We will be rewiring our house,after being prompted by a visit from a relative from Britian,also an EC,who was horrified when he saw that state of our old house's widowmaker panel,open knife switches,fused neutrals,rubber wiring patched up here and there,no grounds on any light cct,bootleg grounds on outlets,no MBJ,dead rats lying underneath the panel,etc,well my girl wants to install GFCIs and AFCI combos on all ccts,called RCD and AFDD in euro babble,familiar with GFCIs,any help regarding arc faults would be much appreciated.