The Indoor Telephone Cable Series (HBV, HBVV, HBYJ, etc.) is designed for subscriber line connections in telephone networks.
It is used as copper conductor indoor wiring for both general and harsh environmental conditions, ensuring reliable voice and data signal transmission in residential, commercial, and office applications.
PVC-insulated parallel pair indoor wiring subscriber line connections in telephone networks
Product Range
| Model | Structure | Insulation Material | Sheath Material | Application Environment |
|---|---|---|---|---|
| HBV | Parallel pair | PVC | — | Standard indoor environments |
| HBV-J | Twisted pair | PVC | — | Standard indoor environments |
| HBZR | Parallel pair | Flame-retardant PVC | — | Standard indoor environments (flame-retardant) |
| HBZR-J | Twisted pair | Flame-retardant PVC | — | Standard indoor environments (flame-retardant) |
| HBVV | Parallel pair | PVC | PVC | Harsh indoor environments |
| HBVV-J | Twisted pair | PVC | PVC | Harsh indoor environments |
| HBYJ | Parallel pair | PE | PVC | Harsh indoor environments |
| HBYV-J | Twisted pair | PE | PVC | Harsh indoor environments |
Key Features
📡 Stable Signal Transmission
High-purity copper conductors ensure clear and interference-free communication.🔥 Optional Flame-Retardant Properties
HBZR and HBZR-J models use flame-retardant PVC for enhanced fire safety in buildings.🧱 Durable Double Protection
HBVV and HBYJ types feature an extra PVC sheath for improved resistance against mechanical stress, humidity, and abrasion.⚙️ Excellent Flexibility and Easy Installation
Smooth insulation and compact construction make wiring fast and convenient.🌡️ Adapted for Various Conditions
Available in models suitable for both normal and harsh indoor environments.
Applications
Indoor telephone network wiring
Residential and office communication systems
Subscriber line connections
Signal transmission for low-voltage data or intercom systems
Technical Specifications
| Item | Specification |
|---|---|
| Conductor | Solid or stranded bare copper |
| Insulation | PVC or polyethylene (PE) |
| Sheath | PVC (for HBVV, HBVV-J, HBYJ, HBYV-J) |
| Rated Voltage | — (Low-voltage communication) |
| Structure | Parallel or twisted pair |
| Operating Temperature | -20°C to +70°C |
| Standards | YD/T 322, IEC 60332 (for flame-retardant types) |
Advantages
Reliable performance for telephone and data signal wiring
Available in PVC and PE insulated structures
Optional flame-retardant and double-sheathed protection
Long service life and easy handling
Ideal for both general and harsh indoor installations
Conclusion
The Indoor Telephone Cable Series (HBV, HBVV, HBYJ, HBZR, etc.) by TOT Wire & Cable offers a comprehensive range of solutions for modern communication networks.
Whether for standard office environments or harsh indoor conditions, these cables ensure safe, durable, and high-quality signal transmission.
👉 Contact TOT Wire & Cable today to find the best indoor telephone cable solution for your project or distribution needs.
