Description
1、Product standards: refer to the post office YD/T630-93 standard and forge ahead of the enterprise standard;
2、Inner conductor: single annealing bare copper wire, diameter：0.4mm、0.5mm
3、Insulation: high density polyethylene or polypropylene, according to the national standard in color of the spectrum;
4、Insulation in pairs: individual conductors insulation according to the different pitch twisted pair, and with specified color combinations to identify the line to;To reduce the mutual interference between the clues to the crosstalk, power consumption is small;
Application: telecommunication engineering wiring, wiring connection between indoor telephone communication cable system, voice communication system between the main line, program-controlled switches, phone, fax and digital phone
Color: white, black, gray, white is more common。

Specifications and materials: there are two common specifications core and four core, wire diameter is 0.4 and 0.4 respectively, several areas are 0.8 and 1.0
Common materials (conductor) copper clad steel, copper clad aluminum, copper.Meet the national standard of only using copper phone line