File:Fiber-Optic Manhole Installation.jpg

DescriptionFiber-Optic Manhole Installation.jpg English: Stealth Communications installing fiber-optic manhole in Brooklyn, New York. Date Taken on 21

communication duct bank, 38 miles of copper wire , 50 miles of fiber optic cable, 470 precast concrete manholes, more than 85 miles of overhead transmission lines