2012-227s:Uegallour documentslordinances\121electrical code ordinance 20ll.doc
ORDINANCE NO. 2012-227
AN ORDINANCE AMENDING ARTICLE III OF CHAPTER 28 OF THE CODE OF ORDINANCES OF
THE CITY OF DENTON, T'EXAS, (`BLECTRICAL CODE") BY REPEALING THE 2005 NATIONAL
ELECTRICAL CODE WITH CERTAIN AMENDMENTS AND PROVIDING FOR THE ADOPTION
OF THE 2011 NATIONAL ELECTRICAL CODE WITH CERTAIN DELETIONS AND
AMENDMENTS; PROVIDING FOR A PENALTY IN THE AMOUNT OF $2000.00 FOR
VIOLATIONS THEREOF; AND PROVIDING FOR AN EFFECTNE DATE.
THE CITY COUNCIL OF THE CITY OF DENTON HEREBY ORDAINS:
SECTION 1. That Section 28-61 of Article III of Chapter 28 of the Code of Ordinances of the City
of Denton, Texas, is hereby amended to read as follows:
Sec. 28-61. Adoption of electrical code.
The 2011 National Electrical Code as published by the National Fire Protection Association, a copy of
which shall be filed with the of�ice of the City Secretary and available for public inspection, is hereby
adopted and designated as the electrical code of the city, the same as though that edition of such code were
copied at length herein, subject to deletions and amendments enumerated in Section 28-62.
SECTION 2. That Section 28-62 of Article III of Chapter 28 of the Code of Ordinances of the
City of Denton is hereby amended to read as follows.
Sec. 28-62. Deletions and Amendments
The National Electrical Code adopted by Section 28-61 is amended as follows:
Amendments to the 2011 National Electrical Code
(1)Article 100, Part I; amend tlze following defi�2ition:
Intersystem Bonding Termination. A device that provides a means for connecting bonding conductors for
communication systems and other systems such as metallic gas piping systems to the grounding electrode
system.
(2)Article II0.5; change the follo�ving to read as follows:
110.5 Conductors. Conductors normally used to carry current shall be of copper, or may be of aluminuxn if
2 AGW or larger and may be used only for service panelboards or sub-panelboard service feeders. Where
conductor material is not specified, the material and the size...(the rest of the paragraph as written.)
(3)Article 110.2; c/zange the following to read as follows:
110.2 Approval. The conductors and equipment required or permitted by this Code shall be acceptable
only if approved. Approval of equipment may be evident by listing and labeling of equipment by a
Nationally Recognized Testing Lab (NRTL) with a certification mark of that laboratory or a qualified third
party inspection agency approved by the AHJ.
Exception: Unlisted equipment that is relocated to another location within a jurisdiction or is field
modified is subject to the approval by the AHJ. This approval may be by a field evaluation by a NRTL or
qualified third parry inspection agency approved by the AHJ.
Manufacturer's self-certification of any equipment shall not be used as a basis for approval by the AHJ.
Informational Note: See 90.7, Examivation of Equipment for Safety, and 110.3, Examination,
Identification, Installation, and Use of Equipment. See definitions of Approved, Identified,
Labeled, and Listed.
(4)Article 210.8(A)(1); change to read as follows:
210.8(A)(1) Dwelling units. Bathroom, the Ground-Fault Circuit-Interruption device shall be located in the
bathroom served.
(5)Article 230.2; add sentence to end of sectiorz to read as fallows:
230.2 Number of Services. {no changes to current section} ... The height of the meter, measured from iuush
grade, shall be between a minimum height of 4 feet to a maxunum of 6 feet measured to the center of the
glass.
(1) Readily Accessible Location. The service disconnection means shall be installed at a readily
accessible location on the outside of a building or structure nearest the service.
(6)Article 230.70(A)(1); cl:arzge to read as follows:
(1) Readily Accessible Location. The service disconnection means shall be installed at a readily
accessible location on the outside of a building or structure nearest the service.
(7)Article 240.91; delete t12e Article.
(8)Article 310.15(B)(7); change to read as follows:
(7) 120/240-Volt, 3-Wire, Single-Phase Dwelling Services and Feeders. For dwelling units, conductors,
as listed in Table 310.15(B)(7), shall be.,. {text unchanged}...provided the requirements of 215.2, 220.61,
and 230.42 are met. This Article shall not be used in conjunction with 220.82.
(9)Article 500.8(A)(3); chaiige to read as follows:
500.8 Equipment. Articles 500 through 504 require equipment construction and installation standards that
ensure safe performance under conditions of proper use and maintenance.
Informational Note No. 1: It is important that inspection authorities and users exercise more than
ordinary care with regard to installation and maintenance.
Informational Note No. 2: Since there is no consistent relationship between explosion properties
and ignition temperature, the two are independent requirements.
Informational Note No. 3: Low ambient conditions require special consideration. Explosion proof
or dust-ignition proof equipment may not be suitable for use at temperatures lower than -25°C (-
13°F) unless they are identiiied for low-temperature service. However, at low ambient
temperatures, flammable concentrations of vapars may not exist in a location classified as Class I,
Division 1 at normal ambient temperature.
(A) Suitability. Suitability of identiiied equipment shall be determined by one of the following:
(1) Equipment listing or labeling
(2) Evidence of equipment evaluation from a qualified testing laboratory or inspection agency concerned
with product evaluation
(3) Evidence acceptable to the authority having jurisdiction such as a manufacturer's self-evaluation or an
engineering judgment signed and sealed by a qualified Licensed Professional Engineer.
Infortnational Note: Additional documentation for equipment may include certificates
demonstrating compliance with applicable equipment standards, indicating special conditions of
use, and other pertinent information. Guidelines for certificates may be found in ANSUISA
12.00.02, Certificate Standard for AEx Equipment for Hazardous (Classified) Locations.
(10)Article 505.7(A) changed to read as follows:
505.7 Special Precaution. Article 505 requires equipment construction and installation that ensm�es safe
performance under conditions of proper use and maintenance.
Informational Note No. 1: It is important that inspection authorities and users exercise more than
ordinary care with regard to the installation and maintenance of electrical equipment in hazardous
(classified) locations.
Informational Note No. 2: Low ambient conditions require special consideration. Electrical
equipment depending on the protection techniques described by 505.8(A) may not be suitable for
use at temperatures lower than -20°C (-4°F) unless they are identified for use at lower
temperatures. However, at low ambient temperatures, flammable concentrations of vapors may not
exist in a location classified Class I, Zones 0, 1, or 2 at normal ambient temperature.
(A) Implementation of Zone Classification System. Classification of areas, engineering and design,
selection of equipment and wiring methods, installation, and inspection shall be perfarmed by a qualified
Licensed Professional Engineer.
(11)Article 680.25(A) cl:anged to read as follows:
680.25 Feeders. These provisions shall apply to any feeder on the supply side of panelboards supplying
branch circuits for pool equipment covered in Part II of this article and on the load side of the service
equipment or the source of a separately derived system.
(A) Wiring Methods.
(1) Feeders. Feeders shall be installed in rigid metal conduit or intermediate metal conduit. The following
wiring methods shall be permitted if not subj ect to physical damage:
(1) Liquidtight fle�cible nonmetallic conduit
(2) Rigid polyvinyl chloride conduit
(3) Reinforced thermosetting resin conduit
(4) Electrical metallic tubing where installed on or within a building
(5) Electrical nonmetallic tubing where installed within a building
(6) Type MC cable where installed within a building and if not subj ect to corrosive environment
(7) Nonmetallic-sheathed cable
(8) Type SE cable
Exception: An existing feeder between an existing remote panelboard and service eguipment shall be
permitted to run in flexible metal conduit or an approved cable assembly that includes an equipment
grounding conductor within its outer sheath. The equipment grounding conductor shall comply with
250.24(A) (5).
END
SECTION 3. If any provision of this ordinance or application thereof to any person or
circumstance is held invalid, such invalidity shall not affect other provisions or applications, and to this end
provisions of this ordinance are severable.
SECTION 4. All provisions of the ordinances of the City of Denton in conflict with the provisions
of this ordinance are hereby repealed, and all other provisions of the ordinances of the City of Denton, not
in conflict with the provisions of this ordinance, shall remain in full force and effect.
SECTION 5. Any person violating any provision of this ordinance shall, upon conviction, be
fined a sum not to exceed two thousand dollars ($2000.00). Each day that a provision of this ordinance is
violated shall constitute a separate and distinct offense.
SECTION 6. This ordinance shall become effective October 1, 2012 and the City Secretary is
hereby directed to cause the caption of this ordinance to be published twice in the Denton Record-
Chronicle, the official newspaper of the City of Denton, Texas, within ten (10) days of the date of its
passage.
PASSED AND APPROVED this the � day o ��� '��, 2012.
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ATTEST:
JENNIFER WALTERS, CITY SECRETARY
BY:
APPR D AS T LEGAL FORM:
ANITA BURGESS, CITY ATTORNEY
BY: �Z�+��