i am replacing a consumer in leeds and noticed a strange connection i havent seen before,i have a live and neutral but no earth supplied,tt system with a earth spike in cellar,BUT the house has been empty for a while and the earth has been cut to board.the remaining earth runs from spike to a connector to a dc transformer plugged in with do not switch off marked all over it!!!!!!!!!!!!!! one freind suggested a electronic damp proof course????????????????? i am puzzled as to what it is and know if my Ze readings are acceptable it will be safe but WHAT is it?????? any ideas would be gratefully recieved