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YJV22 copper core PE insulated steel tape armored PE sheathed power cable is laid indoors, in tunnels and in direct-buried soil. The cable can withstand pressure and other external forces.
VV32 PVC insulated thin steel wire armored PVC sheathed power cables are laid indoors and in mines, and cables can withstand considerable tensile forces.
VV42 PVC insulated thick steel wire armored PVC sheathed power cables are laid indoors and in mines, and the cables can withstand considerable axial tension.
ZR-VV PVC insulated PVC sheathed flame-retardant power cables are laid indoors, in tunnels and in pipelines. The cables cannot withstand the effects of pressure and mechanical external forces.
ZR-VV22 PVC insulated steel tape armored PVC sheathed flame retardant power cable is laid indoors, in tunnels and in direct-buried soil. The cable can withstand pressure and other external forces.
ZR-VV32 PVC insulated thin steel wire armored PVC sheathed flame-retardant power cables are laid indoors and in mines, and cables can withstand considerable tensile forces.
ZR-VV42 PVC insulated thick steel wire armored PVC sheathed flame-retardant power cables are laid indoors and in mines, and the cables can withstand considerable axial tension. 
The model of the cable is composed of eight parts: 1. Usage code - not labeled as power cable, K is control cable, P is signal cable; 2. Insulation code - Z oil impregnated paper, X rubber, V PVC, YJ Polyethylene III, Conductor Material Code - Not labeled as copper, L as aluminum; IV. Inner sheath code - Q lead package, L aluminum package, H rubber sheath, V PVC sheath V. Derived code - D Non-dripping, P dry insulation; VI. Outer sheath code VII, special product code - TH humid tropical, TA dry tropical; VIII, rated voltage - unit KV.
Problems with the cable model
SYWV(Y), SYKV Cable TV, Broadband Network Specialized Cable Structure: (Coaxial Cable) Single Oxygen-Free Round Copper Wire + Physical Foamed Polyethylene (Insulation) + (Tin Wire + Aluminum) + Polyvinyl Chloride (Polyethylene) ).
2. The signal control cable (RVV sheathed cable, RVVP shielded cable) is suitable for building intercom, burglar alarm, fire protection, automatic meter reading and other projects.
3, RVVP copper core PVC insulated shielded PVC sheathed flexible cable voltage 300V/300V2-24 core. Uses: instruments, meters, intercom, monitoring, control installation.
4, KVVP: PVC sheathed shielded cable uses: electrical, instrumentation, distribution equipment signal transmission, control, measurement.
5, RVV (227IEC52/53) PVC insulated flexible cable uses: household appliances, small power tools, instruments and power lighting 6, RV PVC insulated cable 7, RVS, RVB suitable for household appliances, small electric tools, instruments ã€Instrument and power lighting connection cable 8, BV, BVR PVC insulated cable Usage: Suitable for electrical instrumentation and power lighting Fixed wiring 9,KVV PVC insulated control cable Uses: Electrical, instrumentation, power distribution device signal Transmission, control, and measurement of RVV and KVVRVVP vs. KVVP (a difference: the line used in RVV and RVVP is a multi-strand fine copper wire consisting of KVV and KVVP. The line used in the RVV is composed of a single strand of thick copper wire. The hard line, which consists of the BV line.
AVVR differs from RVVP: Same thing, except that the internal section is less than 0.75 square millimeters of the name AVVR is greater than or equal to 0.75 square millimeters. The name is RVVP
Difference between SYV and SYWV: SYV is a polyethylene insulation for video transmission lines. SYWV is a radio frequency transmission line, physical foam insulation. For cable TV.
The difference between RVS and RVV2 cores: RVS is a twisted two-core RV cable with no outer sheath for broadcast connections. RVV2 core wire is laid directly into a cable, with an outer sheath, used for power supply, control signals, etc. R-connected flexible cable (wire), soft structure. V-insulated PVC. V-PVC insulation V-PVC sheath B-flat (flat). S-twisted type. A-tin or silver plating. F - High temperature resistant P-braided shield P2 - Copper tape shielded P22 - Steel tape armored Y - Prefabricated, generally omitted, or Polyolefin sheathed FD - Product category code, refers to branch cable. The standards of the Ministry of Construction that will be promulgated are represented by FZ, which are essentially the same as YJ—XLPE insulated V—PVC insulated or sheathed ZR—flame-retardant NH—refractory WDZ—halogen-free low-smoke flame retardant WDN—no Low-smoke fire-resistant low-voltage fire-resistant project commonly used cable classification basic knowledge.
Model code meaning:
R-connecting flexible cable (wire), soft structure. V-insulated PVC. V-PVC insulation V-PVC sheath B-flat (flat). S-twisted type. A-tin or silver plating. F - High temperature resistant P-braided shield P2 - Copper tape shielded P22 - Steel tape armored Y - Prefabricated, generally omitted, or polyolefin sheathed FD - Product category code, refers to branch cable. The Ministry of Construction standards to be promulgated are represented by FZ, which are essentially the same YJ-XLPE insulated V-PVC insulated or sheathed ZR-flame-retardant NH-refractory WDZ-halogen-free low-smoke flame retardant WDN-None Halogen-low smoke refractory type: SYV75-5-1 (A, B, C)
S: Radio frequency Y: Polyethylene insulation V: Polyvinyl chloride sheath A: 64 series B: 96 series C: 128 series 75: 75 Ohm 5: Wire diameter is 5MM 1: Representative single core SYWV 75-5-1
S: Radio frequency Y: Polyethylene insulation W: Physical foaming V: PVC sheath 75:75 Ohm 5: Outside diameter of the cable is 5mm 1: Represents single core Example: RVVP2*32/0.2RVV2*1.0BVR
R: cord VV: double-sheathed wire P-shielded 2: 2-core multi-stranded wire 32: 32 copper wires per core 0.2: 0.2 mm diameter of each copper wire
ZR-RVS2*24/0.12
ZR: Flame Retardant R: Cord S: Twisted Pair 2: Two-core multi-stranded wire 24: Each core has 24 copper wires 0.12: Each copper wire has a diameter of 0.12 mm
Commonly used cable classification in weak current engineering
Common wire name and practical scope YJV copper core polyethylene insulated polyethylene sheathed power cables are laid in indoor, tunnels and pipelines. The cables cannot withstand the pressure and mechanical external force.