Design Current and Current Carrying Capacity Calculations
Design Current and Calculation of the Minimum Required Value of the Cable's Current Carrying Capacity
For ring socket circuit with Ιn = 30Α or 32Α
Grouped circuits not liable to
General motor circuits
Star-Delta Motor Circuits
Busbar Trunking System notes: With protection using a gG (gI) fuse an additional correction factor, equal to 1.1, is used. Note that using gI fuses for protection means reducing the busbar trunking’s allowable current.