12F318 - 3Ø Buck Arm
Revision 8
Dec 28, 2017
Notes:
- Minimum 7’-0” for poles up to 45’ in height. Increase spacing to 8’-0” for poles 50’ and taller.
- Down guys and anchors specified are based on 336.4 kcmil AAC primary and 3/0 AAC neutral with a maximum guy attachment height/guy lead ratio of 2:1.
- This assembly is intended for primary conductors with a maximum working tension of 2,500 lb/Ø or less. For framing conductors with a maximum working tension between 2,500 lb/Ø and 4,000 lb/Ø refer to Assembly Unit 12F365.
- This assembly is intended for 3Ø bucks off distribution structures only. For transmission underbuild 3Ø bucks refer to Assembly Unit 12F318A.
| Compatible Unit | Description | Quantity |
|---|---|---|
| A0102 | Anchor, 12" Single Helix | 1 |
| G0111 | 3/8" Guy w/ FG Strain Insul 20' Lead on 45' Pole (Med Loads,1-Bolt/2-Lag Mounting) | 1 |
| G0115 | 3/8" Guy w/ FG Strain Insul 20' Lead on 45' Pole (Med Loads) - No Attachment | 2 |
| I0103 | Insulator, #2 Single Point Secondary Rack | 1 |
| I0387 | Insulator, Sgl Polymer Vise-Top Insulator - 5/8" x 6-1/2" Pin Fiberglass Crossarm Mount | 1 |
| I0321 | Insulator, Sgl DE Insulator (Fittings: Clevis-Eye) | 2 |
| I0327 | Insulator, Sgl DE Insulator w/ 14” Eye Bolt - One-Way Pole Mount DE | 1 |
| N0101 | Single Ground Rod Installation | 1 |
| T010+ | Deadend, Preform | 1 |
| T030* | Clamp, Straight Line Deadend | 3 |
| X0201 | Crossarm, 10' Deadend 3-Pos. Lt. Duty Unitized Assembly | 1 |
| Z060+ | Connector, Compression | 1 |