N0320 - Ground Rod Installation on Padmount Switchgear Vault
Revision 3
Feb 15, 2019
Compatible Unit | Item | Description | Qty | Mid |
---|---|---|---|---|
N0320 | A | Washer, SS Rd 1-¼” Flat 9∕16” Hole | 8 | 191627 |
B | Connector, C-Crimp Cu 3/0-4/0 to 3/0-4/0 | 9 | 211540 | |
C | Tap, Bar #2 Sol-350 Str | 4 | 217150 | |
D | Nut, Unistrut ½" | 8 | 761082 | |
E | Wire, 4/0 Cu Bare SD 19-Str | 50' | 847907 | |
F | Wire, 1/0 Cu Bare MHD 7-Str | 60' | 847923 | |
G | Clamp, Ground Rod 5/8" | 4 | 880709 | |
H | Rod, Ground 5/8" x 8' | 4 | 902206 | |
I | Connector, C-Crimp Cu 3/0-4/0 to 1/0-2/0 | 2 | 1003001 | |
J | Clamp, Equip Ground Cu #3 Sol-4/0 Str | 8 | 1003311 |
- Use 4/0 copper for ground loop inside vault and switch cabinet. Use 1/0 copper for connecting ground plates to 4/0 copper ground loop.
- Ground plates are preferred for grounding during vault installation. Refer to Compatible Units N0310 - N0311.
- Tops of ground rods to be a minimum of 3" below final grade.