POWER WIRING INSTALLATION NOTES051505DESCRIPTION:DATE:DRAWING NO: SHEET:REVISION: A164201591---6 2 of 3Installation InformationA-17EATON Powerware ® 9390 IAC-D Installation and Operation Manual S 164201591 Rev B powerware.com9. Per NEC article 300-20(a), all three-phase conductors must be run in the same conduit.Neutral and ground must be run in the same conduit as the phase conductors.10. Conduit is to be sized to accommodate one neutral conductor the same size as the phaseconductor and one ground conductor. If two neutral conductors or an oversized neutralconductor are to be installed, size the conduit to accommodate the extra wire or size. AllPowerware 9390 products can accommodate a double-sized neutral.11. Terminals are UL and CSA rated at 90˚C. Refer to Table E for power cable terminations.Drawing 164201591---8 shows the location of the power cable terminals inside the UPScabinet.Table E. IAC-- D Power Cable TerminationsTerminal Function Terminal FunctionSize of PressureTerminationTightening TorqueNm (lb in)TypeScrewAC Input from UPS E57 Phase A 2 --- #2---600 kcmil 56.5 (500) 1/2 in. HexE58 Phase B 2 --- #2---600 kcmil 56.5 (500) 1/2 in. HexE59 Phase C 2 --- #2---600 kcmil 56.5 (500) 1/2 in. HexE4 Neutral 4 --- #2---600 kcmil 56.5 (500) 1/2 in. HexE9 Ground 2 --- #14---1/0 5.6 (50) SlottedAC Output fromDistribution Breaker toCritical LoadCBxx–2 Phase A 1 --- #4---350 kcmil 20.3 (180) 3/16 in. HexCBxx–4 Phase B 1 --- #4---350 kcmil 20.3 (180) 3/16 in. HexCBxx–6 Phase C 1 --- #4---350 kcmil 20.3 (180) 3/16 in. HexE10, E20 Neutral 6 ea. --- #4---300 kcmil 31 (275) 5/16 HexE18, E19,E28, E29 Ground 2 ea. --- #14---1/0 5.6 (50) SlottedAC Output fromDistribution PanelBreakers to Critical LoadWire branch circuits in accordance with branch circuit breaker manufacturers ratings andinstructions (output is prewired to the panelboard)PB1–NPB2–N Neutral 42 – #4---#14 or3 x #10---#14#4---#6: 4.0 (35)#8: 2.8 (25)#10---#14: 2.3 (20)SlottedE18, E19,E28, E29 Ground 42 – #4---#14 or2 x #12---#14#4---#6: 4.0 (35)#8: 2.8 (25)#10---#14: 2.3 (20)Slotted