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Rust inside of old four gang electric meter base

4 Gang Electrical Meter Socket

Dear Mr. Electrician: How does a 4 gang electrical meter socket box get replaced? Answer:  Replacing a 4 gang electrical meter socket is a multi-step process involving homeowners, property managers, the local power utility company, and the town building department.  NOTE: Some text links below go to applicable products on Amazon and EBay. In the photo above, the bottom of the main cover has holes from rust. LABOR TO REPLACE A 4 GANG ELECTRICAL METER SOCKET I installed a Siemens 5 gang electrical meter socket to replace the rusted four gang, single phase, electric meter socket on a residential condominium building.  The electrical service was 120/240 volts, with a four hundred amp underground feeder.  The new 4 gang electrical meter sockets are a vertical stack and would not line up with the existing feed cables so I used a five gang electrical meter socket instead. For the entire job I figured about 40 man hours of labor which included driving two new ground rods with a new grounding electrode conductor and intersystem bonding termination, permit application, electrical inspection, call for a property markdown, arrangements with the power company to have meter locks removed ahead of time and to disconnect power when needed, pre-cutting and painting of the new meter base back board, advance notification to all of the dwelling unit occupants about the power outage due to work being done, labeling of existing tenant load wires, removal and disposal of the old multi-gang meter socket, and installation of the new 5-gang electrical meter socket.   Amazon Sells Multi-Socket Electric Meter Bases When I submit my permit application I include a short one page typed "Scope of Work" statement briefly explaining what work will be done.  This gives the electrical inspector a better idea before hand of what is going on.  If something is not right it is better to find out before work commences. The actual time spent just removing the old 4 gang electrical meter socket and installing the new Siemens 5 gang meter socket base was approximately 3 hours using three experienced electricians. The above circuits were live and in use at the time of this photograph. The tenant load wires which provided power to the condos were in good working condition. The original installer used a 2" squeeze connector installed backwards without a clamp to protect the wires from the sharp metal edge of the knockout.  In the new installation I used 1 1/4" chase nipples with locknuts and plastic bushings for each tenant load cable.  The 1 1/4" holes were made using a knockout punch as the factory installed concentric knockouts did not align with the existing wires. The culprit that causes the rust and the aging meter socket to pull away from the building is water.  I have found on a few of these meter bases that the top hub cover was not installed properly and was not caulked.  This allowed water to leak in.  Some other meter bases were only mounted to the side of the building using drywall screws which rusted from moisture in the...