Conductor: solid annealed copper wire
Insulation: high-density polyethylene, medium-density polyethylene or polypropylene, and the color of the insulation wire is marked according to the full color spectrum standard
Insulated wire pairs: single insulated wires are twisted into pairs according to different pitches to minimize crosstalk, and a specified color spectrum combination is used to identify the wire pairs
Cable core wrapping tape: polyester film tape is wrapped longitudinally around the cable core
Shielding: plastic is applied to one side of an aluminum tape (aluminum tape thickness 0.25mm), and the aluminum tape is wrapped longitudinally on the cable core, and the wrapping tape must overlap
Sheath: black low-density or medium-density polyethyleneDC resistance (20℃): 0.4mm wire diameter ≤148Ω/km; 0.5mm wire diameter ≤95.0Ω/km
Insulation electrical strength: 1kv between conductors for 1min without breakdown; 3kv between conductors and shielding for 1min without breakdown
Insulation resistance: Each core wire is grounded to the other cores, the inflatable cable is greater than 10000MΩ.km, and the filled cable is greater than 3000MΩ.km
Working capacitance: average value 52±2nF/km
Far-end crosstalk protection: the average power of the specified combination at 150kHZ is greater than 69dB/km
HYA Communication Cable/HYA Telephone Cable
HYA5*2*0.4 HYA5*0.5 HYA10*2*0.4 HYA10*2*0.5 HYA20*2*0.4 HYA20*2*0.5 HYA25*2*0.5 HYA30*2*0.4 HYA30*2*0.5 HYA50*2*0.4 HYA50*2*0.5 HYA100*2*0.4 HYA100*2*0.5 HYA200*0.5 HYA300*0.5 HYA53-10*0.4 HYA53-20*0.4
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