Superlec - Cable Calculator


Voltage 110v / 230v(default) / 415v


Set Load to 4x rated power/current for motor applications

Allowable Voltage Drop %

Cable Length metres

Required Cable Size mm2

Voltage Drop volts.

Percentage Drop %.

Load = amps.

Caution - for Guidance ONLY

No guarantee as to the accuracy of these values is given.
All final cable sizes need checking by a full qualified electrician.