Several knowledge points of security cable

RVV and KVV, RVVP and KVVP

Difference: The wire used in RVV and RVVP is a flexible wire composed of multiple strands of fine copper wire, namely RV wire.

The wires used in KVV and KVVP are hard wires composed of a single thick copper wire, that is, BV wires.

AVVR and RVVP

Difference: The same thing, but the name of the internal cross section less than 0.75 square millimeters is AVVR, and the name of greater than or equal to 0.75 square millimeters is RVVP.

SYV and SYWV

Difference: SYV is a video transmission line, insulated with polyethylene.

SYWV is a radio frequency transmission line with physical foam insulation used in cable TV.

RVS and RVV2 core

Difference: RVS is made of twisted twin-core RV wire without an outer sheath, and is used for broadcast connection.

RVV2 core wire is directly placed into a cable, with an outer sheath, used for power supply, control signal and other aspects.