Electrical / Electronics
Manual single-phase cable sizing check
Combines load current, manually corrected Iz, voltage drop and overload-condition checks.
Related calculators
Single-phase power
Calculates single-phase active power from voltage, current and power factor.
Single-phase voltage drop
Helper calculation for simplified single-phase voltage drop from resistivity and area; it is not standards-based conductor sizing.
Voltage drop percent
Converts voltage drop to a percentage of nominal voltage.
Wire resistance
Calculates theoretical wire resistance from resistivity, length and cross-sectional area.
Cable ampacity after correction
Multiplies the manually provided base ampacity Iz by a correction factor.
Manual cable overload conditions check
Checks the provided Ib, In, Iz and I2 values without standards-table sizing.