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A simple cable sizing application. Using the British Standard (BS7671) Requirements for Electrical Installations, this application is built using the tables in Appendix 4 of the "regs".It saves a lot of time in looking up your requirements for the cable you need.Now including voltage drop values from the tables, and subsequent volt-drop per cable length calculator.This app should serve only as a guide. Make sure you look up BS 7671 for more specific requirements.Always consult a qualified electrician when undertaking any electrical work.