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09/23/2008 Ordinances 9194ORDINANCE NO. 9194 An ordinance to amend Chapter 15 of the Grand Island City Code; to amend Sections 15-2; 15-3; 15-6; 15-7; and 15-11 pertaining to electricity; to repeal Sections 15-2; 15- 3; 15-6; 15-7; and 15-11 as now existing, and any ordinance or parts of ordinances in conflict herewith; and to provide for publication and the effective date of this ordinance. BE IT ORDAINED BY THE MAYOR AND COUNCII. OF THE CITY OF GRAND ISLAND, NEBRASKA: SECTION 1. Sections 15-2; 15-3; 15-6; 15-7; and 15-11 of the Grand Island City Code are hereby amended to read as follows: §15-2. National Electrical Code Adopted (A) There is hereby adopted by the City of Grand Island for the purpose of safeguarding persons and buildings from hazards arising from the use of electricity for light, heat, power, radio, signaling, and other purposes, that certain code known as the National Electrical Code, 2008 Edition, recommended by the National Fire Protection Association, except as modified by this section. (B) The National Electrical Code adopted by subsection (A) above is modified by deleting ,Article 362, , Article 210-52C Subsection 2 and 3, which are not adopted and shall have no force or effect. Articles 320, 330, 334, 348, and 352 are amended by § 15-3 of the Grand Island City Code. (C) One copy of the National Electrical Code, 2008 Edition, shall be on file in the city clerk's office for public use and inspection as provided by law. Amended by Ordinance No. 8990, effective 8-10-2005 §15-3. Amendments to National Electrical Code, 2008 Edition The following sections are adopted as amendments to the same numbered sections of the National Electrical Code, 2008Edition: Article 320 -Armored cable (type AC) 320.10. Uses permitted. Armored cable may be used for indoor branch circuits when installed with a grounding conductor in the cable with the branch circuit conductors and sized to the overcurrent protective devise. Anti short bushings shall be used. 320.12. Uses not permitted. Armored cable shall not be used in hazardous locations, where buried or in direct contact with the earth, concrete, cinder fill or where exposed to chemicals or acids. Article 330 -Metal-Clad Cable (Type MC) 330.10. Uses Permitted. Metal-clad cable may be used for indoor branch circuit use only when installed with a grounding conductor in the cable with the circuit conductors and sized to the overcurrent protective devise. Anti short bushing shall be used.. 330.12. Uses Not Permitted. Metal-clad cable shall not be used in hazardous locations where subject to physical damage, buried in direct contact with the earth, concrete, cinder fill, or where exposed to chemicals or acids. Article 334 -Nonmetallic-Sheathed Cable (Types NM, NMC, and NMS) 334.12. Uses Not Permitted. In any multifamily dwelling or structure exceeding three floors above grade. For the purpose of this article, the floor of a building shall be that floor that has fifty percent (50°Io) or more of the exterior wall surface area level with or above finished grade. One additional level that is the first level and not designed for human habitation and only for vehicle parking, storage or similar use shall be permitted. Approved as to Form~+ i Y September 23, 2008 ^ City Attorney ORDINANCE N0.9194 (Cont.) Article 352 -Rigid Nonmetallic Conduit (PVC) 352.10. Uses Permitted (A) Where encased in concrete (B) Underground installations (C) For service entrances on the outside of buildings where not subject to physical damage (D) For raceways to feed subpanels (E) In wet locations where used with proper connections and fittings (F) For physical protection of ground wires 352.12. Uses Not Permitted (A) In hazazdous (classified) locations (except as provided in National Electrical Code Sections 503.3, 504.20, 514.8) (B) For support of fixtures or other equipment (C) Where subject to physical damage (D) Where subject to ambient temperatures exceeding those for which the conduit is approved (E) In alleys or utility easements, the first section of conduit out of the ground (F) For branch circuits Article 348 -Flexible Metal Conduit 348.10. Uses Perntted. Flexible metal conduit may be used for fish work in old buildings or other places where rigid conduit is impractical to install. Special permission shall be obtained from the electrical inspector before it is used in any installations. Amended by Ordinance No. 8990, effective 8-10-2005 §15-6. Service Entrances (A) Each service entrance with 2,000 amperes capacity or less shall be provided with a readily accessible main disconnecting device with appropriate overcurrent protection; provided, each service entrance larger than 2,000 amperes capacity shall comply with the provisions of the National Electric Code. The device shall disconnect all ungrounded conductors from the source of supply in one motion or operation of the hand. For overhead services, said overcutrent protection shall be installed within twenty-five (25) feet from the weatherhead, but within ten (10) feet from where the conductors enter the building. For underground services, said overcurrent protection shall be installed within ten (10) feet from where the conductors enter the building. No service entrance conductors shall be installed within the hollow spaces of a frame wall unless provided with overcutrent protection at their outer end. Attachment devices or insulators for the service drop shall be installed by the electrical contractor on the alley or easement side of the building in such a manner so that the clearances as required by this Code can be maintained by the utility company. (B) Manufactured Homes. Pedestals shall be required for power to manufactured homes on private lots, unless (1) the manufactured home comes with the service equipment factory installed or (2) the manufactured home is secured to a permanent foundation that complies with applicable building codes. This pedestal shall have proper overcurrent protection and provisions for metering. . (C) Provisions for Metering. Provisions for metering shall be in accordance with standazds set out by the Grand Island Utilities Department. (D) Electrical Service Panels for Dwellings. The minimum size of electrical panel that can be installed in a dwelling shall be 20 circuit for 100 amp, 30 circuit fora 150 amp, and 40 circuit fora 200 amp. (E) Number of Services. One electrical service shall be provided for each tract or pazcel of land, except upon written request and approval by the Utilities Director and Building Department Director, and/or their respective designee. (F) Multiple Occupancy Building. Each tenant shall have access to their disconnecting means and overcurrent protection. This disconnecting means and overcurrent protection shall not be guarded by locked doors. Exceptions: (1) The disconnecting means and overcurrent protection are located in the tenant space. (2) All electrical equipment is located in a common area with access to all tenants. (3) Electrical equipment is located outside. Amended by Ordinance No. 8990, effective 8-10-2005 §15-7. Wiring In Commercial Buildings (A) Metallic conduit wiring will be required for the installation of all wiring for lights, heat, air conditioning, or power in all commercial buildings. These include, but are not limited to, asylums, hospitals, hotels, ORDINANCE NO. 9194 (Cont.) motels, theaters, schools, factories, churches, warehouses, mills, grain elevators, food stores, office buildings, retail sales, stables, garages, meeting halls, buildings of fireproof or mill construction. (B) All dwelling units located within any commercial type building shall have electrical wiring installed in electrical metallic conduit. (C) For uses of metal-clad cable (MC), refer to §15-3. For uses of rigid nonmetallic conduit (PVC), refer to § 15-3. (D) wiring above suspended ceilings - al] permanent raceways, boxes, cabinets, and fittings shall be securely fastened to the building structure. Amended by Ordinance No. 8990, effective 8-10-2005 (A) §15-11. Requirements for Electrical Installations Aluminum Conductors -aluminum conductors may be used for service entrance and feeders only. (B) Equipment grounding conductors - an equipment grounding conductor will be required in all conduit systems except for rigid metal conduit systems with threaded hubs, couplings or fittings. SECTION 2. Sections 15-2; 15-3; 15-6; 15-7; and 15-11 as existing prior to this amendment, and any ordinances or parts of ordinances in conflict herewith be, and hereby are, repealed. SECTION 3. The validity of any section, subsection, sentence, clause, or phrase of this ordinance shall not affect the validity or enforceability of any other section, subsection, sentence, clause, or phrase thereof. SECTION 4. That this ordinance shall be in force and take effect from and after its passage and publication, on November 1, 2008. Enacted: September 23, 2008. Margar Hornady, Mayor l 1 Attest: RaNae Edwards, City Clerk pF ~~~NQ fs U ; •,a~pRPORArF 'q 2a ° , - '~~a® ~+~ ' i ~FBRR~~P