N0321A - Ground Loop Installation on Existing Splice Vault or Future Switchgear Vault
Revision 1
Jul 31, 2013
| Compatible Unit | Item | Description | Qty | Mid |
|---|---|---|---|---|
| N0321A | 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 | 1 | 211540 | |
| C | Nut, Unistrut ½" | 8 | 761082 | |
| D | Wire, 4/0 Cu Bare SD 19-Str | 35' | 847907 | |
| E | Connector, C-Crimp Cu 3/0-4/0 to 1/0-2/0 | 2 | 1003001 | |
| F | Clamp, Equip Ground Cu #3 Sol-4/0 Str | 8 | 1003311 |
Notes:
- Use 4/0 copper for ground loop inside vault. Customer shall install 1/0 copper for connecting ground plates or ground rods to 4/0 copper ground loop.
- Ground rods or ground plates installed per T&D Guideline 4-15-1.0 are acceptable customer installed made electrodes.