Incoming Electrical Service Diagram. Remove board from wall. Elementary diagram connections wire numbering.
The position of your electric meter. Generally electric supply and service providers install a single phase energy meter when load is less than 75kw 10hp in domestic areas consumer unit for home. Secure the romex connector.
Electricity enters premises 1 via the service cable which branches off from the mains which usually run underneath the road or pavement outside.
Main fuse this is a key safety feature as it isolates the electricity supply to your building. Then a looped service cable runs from the meter in premises 1 to the meter in premises 2. From the receptacle the cable feeds a switch. Temporary services are usually 120240 volts singlephase 200 amperes.