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An optical ground wire (also known as an OPGW or, in the IEEE standard, an optical fiber composite overhead ground wire) is a type of cable that is used in overhead power lines. Such cable combines the functions of grounding and communications .
KYW-TV (channel 3), branded CBS Philadelphia, is a television station in Philadelphia, Pennsylvania, United States, serving as the market's CBS outlet. It is owned and operated by the network's CBS News and Stations division alongside independent station WPSG (channel 57).
Long-distance electromagnetic telegraph systems from 1820 onwards [a] used two or more wires to carry the signal and return currents. It was discovered by German scientist C.A. von Steinheil in 1836–1837, that the ground could be used as the return path to complete the circuit, making the return wire unnecessary. [2]
If the weight of the roadway per unit length is w and the weight of the cable and the wire supporting the bridge is negligible in comparison, then the weight on the cable (see the figure in Catenary#Model of chains and arches) from c to r is wx where x is the horizontal distance between c and r. Proceeding as before gives the differential equation
4.2.3 Silos and tanks. 4.2.4 Nuclear ... such as stay-cables and re-stressable dam anchors, ... Heavily loaded concrete ground-slabs and pavements can be sensitive to ...
An anchor plate, floor plate or wall washer is a large plate or washer connected to a tie rod or bolt. Anchor plates are used on exterior walls of masonry buildings, for structural reinforcement against lateral bowing. Anchor plates are made of cast iron, sometimes wrought iron or steel, and are often made in a decorative style.
1D (point to point) cable cam system for live TV broadcast of sports and events - Defy Dactylcam and Newton stabilized camera head. A cable-suspended camera system is a system of cables above or along an area to be filmed or videoed, over or along which an attached camera head travels to achieve required camera angles.
Dead-end ("anchor") tower. A dead-end tower (also anchor tower, anchor pylon) [1] is a fully self-supporting structure used in construction of overhead power lines.A dead-end transmission tower uses horizontal strain insulators at the end of conductors.
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