Cable sizing wizard
Disclaimer.
Recommended cable sizes are based upon the data and protocols within BS7671 (2008), Requirements for Electrical Installations (IEE Wiring Regulations - 17th Edition). AEI accept no liability whatsoever for any use made of the proposed cable size. The recommendations are offered in good faith and are based upon the information supplied by the user and on the premise that one load is fed from a supply having a zero source impedance. It remains the responsibility of the user to verify that all input data and assumptions are valid and to independently confirm that the results are suitable for their intended purpose.
