Communication cable HPVV, RVS, PVV2 and PVV22 difference
PVV22 is a PVC sheath, insulated and sheathed double steel tape wrapped armored PVC outer sheath signal cable.Strictly speaking, PVC insulated wires and cables can not be used as communication cables, because of the high frequency characteristics of the insulating medium.
Some money the wrong person (especially the so-called branch) arbitrary type, the purpose is to raise the price, make the procurement staff boduantui.
Don't fall for it! In the standard specification, there is no such model as the PVV2.