insulator — [in′sə lāt΄ər; in′soolāt΄ər, in′syoolāt΄ər] n. anything that insulates; specif., a) a nonconductor of electricity, heat, or sound b) a device, as of glass or porcelain, for insulating and supporting electric wires … English World dictionary
Insulator (electrical) — Ceramic insulator at railways Conducting copper wire insulate … Wikipedia
insulator — noun /ˈɪn.sjə.leɪ.tə(r)/ a) A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator). To isolate electrical wires from the pylons supporting them, one often uses glass… … Wiktionary
insulator — noun Date: 1801 one that insulates: as a. a material that is a poor conductor (as of electricity or heat) compare semiconductor b. a device made of an electrical insulating material and used for separating or supporting conductors … New Collegiate Dictionary
Insulator — A device or material with a high resistance to electricity flow. *** A material that is a very poor conductor of electricity. The insulating material is usually a ceramic or fiberglass when used in the transmission line and is designed to… … Energy terms
insulator — in•su•la•tor [[t]ˈɪn səˌleɪ tər, ˈɪns yə [/t]] n. 1) elm a) a material of such low conductivity that the flow of electric current through it is negligible b) a device made of such material, as glass or porcelain, for supporting a charged… … From formal English to slang
Strain insulator — A strain insulator is an insulator that provides both large electrical insulation and a large load bearing capacity. Strain insulators were first used in telegraph systems to isolate the signal wire from ground while still supporting the wire.… … Wikipedia
Pin insulator — A pin insulator consists of a nonconducting material such as porcelain, glass, plastic, polymer, or wood that is formed into a shape that will isolate a wire from a physical support (or pin ) on a telegragh, utility pole or other structure,… … Wikipedia
petticoat insulator — noun : an insulator made in the form of superposed inverted cups and used for high insulation * * * Elect. a bell shaped insulator used for high voltage insulation. * * * petticoat insulator, an inverted cup shaped insulator as for supporting a… … Useful english dictionary
опорный изолятор — Изолятор, используемый в качестве жесткой опоры для электротехнического устройства или отдельных его частей. [ГОСТ 27744 88] опорный изолятор Предназначен для изоляции и крепления токоведущих частей в электрических аппаратах, распределительных… … Справочник технического переводчика
Hydro-Québec's electricity transmission system — is an expansive, international power transmission system located in Quebec, Canada with extensions into the Northeastern United States. Major expansion of the network began with the commissioning of the alternating current 735,000 volt (735 kV)… … Wikipedia
