Cable Sizing

Select a conductor cross-section meeting current rating and voltage-drop limit.

Inputs

Line voltage V

Design current I_B A

Cable length m

Power factor (cos φ) —

Max voltage drop %

Insulation class

Ambient temperature °

Bunched cables (n) —

Installation

Results

Note — Current ratings are representative values for PVC 3-core cables in conduit at 30 °C (IEC 60364-5-52). Correction factors Cₐ/C_g/C_d follow IEC 60364-5-52; confirm with the applicable national standard and manufacturer data.