General Order 64-A

Section IV

Strength Requirements For All Classes Of Lines

47.3    Unbalanced Loads

Poles, towers or structures with longitudinal loads not normally balanced (as at dead ends or angles greater than can be treated as in Rule 45) shall be of sufficient strength, or shall be guyed or braced, to withstand the total unbalanced load with safety factors at least equal to those specified in Table 4.