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A utility pole, commonly referred to as a transmission pole, telephone pole, telecommunication pole, power pole, hydro pole, telegraph pole, or telegraph post, is a column or post used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and ...
Pages for logged out editors learn more. Contributions; Talk; Telephone pole
Sit harness. A climbing harness is a piece of equipment that allows a climber to tie in to the safety of a rope. [1] It is used in rock and ice climbing, abseiling, and lowering; this is in contrast to other activities requiring ropes for access or safety such as industrial rope work (such as window cleaning), construction, and rescue and recovery, which use safety harnesses instead.
Utility pole with electric lines (top) and telephone cables. Fixed telephone lines per 100 inhabitants, 1997–2007. Cross section of telephone cable of 1,800 twisted pairs, 1922. A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. [1]
They are mostly used in aid climbing but have been used in extreme traditional climbing routes as a last resort where the hook placement may not withstand a dynamic fall. A particular type of hook is a rivet hanger that can be attached to old metal rivets–an example being Australian carrot bolts–permanently fastened into the rock face. [6]
There was also a telephone pole in the foreground made partially out of tree bark. [ 50 ] A 1/8 scale model of a four-lane freeway—modeled on the Harbor Freeway at 2nd Street, with a sweeping overpass, ground vegetation, palm trees, and a cluster of office buildings—measuring 35 by 45 metres (115 ft × 148 ft) was crowded into one of the ...
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The term lineworker was used for those who set wooden poles and strung wire. The term continued in use with the invention of the telephone in the 1870s and the beginning of electrification in the 1890s. This new electrical power work was more hazardous than telegraph or telephone work because of the risk of electrocution. Between the 1890s and ...