American Tech Supply, a registered CCR contracting supply company has teamed up with Corning, Telect,Pencell, Century, AFL Telecommunications, Commscope, Highline, Draka USA, ADC, Carlon, Telco and several other leading fiber optic osp enclosure equipment manufacturers to offer our. American Tech Supply, a registered CCR contracting supply company has teamed up with Corning, Telect,Pencell, Century, AFL Telecommunications, Commscope, Highline, Draka USA, ADC, Carlon, Telco and several other leading fiber optic osp enclosure equipment manufacturers to offer our. Round Underground pull Box With Cover, HDPE, Pedestrian Load, 6 Inch Top, 7. 25″ Deep, Lid available Molded in Marked or no marked, Black, Includes: Hex Bolts. Ideal for fiber installations in areas that exist extreme climates, and wall-mounted fiber or aerial fiber are keen to. Underground cables are pulled in conduit that is buried underground, usually 1-1. 2 meters (3-4 feet) deep to reduce the likelihood of accidentally being dug up. In extreme cold climates, cables may need to be buried at greater depths where there temperatures are colder and frost penetrates to. TiniFiber ® Direct Burial Micro Armor Fiber is specifically engineered to give enhanced protection from water ingress, thermal extremes, rodents and accidental damage while maintaining industry direct burial tension standards. Several styles to choose from including hybrid flat rail marker posts, dome marker posts, triview marker posts, test station marker posts, pedestal marker posts and more. In stock posts can be ordered online for fast delivery.