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  1. On a 100 Amp meter loop, 1 1/4 inch minimum galvanized conduit must extend from the meter base to the service panel or main disconnect, whether fused or breaker type.
  2. On a 200 Amp meter loop, the minimum sized conduit is 2 inch. This is recommended for an all-electric home.
  3. Grayson-Collin Electric Cooperative (GCEC) no longer allows meter loops to be installed on cooperative owned poles.
  4. For the recommended method for low roof ranch type houses, where gables do not exist, or when gables are not high enough for the attachment of service wire with proper clearance, refer to the Permanent Installation on Low Roof House specification listed in the Permanent Installations.
  5. For homes with adequate height, please mount the meter loop riser under the gables of the house.
  6. For overhead service installations, the point of attachment for the service must be of sufficient height to maintain a 12 foot minimum clearance to the ground, an 18 foot minimum clearance over a residential driveway and a 22 foot minimum clearance over a public roadway. Review Service Drop Standards for additional guidance.
  7. A meter ground wire, of at least #6 copper (unprotected), is connected from the ground rod into the meter base. A separate member grounding electrode, 1 size smaller than the current carrying conductor in the meter base, is connected from the ground rod into the service panel.
  8. Wire sizes in the meter loop must meet all National Electric Code requirements, and be equal to the fuse or circuit breaker capacity from the meter base to the main or service panel. Following is a list of minimum wire sizes for rated meter socket amperages:
    • 100 Amp – #4 CU minimum
    • 200 Amp – 2/0 CU minimum
    • 320 Amp – 3/0 CU minimum
  9. City, County, and/or State ordinances may alter requirements for service installations. Please contact the appropriate officials to ensure that the GCEC’s minimum requirements are adequate. For example, Collin County requires that all new installations, and some reconnecting locations, be permitted by either the county or city, depending on the jurisdiction. No electric utility, including GCEC, can connect a new service, and some disconnected services, without the service having been inspected and released by the Collin County Fire Marshall’s office, or the entity in which the Collin County Fire Marshall delegates this authority.
  10. If the service location requires special metering and/or oversized metering equipment, the member is responsible for all costs of said equipment. Estimates for the costs of these needs and handled on a case by case basis. Contact GCEC to set an appointment to discuss these needs with one of our field technicians.