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G7250 Cable

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Applications Overview

Our LUL-approved 0.65/1.1kV signalling cables Type D1, D2, E1 and E2 are manufactured in accordance with G7250. Their Low Smoke Zero Halogen (LSZH) sheathing makes them suitable for use in tunnels and underground across the London Underground network.

In stock - next day delivery as standard

Eland Cables has a wide range of G7250 signalling cables in stock available for same-day collection or Next-Day delivery, which we offer as standard to all parts of London and the UK. These cables can also be delivered on a same-day basis for urgent requirements.

G7250 LSZH signalling cable construction

  G7250 Type D1 G7250 Type D2 G7250 Type E1 G7250 Type E2
Conductor Single solid (Class 1) or stranded tinned (Class 2) copper conductor Twin and multi-core of solid (Class 1) or stranded tinned (Class 2) copper Flexible single tinned copper (Class 5) conductor Flexible twin and multi-core tinned copper (Class 5) conductor
Insulation Ethylene Propylene Rubber (EPR) EPR EPR EPR
Screen - Aluminium taped spiral screen - Aluminium taped spiral screen
Drain wires - Tinned copper - Tinned copper
Outersheath Low Smoke Zero Halogen (LSZH) LSZH LSZH LSZH

This range of signalling cables has a temperature rating of -15oC to +85oC.
LUL's G7250 signalling cables differ from the Network Rail signalling Type D2 & E2 specification cables (NR/PS/SIG/00005) by virtue of the screen constructed from a double layer of Aluminium laminate tape, the inner tape with the metallic side out, the outer tape with it facing inwards, with the drain wires between the tape in full metallic contact.

Rail & metro industry experts

Eland Cables is a leading supplier of signalling cables to the rail industry. For more information on our product ranges and on our rail industry solutions, please speak to one of our rail specialists.

Range of Cables

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Cable Standards and Approvals

LSZH Signalling Cable Type D1, D2, E1, E2
G 7250, 1-085 (Emissions and Flame Propogation), BS EN 60228

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Call Sales on +44 (0)20 7241 8787

Technical Hotline +44 (0)20 7241 8500

The Cable Lab®

UKAS-accredited specialist cable testing laboratory

About Eland Cables

The Cable Lab® our in-house cable testing facility, is UKAS-accredited to ISO 17025, which is the single most important standard for calibration and testing laboratories around the world. Accreditation to this international standard demonstrates our laboratory's technical competence and the accuracy of its results.

For our customers, it means peace of mind. They can have full confidence in the quality of our products and can demonstrate due diligence in selecting their cable supplier.

Our customers can also rely on the Cable Lab's services for an independent, objective and comprehensive quality assessment of cables procured from third parties.


About Eland Cables

About Eland Cables

Established in 1975, Eland Cables is a supplier of power, data, instrumentation and control cables and cable accessories to the world's most demanding industries and to some of its most prestigious projects. Our reputation is built on an unswerving focus on quality, technical expertise and customer service.


Our focus on quality has resulted in our in-house specialist cable testing facility securing the ISO 17025 accreditation. This certifies the competence, impartiality and performance capability of our laboratory and its evaluations. In turn, it means peace of mind for our customers with regard to the quality of the cables they source from us.

Expert tecHnical support

Our highly-qualified technical team is on hand to provide technical support with all aspects of cable selection, technical specification, regulatory requirements, and bespoke cable design and manufacture.

Complete Cable Solutions

We are a key contributor to projects in over 100 countries every year, adding value through comprehensive technical support, reliable logistics, innovative solutions, and a customer-centric approach.