PowerPac 5.5 has been released to incorporate the changes to earth and neutral cable size requirements introduced in AS3000:2007. This update of the PowerPac5 software will allow users to calculate results that are compliant with this new standard and also enable them to open previously entered and saved calculation data that were calculated using the older AS3000:2000 and recalculate the data in accordance with the 2007 revision of the standard