Chapter 6 BUILDINGS AND BUILDING REGULATIONS*


Section 6-32 Amendments.

The code adopted by this article is hereby amended by substituting the following sections or portions of sections for those sections or portions of sections with corresponding numbers in the 2006 Edition of the International Code Council Electrical  Administrative Provisions or where there is no corresponding section in the 2006 Edition of the International Code Council Electrical Administrative Provisions, the following sections shall be enacted as additions to the 2006 Edition of the International Code Council Electrical Administrative Provisions.

101.1 Title:  This ordinance shall be known as the Electrical Code of the City of Columbia, Missouri and will be referred to as “this code.”

101.4 Conductors:  Conductors normally used to carry current shall be of copper unless otherwise provided in this code.  Where the conductor material is not specified, the material and the sizes given in this code shall apply to copper conductors.  Where other materials are used, the size shall be changed accordingly.  Aluminum and copper-clad aluminum will be approved as outside feeders of 100 amperes or larger and must terminate nearest the point of entrance of the feeder; or as designed and recommended by a registered professional engineer or registered architect.

(FPN): For aluminum and copper-clad aluminum conductors, see Section 250.120 (B), 310-14.

301.1  Administration and enforcement:  The administration and enforcement of this code shall be the duty of the director of public works who shall be referred to as the code official in this code.  The code official is authorized to take such action as may be reasonably necessary to enforce the provisions of this code.  Such persons may be appointed and authorized as assistants or representatives of the director, as may be necessary, to carry out the provisions of this code.

301.2 Emergency power:  In case of an emergency, the director is hereby empowered to cause the discontinuance of electrical service to any electrical wiring, devices, appliances and equipment found to be immediately dangerous to life or property until such wiring, devices, appliances and equipment have been made safe in accordance with the minimum requirements of this code.

301.3  Restriction of employees:  An employee connected with the division of building and site development   shall not be engaged in or directly or indirectly connected with the furnishing of labor, materials or appliances for the construction, alteration or maintenance of a building, or the preparation of plans or of specifications therefore, unless he is the owner of the building; nor shall such employee engage in any work which conflicts with his official duties or with the interest of the department.

302.9 Relief from personal responsibility:  The code official, officer or employee charged with the enforcement of this code, while acting for the jurisdiction, shall not thereby render himself liable personally, and is hereby relieved from all personal liability for any damage accruing to persons or property as a result of any act required or permitted in the discharge of official duties. Any suit instituted against any officer or employee because of an act performed by that officer or employee in the lawful discharge of duties and under the provisions of this code shall be defended by the legal representative of the jurisdiction until the final termination of the proceedings.  The code official or any subordinate shall not be liable for costs in any action, suit or proceeding that is instituted in pursuance of the provisions of this code; and any officer of the building and site development division acting in good faith and without malice, shall be free from liability for acts performed under any of its provisions or by reason of any act or omission in the performance of official duties in connection therewith.

SECTION 304   BOARD OF ELECTRICAL EXAMINERS

304.1    Board of electrical examiners:  A board of electrical examiners consisting of six (6) persons is hereby created. One (1) member shall be the director of public works or the director’s designee, who shall be a non-voting ex-officio secretary to the board; the remaining five (5) members shall be appointed by the city council. One (1) member shall be a registered professional engineer, one (1) member shall be a licensed electrical contractor, one (1) member shall be a licensed electrician, and two (2) members shall be laymen. The first two (2) persons appointed to the board shall serve for three (3) years, the second two (2) persons shall serve for two (2) years, and the last person shall serve for one year. Thereafter, each member of the board shall serve for three (3) years and until a replacement is appointed and qualified. The first meeting of the calendar year, the board shall select one of its members to serve as chair and the code official shall designate a clerk from the department to serve as secretary to the board, who shall keep a detailed record of all proceedings on file in the building and site development division.  The board of electrical examiners shall be empowered to select examinations, and authorize testing for electricians' licenses and certificates, to approve or disapprove applications for electricians' licenses and certificates.  The board shall meet upon the call of the chair, or upon the call of a majority of its membership, however, it shall meet within at least thirty (30) days after filing of an application for examination as an electrician for the purpose of examining such applicant or applicants. The chair of the board is authorized to excuse any member from attendance at a board meeting; provided, that the member requested to be excused before the meeting. Any member who is absent, without being excused, from twenty-five (25) percent of the regular board meetings held in a calendar year shall automatically forfeit the office. It shall be the duty of the chair to promptly notify the council of the vacancy. Applicants scheduled for examination shall be notified of the date, time and place of examination at least three (3) days prior to the date of examination.  A fee of fifty dollars ($50.00) must be submitted with the application. The fee shall be refunded to the applicant if the applicant appears at the board meeting at which the examination is scheduled.

304.2   Certificate of competency:  It shall be unlawful for any person to engage in the installation, alteration or repair of electrical wiring, equipment, apparatus or fixtures for light, heat or power purposes; installation or additions to sound, audio visual or communication equipment in or on any building, structure, or premises within the corporate limits of the City of Columbia, Missouri, unless issued a certificate of competency by the board of electrical examiners, except as provided by Section 401.4 Exception 2.  This shall not be construed to cover cases where the connected electrical load is not increased or where no new electrical wiring is required.

304.3   Types of certificates:  The board of electrical examiners is herein empowered to provide for the following types of certificates:

    1.    Electrical Contractor or Master Certificate (Type A)
    2.    Electrical Sign Contractor Certificate (Type B)
    3.    Journeyman Certificate, 8,000-Hrs (Type C-8 General)
    4.    Journeyman Certificate, 6,000-Hrs (Type C-6 General)
    5.    Sign Wireman Certificate (Type D)
    6.    Security-Fire Alarm Certificate (Type F)
    7.    Communication and Sound Certificate (Type G)
    8.    Maintenance Electrician Certificate (Type H)
    9.    Apprentice Electrician Certificate (Type E)

304.3.1   Requirements:  Certificates will be issued to applicants who meet the following requirements:

Apprentice (Type E)  Submit application stating name, address and telephone number and employer's signature.  No fee required.

Journeyman (Type C-8)  
1.    Submit application to director of public works stating name, address, telephone number and type of certificate requested.
2.    Prove 8,000 hours active employment as an apprentice electrician. Time in an appropriate electrical apprenticeship program or trade schools may be considered for credit toward 8,000 hours requirement.
3.    List names, address and telephone number of all previous employers under which applicant worked as an apprentice electrician.
4.    Successfully complete examination required by the board of electrical examiners.

Journeyman (Type C-6)  
1.    Submit application to director of public works stating name, address, telephone number and type of certificate requested.
2.    Prove 6,000 hours active employment as an apprentice electrician. Time in an appropriate electrical apprenticeship program or trade schools may be considered for credit toward 6,000 hours requirement.
3.    List names, address and telephone number of all previous employers under which applicant worked as an apprentice electrician.
4.    Successfully complete examination required by the board of electrical examiners.   

Contractor or Master (Type A)
1.    Submit application to director of public works stating name, address, telephone number and type of certificate requested.
2.    Prove 4,000 hours active employment as journeyman electrician C-8, 6,000 hours as journeyman electrician C-6 or be registered with the State of Missouri as a professional engineer or architect and be actively engaged in the business of electrical contracting.
3.    List names, address and telephone number of all previous employers under which applicant worked as an apprentice or journeyman electrician.
4.    Successfully complete examination required by the board of electrical examiners.

General            Security-Fire Alarm (Type F)
    Submit application to director of public works stating name, address, telephone number and type of certificate requested, along with a certificate or statement to install manufacture system.
    
Communication and Sound (Type G)
    Submit application to director of public works stating name, address, telephone number and type of certificate requested, along with a certificate or statement to install manufacture system.

(Type B, D, and H)
1.    Submit application to director of public works stating name, address, telephone number and type of certificate requested.
2.    List name, address and telephone number of all previous employers under which applicant worked in a capacity similar to that covered by the requested certificate.
3.    Successfully complete examination required by the board of electrical examiners.

304.4.   Application for certificate:  The board of electrical examiners shall approve or disapprove the issuance of a certificate upon (1) the filing of the proper application, (2) completion of examination when required, (3) payment of the required fee.  This section shall not apply to apprentice electricians.

304.5  Type of examination required:  The type of examination required will be determined by the board of electrical examiners and will be selected from the standard examination list as prepared and published by Thomson Prometric,  1260 Energy Lane, St. Paul, MN 55108, or the ICC National Standardized Examinations Program, www.iccsafe.org/contractor (1-877-STD-Exam).

304.6  Reciprocity:  The board of electrical examiners will honor licenses issued from other jurisdictional areas provided the applicant meets the minimum experience requirements of the City of Columbia, Missouri, and provides certification of having satisfactorily completed the Thomson Prometric or ICC examination applicable for the type of license requested.

304.7   Work authorized by type of certificate:  The scope of work authorized by each type of certificate shall be as follows:

1.    The Electrical Contractor or Masters Certificate (Type A) shall authorize the grantee to engage in the business of contracting for the installation, repair, altering, and making additions to electrical wiring, heating devices, lights, motors, fixtures, conduits, generators, appliances and appurtenances and to supervise construction or installation of same.

2.    An Electrical Sign Contractor Certificate (Type B) shall authorize the grantee to engage in the business of contracting for the fabrication, installation, repair, alteration or making additions to electrical signs, and to make the electrical connections thereto within five (5) feet of the work authorized to be installed.  Any electrical sign contractor personally performing electrical sign work shall be a certificated sign wireman.

3.    An Electrical Journeyman, Type C-8 shall authorize the grantee to perform electrical work under persons or firms holding contractor license (Type A).

4.    An Electrical Journeyman, Type C-6 shall authorize the grantee to perform electrical work under persons or firms holding contractor license (Type A).

5.    A Sign Wireman Certificate (Type D) shall authorize the grantee to perform electrical work on any electrical sign and to make connections to or disconnections from the power source within five (5) feet of an electrical sign.

6.    Security-Fire Alarm Certificate (Type F) shall authorize the grantee to engage in the business of contracting and to install, repair and make alterations on burglar and fire alarm equipment and to make electrical connections thereto within five (5) feet of the equipment authorized to be installed.

7.    Communication and Sound Certificate (Type G) shall authorize the grantee to engage in the business of contracting and to install, repair and make alterations on communication and sound equipment and to make electrical connections thereto within five (5) feet of the equipment authorized to be installed.

8.    A Maintenance Certificate (Type H) shall authorize the grantee to perform electrical routine maintenance only, on equipment applicable to his trade and for a specified employer.  In addition, with 6,000 hours the grantee shall be authorized to take the journeyman electric exam.

9.    An Apprentice Electrical Certificate (Type E) shall authorize the grantee to perform electrical work only when under the immediate supervision of an electrician holding a Type C, D, G or H Certificate.  The ratio shall not exceed three apprentices to one master or journeyman electrician.

304.9   Insurance requirements:  It shall be unlawful for any person holding a Type A, B, F or G Certificate to engage in work authorized by such certificate in the corporate limits of the city without first having filed with the city business license administrator a certificate of comprehensive liability insurance with a minimum of $100,000 per claim bodily injury, $100,000 per claim property damage with $300,000 aggregate per occurrence.  Such insurance shall insure the proper construction, erection, and maintenance of the electrical work in accordance with the provisions of this code and shall insure the city from any and all claims or demands for damages by reason of any negligence of the electrical contractor or his agents, or by reason of defects in the construction, or damages resulting from any part thereof.  The city requires a thirty (30) day cancellation notice from the insurance company.

304.10   Work allowed under license:  No person who has obtained an Electrical Contractor's Certificate (Type A) shall allow his name to be used by another person for the purpose of obtaining permits, or for doing business or work under his license.  Every person licensed shall notify the board of the address of his place of business, if any, and the name under which such business is carried on, and shall give immediate notice to the board of any change in either.

304.11   Re-examination:  Any person, who fails to pass the examination, as prescribed by the board, may apply for re-examination.

304.12   License Fees:  Electrical contractors with Type A, B, F or G Certificate shall pay annual business license fees to the city in an amount to be determined under the provisions of chapter 13 of the Code of Ordinances.

304.13 Certificate Issuance:  All applicants approved by the board for Journeyman certificate shall pay a thirty dollar ($30.00) fee prior to the issuance of the certificate.  Master certificates shall require a payment of ninety dollars ($90.00) prior to the issuance of the certificate. Certificates issued in September, October, and November of the renewal year are not required to pay a renewal fee in December.

304.14   Certificate Renewal:  All certificated electricians holding Type A, B, C, D, F, G and H certificates shall renew their certificate every three (3) years and pay a renewal fee of thirty dollars ($30.00) for a Journeyman certificate, and ninety dollars ($90.00) for a Master certificate. The first renewal date is January 1.  Failure to renew by the January 1 date of the renewal year will result in the certificate expiring.  Individuals holding expired certificates will be required to make application for a new certificate, and pay a renewal fee.  
401.4   Exceptions to work authorized:  No permit to install or perform any work authorized by Type A, B, F, or G license shall be granted to any person other than a contractor, except as follows:  All electrical permits may be issued to the general contactor on behalf of the master electrical contractor for new one and two family dwellings and building alteration or building additions for one and two family dwellings.  All electrical work must be performed by an electrician licensed by the City of Columbia, or as allowed by ordinance.

Exception No. 1.  Electricians holding a Type C-6 or C-8 certificate who are regular employees of the firm or corporation for which the work is to be performed, may obtain a permit to do electrical work on the premises of the firm or corporation provided the work is not associated with work requiring a building permit.

Exception No. 2.  A permit may be issued to any person to do work in a single family dwelling used exclusively for living purposes, including the usual accessory buildings and quarters in connection with such building, provided that the person is a bona fide owner of the dwelling, will occupy the dwelling for a period of not less than one year, will personally purchase all materials and perform all labor authorized by the permit, and that the applicant shall file an affidavit certifying that these conditions will be met before the issuance of the permit.  Any person obtaining a permit under this section shall not be issued another permit within two (2) years.

Work performed under any permit shall be subject to all applicable regulatory provisions of this code.

404.2    Schedule of permit fees:  The director of public works shall issue a permit for proposed work set forth in the application if in compliance with this and all other ordinances and regulations of the City of Columbia, Missouri, and upon payment of fees set forth hereinafter.  In no case shall the fees for permits be less than the following:

    For alterations of or extensions to existing wiring,
    or any other electrical permit    $20.00
For each service entrance panel 225 amperes or less    $20.00
For each service entrance panel over 225 amperes    $0.10/Amp
For each circuit (whether 2-wire, 3-wire or 3-phase)
For first fifteen    $1.35 each
For all over fifteen    $1.20 each
For each connection of hot air or hot water heating plant    $4.00 each
For installation of or addition to sound, audio-visual or
           Communication equipment    $20.00
Swimming pool    $50.00

Re-inspection fees will be charged in accordance with the Building Code of Columbia, Missouri.  

    First failed inspection    $35.00
    Failed re-inspection of prior correction notice    $70.00

In addition to persons authorized hereunder, an application for permit may be submitted by a general contractor or the owner of a new one- or two-family dwelling.  Fees may be paid at the date of application or through billing by the finance department.  Failure to pay any billed fee within thirty (30) days of billing shall nullify any permit for which billing was made and work shall cease until fees are actually received by the city.  Permit revocation and work stoppage are remedial steps which may be taken in addition to any other remedy for collection authorized by law.

1003.1 Penalties:  Any person who shall violate a provision of this code or shall fail to comply with any of the requirements thereof, shall be guilty of a misdemeanor and upon conviction thereof, shall be punished by a fine of not more than one thousand dollars ($1,000.00) or by imprisonment not exceeding one (1) year, or by both such fine and imprisonment.  Each day that a violation continues shall be deemed a separate offense.

Section 1101 Building Construction Codes Commission

1101.1  Board of appeals established.  Delete in its entirety

1101.3   Application for Appeal:  The applicant for an electrical permit, the holder of an electrical permit, or the owner or agent of a building or structure wherein electrical work is to be installed may appeal a decision of the code official refusing to grant modification of the provisions of the Electrical Code covering the manner of installation, or materials to be used in the installation, to the building construction codes commission.  Application for appeal shall be filed in accordance with the procedures set out in Section 113 of the Building Code of Columbia, Missouri.

1102. Membership: Delete in its entirety

1103 Procedures: Delete in its entirety

1201.1.1 Adoption:  Electrical systems and equipment shall be designed and constructed in accordance with the 2009 International Residential Code or NFPA 70 National Electrical Code 2008 edition as applicable, except as otherwise provided in this code.

1201.1.2 Amendments to NFPA 70, NEC 2008 as follows:

210.8 Ground-Fault Circuit-Interrupter Protection for Personnel: (A) Dwelling Units. (5);

Exception No. 1 to (5): Receptacles that are not readily accessible.

Exception No. 2 to (5): A single receptacle or a duplex receptacle for two appliances located within dedicated space for each appliance that, in normal use, is not easily moved from one place to another and that is cord-and-plug connected in accordance with 400.7(A)(6), (A7), or (A8).

Exception No. 3 to (5):  A receptacle supplying only a permanently installed fire alarm or burglar alarm system shall not be required to have ground-fault circuit-interrupter protection.

210.8 Ground-Fault Circuit-Interrupter Protection for Personnel:  (A) Dwelling Units. (7); Laundry, utility, and wet bar sinks – where the receptacles are installed within 1.8 m (6 ft) of the outside edge of the sink.  Dedicated circuits receptacles installed for specific appliances such as clothes washers, refrigerators, and microwave ovens shall not be required to be GFCI protected where located within 6 feet of laundry, utility or wet bar sinks in a dwelling.  A duplex receptacle may be used for a single appliance provided the duplex receptacle is located behind the appliance which, in normal use, is not easily moved and the receptacle is not readily accessible for the use of power tools.  This receptacle must be marked, not GFCI protected.  Receptacles installed under the exceptions to 210.8 (A)(7) shall not be considered as meeting the requirements of 210.52 (G).

210.12(B)   Arc-Fault Circuit Interrupter Protection (AFCI) Dwelling Units.  All 120-volt, single phase, 15 – and 20 - ampre branch circuits supplying outlets installed in dwelling unit bedrooms and for smoke detectors shall be protected by a listed arc-fault circuit interrupter, combination-type, installed to provide protection of the branch circuit.  The rest of 210.12(B) remains as stated.

210.52  Dwelling unit receptacle outlets (C) Countertops (5) Receptacle outlet location. Exception to (5):  Delete the second sentence to the first paragraph that reads; “Receptacles mounted below a countertop in accordance with this exception shall not be located where the countertop extends more than 150mm (6 inches) beyond its support base.”  The rest of the section remains as stated.  This deletion is to allow the placement of the receptacle no more than 12 inches below the countertop, and anywhere the countertop extends beyond its support base.

210.63 Heating, Air-Conditioning, and Refrigeration Equipment Outlet:  Existing exception to be shown as Exception No. 1: and add:  Exception No. 2:  Rooftop and exterior equipment on one- and two-family dwellings.

230.50 Protection Against Physical Damage. (B) (1) (3)  Scheduled 40 rigid nonmetallic conduit or equivalent.

250.94  Delete in its entirety

300.5  Underground Installations:  (D) Protection from Damage:  (3) Service Conductors: Warning tape shall be installed a minimum of six (6) inches below grade and not less than six (6) inches above the electrical cables or conduit in all underground installations of 50 volts or more.

300.5    Underground Installations: (D) Protection from Damage:  (4) Enclosure and Raceway Damage:  Where the enclosure or raceway is subject to physical damage, the conductors shall be installed in rigid metal conduit, intermediate metal conduit, Schedule 40 rigid nonmetallic conduit, or equivalent.

300.9 Raceways in Wet Locations Above Grade:  Delete in it’s entirety.

314.23(B)(1) Nails and Screws:  Add last sentence to paragraph:  Screws may be installed through the interior sides of a nonmetallic box to mount or fasten the box in place regardless of its listing and labeling provided the heads of the screws are covered or coated with a nonmetallic material.

334.12 Uses not permitted.  (A) Types NM, NMC, and NMS.  Types NM, NMC, and NMS cables shall not be permitted as follows:  Delete the following in its entirety: (2).  “Exposed in dropped or suspended ceilings in other than one- and two-family and multi-family dwellings.”

334.12(B) Types NM and NMS.  Types NM and NMS cables shall not be used under the following conditions or in the following locations.  Exception: Type NMS cable shall be permitted in wet or damp locations.

334.15(B) Protection from Physical Damage:  Where schedule 80 PVC is stated in paragraph, replace with scheduled 40PVC or better.  Cable shall be protected from physical damage where necessary by rigid metal conduit, intermediate metal conduit, electrical metallic tubing. Schedule 40 PVC conduit, or other approved means.  Where passing through a floor, the cable shall be enclosed in rigid metal conduit, intermediate metal conduit, electrical metallic tubing, Schedule 40 PVC conduit, or other approved means extending at lease 150 mm (6 in.) above the floor.

334.80 Ampacity.  The ampacity of Types NM, NMC and NMS cable shall be determined in accordance with 310.15.  The ampacity shall be in accordance with the 60 degrees C (140 degrees F) conductor temperature rating.  The 90 degree C (194 degree F) rating shall be permitted to be used for ampacity derating purposed, provided the final derated ampacity does not exceed that for a 60 degree C (140 degree F) rated conductor.  The ampacity of Types NM, NMC, and NMS cable installed in cable try shall be determined in accordance with 392.11.

Where more than two NM cables containing two or more current-carrying conductors are installed, without maintaining spacing between the cables, through the same opening in wood framing that is to be fire- or draft-stopped using thermal insulation, caulk, or sealing foam, the allowable ampacity of each conductor shall be adjusted in accordance with Table 310.15(B)(2)(a).  The rest of 334.80 is deleted in its entirety.

342.30(C), 344.30(C), 352.30(C), 355.30(C), 358.30(C), Securing and supporting  Unsupported raceways.  For each referenced section, delete the first half of the first sentence that states: “Where oversized concentric or eccentric knockouts are not encountered,” Rest of the paragraph remains as stated.
 
406.8  Receptacles in Damp or Wet Locations
    (A)    Damp Locations. A receptacle installed outdoors in a location protected form the weather or in other damp locations shall have an enclosure for the receptacle that is weatherproof when the receptacle is covered (attachment plug cap not inserted and receptacle covers closed).

        An installation suitable for wet locations shall also be considered suitable for damp locations.

        A receptacle shall be considered to be in a location protected from weather where located under roofed open porches, canopies, marquees, and the like, and will not be subjected to a beating rain or water runoff.  The rest of 406.8(A) is deleted in its entirety.

                (B)    Wet Location

    1)    15-and 20- Ampere receptacles in wet locations.  15-and 20- ampere, 125- and 250- volt receptacles installed in a wet location shall have an enclosure that is weather-proof whether or not the attachment plug cap is inserted.  Weatherproof “in-use or bubble” covers not required.

The rest of 406.8(B) is deleted in its entirety.

406.11 Delete in its entirety

410.24(B) Delete in its entirety

422.16(B) Specific Appliances (5) Storage-Type Water heaters:  Storage-type water heaters shall be permitted to be cord-and –plug connected with a flexible cord rated at 30 amperes.  Cord will not be required to be listed for this use.   

440-14. Location:  Add: Exception No 3:  Cord-and-plug connected appliances.


(Ord. No. 14116 § 1, 7-5-94; Ord. No. 14248 § 1, 10-10-94; Ord. No. 15394, § 1, 10-20-97; Ord. No. 17505, § 1, 11-4-02; Ord. No. 17658, § 1, 4-21-03; Ord. No. 19352, § 1, 1-2-07; Ord. No. 19675, § 2, 9-17-07; Ord. No. 20907, § 1, 3-21-11; Ord. No. 20955, § 1, 5-2-11)


(Ord. 20955, Amended, 05/02/2011, Prior Text; Ord. 20907, Amended, 03/21/2011, Prior Text; Ord. 19675, Amended, 09/17/2007, Prior Text; Ord. 19352, Amended, 01/02/2007, Prior Text; Ord. 17658, Amended, 04/21/2003, Prior Text; Ord. 17505, Amended, 11/04/2002, Prior Text)