GE Infinity M Series - Grounding and Frame Connections

NE-M Installation Guide H5692448
850050111 Issue 03 August 2017 20
Connect Central Office Ground (COG)
Step Action
1
Secure COG connection with provided hardware:
(2) 3/8-16 nut
(2) 3/8-inch lock washer
(2) 3/8-inch flat washer
If required by local code or practice, treat with an
oxidation inhibitor such as NO-OX.
Torque to 240 in-lb - 9/16” socket.
Figure 17 CO Ground Landing
Lug landings are 3/8” on 1” centers
Lugs not provided.
Connect Supplemental Frame
This section applies only to installations with an Initial and a Supplemental Frame.
The Initial Frame must be equipped with a Millennium II controller.
Interconnecting bus bars, hardware, and cables are shipped loose with the Supplementary Frame.
Initial Supplemental
Frame Frame
Figure 18 Supplemental Frame
CO Ground
Lug Landing