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Telephone Cord
  • Telephone Cord

Telephone Cord

UL20251

A telephone cord is an essential cable designed for telephones and various electronic devices, widely used in telephone connection lines, handset wiring, and internal signal transmission systems. Engineered with high-quality materials and compliant with international safety standards, this corded phone cable ensures stable, secure, and long-lasting performance in both residential and commercial environments.
  • Product Detail

A telephone cord is an essential cable designed for telephones and various electronic devices, widely used in telephone connection lines, handset wiring, and internal signal transmission systems. Engineered with high-quality materials and compliant with international safety standards, this corded phone cable ensures stable, secure, and long-lasting performance in both residential and commercial environments.

Manufactured using stranded or solid conductors made of tinned copper, bare copper, or tinsel, the telephone cord is combined with color-coded polypropylene (PP) insulation and a robust PVC telephone cord sheath. This structure guarantees excellent electrical conductivity, strong insulation performance, and superior durability for everyday use.

Telephone Cord

Product Description

This phone cord supports 2 to 10 conductors arranged in a parallel flat structure, making installation neat and efficient. The cable is designed to withstand regular bending and handling, making it ideal as a telephone handset cord, modular telephone cord, or internal cable for electronic equipment.


Key Specifications:

  • Conductor options: stranded or solid, tinned or bare copper, or tinsel conductor

  • Core count: 2 to 10 conductors

  • Insulation: color-coded PP insulation

  • Structure: parallel flat layout

  • Jacket material: plastic telephone cord with PVC sheath

  • Rated temperature: 60℃

  • Rated voltage: 150V

  • Flame retardancy: Passes UL VW-1 vertical flame test

  • Standards: UL 758, UL 1581

Whether used as a straight cable or a coiled telephone cord, this product delivers consistent signal transmission and mechanical reliability.


Features

  • Flexible telephone cord design
    Supports frequent movement and bending, suitable for handset connections and desk phones.

  • Durable phone cord construction
    The PVC outer jacket provides strong resistance to wear, corrosion, and aging.

  • High safety performance
    Flame-retardant structure complies with UL standards, ensuring safe long-term operation.

  • Stable signal transmission
    High-purity copper conductors and PP insulation reduce signal loss and interference.

  • Multiple configuration options
    Available in different AWG sizes, conductor types, and core counts for various applications.



CABLE CONSTRUCTION

Conductor

Insulation Thickness 

No.Of Core 

Jacket Thickness 

Overall Diameter 

AWG 

No./mm 

mm 

No 

mm 

mm 

28 

7/0.127 

0.28 

0.68x 1.50 

2.6x4.9 

0.68x0.58 

2.6x4.9 

0.58x0.58 

2.4x6.8 

0.68x0.50 

2.6x8.6 

10 

0.68x0.60 

2.6x10.6 

26 

7/0.16 

0.23 

0.68x 1.50 

2.6x4.9 

0.68x0.58 

2.6x4.9 

0.58x0.58 

2.4x6.8 

0.68x0.50 

2.6x8.6 

10 

0.68x0.60 

2.6x10.6 

24 

7/0.203 

0.17 

0.68x 1.50 

2.6x4.9 

0.68x0.58 

2.6x4.9 

0.58x0.58 

2.4x6.8 

0.68x0.50 

2.6x8.6 

10 

0.68x0.60 

2.6x10.6 

32 

TlNSEL 

0.19 

0.68x 1.50 

2.6x4.9 

0.68x0.58 

2.6x4.9 

0.58x0.58 

2.4x6.8 

0.68x0.50 

2.6x8.6 

*26 

7/0. 16 

0.23 

0.85  

4.00  

0.55  

4.00  

0.60  

4.30  

*24 

7/0.203 

0. 17 

0.85  

4.00  

0.55  

4.00  

0.60  

4.30  

10 

0.70  

4.80  

 *32 

TINSEL 

0.19 

0.85  

4.00  

0.55  

4.00  

0.60  

4.30 


Advantages

  • Ideal as a replacement telephone cord for damaged or aging cables

  • Strong anti-interference capability for clear voice communication

  • Easy to install due to flat parallel conductor layout

  • Suitable for telephones, communication equipment, and electronic devices

  • Supports customization for conductor material, color, length, and packaging

This flexible and durable phone cord is designed to meet diverse connection requirements while maintaining excellent performance over time.


Applications

  • Telephone systems
    Used as a telephone handset cord, desk phone cable, or subscriber line connection.

  • Electronic equipment internal wiring
    Reliable internal cable for signal transmission in electronic devices.

  • Communication systems
    Suitable for telephone exchanges and telecom equipment.

  • Home and office use
    A dependable corded phone cable for residential and commercial installations.


Customization Support

We offer full customization to meet different project and market needs:

  • Conductor materials: tinned copper, bare copper, or tinsel

  • Core numbers: 2–10 cores with multiple color options

  • Jacket and insulation materials: PVC, PP, or customized solutions

  • Cable length and packaging options available


FAQ

Q: Is this telephone cord suitable for long-term use?
A: Yes. The cable uses high-quality materials and passes flame-retardant tests, ensuring durability and safety for long-term use.


Q: What are the voltage and temperature ratings?
A: The rated temperature is 60℃, and the rated voltage is 150V.


Q: Can this be used outdoors?
A: This product is designed for indoor use. For outdoor environments, waterproof and UV-resistant cables are recommended.


Q: Is installation complicated?
A: No. The flat, parallel structure allows for easy and organized installation.


Q: Can I order custom lengths?
A: Yes. Cable length, structure, and packaging can all be customized based on your requirements.

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E-mail: andy@herwell.com.cn

Add: No.13 Shui Chang Er Road, Shui Kou Village, Dalang Town, Dongguan City, Guangdong Province, China

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