Enter the current and voltage drop to calculate the wire size.
Enter the total voltage and resistance to calculate the short circuit current.
Add up the power ratings of all devices to calculate the total load.
Enter the impedance and maximum possible current to calculate the fault level.
Enter the fault current, disconnection time, and material properties to calculate the earthing conductor size.
Enter the type of insulation, ambient temperature, and installation conditions to calculate the cable rating.
Enter the total area, required illumination level, and luminous efficacy to calculate the lighting design.
Convert between different units of electrical measurement.
Enter the motor's power rating, efficiency, power factor, and supply voltage to calculate the motor starting.
Enter the length of the wire, the resistance of the wire, and the current to calculate the voltage drop.