The current rating mentioned in above tables based on ambient temperature 30°C in accordance with IET Wiring regulations for Electrical Installations, BS 7671.
Rating Factor for Variation in Ambient Air Temperature
Rating Factor for one circuit or one multicore cable or for group of circuits or a group of multicore cables
Minimum Bending Radius:
| Single Core |
Multi Core Cable |
| Armoured -8 x OD |
Armoured -8 x OD |
| Un Armoured -6 x OD |
Un Armoured -6 x OD |
| Where 'OD' is overall diameter of cable |
Where 'OD' is overall diameter of cable |