Four knowledge points of Security cable

RVV and kvv rvvp and KVVP

Difference: The RVV and RVVP adopt a soft wire consisting of multiple copper wires, that is, the rvwire.

The wires used in KVV and KVVP are hard wires consisting of single copper wires, that is, bvwires.

AVVR and RVVP

Difference: things are the same, but the name of the internal section smaller than 0.75 mm² is AVVR,

The name is RVVP if the value is greater than or equal to 0.75 mm².

SYV and SYWV

Difference: SYV is a video transmission line that is insulated from polyethylene.

SYWV is a RF transmission line with physical foam insulation. Used for cable TV.

RVS and RVV 2-core

Difference: RVS is a dual-core rvwire twisted with no outer jacket. It is used for broadcast connection.

The RVV 2-core cable is directly laid into a cable and has an external jacket for power supply and control signals.

1. Fluke: Residential Cable Testing System
2. Practice: The speed of cables is "Fierce" when the network is disconnected"