General Order 95
Section IV
Strength Requirements for All Classes of Lines
Table 5
Sample Wood Strengths
Specified in ANSI 05.1-2008
| Species | Designated Fiber Strength |
| Cedar, western red | 6,000 lbs per square inch |
| Douglas fir | 8,000 lbs per square inch |
| Fir, white or red, local | 6,600 lbs per square inch |
| Pine, southern | 8,000 lbs per square inch |
Note:
Revised April 26, 1965 by Decision No. 68835
March 9, 1988 by Resolution E–3076, October 9, 1996 by Resolution SU–40 and February 5, 2014 by Decision No. 14-02-015.