I am offeing you my help ive advised to get a pro in its as James said a expander issue and out your remit system needs someone who knows what they are doing
Being honest approaching a approved company to put this right may br the best option putting money aside his property and possesions are better protected if its correctly repaired, do the right thing
Heres some pics of a cable i screwed through only nicking the live feed, causing me to get a shock when i came into contact with earth on spur feed whilst touching panel on premier 48