V.10. BS 7671 Amendment 3 2015
V.20. Fixed share link.
Pro Certs Software Ltd
Calculate to or from Watts, Amps, Volts with this handy power converter SP & TP
Convert and calculate kVA, Amps, Volts, kW and Power Factor Single & Three phase
Calculates main earth, bonding and cpc sizes, includes the Adiabatic Equation.
Pre-amendment 3 version, useful for looking up old Zs values before amendment 3.