12F330 Obsolete - 336.4 AAC 4-over-2 Double Circuit Tangent
Revision 5
Dec 1, 2017
Notes:
- 50' minimum pole height.
- 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.
- 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 deadending conductors with a maximum working tension between 2,500 lb/Ø and 4,000 lb/Ø refer to Assembly Unit 12F390.
- New overhead double circuit construction is allowed in rural areas only. Refer to T&D Guideline 4-23-7.0 — Design Practices for Constructing Double Circuit Lines
| Compatible Unit | Description | Quantity |
|---|---|---|
| I0103 | Insulator, 600V #2 Single Point Secondary Rack | 1 |
| I0380 | Insulator, 15kV Sgl Polymer Vise-Top Insulator - 3-3/4" x 4-3/4" Wood Crossarm Mount | 4 |
| I0381 | Insulator, 15kV Sgl Polymer Vise-Top Insulator - 3-3/4" x 5-3/4" Wood Crossarm Mount | 2 |
| R1113 | Split-Bolt Assembly, 5/8" x 6" Machine Bolts | 2 |
| X0101 | Crossarm, 7' Single 2-Steel Pin Crossarm | 1 |
| X0401 | Crossarm, 10' Single 4-Steel Pin Crossarm | 1 |