Wires consisting of a steel core made of steel galvanised wires of normal strength and a THR made of aluminium wires, intended for transmission of electric energy in overhead power lines. Preferential area of application: on land in air atmosphere of types I and II under condition of sulphurous gas content in the atmosphere not more than 150 mg/m2 day (0,19 mg/m3) of climatic version UHL according to GOST 15150. Release of non-insulated wires is made according to GOST 839-2019 under the certificate of conformity to the requirements of TR TS 004/2011.
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