
A telephone cable can be used for all kinds of communication purposes. They're found in telecommunication applications such as audio and TV equipment as well as in computer and phone networks. Fibre optic cables are a more advanced version of telephone cables.

### What type of cable do I need?

The type of telephone cable you choose will depend on the specific task it is needed for. For example, in high-tech audio equipment, it is necessary to prevent sound interference. 

The telephone cable will therefore need an extra conductive layer to ensure inference doesn't reach the cable itself.

Whether the cable is to be used inside/outside or as a telephone extension will also determine the type of cable that needs to be used. There are a range of telephone cables available including those that have been manufactured to British Telecom (BT approved) and European standards. You can find more information in our [telephone cable guide](/web/content/discovery/ideas-and-advice/telephone-cable-guide).

- [PVC telephone cable:](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4294885500) PVC outer sheath provides great dielectrics strength, meaning that PVC phone cords can sustain a high electric field before their insulating properties diminish, making them durable in extreme temperatures.
- [Copper telephone cable](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4294879939): offer the benefit of reliability. These highly secure phone cords provide consistent performance.
- [Black telephone cable](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4294878003): encased in black outer insulation or jacket, these are distinguishable from other types of cables such as Ethernet cables, which come in blue, yellow or grey. They are used to connect landline telephones to outlets in offices, homes or otherwise.
- [Telephone extension cable:](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4291386452) also known as phone extension cords, these are used to extend the reach of a telephone line to a greater distance from the original telephone jack or wall socket. These can be suitable for indoor or outdoor usage, depending on material.
- [Flame Retardant telephone cable:](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4293559984) provide extra protection against the spread of fire, ensuring improved safety within the home or the workplace.

RS offers a broad range of popular brands such as [Decelect](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4294966597), Roline, [Lapp](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4294965787), RND, CAE Groupe and our very own [RS Pro](https://uk.rs-online.com/web/c/cables-wires/networking-coaxial-cables/telephone-cable/?applied-dimensions=4291471876). We also provide an array of value-adding solutions, such as in-store collection where available, fast & free delivery and eco-friendly options like Better World products.



Telephone Cable

Networking & Coaxial Cables

Cables & Wires

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RS PRO Male RJ11 to Male RJ11 Telephone Extension Cable 3m

RS PRO Male RJ11 to Male BT Telephone Extension Cable 3m

RS PRO Female RJ11 to Male BT Telephone Extension Cable 5m

RS PRO Female RJ11 to Male BT431A Telephone Extension Cable 3m

Decelect Female Female Telephone Extension Cable, 5m

Decelect Female RJ11 to Male Telephone Extension Cable, 3m

Decelect Male RJ11 to Male Telephone Extension Cable 3m

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