Appendices

Reference Sheet

Limits of Knots Size

Length of pole Classes of H6 to 3- 45 ft & shorter

lower half of length 3 in (80mm) upper half of length 5 in (130mm)

- 50 ft & longer lower half of length 4 in (100mm) Upper half of length 6 in (150mm)

DOUGLAS FIR (BOTH TYPES) & SOUTHERN PINE POLESClass H1 1 3

Min circumference at top (in) 29 27 23Length of Pole

(ft)Approx groundline

distance from butt (ft)Min circumference at 6 ft from butt

(ft)40 6 43.5 41 3645 6.5 45.5 43 3750 7 47.5 45 3955 7.5 49.5 46.5 40.560 8 51.0 48 4265 8.5 52.5 49.5 43.570 9 54 51 4575 9.5 55.5 52.5 46

- For distribution poles 55 ft & shorter, the point of maximum bending stress

is usually at or near the ground line and testing showed that those poles are

able to support their Annex B class bending load.

- Fiber stress height effect does not apply to poles that are 55 ft or shorter.

Bolts & Nuts for Overhead Line Construction

Wire Specifications

CodewordStock

NoSize Type

No of strands

Overall Dia (IN.)

Weight/1000 (LBS.)

Breaking Str. (LBS)

Dist system: 40C Ambient

Ampacity Max Continuous

Trans system: 35C Ambient

Ampacity Max Continuous

CANNA 1806-034

397.5 KCM

AAC 19 0.724 373 6190 536 N/A

ANAHEIM 1806-013

2/0 . AAAC 7 0.447 146 5707 275 N/A

General Arrangements of Conductors

Single circuit

420.01 - 0-20 Degree Angle Single Phase

421.01 - Staggered Vertical Construction

421.02 - Inverted “T” Construction

Double circuit

470.03 - Double Circuit (24” Fiberglass Brackets)