Over a roof with 4 12 slope or more b 3 feet.
Power line clearance over roof.
225 19 clearances from buildings for conductors of not over 1000 volts nominal.
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.
The vertical clearance regulation is dependent on whether or not the roof is available to pedestrians.
7 m 8 ft 6 in above the roof surface.
Electrical service wire clearance distance over roadway driveway 12 ft.
Where lines are over pathways likely to be used by riders on horseback the minimum clearance for overhead wires is 16 feet.
Overhead electrical service wire clearance distance over roadway flat roof 8 10 ft.
To the sides and below an openable window i 3 feet.
Overhead spans of open conductors and open multiconductor cables shall have a vertical clearance of not less than 2.
Over a roof with 4 12 slope or more within 4 feet of roof edge at eaves c 18 inches.
In general overhead service conductors must maintain a minimum vertical clearance of 8 feet above the surface of a roof for a minimum distance of 3 feet in all directions from the edge of the roof 230 24 a.
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.