12F312 - 3Ø Double Deadend Underbuild
Revision 7
Jan 10, 2024
Notes:
- Preferred spacing between crossarm and neutral is 8’-0”. Minimum spacing is 7'-0".
- Two primary down guys are required for line angles equal to or greater than 30°. Use one primary guy for line angles less than 30°.
- 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.
- Crossarms to be set to split the angle in the line. Guy should be set in the plane of the crossarm if possible.
- 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 12F376.
- Maximum Line Angle: 60 degrees
| Compatible Unit | Description | Quantity |
|---|---|---|
| A0102 | Anchor, 12" Single Helix | 1 |
| C0550 | Tap Wire, Insul 4/0 Soft Drawn Copper | 30 |
| G0111 | 3/8" Guy w/ FG Strain Insul 20' Lead on 45' Pole (Med Loads,1-Bolt/2-Lag Mounting) | 1 |
| G0113 | 3/8" Guy w/ FG Strain Insul 20' Lead on 45' Pole (Med Loads) | 2 |
| I0103 | Insulator, #2 Single Point Secondary Rack | 2 |
| I0387 | Insulator, Sgl Polymer Vise-Top Insulator - 5/8" x 6-1/2" Pin Fiberglass Crossarm Mount | 3 |
| I0321 | Insulator, Sgl DE Insulator (Fittings: Clevis-Eye) | 6 |
| R1115 | Split-Bolt, Pole Top | 1 |
| T010+ | Deadend, Preform | 2 |
| T030* | Clamp, Straight Line Deadend | 6 |
| X0212 | Crossarm, 10' Deadend 4-Pos. Hvy. Duty | 1 |
| Z063* | Connector, Wedge | 6 |