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BS7846 Cable

BS7846 Cable

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Thermosetting insulated armoured fire-resistant cables - 600/1000V - with low emission of smoke and corrosive gases when affected by fire, manufactured in accordance with British Standard BS7846.

British Standard BS7846 specifies requirements for armoured fire-resistant cables with thermosetting insulation - 600/1000V - with low emission of smoke and corrosive gases when affected by fire. The Standard also specifies that circuit integrity performance under fire conditions is to be assessed on the basis of various tests separately measuring resistance to fire, resistance to fire with water spray, resistance to fire with mechanical shock (Category F2), or in combination to include direct mechanical impact with water jet (Categories F30, F60 and F120).

In addition to their fire-resistant properties, cables manufactured in accordance with this Standard have a steel wire armour (SWA) or interlocking steel tape armour which makes them suitable for application where the risk of mechanical damage is a concern. 

These cables are widely used in fixed installations in industrial areas, buildings and similar applications, where maintenance of power supply is required for a defined period of time in the event of a fire.

 
BS7846 cable supplier

BS7846 cable construction

Conductor Annealed plain or tinned copper (Class 2)
Insulation GP6 or GP8 with levels of HCI no greater than 0.5%
Bedding Polymeric materials with levels of HCI no greater than 0.5%
Armour Galvanised steel wires or galvanised interlocking steel tape
Outersheath Polymeric material conforming to the requirements for LTS 1 contained in BS7655-6.1

BS7846 Cable core identification

Number of cores Indentification
Two-core Brown and blue
Three-core Brown, black and grey
Four-core Blue, brown, black and grey
Five-core Green and yellow, blue, brown, black and grey

BS7846 cable fire resistance categories

The cables under this Standard are categorised according to their special fire resistance characteristics:

F2 Resistance to fire, resistance to water, resistance to fire with mechanical shock, assessed separately when tested in accordance with this Standard
F30 Resistance to fire with direct mechanical impact and fire assessed in combination for 30mins when tested in accordance with British Standard BS8491 for 30mins
F60 As per F30 for 60mins
F120 As per F30 for 120mins

We offer the full range of Firetec®-branded fire performance cables, including the BASEC- and LPCB-approved Impact Power cable manufactured in accordance with British Standard BS7846. 
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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.

Quality

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.

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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.

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