Get CUSTOMER REFERENCE GUIDE - OVERHEAD RESIDENTIAL SERVICES

Overhead service feeds include power poles that string feeder wires from the utility company's pole to the power pole by your home. From there, the feeder cables run overhead and connect to a service mast that runs through your roof or is mounted to the side of your home.

501.6 Maximum Span Length for Single-Phase Service: The maximum span length of an overhead single-phase service drop is typically one-hundred (100) feet.

Otherwise, the drip loop at a service mast must a minimum of three feet above a roof sloped 4/12 or more, or eight feet over a roof sloped less than 4/12.

Service Drop Height Requirements In general, a service drop must be at least 12 feet above the ground (grade) as well as sidewalks and residential driveways. Minimum height above areas accessible only to pedestrians, such as porches or decks, is 10 feet.

For power lines above areas used only by pedestrians, including sidewalks, decks, and patios, the minimum vertical clearance of wires above the ground is generally 14.5 feet. These distances are regarded as enough to provide safe passage to all pedestrians, even when they are carrying tools or other objects.

In general, a service drop must be at least 12 feet above the ground (grade) as well as sidewalks and residential driveways. Minimum height above areas accessible only to pedestrians, such as porches or decks, is 10 feet.

a. Span length of service drop to be a maximum of 75 feet (#2 triplex). Larger conductor will require shorter length.

The required clearances for electrical service drop wiring are listed here: electrical service wire clearance distance over roadway 18 ft. ... electrical service wire clearance distance over roadway driveway 12 ft. ... electrical service wire clearance distance over roadway flat roof 8-10 ft.