Securlec 1 Gang Master Telephone Socket Round Edge | BS 5733 Compliant | IP20 Rated

Reliable Primary Telephone Socket for Residential and Commercial Use

The Securlec 1 Gang Master Telephone Socket with Round Edge is designed for robust and reliable connectivity in modern telephone and broadband installations. As a master socket, it serves as the primary connection point between your telephone line providers network and the internal phone wiring within a property. This unit is suitable for both residential and light commercial use.

Compliant with BS 5733 and manufactured from durable urea-formaldehyde, this socket ensures long-lasting performance while also blending seamlessly into interior dcor with its soft round-edge design.

Whether used as part of a new installation or as an upgrade, the Securlec master telephone socket delivers consistent performance, safety, and ease of installation.

Technical Specifications

Product Type: 1 Gang Master Telephone Socket

Socket Dimensions: 86mm x 86mm (Standard 1-gang size)

Associated Standard: BS 5733

Rated Voltage: Suitable for telecom wiring (typically 50V DC supplied by telephone exchange)

Nature of Supply: AC-compatible faceplate

Degree of Protection: IP20 (Indoor use only)

Ambient Operating Temperature: -5C to +40C

24-hour average not exceeding 25C

Max Installation Altitude: 2000m

Minimum Wall Box Depth Required: 16mm

Faceplate Material: Urea-formaldehyde (durable thermoset plastic)

Fixing Screws: M3.5 x 25mm

Boxed Dimensions: W: 8.5cm x D: 8.5cm

Boxed Weight: 70g

Key Features

Master Telephone Socket Functionality

Acts as the main termination point for incoming telephone lines.

Suitable for broadband filters, telephone sets, and DSL modems.

Enables accurate fault diagnosis by service providers before it reaches internal wiring.

Installer-Friendly Design

Top-access large angled terminals make wiring faster and more accessible.

Heavily embossed terminal markings provide clear and permanent identification, reducing wiring errors.

Only one size screwdriver required for installation simplifying the process.

Secure & Safe Connection

Dual earth terminals ensure continuous earthing, ideal for use in metal back boxes or for compliance with earthing requirements in commercial buildings.

Fixing screws retained by the integrated earth strap prevent accidental loss during setup.

Durable Build & Professional Aesthetics

Made from high-quality urea-formaldehyde, offering:

High resistance to heat

Excellent impact resistance

Minimal discoloration over time

Contoured round-edge profile provides a smooth, modern finish that blends discreetly into any wall surface.

Recommended Applications

Home Installations: As the main socket for single-line telephone systems or internet setups.

Offices & Commercial Spaces: Reliable termination point for business landlines and broadband routers.

Renovation Projects: Perfect for retrofitting old master sockets with a clean, modern equivalent.

Rental & New Builds: Suitable for inclusion in property development, ensuring compliance with telecom connection standards.

Installation Guidance

Must be installed by a competent person or qualified electrician/telecom engineer.

Fits standard 1-gang electrical wall boxes with a minimum depth of 16mm.

Ensure the incoming line is connected correctly to the terminals marked for Line and Earth.

Use a test socket or filtered faceplate as required by the telecom provider.

Do not install outdoors or in environments exposed to water or high humidity (IP20 rated).

Frequently Asked Questions (FAQs)

Q: What is the difference between a master and a secondary telephone socket?
A: A master socket is the primary socket where the external telephone line enters the property. It typically includes a capacitor and resistor for signal separation. Secondary sockets are wired from the master and serve as extensions.

Q: Can I install this socket outdoors?
A: No. This unit is rated IP20 and is intended for indoor use only, away from moisture or dust exposure.

Q: Is this socket suitable for broadband internet?
A: Yes. As a master socket, it serves as the entry point for DSL and fibre broadband filters and is essential for proper signal performance.

Q: What type of faceplate is used?
A: The unit features a rounded-edge faceplate made from urea-formaldehyde, giving a modern and durable finish.

Why Choose the Securlec 1 Gang Round Edge Master Telephone Socket?

The Securlec Master Telephone Socket provides a trusted and regulation-compliant solution for establishing a solid connection between your telecom providers network and your internal wiring. Its combination of safety features, installation ease, and modern design makes it an ideal choice for homes, offices, and multi-dwelling units.

For performance, durability, and seamless aestheticsSecurlec delivers every time.