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Decision Number 20-01-010

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Original Version

Rule 54.7

54.7 Climbing and Working Space:

This rule is not applicable to non–climbable poles. See Rule 22.6‑D for definition.

Climbing space shall be maintained from the ground level. Climbing space, measured from center line of pole, shall be provided on one side or in one quadrant of all poles or structures with dimensions as specified in the following:

Topic	Rules
Wood Crossarm Construction	54.7‑A 1 & 2
Without Wood Crossarms More than 750 Volts (Vertical and Triangular Construction)	54.11‑F
Low Voltage Rack Construction	54.9‑F
Low Voltage Extended Rack Construction	54.12‑F
Low Voltage Multiconductor Cable with Bare Neutral Construction	54.10‑F
Poles Jointly Used	84.7 & 93
Allowable Obstructions of These Climbing Spaces	54.7‑A 3 54.9‑F 54.10‑F3 54.11‑G 54.12‑F 3 84.7‑E
Working Space (All Types of Construction)	54.7‑B

The dimensions specified in the above rules may be reduced not more than 2%because of line angles and minor field variations.

The climbing space required by Rules 54.7–A and 54.11–F may be shifted laterally not more than 5 inches. However, the midpoint of the side of the climbing space coinciding with the center line of the pole shall not be more than 5 inches from the center line of the pole, and the minimum distance of any unprotected conductor (or other energized unprotected part) from centerline of pole shall be maintained. (See Table 1, Case 8.)

Strikeout and Underline Version

Rule 54.7

54.7 Climbing and Working Space:

This rule is not applicable to non–climbable poles. See Rule 22.6–D for definition.

Climbing space shall be maintained from the ground level. Climbing space, measured from center line of pole, shall be provided on one side or in one quadrant of all poles or structures with dimensions as specified in the following:

Topic	Rules
Wood Crossarm Construction	54.7‑A 1 & 2
Without Wood Crossarms More than 750 Volts (Vertical and Triangular Construction)	54.11‑F
Low Voltage Rack Construction	54.9‑F
Low Voltage Extended Rack Construction	54.12‑F
Low Voltage Multiconductor Cable with Bare Neutral Construction	54.10‑F
Poles Jointly Used	84.7 & 93
Allowable Obstructions of These Climbing Spaces	54.7‑A 3 54.9‑F 54.10‑F3 54.11‑G 54.12‑F 3 84.7‑EA 5
Working Space (All Types of Construction)	54.7‑B

The dimensions specified in the above rules may be reduced not more than 2%because of line angles and minor field variations.

The climbing space required by Rules 54.7–A and 54.11–F may be shifted laterally not more than 5 inches. However, the midpoint of the side of the climbing space coinciding with the center line of the pole shall not be more than 5 inches from the center line of the pole, and the minimum distance of any unprotected conductor (or other energized unprotected part) from centerline of pole shall be maintained. (See Table 1, Case 8.)

Final Version

Rule 54.7

54.7 Climbing and Working Space:

This rule is not applicable to non–climbable poles. See Rule 22.6–D for definition.

Climbing space shall be maintained from the ground level. Climbing space, measured from center line of pole, shall be provided on one side or in one quadrant of all poles or structures with dimensions as specified in the following:

Topic	Rules
Wood Crossarm Construction	54.7‑A 1 & 2
Without Wood Crossarms More than 750 Volts (Vertical and Triangular Construction)	54.11‑F
Low Voltage Rack Construction	54.9‑F
Low Voltage Extended Rack Construction	54.12‑F
Low Voltage Multiconductor Cable with Bare Neutral Construction	54.10‑F
Poles Jointly Used	84.7 & 93
Allowable Obstructions of These Climbing Spaces	54.7‑A 3 54.9‑F 54.10‑F3 54.11‑G 54.12‑F 3 84.7‑A 5
Working Space (All Types of Construction)	54.7‑B

The dimensions specified in the above rules may be reduced not more than 2%because of line angles and minor field variations.

The climbing space required by Rules 54.7–A and 54.11–F may be shifted laterally not more than 5 inches. However, the midpoint of the side of the climbing space coinciding with the center line of the pole shall not be more than 5 inches from the center line of the pole, and the minimum distance of any unprotected conductor (or other energized unprotected part) from centerline of pole shall be maintained. (See Table 1, Case 8.)