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BS7835 Cable

BS7835 Cable

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Armoured cables with thermosetting insulation - 3.8/6.6kV to 19/33kV - with low emission of smoke and corrosive gases when affected by fire. Manufactured in accordance with British Standard BS7835

British Standard BS7835 specifies requirements for single-core and three-core armoured cables with thermosetting insulation - 3.8/6.6kV up to 19/33kV. They are designed to produce low levels of smoke and corrosive gases on exposure to fire compared to the cables specified in British Standard BS6622.

BS7835 cable construction

This Standard specifies the following cable construction:

Conductor Class 2 stranded copper
Insulation Cross-linked Polyethylene (XLPE) Type GP8 or cross-linked Ethylene Propylene Rubber (EPR) Type GP7
Insulation screen Semi-conductive layer of XLPE
Screen Metallic screening layer of copper wire or copper tape
Bedding Low Smoke Zero Halogen (LSZH) compound
Armour Metallic armour of aluminium or aluminium alloy for single-core cables and galvanised steel wire for three-core cables
Outersheath Thermoplastic LSZH oversheath

BS7835 Cable selection

We supply a comprehensive range of Medium Voltage (MV) cables, including Low Smoke Zero Halogen (LSZH) thermoplastic oversheathed cables manufactured in accordance with British Standard BS 7835. These cables are designed to have improved fire performance when installed in air. They are also suitable for direct burial installation in free draining soil. It is recommended for the user to seek advice from the supplier for applications requiring installation in any other environment. In particular, these cables are not suitable for use as self-supporting aerial cables, as submarine cable or in water-logged conditions, and in environments where there is a risk of mechanical damage or exposure to excessive heat.

Please contact our technical engineers for technical support with the selection of BS 7835 cables and associated cable accessories. 
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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.


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.