Grounding Stud
The SSG must be bonded to the rack or earth through a suitably sized conductor by NEC standards.
From NFPA 70, Table 250.122, the wire size must be chosen based on the rating of the automatic
overcurrent device in the circuit, as shown in
.
Table 10. Minimum grounding wire size
Stack Switchgear
Current Rating (A)
Grounding Wire (AWG)
Copper
Aluminum
100
8
6
200
6
4
300
4
2
Figure 16. Grounding stud
An M8 lug (not included) should be used (e.g. Panduit Corp LCMA50-8-L), along with an M8 screw
and tooth lock washer (included), as shown in
In order to make the connection:
1. Strip the insulation
2. Crimp the lug
3. Screw the lug onto the terminal
The recommended tightening torque is 15 N-m [130 in-lbs].
Nuvation Energy Stack Switchgear - Product Manual
Document ID: NE-PM-003
25
Rev 1.0, 2020-09-03
