- BS5308 Cable
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- BS638 Part 4 Cable
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- BS EN 50288 Cable
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- NF M87-202 Cable
- UL758 Cables & Wires
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BS7629-1 Cable
Click to view our full range of BS7629-1 standard cables 
Fire resistant screened cables with low smoke and corrosive gas emissions and a voltage rating of 300/500V
Part 1 of British Standard BS7629 refers to multicore and multipair cables. It relates to cables that provide circuit integrity under the effects of fire, mechanical shock and water, for a prescribed period of time, supporting fire-fighting efforts and protecting lives and essential equipment. These cables’ primary function is intended for use in emergency lighting, fire alarm circuits and fire detection systems.
Cables covered under BS 7629-1 have the following characteristics:
Fire resistant screened cables with low smoke and corrosive gas emissions and a voltage rating of 300/500V
Part 1 of British Standard BS7629 refers to multicore and multipair cables. It relates to cables that provide circuit integrity under the effects of fire, mechanical shock and water, for a prescribed period of time, supporting fire-fighting efforts and protecting lives and essential equipment. These cables’ primary function is intended for use in emergency lighting, fire alarm circuits and fire detection systems.
Cables covered under BS 7629-1 have the following characteristics:
| Thermosetting insulation with a voltage rating of 300/500V |
| Resistance to fire (Circuit integrity) |
| Emit limited amounts of smoke and corrosive gases in the event of fire |
| Intended for use in emergency lighting, fire detection and fire alarm system circuits |
BS7629-1 Cable Construction
| Multicore cables | Multipair cables | |
|---|---|---|
| Uninsulated conductors | Tinned annealed copper (Class 1 or 2) | Tinned annealed copper (Class 1,2 or 5) |
| Insulated conductors | Plain or tinned annealed copper (Class 1 or 2) | Plain or tinned annealed copper (Class 1, 2 or 5) |
| Drain wire | One or more tinned annealed copper wires | |
| Insulation | Type EI 2, Type EI 3, Type EI 5, GP4 or GP6 | |
| Screen | Metallic or laminated metallic tape | |
| Sheath | LTS 3 compound | |
Multicore circular cables can be of 2-core, 3-core or 4-core construction with uninsulated circuit protective conductor, and of 7-core, 12-core, 19-core, 2-pair and 3-pair construction with uninsulated tinned annealed copper drain conductor of not less than 0.5mm2. All cables in this standard include a metallic layer, which provides electrostatic screening.
Additionally, copper conductor cables manufactured to BS7629-1 have a Low Smoke Zero Halogen (LSZH) insulation and sheathing that meets the standard of BS EN 60754 which specifies that the level of hydrochloric gases emitted during fire may not be greater than 0.5%. Complete cable tests include Smoke emission to BS EN 61034-2 , Flame propagation to BS EN 60332-1-2 , fire resistance to BS EN 50200 and BS 6387, categories C,W,Z.
BS7629-1 cable resistance to fire, mechanical shock and water
This Standard specifies that the cable must have a minimum duration of survival of 30 minutes (PH30). They must resist fire and impact alone for 15 minutes, followed by 15 minutes of fire, impact and water.
BS7629-1 Cable selection
Eland Cables supplies fire performance cables manufactured in accordance with BS7629-1, including the Standard and Enhanced Fire Resistant cable. The Enhanced cable benefits from a mica glass tape offering a further barrier to fire.
Reference should also be made to British Standard BS5266-1 and BS5839-1 when designing and commissioning emergency fire systems.
Reference should also be made to British Standard BS5266-1 and BS5839-1 when designing and commissioning emergency fire systems.
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The Cable Lab®
UKAS-accredited specialist cable testing laboratory
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
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.
QualityOur 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 supportOur 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 SolutionsWe 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.
