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Distributing single-pair telephone wires

ТРП, ТРВ

DESIGNATION

Single-pair distributing telephone wires are designed for concealed and open fixed wiringof telephone distribution circuit(ТРП model) and structure wall wiring (ТРВ model).

ARRANGEMENT

CONDUCTOR:copper, soft, single.

INSULATION: polyethylenefor ТРП, PVC compound forТРВ. Two parallel laid conductors are insulated and separated from each other with flat base of the same material.

NUMBER OF CONDUCTORS:2

CONDUCTORDIAMETER, mm:0.4; 0.5.

TECHNICALSPECIFICATIONS

Conductor direct-current resistance for a length of 1 km at a temperature of +20°С shall be not less than:

- for conductor with 0.4 mm diameter - 148Ω;

- for conductor with 0.5 mm diameter - 94Ω.

Operation temperature: from -60°С to +65°С (for ТРП model); from -40°С to +65°С(for ТРВ model)

ТРВ model wires shall not spread combustion when single laid.

Wiring shall be performed at ambient temperature not lower than -30°Сfor polyethylene insulated wires and not lower than -15°Сfor polyvinylchloride insulated wires

ТРВmodel insulation shall be resistant to deformation and cracking at a temperature of +65°С.

Insulation can be of any color. The wire designed for structure wall wiring shall have light-stabilized black insulation.

Factorylength - not less than 400 m.

Operational life of wires in case of outer wiring - not less than 12 years; for inner wiring - not less than 25 years.

Regulations: Technical SpecificationsBY 500017371.047-2008, Technical Specifications16.К04.005-89