12F403 - 3-over-3 Double Circuit Deadend
Revision 2
Jul 12, 2022
Notes:
- 50’ minimum pole height without communication attachments. 60’ minimum pole height with communication attachments.
- Engineer must specify the size & number of down guys and anchors depending on conductor design tension, line angle, available down guy lead and span length. Refer to T&D Guideline 4-6 and Compatible Unit Sections A and G.
- To avoid accidental contact with jumpers, primary down guys must be equipped with 144" fiberglass guy strain insulators (MID 939267).
- The upper circuit on 3-over-3 double circuit structures is an express feeder. Connect all transformers, risers and 1Ø and 2Ø taps to the lower circuit
- New overhead double circuit construction is allowed in rural areas only.
| Compatible Unit | Description | Quantity |
|---|---|---|
| I0314 | Insulator, 15kV DE Porcelain Sgl Insulator w/ 14" Eye Bolt - One-Way Pole Mount DE | 1 |
| I0321 | Insulator, 15kV Polymer Sgl DE Insulator (Fittings: Clevis-Eye) | 6 |
| N0110 | Ground Plate Installation on Wood Pole | 1 |
| R1115 | Split-Bolt, Pole Top | 1 |
| T030* | Clamp, Straight Line Deadend T0303 - 336.4 kcmil (3/0 - 477 kcmil ACSR, 4/0 - 556 kcmil AAC) T0304 - 795 kcmil (336.4 - 1113 kcmil ACSR, 336.4 - 1200 kcmil AAC) | 7 |
| X0212 | Crossarm, 10' Deadend 4-Pos. Hvy. Duty | 2 |
| Z0*** | Connector,
Z0698 - 336.4 kcmil (Wedge 336.4 - 336.4 kcmil AAC/ACSR) Z0735 - 795 kcmil (Clamp 336.4-795 to #6-2/0) | 1 |