Telephone Wire

Telephone Wire — Old Tech, But Still Very Much in Use

Yes, landlines and intercom systems are still being installed every day — in offices, hotels, hospitals, housing societies, and industrial facilities. And when they are, the quality of the telephone wire running through the walls determines how clean and stable the signal is for years to come.

We stock Polycab telephone wires in the two most commonly used gauges — 0.40mm for standard residential and light commercial use, and 0.50mm for longer runs and commercial installations where signal strength needs to be maintained over distance. Both available in 2 pair and 4 pair configurations depending on how many lines you need to run.

Polycab is India’s most trusted wire brand, and their telephone cables are ISI marked under HSN 8544, made in India, and built for consistent performance. No signal degradation, no cross-talk issues from poor insulation.

Whether you’re wiring a single office, setting up an intercom system in a housing society, or supplying for a hotel installation — we’ve got the stock and the pricing to match your requirement.

Bulk orders welcome — contractors and system integrators can reach out directly for wholesale rates.

Fast delivery across Mumbai, Delhi, Pune, Bangalore, Hyderabad, Chennai and all of India.

💬 FAQ Section

Q1. What is telephone wire used for? Telephone wire is used for wiring landline telephone connections, intercom systems, EPABX systems, and internal communication networks in residential buildings, offices, hotels, hospitals, and industrial facilities. It carries low-voltage voice signals between telephone instruments and exchange points.

Q2. What is the difference between 0.40mm and 0.50mm telephone wire? The gauge refers to the diameter of the copper conductor. 0.40mm is suitable for shorter runs in residential and light commercial applications. 0.50mm has a thicker conductor, making it better for longer cable runs and commercial installations where maintaining signal quality over distance is important.

Q3. What is the difference between 2 pair and 4 pair telephone wire? A 2 pair telephone wire contains 2 twisted pairs of conductors — enough for 1–2 telephone lines. A 4 pair wire contains 4 twisted pairs, supporting up to 4 separate lines and is commonly used in offices, hotels, and EPABX systems where multiple extensions are needed.

Q4. Is Polycab telephone wire ISI marked? Yes. All Polycab telephone wires available on Elecload India are ISI marked under HSN Code 8544 and manufactured in India to Indian standard specifications. Polycab is one of India’s leading wire and cable brands trusted by electricians, contractors, and system integrators.

Q5. How much telephone wire do I need for an office? For a small office of 10 extensions, you typically need 150–250 metres of telephone wire depending on layout and cable routing. For larger EPABX systems, calculate based on the distance from the EPABX panel to each extension point, adding 15–20% for routing through conduit and walls.

Q6. Where can I buy Polycab telephone wire at wholesale price in India? Elecload India stocks Polycab telephone wires in 0.40mm and 0.50mm gauge with 2 pair and 4 pair options. We offer wholesale pricing and bulk discounts for contractors, system integrators, and project buyers with fast delivery across India.