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A cable box is a metal enclosure (found in the vicinity of a house that has cable service) that connects a house or building to the cable provider. [1] The box is usually located near the connection points for other service connections (electric or telephone). Other locations of the cable box include centralized locations (apartment buildings ...
In the United States, the connection back to the MDF is known as the F2 (secondary distribution cable) and/or the F1 (main feeder cable) pairs. SAIs are used in suburban and low-density urban areas, serving some of the same purposes that manholes do in high-density urban areas.
A small metal, plastic or fiberglass junction box may form part of an electrical conduit or thermoplastic-sheathed cable (TPS) wiring system in a building. If designed for surface mounting, it is used mostly in ceilings, concrete or concealed behind an access panel—particularly in domestic or commercial buildings. [2]
Technicians require access to connection points. Placing such a point underground (e.g., in a utility vault) is expensive, so pedestals are preferred when they are an acceptable choice. Pedestals are used for CATV (known as a cable box in such a situation), telephone, passive optical networks, and other telecommunications systems.
As a result of these operational difficulties, banded hardware has become the more popular means to attach cable plant to concrete poles. Design criteria and requirements for concrete poles can be derived from various industry documents including, but not limited to, ASCE-111, ACI-318, ASTM C935, and ASTM C1089. Steel poles
Cables are managed by five methods in commercial buildings: Concrete trenching - a trench is dug into the building's concrete. Cabling and floor boxes are installed and the trench is sealed with concrete. Floor decking - cables are installed on the ceiling of the floor below.
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