Fire Survival Cable
Mica-glass wrapped cable that maintains circuit integrity throughout a fire event.
BS 6387 CWZIEC 60331LSZH
Voltage650/1100 V
TemperatureMaintains circuit integrity at 750–950°C for rated duration
StandardBS 6387 (CWZ)
Technical Specifications
| Construction | |
| Conductor | Stranded copper, mica-glass tape wrapped |
| Conductor size range | 1.5 – 300 sq.mm |
| Number of cores/pairs | 1 – 4 core |
| Insulation | Mica glass tape + XLPE / LSZH |
| Inner sheath | Extruded LSZH bedding |
| Shielding/screen | Cu tape / braid (optional) |
| Armour | GI wire / strip (optional) |
| Outer sheath | LSZH |
| Ratings & Standards | |
| Voltage grade | 650/1100 V |
| Temperature rating | Maintains circuit integrity at 750–950°C for rated duration |
| Applicable standards | BS 6387 (CWZ), IEC 60331 |
| Special properties | Fire survival / circuit integrity, low smoke zero halogen |
Applications
Fire pump & sprinkler system feeds
Emergency lighting circuits
Smoke extraction system power
Life-safety system wiring in high-rises
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