Thread: A changing of House Electrical Service Location

The house was old, 1800's.

The owner was 85 year old man.

The buyer was younger and wanted the house inspected.

Everything was fine, until the inspection turn the electrical sytem

The house had an electrical service that consisted, of a very old murray
brand panel complete one 100 amp. double pole main circuit breaker.

The service cable consisted of two hot conductors and one neutral con-
ductor that was wrap around the two hot conductors.

The panel was grounded at the neutral bus bar.

The service entrance cable along with the grounding electrode conductor
wire, left the service, and travel some 25 Ft. before exiting the building.

The service entrance cable than attach to the load side of the house
single socket, meter enclosure. A single hour meter was plug into the
meter socket.

The grounded electrode conductor after exiting the house than dis-
appear into the earth. The wire was tight when pull on.

Back at the service both the grounds and grounded wire were attach to
the neutral/ground bar.

All was fine until a big storm came along. To be continue after I figure
what wrong if anything with this service.

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and your question is .....................

Ken, can the service with circuit breaker panel stay in existing location, but just add a seperate 2-pole. 100 amp. circuit breaker, installed inside a rain tight circuit breaker, adjacent to the existing meter socket.

This is to add extra protection to the Service Entrance Cable with travel
thru interior wall unprotected, some 25 Ft.

If you add an overcurrent device between the meter and the existing main service panel, you change that panel from a service panel to a sub-panel.
Then you need to change the wiring into that panel
You will need to have 2 hot conductors,an insulated neutral conductor, and a ground conductor coming into the panel.
Then you will need to seperate the grounds and neutrals in the panel.