sample reference sheet (indiana electric poles)
DESCRIPTION
These are example of materials that are being used for electric poles.TRANSCRIPT
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)