How To Calculate Cable Sizes ((hot)) [Firefox]

[ I_b \leq I_n \leq I_z ]

[ I_z \geq I_b ]

From IEC table – 2.5 mm² copper carries 24 A. Derating: ( C_t = 0.94 ) (35°C). ( I_z = 24 \times 0.94 = 22.56 A ) – adequate. how to calculate cable sizes

PVC-insulated copper, clipped to wall (method C), ambient 35°C, no grouping, length 40m. [ I_b \leq I_n \leq I_z ] [