Communication Server Large System Installation and Commissioning
Page 80 of 456 Installing AC power
NN43021-310 Standard 02.01 December 2007
Figure 26
Multiple column – ground and logic return distribution
AC input
Service
panel
120 V
receptacle
IG or ACEG
Cord or
conduit
208/240 V
receptacles
(30 A L6 - 30
or
IG - L6 - 30)
Safety ground (#6 AWG, min)
Logic return
reference
(#6 AWG)
AC conduit
553-3155-1
Large System
AC conduit
LRE