SU6 GO95 rule 54.6-F

Terminals of risers or runs shall not extend above the level of line conductors to which the terminal leads are connected except as follows:

Where the line conductors are installed in vertical configuration in partial underground distribution, or where the line conductors are dead-ended on the opposite side of the arms from the terminals and no line conductors supported on the same crossarm and the same side of pole extend past the terminals and no buckram construction is involved, or

Where conductors in excess of 7500 volts are installed in vertical configuration on crossarms, and the terminals are mounted on the same arms which support the conductors to which the terminals are connected.

At the upper end of vertical runs or risers on wood poles, any terminal or terminal fitting within distances from center line of poles less than as specified in Table 1, Case 8, shall be protected by a crossarm or wood block placed above it at a distance not exceeding 4 inches. The wood block may be omitted if the terminal or terminal fitting at the upper end of a vertical run or riser of 750 volts or less is on the same side of a pole as, and not more than 1 foot below a transformer or not less than 3 inches below the lowest conductor of a rack, and such terminal fittings shall be approximately centered in the vertical plane under the rack, or where the conductors of a vertical run or riser are enclosed in plastic pipe (see Rule 22.2-C) and do not terminate in a grounded terminal or terminal fitting.

Cable or conduit bends and the terminals of risers or runs of more than 750 volts supported on climbable poles or structures shall be arranged with as little exposed surface as practicable. Such bends or terminals are not required to be covered by a suitable protective covering (see Rule 22.2) provided that no portion of their exposed surfaces or associated unprotected conductors are within the climbing space. For clearance of terminals and their unprotected leads from center line of pole, see Table 1, Case 8. All exposed grounded surfaces of terminal fittings and cables or bends of risers and runs shall be at least 18 inches vertically and 24 inches radially from the next unprotected conductor level below. See Fig. 54-7.

In partial underground distribution (750-22,500 volts in vertical configuration on non-climbable poles), energized portions of the terminals may be less than the clearances from center line of pole specified in Table 1, Case 8 Column E(15 or 18 inches) but shall be not less than 6 inches from the surface of the non-climbable metal pole and grounded metal surfaces associated therewith.

The terminal fittings of risers or runs of conductors of 0-750 volts installed on the surfaces of poles shall of be within the climbing space and unprotected leads to or from such terminals shall not pass within the climbing space but may have a clearance of less than 15 inches from center line of pole (Table 1, Case 8) and less than 3 inches from the surface of pole or crossarm (Table 1, Case 9). It is recommended that conductors from such terminal fittings be suitably installed and, where practicable, carried as protected lateral runs on the bottom surface of crossarms (see Rule 54.6-C)

The Vertical clearances between the lowest point of lead wires of a riser or run (vertical or lateral) and the next conductor level below shall conform to the requirements specified in Rule 54.4-C6.

Terminals of risers or runs shall not extend above the level of line conductors to which the terminal leads are connected except as follows: