| BS 6387 |
≤ 0.6/1 kV, diameter ≤ 20 mm, including MICC (BS 6207) |
950°C (C/Z), 650°C (W) |
Fire (950°C, 3h), Fire + Water Spray (650°C, 15min + 15min), Fire + Mechanical Shock (950°C, 15min, every 30s) |
Reference standard with comprehensive fire, impact, and spray tests |
| IEC 60331 |
≤ 0.6/1 kV, all diameters |
750-830°C |
Fire (90min+), no impact or spray |
Lower temperature, no mechanical shock or water spray, less stringent |
| EN 50200 |
≤ 20 mm, emergency circuits |
830°C |
Fire + Mechanical Shock (every 5min, up to 120min) |
No water spray, lower impact frequency, lower temperature (830°C) |
| BS 8491 |
> 20 mm, fire safety systems |
850°C |
Fire + Mechanical Shock (every 30s) + Water Jet (120min) |
Larger cables, water jet instead of spray, lower temperature (850°C) |