OPERATION OF AUTOMATIC FAULT DETECTION CIRCUITS IN NITROGEN INERTING. 3. ELECTRICAL SYSTEM (TM 1-1520-238-T-6). 4. M DESIGNATES A SOFT SPLICE WHICH MAY BE DISCONNECTED FOR WIRING CHECK. 1 2 M70-006A SHEET 1 OF 1