Earth Fault Loop Impedance Calculator

Earth Fault Loop Impedance Calculator

This tool helps calculate earth fault loop impedance for electrical installations.

Supply Voltage (V):

Prospective Fault Current (A):

Cable Length (m):

Cable Impedance (Ω/m):

Results

Earth Fault Loop Impedance (Zs): 0 Ω

Maximum Permitted Impedance (for reference): 0 Ω

Note: This calculator provides an estimate only. Always verify with actual measurements and consult relevant standards (e.g., BS 7671).