§ 152.31  SERVICE ENTRANCE EQUIPMENT.
   (A)   For the purpose of this section, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
      SERVICE. Defined by the National Electric Code as “the conductors and equipment for delivering energy from the electricity supply system to the wiring system of the premises served”.
      SERVICE DROP CONDUCTORS. Defined by NEC Article 100 as “the overhead service conductors from the last pole or other aerial support to and including the splices if any, connecting the service entrance conductors at the building or other structure”.
   (B)   The local power supplier, the town’s Municipal Electric Utility, decides where the electrical service will enter the building and where the meter will be located. The main parts of a complete electrical service installation shall include the service drop, service conductors, meter, service switch, grounding and bonding.
   (C)   Service drop conductors are furnished and installed by the power supplier, the town’s Municipal Electric Utility. The customer will furnish the service mast riser, weatherhead, service entrance conduit and supporting equipment.
   (D)   The National Electric Code rules governing the installation of a service drop are as follows.
      (1)   NEC 230-2 and exceptions. In general, buildings or other premises shall be supplied by only one set of service conductors.
      (2)   NEC 230-22 and exceptions. Individual conductors of multiconductor cable, when used as a service drop, shall be insulated or covered with thermoplastic, rubber or other similar material; however, grounded conductor may be bare. Open conductors shall be insulated or covered and have ampacity as per NEC Tables 310-17 and 310-19.
      (3)   NEC 230-24 (a)-Ex. 1. Where voltage between conductors does not exceed 300 and the roof has a slope not less than four inches, 12 inches, clearance may not be less than three feet.
      (4)   NEC 230-24 (a)-Ex. 2. Service drops 300 volts or less may pass over four feet of overhang if a minimum of 18 inches clearance is maintained over the roof and the conductors are terminated in a through-the-roof raceway or approved support.
      (5)   NEC 230-24 and 230-26. Porcelain insulators for the service drop conductors shall be at least ten feet above finish grade.
      (6)   NEC 230-28. The service mast shall have adequate strength or be supported by braces or guys.
      (7)   NEC 230-28. All raceway fittings shall be approved for the purpose.
      (8)   NEC 230-43. Service-entrance conductors may be installed as open wiring on insulators; a rigid metal conduit; electrical metallic tubing; service-entrance cables; wireways; busways; auxiliary gutters; a rigid non-metallic conduit; cablebus; or mineral-insulated metal-sheathed cable.
      (9)   NEC 300-18(a).  Raceways are to be installed as a complete system before wires are drawn in.
      (10)   NEC 230-26. In no case shall the point of attachment to the service drop be less than ten feet above the finished grade.
(Prior Code, § 152.21)