Power Line Clearance Over Roof

Where lines are over pathways likely to be used by riders on horseback the minimum clearance for overhead wires is 16 feet.
Power line clearance over roof. 7 m 8 ft 6 in above the roof surface. The vertical clearance regulation is dependent on whether or not the roof is available to pedestrians. Overhead spans of open conductors and open multiconductor cables shall have a vertical clearance of not less than 2. To the sides and below an openable window i 3 feet.
Overhead electrical service wire clearance distance over roadway flat roof 8 10 ft. If the roof is not accessible to pedestrians the electrical line must be no less than 12 5 feet from the highest point of the roof. Over a roof with 4 12 slope or more within 4 feet of roof edge at eaves c 18 inches. Power lines over driveways without commercial traffic for driveways and other passages used by vehicles that are less than 8 feet in height the rules for minimum clearances are.
Overhead electrical service wire clearance distance over roadway roof 18 at mast 3 ft. Electrical service wire clearance distance over roadway driveway 12 ft. Over a roof with 4 12 slope or more b 3 feet. The vertical clearance above the roof level shall be maintained for a distance not less than 900 mm 3 ft in all directions from the edge of the roof.