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BS7870-3.50

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BS7870-3.50 LV Mains Cables to BS 7870 Part 3.50
Standards
International  EN 60811
National  BS 7870-3.40
Description

Application

For use on 3 phase protective multiple earthed (PME) electrical services. These cables are designed for use in buildings due to their fire performance characteristics. . 

Fire performance

  • Low smoke: BS EN 50268 1 & 2.
  • Halogen free: BS EN 50267-2-1.
  • Low toxicity: BS EN 50267-2-1.

 

Design

1. Conductor

  • Class 1 sector shaped solid aluminium in accordance with BS6360 and IEC 60228.

 

2. Insulation

  • XLPE compound type GP8 to EN60811 / BS7655-1.3

 

3. Bedding

  • Synthetic bedding tape, approx. 0.5mm thick

 

4. Concentric combined neutral/earth conductor

  • Annealed copper wires applied helically around phase conductor.

 

5. Sheath

  • Orange LSHF compound type LTS 1 to BS 7655-6.1 or EN 60811

 Marking

  • All cables(White Print): 0000M Batch No 0000
  • All cables(Embossed):  )(  ELECTRIC CABLE 600/1000V BS7870-3.50 3 x size, year  

 

Core Identification

  • Three cores: Brown - Black - Grey

 

 


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