RVS Cable
Coper conductor PVC insaulated twisted fexible cord f or connection
Conductor: Stranded bare copper wire (Class 5 flexible conductor).
Insulation: PVC (Polyvinyl Chloride).
Structure: Two insulated cores twisted together (Twisted Pair).
Sheath: None (RVS does not have an additional outer jacket; the protection comes from the insulation of the individual cores).
Color: Typically Red/Black, Red/White, or other mixed combinations.
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Product Description
RVS: Product Description and Specifications
The RVS Cable, commonly known as “Twisted Pair” or “Fire Wire,” is a flexible multi-strand copper wire designed for diverse low-voltage connections. It consists of two PVC-insulated cores twisted together without an outer sheath, offering excellent flexibility and ease of use in tight spaces.
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Advantages
RVS: Benefits and Features
EMI Cancellation Twisted pair structure naturally cancels signal noise and crosstalk for clear audio/data.
Class 5 Flexibility Fine stranded copper (IEC 60228) fits easily into small junction boxes and detector bases.
Instant Polarity ID Color-coded insulation (e.g., Red/Blue) ensures immediate recognition of Positive/Negative.
300/300V Rating Optimized for Fire Alarms, Public Broadcasting (PA), and Low-Voltage Instrumentation.
Dimensions/Parameters
| Model | Specification | Approx. OD (mm) | Approx. Cable Weight (kg/km) |
|---|---|---|---|
| RVS | 2x0.5 | 5.00 | 23.24 |
| RVS | 2x0.75 | 5.40 | 29.41 |
| RVS | 2x1.0 | 5.60 | 34.06 |
| RVS | 2x1.5 | 6.20 | 45.10 |
| RVS | 2x2.5 | 7.20 | 65.02 |
| RVS | 2x4.0 | 8.60 | 100.70 |
| RVS | 2x6.0 | 10.40 | 146.59 |
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Production Processes Of Electrical Cable
Our production relies on state-of-the-art manufacturing equipment to ensure superior cable performance. The process integrates precision copper drawing and annealing with advanced insulation extrusion technology for uniform thickness. Throughout production, strict quality control measures—including online spark testing and automated diameter monitoring—are applied to every meter. This rigorous workflow guarantees that our electrical cables meet stringent IEC and GB standards for residential and industrial use.
Packing For Shipment
To meet various transportation needs, there are many methods of packaging that can be used.
Have more questions?
Q: Product Designation?
A: Copper Core PVC Insulated Stranded Flexible Wire.
Structure: Twisted Pair (No outer sheath).
Standard: JB/T 8734.3.
Alias: “Fire Wire” (Fire Alarms) or “Twisted Pair” (Audio).
Q: RVS (Twisted) vs. RVB (Flat)?
A: EMI Performance.
RVB: Parallel Flat. Zero interference cancellation.
RVS: Twisted Pitch. Effectively cancels electromagnetic interference (EMI) and crosstalk. Preferred for signal/audio transmission.
Q: RVS vs. RVV?
A: Mechanical Protection.
RVS: Non-Sheathed. Thinner, for fixed wiring inside ducts/devices.
RVV: Sheathed. Has an extra outer jacket for mechanical protection. For portable power cords.
Q:Primary Applications?
A: Signal & Low Voltage.
Fire Alarm Detectors / Loops.
Public Address (PA) Audio Systems.
Emergency Lighting.
Voltage Rating: 300/300V.
Q: Why "Twisted" Structure?
A: Signal Integrity. Physical twisting reduces susceptibility to external noise and prevents signal degradation over long runs (Critical for Broadcasting/Alarms).
Q: Outdoor Suitability?
A: No. PVC insulation lacks UV stabilizers. Must be installed inside conduits or trunking to prevent insulation cracking.
Q: Fire Safety Options?
A: Project Dependent.
Standard: Regular PVC.
ZR-RVS: Flame Retardant (IEC 60332).
NH-RVS: Fire Resistant (Mica Tape wrapped) for critical alarm circuits.
Q : Conductor Material?
A: Standard: Oxygen-Free Copper (OFC), Class 5 Stranded. (Note: CCA/Copper Clad Aluminum available only for custom non-compliant budget orders).