Fault Loop Impedance Calculator

This fault loop impedance calculator is based on the Standards.

Refer to our article “Understanding Earth Fault Loop Impedance“.

Cable Pro Web software accurately calculates fault loop impedance.

Please enter the parameters below and press Calculate.

Related Resources:

Cable Size Calculator

This calculator determines minimum cable size using the method described by the Standard AS/NZS 3008.1.1 and uses the accurate voltage drop method.

Earth Cable Size Calculator

Earth cable size can be determined using Table 5.1 in AS/NZS 3000 or by calculation.

Cable Pro Web

Cable sizing and maximum demand software in the cloud. No installation, use on any device.

Cable Pro Web

Cable sizing and maximum demand software in the cloud.

As used by: