Name: Cable Size Calculator
Author: Eleczia

Cable Size Calculator

Load Current (A):

Length of Cable (m):

Allowable Voltage Drop (%):

System Voltage (V):

Conductor Material:

Current Type:

Required Cable Cross-Sectional Area: -- mm²

Approx. Selected Cable Size: -- AWG/mm²

Formula

Single Phase:

A = (2 × ρ × L × I) / ΔV

Where:
- A = Cross-sectional area of cable (mm²)
- ρ = Resistivity of conductor (Ω·mm²/m)
- L = Cable length (m)
- I = Current (A)
- ΔV = Allowable Voltage Drop (V = % × system voltage)

Cable Size Calculator

Formula

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