Yeah...the stuff shuld be connected after d meter.d output will then b connected to d houz, how it work is dis, it wil sample and analyze the incomin voltage and current,if they are very high and destructive to appliances it wil cut d supply to d buildin until d power supply is safe ,then it pass power into d buildin.and if thers a short circuit in the buildin it will trip off automaticaly[img][/img] U can contact me with the following....08061387044,07012372060/soloimreal@yahoo.com .u can get that product at Agege in lagos, u can also get in makurdi-Benue state..the device is called POWEREG..