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INSTALLATION REFERENCE
EATON Powerware
®
9315 UPS (500–750 kVA) Installation and Operation Manual S 164201244 Rev E www.powerware.com
A-17
10. Per NEC, Article 300‐20(a), all three-phase conductors must be run in the same
conduit. If a neutral and/or ground is used, it must be run in the same conduit
as the phase conductors.
11. Conduit is sized to accommodate one neutral conductor the same size as the
phase conductor (if applicable) and one 2/0 ground conductor.
12. Conduit sizes were chosen from NEC Table C1, type letters RHH, RHW,
RHW‐2, TW, THW, THHW, THW‐2.
Table I. Power Cable Conduit Requirements
UPS Model Voltage Terminal
Number of Wires
in Conduit
Minimum Conduit
Trade Size
Number of
Conduits
PW9315-750/600
PW9315-750/675
600
AC Input to UPS (A, B, C, Ground)
5 3.5” 3
AC Input to MBC (A, B, C, Ground)
4 3” 3
Output (A, B, C, Neutral, Ground)
4 3” 3
384
Battery
(Positive, Negative, Ground)
4 4” 3
PW9315-750/600
PW9315-750/675
480
AC Input to UPS (A, B, C, Ground)
5 4” 3
AC Input to MBC (A, B, C, Ground)
6 3.5” 3
Output (A, B, C, Neutral, Ground)
6 3.5” 3
384
Battery
(Positive, Negative, Ground)
4 4” 3
PW9315-750/500
PW9315-750/562
600
AC Input to UPS (A, B, C, Ground)
5 3” 3
AC Input to MBC (A, B, C, Ground)
5 3” 3
Output (A, B, C, Neutral, Ground)
5 3” 3
384
Battery
(Positive, Negative, Ground)
4 3.5” 3
PW9315-750/500
PW9315-750/562
480
AC Input to UPS (A, B, C, Ground)
5 3.5” 3
AC Input to MBC (A, B, C, Ground)
4 3” 3
Output (A, B, C, Neutral, Ground)
4 3” 3
384
Battery
(Positive, Negative, Ground)
4 3.5” 3
PW9315-625/500
PW9315-625/562
400
AC Input to UPS (A, B, C, Ground)
4 3.5” 4
AC Input to MBC (A, B, C, Ground)
5 3.5” 3
Output (A, B, C, Neutral, Ground)
5 3.5” 3
384
Battery
(Positive, Negative, Ground)
5 4” 2
PW9315-625/400
PW9315-625/450
400
AC Input to UPS (A, B, C, Ground)
5 3” 3
AC Input to MBC (A, B, C, Ground)
5 3” 3
Output (A, B, C, Neutral, Ground)
5 3” 3
384
Battery
(Positive, Negative, Ground)
5 3.5” 2