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A linesman working for Country Energy in Australia closing a circuit using a hot stick. In the electric power distribution industry, a hot stick is an insulated pole, usually made of fiberglass, used by electric utility workers when engaged on live-line working on energized high-voltage electric power lines, to protect them from electric shock.
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 ...
Length: Pole length varies according to use. Telescopic poles are available for adjustment while out skiing. Material: As noted previously, poles come in a two overarching materials, aluminum and carbon, alongside niche materials such as wood. Ski poles will sometimes use a mixture of materials, such as carbon-kevlar composites. [15]
Wooden poles are also vulnerable to fire and much of the line's route suffers frequent bushfires. Many poles were later replaced with Oppenheimer poles for this reason. [1] The initial order for 6,000 poles [2] may have been made in Germany by Oppenheimer and Company (it is not certain) but later production took place in England under licence. [3]
The head of a pike pole with various implements for pulling items The head of a short firefighter's pike pole. A pike pole is a long metal-topped wooden, aluminium or fiberglass pole used for reaching, hooking and/or pulling on another object. They are variously used in boating, construction, logging, rescue and recovery, power line maintenance ...
(left) Three large fiberglass whips mounted on a mast. (right) Fiberglass whip for 2 m and 70 cm amateur radio bands. The whip antenna is a monopole antenna , and like a vertical dipole has an omnidirectional radiation pattern , radiating equal radio power in all azimuthal directions (perpendicular to the antenna's axis), with the radiated ...
Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth .
Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. [1] In modern equipment this can be achieved by a hydraulics , but pulleys are generally used for simpler designs such as extendable ladders and amateur ...
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