PVC control cables are a major headache in industrial settings, and you’ve definitely encountered them.
Sudden signal drops, cables that won’t bend easily, cables that stiffen in cold winters and limp in hot summers… Every problem causes downtime of hours or even days, with repair costs and delays adding up to a painful expense.
We are a factory with over 20 years of experience in the cable industry, located in the heart of the cable industry’s concentration. We specialize in PVC control cables (YY type), ranging from 0.5 to 6 square millimeters, with multiple core counts. Our conductors use high-purity annealed copper wire, and both the insulation and outer sheath are genuine PVC, with a temperature resistance of -20℃ to +80℃. They withstand bending and can truly withstand the vibrations, oil, and humidity of the factory environment.
What can we do for you?
We can manufacture according to your equipment requirements; core count, color, and whether or not to shield are all optional. We can also quickly create molds for special needs.
Our prices are significantly lower than major brands, but the quality is not compromised at all.
Samples are readily available and can be shipped within 7-15 days.
For any technical questions, just give us a call; our engineers are on call.
What is a PVC control cable?
PVC control cable is a cable used for control, monitoring, and protection circuits with AC rated voltage of 450/750V and below.
Structure includes:
Conductor: Typically multi-strand finely twisted soft copper wire (Class 5 flexible conductor) to ensure installation flexibility.
Insulation: High-quality PVC (polyvinyl chloride) material, providing basic electrical isolation.
Cable: Colored or coded insulated cores twisted together for easy field identification.
Shielding (optional): Aluminum foil or copper mesh braid for electromagnetic interference protection.
Sheath: An outer PVC protective layer providing mechanical protection and resistance to environmental corrosion.
Comparison of main technical parameters of PVC control cables
| Parameter categories | General/basic type (e.g., RVV, NYY) | Shielded type (e.g., RVVP, KVVRP, SY series) | High flexibility/drag chain type (e.g., TRAXLINE® CONTROL 200 C/400 C) | Reference Standards/Instructions |
|---|---|---|---|---|
| Rated voltage U 0/U U 0 / U | 300/500V or 450/750V or 0.6/1kV | 300/300V or 450/750V | According to VDE: 300/500V; according to UL: 600V (400 C series) | Voltage levels vary depending on the standard and application scenario. |
| Temperature range (dynamic) | Mobile installation: −5∘C−5 ∘ C to +70∘C+70 ∘ C | Mobile installation: −5∘C−5 ∘ C to +70∘C+70 ∘ C | Mobile installation: −5∘C− 5∘C to + 80∘C + 80∘C | Highly flexible cables typically have a wider temperature resistance range. |
| Temperature range (static/fixed) | Fixed installation: −30∘C−30 ∘ C to +70∘C+70 ∘ C | Fixed installation: −30∘C−30 ∘ C to +70∘C+70 ∘ C | Fixed installation: −30∘C−30 ∘ C to +80∘C+80 ∘ C | Fixed installations can withstand lower temperatures than mobile installations. |
| Minimum bending radius (dynamic) | 10×10× Cable diameter (D) | 10×10× cable diameter (D) to 15×D15× D | 7.5× D (400 series) or 10× D (200 series) | The smaller the value, the better the flexibility. |
| Minimum bending radius (static) | 6×6× cable diameter (D) or lower | 6×6× Cable diameter (D) | 5×D5× D | A smaller bending radius is allowed when laying in a fixed position. |
| conductor type | Bare copper wire, Class 1 (solid) or Class 2 (stranded). | Fine bare copper wire or tin-plated copper wire, Class 5 (soft conductor) | Bare copper wire, Class 5 or Class 6 (extra soft conductor) | The larger the number after Class, the more flexible the conductor. |
| Insulating materials | PVC | PVC | PP/9Y (core wire insulation) / PVC (inner sheath) | PP (polypropylene) generally has better electrical properties than PVC. |
| Sheath material | PVC | PVC (Type TM2) | PVC (oil-resistant, wear-resistant, flame-retardant) | The characteristics of the sheath directly affect the environmental adaptability of the cable. |
| Core wire marking | Black core wire with white number markings, and a yellow-green ground wire. | Black core wire with white numbering, including a yellow-green grounding wire; colored core wire (DIN 47100) | Black core wire with white number markings, and a yellow-green ground wire. | Numerical designations facilitate installation and identification. |
| shield | none | Tin-plated copper braided wire mesh (GSWB) or bare copper braid, with a coverage of approximately 85%. | Tin-plated copper braided shielding | The shielding layer is used to resist electromagnetic interference (EMC). |
| Insulation resistance | ≥10 MΩ⋅km≥10 MΩ⋅km (20°C) | ≥10 MΩ⋅km≥10 MΩ⋅km (20°C) | >30 MΩ⋅km>30 MΩ⋅km | The higher the value, the better the insulation performance. |
| Test voltage | 2000V (core/core) or 4000V AC | 2000V (core/core) | – | Electrical strength test values before leaving the factory. |
| Key features | Flame retardant, general purpose, economical | Flame retardant, anti-electromagnetic interference, oil resistant | Oil-resistant, UV-resistant, ozone-resistant, highly abrasion-resistant, and long-lasting (millions of bends). | The characteristics of a cable determine its applicable applications. |
| Reference Standard | GB/T 9330, IEC 60502, VDE 0271 | GB/T 9330, BS6500, VDE 0250 | VDE, UL, REACH/RoHS | It conforms to the standard system. |
PVC control cables vs. other materials: Why choose PVC?
| characteristic | PVC control cable | XLPE control cable | LSZH (Low Smoke Halogen-Free) |
|---|---|---|---|
| Maximum temperature resistance | 70°C (Standard) / 90°C (High Temperature Resistant) | 90°C | 70°C / 90°C |
| flexibility | excellent | generally | excellent |
| cost | Low (best value for money) | middle | high |
| Combustion characteristics | It contains halogens and produces a lot of smoke. | Halogen | Low smoke, non-toxic |
| Applicable Environment | Outdoor, underground, general industrial | High temperature environment | Subway, hospital, high-rise building |
Note: If your project does not have extremely stringent flame retardant requirements (such as subway tunnels) and you have a limited budget, PVC control cables are the preferred choice for industrial environments.
PVC Control Cables vs. Power Cables: Are They Interchangeable?
While they look similar, they are not interchangeable:
Different Functions: Power cables transmit electrical energy (high current), while control cables transmit signals or low-current control commands.
Structural Differences: Control cables typically have more cores and require higher standards for shielding and insulation symmetry to ensure accurate signal transmission.
Safety Standards: Control cables have different design standards than power cables in terms of fault tolerance.
Comparison table of PVC control cable models
| Classification | Common models | Model Number Meaning Analysis | Applicable Scenarios |
|---|---|---|---|
| International Standards | LiYY | Li – Low smoke halogen-free; Y – Copper conductor; Y – Polyvinyl chloride sheath → Low smoke halogen-free polyvinyl chloride sheathed control cable | Places with high requirements for environmental protection and safety |
| LiYCY | Based on LiYY + C-copper wire braided shielding → Low smoke halogen-free PVC sheathed copper wire shielded control cable | Industrial environments with strong electromagnetic interference | |
| NYYHY | N – Fire resistant; Y – Copper conductor; Y – Polyvinyl chloride insulation; H – Cold resistant; Y – Polyvinyl chloride sheath → Cold and fire resistant control cable | Outdoor scenarios with low temperatures and high fire protection requirements | |
| H07V-R | H – Household; 07 – Withstand voltage 700V; V – Polyvinyl chloride insulation; R – Flexible structure → Household flexible control cable | Small appliances, home wiring | |
| 18/2C | 18-Wire gauge 18AWG; 2C-2 core → 18 gauge 2-core PVC control cable | Low-voltage control, signal transmission | |
| Chinese Standards | KVV | K – Control cable; V – Polyvinyl chloride insulation; V – Polyvinyl chloride sheath → Polyvinyl chloride insulated and polyvinyl chloride sheathed control cable | Fixed installation in indoor spaces, cable trenches, and other similar locations. |
| KVV22 | KVV based +22- steel tape armor → PVC insulated, PVC sheathed, steel tape armored control cable | Environments that need to withstand certain mechanical external forces | |
| KVV32 | KVV based +32-fine steel wire armor → PVC insulated, PVC sheathed, fine steel wire armored control cable | High drop, scenarios with mechanical pulling risks | |
| ZR-KVV | ZR-Flame Retardant Type + KVV → Flame Retardant PVC Insulated and PVC Sheathed Control Cable | Places with fire prevention requirements | |
| CKJV/DA (Marine) | C – Marine; K – Control; J – Cross-linked polyethylene insulation; V – Polyvinyl chloride sheath; DA – Single vertical combustion | Ship internal control system wiring |
FAQ
Q1: Will PVC cables harden and crack at low temperatures?
A: Ordinary PVC becomes brittle below -15°C. If you are installing outdoors in cold regions, please consult your supplier for a cold-resistant PVC formula.
Q2: How to judge the quality of PVC cables?
A: First, check the copper core: High-quality copper cores are bright and free of black spots, with good flexibility; second, smell the odor: Inferior PVC has a pungent odor and emits thick black smoke when burned; third, check the sheath: The surface should be smooth and tight, and the printing should be clear and not easily erased.
Q3: Can PVC control cables be used outdoors?
A: Yes. Ordinary PVC sheaths have good UV resistance and moisture resistance, but for long-term exposure to strong sunlight, it is recommended to use outdoor-specific models with added UV-resistant carbon black.
Q4: What is the difference between KVV and KVVP?
A: The “P” in KVVP stands for Shielded, meaning there is a copper braided mesh between the insulated core and the sheath for electromagnetic interference protection. KVV is unshielded.
Q5: What is the service life of PVC control cables?
A: Under normal laying and usage conditions (no direct sunlight, no immersion in water, and temperature not exceeding 70°C), the service life can reach 15-20 years.
Q6: Do you support customized colors and core counts?
A: Yes, we support customization from 1 to 61 cores, and we can customize the sheath color according to the Pantone color chart. Please consult customer service for the minimum order quantity (MOQ).
Q7: YY, CY, and SY control cables: Which should you choose?
YY cable (standard type): Unshielded, suitable for dry or humid indoor environments and applications without mechanical stress.
CY cable (shielded type): With a tinned copper braided shield. This is the preferred choice if you need protection against electromagnetic interference (EMI).
SY cable (reinforced type): With a galvanized steel wire braided layer. It provides extremely strong mechanical protection and is suitable for environments susceptible to physical impact.