Instrumentation cables manufactured in accordance with British Standard BS5308
Whilst this British Standard was superseded by the Harmonised Standard BS EN 50288-7 in 2005 it is still widely referred to because the Harmonised Standard does not account for the higher voltage ratings and cable dimensions. A publicly available version of the Standard was published as PAS5308 in 2009.
British Standard BS5308 covers specifications for a range of instrumentation cables which we supply. These are available in a multitude of variants including Polyethylene (PE), Polyvinyl Chloride (PVC), Cross-Linked Polyethylene (XLPE), and Low Smoke Zero Halogen (LSZH) insulation materials, and armoured instrumentation cables.
BS5308 Part 1 Type 1 - Unarmoured - collectively screened (CAM) and individually & collectively screened (IAM/CAM or ICAT). PE insulated and PVC oversheathed.
BS5308 Part 1 Type 2 - Armoured - collectively screened and also individually & collectively screened. PE insulated, PE bedded, single wire armoured (SWA) and PVC oversheathed.
BS5308 Part 1 Type 3 - Armoured - collectively screened or individually & collectively screened. PE insulated, PVC bedded, lead alloy oversheath, single wire armoured and PVC oversheathed.
BS5308 Part 2 - PVC insulated instrumentation cables - British Standard BS5308 Part 2 specifies requirements for PVC insulated cables, in multicore and multi-pair construction, with or without screens. It provides the option to incorporate a single wire armour. Part 2 is further categorised as Types 1 & 2.
BS5308 Part 2 Type 1 - Unarmoured construction - PVC insulated and PVC oversheathed.
BS5308 Part 2 Type 2 - Armoured construction - PVC insulated, PVC bedded, single wire armoured and PVC oversheathed.
Construction comparison of BS5308, PAS5308 and BS EN 50288-7
|Conductor||Plain annealed copper, solid or stranded (BS6360)||Plain annealed copper, stranded (BS6360)||Plain annealed copper, multi-stranded (BS EN 60228)||Plain annealed copper, multi-stranded (BS EN 60228)||Plain annealed or metal-coated, solid or stranded (IEC 60288)|
|Conductor size||0.5mm2 to 1.5mm2||0.5mm2 to 1.5mm2||0.5mm2 to 2.5mm2||0.5mm2 to 2.5mm2||0.5mm2 to 4.0mm2|
|Voltage range||300/500V||300/500V||300/500V||300/500V||90V, 300V, 500V|
|Insulation||PE Type 03||Polyvinyl Chloride (PVC) Type TI1||Thermoplastic PE or Cross-linked Polyethylene (XLPE)||PVC Type TI51||PVC, PE, XLPE, Polypropylene or Halogen-free flame retardant compound|
|Formation||Core pair twisted quad||Core pair twisted quad||Core pair twisted quad||Core pair twisted quad||Twisted core pair, triple or quad|
|Individual and/or Screen||Aluminium foil laminate tape (PET)||Al/PET||Al/PET||Al/PET||Al/PET|
|Drain Wire||Solid or stranded tinned annealed copper||Solid or stranded tinned annealed copper||Solid or stranded tinned annealed copper||Solid or stranded tinned annealed copper||Solid tinned copper|
|Braid||Not defined||Not defined||Not defined||Not defined||Tinned copper wires|
|Covering||Not defined||Not defined||Not defined||Not defined||Lead sheath to EN 50307|
|Inner Sheath||Extruded PE compound Type 2C or Extruded Polyvinyl Chloride (PVC) Type TM1||Extruded PVC Type TM1||Extruded PE compound Type 2 or Extruded PVC Type TM51||Extruded PVC Type TM51||PVC, PE or Low Smoke Zero Halogen (LSZH) compound|
|Armour||Galvanised steel wire armour (GSWA)||GSWA||GSWA||GSWA||Steel wire armour (SWA)|
|Moisture barrier||Not defined||Not defined||Not defined||Not defined||Water-swellable tape, water-swellable non-toxic powder, filling compound, laminated sheath of a longitudinally overlapped metallic foil, or a combination of all|
|Outer sheath||Extruded Polyvinyl Chloride (PVC) Type TM1||Extruded PVC Type TM1 (type 1 & 2)||Extruded PVC Type TM51||Extruded PVC Type TM51||PVC, PE or Low Smoke Zero Halogen (LSZH) compound|
BS5308 cable colour coding
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