Vertiv™ XTE 802G Generator Room Walk-In-Cabinet Description and Installation Manual
50
Figure 9-4:
Combo Site Grounding Scheme (Helical Foundation)
Grounding
Conductor
Size
Minimum Bending Radius (inches)
(Insulated RHH/RHW)
Solid
(Uninsulated)
Recommended
Required
6 AWG
12
2
1-1/2
4 AWG
12
3
na
2 AWG
12
3
2
1/0 AWG
12
4
na
4/0 AWG
12
4
na
750 kcmil
12
7
na
(Contractor Installed)
(Contractor Installed)
To the tower ground.
Use one provided #2
stranded cable from the
master ground bar.
Terminate one provided
#2 AWG solid pre-lugged
cable from the master
ground bar to the ground
connection on the frame
or beam.
Helical
Anchors
Master Ground Bar
(right side)
Front
XTE 802 and XTE 802G Combo Site Grounding (Helical Foundation)