Original General Order 95

Section IV

Strength Requirements for All Classes of Lines

42    Grades of Construction

For all classes of lines, the relative order of grades is “A,” “B,” “C” and “F,” grade “A” being the highest.

Supply and communication lines, where not involved in crossings, conflicts or on poles jointly used, shall be constructed and maintained so as to conform with grades of construction not less than as follows:

Class H supply- - - - - - - - - - - - - - -Grade B

Class L supply- - - - - - - - - - - - - - - Grade C

Class C communication- - - - - - - - -  Grade F

Supply and communication lines, where involved in crossings, conflicts or on poles jointly used, shall be constructed and maintained so as to conform with grades of construction not less than as specified in Table 3.

Table 3
42.1 Two or More Conditions
42.2 Line Crossing Two or More Lines
42.3 Line Crossing Involved Lines