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NEW MEXICO ELECTRICAL CODE
14 NMAC 10.4



New Mexico Administrative Code
TITLE 14: Housing and Construction
CHAPTER 10: Electrical Codes
           PART 1  GENERAL PROVISIONS [RESERVED]
           PART 2  NATIONAL ELECTRICAL SAFETY CODE 1997
           PART 3  NATIONAL ELECTRICAL CODE 1999
           PART 4  STATE OF NEW MEXICO ELECTRICAL CODE
               14 NMAC 10.4.9  TECHNICAL PROVISIONS (the meat of the code)



 

PART 1  GENERAL PROVISIONS [RESERVED]
 

PART 2  NATIONAL ELECTRICAL SAFETY CODE 1997
 

14 NMAC 10.2.1  ISSUING AGENCY
 

   The Construction Industries Division of the Regulation and Licensing Department. [07-01-99]

14 NMAC 10.2.2  SCOPE
 

   This rule applies to individuals doing electrical work within the State of New Mexico. [07-01-99]
   2.1 14 NMAC 10.2 has a broad scope, these rules cover supply and communication lines, equipment, and associated
work practices employed by a public or private electric supply, communications, railway, or similar utility in the exercise of its function as a utility. They cover similar systems under the control of qualified persons, such as those associated with an
industrial complex or utility interactive system. [07-01-99]
   2.2 The 1997 National Electrical Safety Code does not cover installations in mines, ships, railway rolling equipment,
aircraft, or automotive equipment, or utilization wiring except as covered in Parts 1 and 3. For building utilization wiring
requirements, see the National Electrical Code, NFPA 70-1999 (see 14 NMAC 10.3. [07-01-99]

14 NMAC 10.2.3  STATUTORY AUTHORITY
 

   Pursuant to Section 60-13-9 (F) of the Construction Industries Licensing Act, NMSA 1978, the Construction
Industries Division of the Regulation and Licensing Department has adopted 14 NMAC 10.2. This section provides as follows:
The Division shall adopt all building codes and minimum standards as recommended by the trade bureaus and approved
by the commission so that the public welfare is protected, uniformity is promoted and conflicting provisions are avoided.
Section 60-13-44 (A) of the Construction Industries Licensing Act, NMSA 1978, states: The electrical bureau shall
recommend to the commission minimum standards for the installation or use of electrical wiring. [07-01-99]

14 NMAC 10.2.3A  PRE-NMAC REGULATORY FILING HISTORY
 

   The material in this part was derived from that previously filed at the State Records Center and Archives under: CIC 77-5,
1977 National Electrical Safety Code, filed 11-1-77; CID EB 81-2, 1981 National Electrical Safety Code, filed 12-23-81.
[07-01-99]

14 NMAC 10.2.3B  HISTORY OF REPEALED MATERIAL
 

   The material in this Part was derived from that previously filed renumbered as 14 NMAC 10.2 in parallel table published
in the New Mexico Register Volume VII, No. 9 on May 15, 1996 and is hereby repealed effective July 1, 1999.
Promulagation of 14 NMAC 10.2  - National Electrical Safety Code 1997, filed concurrently with this repeal, will be
effective July 1, 1999. [07-01-99]

14 NMAC 10.2.4  DURATION
 

   Permanent; until later amended, repealed or replaced. [07-01-99]

14 NMAC 10.2.5  EFFECTIVE DATE
 

   July 1, 1999, unless a later date is cited at the end of this section or paragraph. [07-01-99]

14 NMAC 10.2.6  OBJECTIVE
 

   The objective of 14 NMAC 10.2 is to promote the general welfare of the people of the State of New Mexico by providing
for the protection of life and property through standards that, when complied with, will result in an installation essentially
free from hazards. Further, the Code is intended to provide uniformity in electrical standards. [07-01-99]

14 NMAC 10.2.7  DEFINITIONS [RESERVED]
 

   [07-01-99]

14 NMAC 10.2.8  ADOPTION OF 14 NMAC 10.2
 

   Adoption of the 1997 National Electrical Safety Code (14 NMAC 10.2) was recommended by the Electrical Bureau and
formally approved by the Construction Industries Commission on April 14, 1999. [07-01-99]
   8.1 This part supersedes 14 NMAC 10.2, renumbered from CID EB 81-2, the 1981 National Safety Code, filed with the
State Records Center on December 23, 1981. [07-01-99]
   8.2 This part adopts by reference the 1997 National Electrical Safety Code (in its entirety), attached as exhibit 1.
(Exhibit 1 is the publication entitled the 1997 National Safety Code, published by the Institute of Electrical and Electronics
Engineers, Inc. and copyrighted 1996. Their website can be located at http://www.ieee.org..) [07-01-99]
   8.3 This part shall be referred to as (and cited in short form as): 14 NMAC 10.2. [07-01-99]

PART 3  NATIONAL ELECTRICAL CODE 1999
 

14 NMAC 10.3.1  ISSUING AGENCY
 

   The Construction Industries Division of the Regulation and Licensing Department. [06-01-99]

14 NMAC 10.3.2  SCOPE
 

   This rule applies to individuals doing electrical work within the State of New Mexico. [06-01-99]
   2.1 14 NMAC 10.3 has a broad scope, covering all electrical work performed in the State of New Mexico,
including: (1) Installations of electric conductors and equipment within or on buildings or other structures, including mobile
homes, recreational vehicles, and floating buildings, and other premises as yards, carnivals, parking, and industrial
substations; (2) Installations of conductors and equipment that connect to the supply of electricity; (3) Installations of other
outside conductors and equipment on the premises; (4) Installations of optical fiber cable; and (5) Installations in
buildings used by the electric utility, such as office buildings, warehouses, garages, machine shops, and recreational buildings that are not an integral part of a generating plant, substation or control center. [06-01-99]
   2.2 The 1999 National Electrical Code does not address the following: (1) Installation in ships, watercraft other than
floating buildings, railway rolling stock, aircraft, or automotive vehicles other than mobile homes and recreational vehicles; (2) Installation underground in mines and self-propelled mobile surface mining machinery and its attendant electrical trailing
cable; (3) Installations of railways for generation, transformation, transmission or distribution of power used
exclusively for operation of rolling stock or installations used exclusively for signaling and communications purposes; (4)
Installations of communications equipment under exclusive control of electric utilities located outdoors or in building
spaces used exclusively for such installations; and (5) Installations, including associated lighting under the exclusive
control of electric utilities for the purpose of communications, metering, generation, control, transformation, transmission or
distribution of electric energy. Such installations being located in buildings used exclusively by the utility, on or along public
highways, streets, roads, etc., or outdoors on private property by established rights such as easements. [06-01-99]

14 NMAC 10.3.3  STATUTORY AUTHORITY
 

   Pursuant to Section 60-13-9 (F) of the Construction Industries Licensing Act, NMSA 1978, the Construction
Industries Division of the Regulation and Licensing Department has adopted 14 NMAC 10.3. This section provides as follows:
"The Division shall adopt all building codes and minimum standards as recommended by the trade bureaus and approved
by the commission so that the public welfare is protected, uniformity is promoted and conflicting provisions are avoided".
Section 60-13-44 (A) of the Construction Industries Licensing Act, NMSA 1978, states: "The electrical bureau shall
recommend to the commission minimum standards for the installation or use of electrical wiring".    [06-01-99]

14 NMAC 10.3.3A  PRE-NMAC REGULATORY FILING HISTORY
 

   The material in this part was derived from that previously filed at the State Records Center and Archives under: CIC EAB
67-2, 1963 Electrical Code, filed 8-21-67; CIC EAB 67-3, 1966 Electrical Code, filed 8-21-67; CIC EB 68-1, 1969
Electrical Code, filed 10-29-68; CIC 71-1, 1971 Electrical Code, filed 12-1-71; CIC 74-7, 1975 National Electrical Code,
filed 11-20-74; CIC 77-4, 1978 National Electrical Code, filed 11-1-77; CID EB 81-1, 1981 National Electrical Code, filed
2-9-81; CID EB 83-1 National Electric Code 1984, filed 12-29-83; CID-EB-86-1, National Electric Code 1987, filed
11-18-86; CID EB 89-1, National Electric Code 1990, filed 12-18-89; CID EB 93-1, National Electric Code 1993, filed
2-24-93. [06-01-99]

14 NMAC 10.3.3B  HISTORY OF REPEALED MATERIAL
 

   The material in this part was derived from that previously filed at the State Records Center and Archives under: 14
NMAC 10.3, National Electrical Code 1996, filed 2-15-96. [06-01-99]

14 NMAC 10.3.4  DURATION
 

   Permanent; until later amended, repealed or replaced. [06-01-99]

14 NMAC 10.3.5  EFFECTIVE DATE
June 1, 1999, unless a later date is cited at the end of this section or paragraph. [06-01-99]

14 NMAC 10.3.6  OBJECTIVE
 

   The objective of 14 NMAC 10.3 is to promote the general welfare of the people of the State of New Mexico by providing for the protection of life and property through standards that, when complied with, will result in an installation essentially free from hazards. Further, the Code is intended to provide uniformity in electrical standards. [06-01-99]

14 NMAC 10.3.7  DEFINITIONS [RESERVED]
 

   [06-01-99]

14 NMAC 10.3.8  ADOPTION OF 14 NMAC 10.3
 

   Adoption of the 1999 National Electrical Code (14 NMAC 10.3) was recommended by the Electrical Bureau and formally approved by the Construction Industries Commission on November 16, 1998. [06-01-99]
   8.1 This part supersedes 14 NMAC 10.3, the National Electrical Code 1996, filed with the State Records Center on February 15, 1996. [06-01-99]
   8.2 This part adopts by reference the 1999 National Electrical Code (in its entirety), attached as exhibit 1. [06-01-99]
   (Exhibit 1 is the publication entitled the 1999 National Electrical Code, published by National Fire Protection Association, Batterymarch Park, Quincy, MA 02269, and copyrighted 1998. Their website is located at http://www.nfpa.org.)
   8.3 This part shall be referred to as (and cited in short form as): 14 NMAC 10.3. [06-01-99]

PART 4  STATE OF NEW MEXICO ELECTRICAL CODE
 

14 NMAC 10.4.1  ISSUING AGENCY
 

   The Construction Industries Division of the Regulation and Licensing Department. [7-1-99]

14 NMAC 10.4.2  SCOPE
 

   This rule applies to individuals doing electrical work within the State of New Mexico. [7-1-99]
   2.1 The provisions of this Code apply to all installations of electrical conductors, wiring, conduits, fixtures, devices, appliances, or other electrical equipment or materials hereinafter defined as electrical wiring within or on public or private building, structures or premises, except within the boundaries of political subdivision of this State which have:
   1) Adopted electrical codes containing requirements equal to or exceeding the requirements contained in this code as determined by the Bureau, and
   2) Employ an adequate number of Electrical Inspectors approved and certified by the Bureau as to their competency to enforce the provisions of the electrical codes, and
   3) Establish an appropriate system for the issuance of permits, and
   4) Been accepted as otherwise provided in this code.
   [7-1-99]
   2.2 The provisions of this Code include 14 NMAC 10.2, National Electrical Safety Code, 1997 Edition; 14 NMAC 10.3, National Electrical Code, 1999 Edition; and the Standard for the Installation of Lightning Protection Systems, 1997 Edition, as compiled and published as NFPA No. 780; and shall apply to all installations of electrical wiring within or on public or private buildings, structures or premises. [7-1-99]

14 NMAC 10.4.3  STATUTORY AUTHORITY

   Pursuant to Section 60-13-9 (F) of the Construction Industries Licensing Act (1978) the Construction Industries Division of the Regulation and Licensing Department has adopted 14 NMAC 10.4. This section provides as follows: The Division shall adopt all building codes and minimum standards as recommended by the trade bureaus and approved by the commission so that the public welfare is protected, uniformity is promoted and conflicting provisions are avoided. [7-1-99]

14 NMAC 10.4.3A  PRE-NMAC REGULATORY FILING HISTORY

   This material in this Part was derived from that previously filed with the State Records Center and Archives under: CIC 71-1, Construction Industries Commission, filed 12-01-71; CID 78-1, 1978 New Mexico Electrical Code, filed 01-31-78; CID EB 81-3, State of New Mexico Electrical Code Revised to July 24, 1981, Technical Provision based on the 1981 National Electrical Code and Related Codes and Standards, filed 11-24-81; CID EB 84, State of New Mexico Electrical Code, filed 05-11-84; CID NMEB 93-1, State of New Mexico Electrical Code 1993, filed 02-25-93; State of New Mexico. [7-1-99]

14 NMAC 10.4.3B  HISTORY OF REPEALED MATERIAL

   The material in this Part was derived from that previously filed with the State Records Center under 14 NMAC 10.4, State of New Mexico Electrical Code, filed 01-15-97. [7-1-99]

14 NMAC 10.4.4  DURATION

   Permanent, until later amended, repealed or replaced. [7-1-99]

14 NMAC 10.4.5  EFFECTIVE DATE

   July 1, 1999, unless a later date is cited at the end of a Section or Paragraph. [7-1-99]

14 NMAC 10.4.6  OBJECTIVE

The objective of 14 NMAC 10.4 is to promote the general welfare of the people of New Mexico by providing for the protection of life and property through standards that, when complied with, will result in an installation essentially free from hazards. [7-1-99]

14 NMAC 10.4.7  DEFINITIONS

   7.1 Journeyman Electrician. Includes any person installing, repairing and maintaining any electrical wiring and equipment subject to the provision of this Code. A journeyman electrician is limited to working as an employee of a duly and regularly licensed electrical contractor. He is prohibited from engaging in electrical work on his own, either by the hour or by or through any type of contract. Any attempt to circumvent the above is grounds for immediate revocation or suspension of the journeymans certificate. [7-1-99]
   7.2 Wiring. The installation, alteration, or addition of electrical wiring. [7-1-99]

14 NMAC 10.4.8  ADMINISTRATIVE

   8.1 Inspectors.
   8.1.1 Chief Electrical Inspector. Any person so employed shall be a competent electrician of good moral character and shall have at least eight years practical experience at the trade. A degree from an accredited school of electrical engineering may be substituted for four years of experience. He shall be well versed in the fundamentals of electricity and the approved methods of design and installation of interior electrical wiring systems for light, heat, and power and other electrical installations and construction for safety to life and property. He shall have the ability to plan and evaluate the work of others; to exercise good judgement in appraising situations and making decisions; to present oral and written comments clearly and
concisely; to get along well with others and to deal tactfully with the public. [7-1-99]
   8.1.2 Duties Under the Direction of the Bureau Chief. The chief Electrical Inspector shall plan, direct, and evaluate the work of Electrical Inspectors; serve as field liaison between the Bureau Chief and the Electrical Inspectors, and perform related work as assigned. [7-1-99]
   8.2 Electrical Inspectors.
   8.2.1 Persons so employed shall secure from the Bureau Chief an Electrical Inspectors Certificate of Qualification in order to qualify for an Electrical Inspectors Certificate of Qualification, the applicant shall be a Journeyman Electrician; shall possess such executive ability as is required for the performance of his duties; shall have a thorough knowledge of the required standards of both materials and methods used in the installation of electrical wiring and equipment; shall have had at least three years of experience as an Electrical Inspector or in the installation of electrical wiring and shall pass a written examination given by the Electrical Trade Bureau. [7-1-99]
   8.2.2 Disconnect Orders. In case of emergency, the Inspector has the authority to disconnect or to have disconnected any wire or connection devices where necessary for safety to life or property or where the wiring may interfere with the work of a fire department. The inspector having jurisdiction is authorized to disconnect or order the discontinuance of electrical service to any wire, device, appliance, or equipment found to be dangerous to life or property because it is defective or incorrectly installed, until the wiring device, appliance, or equipment and this installation is made safe and approved by the Inspector. The Inspector is authorized to order the correction of the defect or of the incorrect installation that prompted the disconnection or discontinuance of electrical service. [7-1-99]
8.2.3 Search Warrants. If the owner or occupant of any building, premises, or portion thereof refuses to allow an Electrical Inspector to enter the building, premises, or portion thereof at reasonable hours in the discharge of the duties imposed upon the Inspector by this Code, the Inspector shall proceed to obtain a search warrant from a Magistrate Court by filing a complaint before the Magistrate Court upon oath or affirmation. The complaint shall: [7-1-99]
   8.2.3.1 set forth the particular building, premises, or portion thereof sought to be inspected; [7-1-99]
   8.2.3.2 state that the owner or occupant of the building, premises or portion thereof has refused the inspector entry; [7-1-99]
   8.2.3.3 state that inspection of the building, premises or portion thereof is necessary to determine whether it complies with the requirements of this Code; [7-1-99]
   8.2.3.4 set forth the particular provisions of this Code sought to be enforced; [7-1-99]
   8.2.3.5 set forth any other reason necessitating the inspection, including knowledge or belief that a particular condition exist in the building, premises or portion thereof that constitutes a violation of this code; [7-1-99]
   8.2.3.6 state that the Inspector is approved by the Electrical Bureau and is authorized by it to make the inspection. [7-1-99]
   8.2.4 Stop Orders. Whenever any work is being done contrary to the provisions of this code, an inspector may order the work stopped by notice in writing served on any person engaged in doing the work or causing the work to be done. The person so notified shall forthwith stop the work until authorized by the inspector or other designated agent of the Bureau to proceed. [7-1-99]
   8.2.5 Unsafe Wiring. If the inspector determines that existing wiring constitutes a fire hazard to public safety, health or welfare because of inadequate maintenance, dilapidation, obsolescence, or abandonment or that is otherwise dangerous or is unsafe, the inspector shall notify the owner or occupant in writing that it is unsafe and set forth the defects. The notice may require the owner or persons in charge to take the necessary steps to remove the hazards within 10 days. If necessary, a notice may be issued to require the serving agency to discontinue service until further notice. [7-1-99]
   8.2.6 Electrical Plan Review. Electrical plan review shall be required based on the following criteria:
   1. The Bureau Chief may require submittal of any specifications, drawings or diagrams necessary to show clearly the kind and extent of electrical work covered by the application for permit.
   2. All commercial projects that require an architect or engineer seal in accordance with the Construction Industries Division Rules and Regulations shall be submitted to the Electrical Bureau for review and approval.
   3. Electrical primary meter distribution systems shall be designed and sealed by an electrical engineer licensed to practice in New Mexico. Plans must be submitted to the Electrical Bureau for review and approval.    [7-1-99]
   8.2.7 Electrical Permit.
   1. Except as provided in Section 60-13-45 of the Construction Industries Licensing Act. An electrical permit shall be obtained before any electrical wiring may be installed in or on any building, structure, or premises, publicly or privately owned, or before any alteration or addition may be made in or on any existing installation.
   2. An electrical permit shall expire two (2) years after activation date or the most recent inspection date. If the project has not been completed, a new electrical permit shall be obtained. The inspections will be based on the Code edition that was in effect when the rough-in inspection was approved.    [7-1-99]
   8.2.8 Electrical Inspections.
   The following electrical inspections shall be called for by the electrical contractor to which the permit of record was issued:
   A. Temporary pole.
   B. Rough-in (On residential projects, all wiring must be installed and connections made-up; on commercial projects, perform inspections as required).
   C. Pre-final (if applicable).
   D. Final (electrical system is complete and energized).
   1. The electrical inspector may require any other inspections, or special inspections, or re-inspection, as deemed necessary and appropriate to determine code compliance.
   2. No work required to be visible for inspection shall be covered before the inspector grants inspection approval. Work that is covered prior to inspection may be required to be uncovered at the expense of the party responsible for the work.
   3. Failure to comply with all inspection requirements may result in the inability to obtain a Certificate of Occupancy for the structure.
   4. When the inspector finds the installation to be in conformity with the Code and these Rules and Regulations, he shall issue a certificate of approval, authorizing the use of the installation and connection to the supply of electricity.
   5. When a certificate of approval is issued for the connection and use of TEMPORARY work, such certificate shall be issued to expire at a time to be stated therein and shall be revocable at any time, for cause, by the electrical inspector who issued it.
   6. For electrical connections by public or municipally owed utilities, refer to Section 60-13-47C of the Act.    [7-1-99]
   8.2.9 Electrical Primary Meter Distribution System Requirements.
   Electrical primary meter distribution systems are subject to all adopted codes, standards, and regulations. [7-1-99]

14 NMAC 10.4.9  TECHNICAL PROVISIONS

   9.1 Codes and Standards. [7-1-99]
   9.2 National Electrical Code and National Electrical Safety Code. The 1999 National Electrical Code, compiled and published by the National Fire Protection Association as Pamphlet No. 70 (NFPA No. 70) and approved by the American National Standards Institute as ANSI C1-1999 and filed in New Mexico as 14 NMAC 10.3; the 1997 National Electrical Safety Code, as compiled and published by the Institute of Electrical and Electronics Engineers and approved by the American National Standards Institute as ANSI C2-1997 and filed in New Mexico as 14 NMAC 10.2 and the 1997 Standard for the Installation of Lightning Protection Systems compiled and published by the National Fire Protection Association as (NFPA No. 780), as they may be amended herein are hereby adopted by reference and incorporated herein as fully as if set out in full. Together, they shall be known as the Technical Provisions of the New Mexico Electrical Code and shall apply to all installations of electrical wiring within or on public or private buildings, structures or premises. [7-1-99]
   9.3 Interpretations. The Bureau adopts the interpretations as given in the 1999 National Fire Protection Association Handbook of the National Electrical Code. [7-1-99]
   9.4 More Demanding. Where, in any specific case, different sections of this code specify different materials, methods of work, or other requirements, the more demanding shall govern. [7-1-99]
   9.5 Standards for Electrical Wiring and Materials. Except as otherwise provided, all electrical wiring installed or used shall be in conformity with the statutes of the State of New Mexico and this code, and with approved electrical standards for safety to life and property.
   Evidence of conformity with approved standards is:
   1. Listing and Labeling by a Nationally Recognized Testing Laboratory as listed by the Occupation Safety and Health Administration.
   2. Electrical wiring, equipment, or material that is not Listed and Labeled and a (UL) safety standard exists shall be certified by a Nationally Recognized Testing Laboratory approved by the Electrical Bureau.
   3. Electrical wiring, equipment, or materials that is not Listed and Labeled and a (UL) safety standards does not exist shall be certified by an electrical engineer licensed to practice in New Mexico. The certification will verify manufacturers safety and performance test data of the product.
   [7-1-99]

14 NMAC 10.4.10  AMENDMENTS TO THE 1999 NATIONAL ELECTICAL CODE
The following amendments are made to the 1999 National Electrical Code. The article and section numbering is keyed to the National Electrical Code format. [7-1-99]
   10.1 Article 110. Requirements for Electrical Installations.
   10.1.1 110-21. Marking of Warning Signs. All equipment used on circuits over 300 volts between conductors shall have a warning sign either on or adjacent to the equipment. Signs shall be made in accordance with ANSI Z535 Environmental and Safety Signs. The language shall read:
   For voltages over 300 volts  Install a 1 x 4 label that reads  480 VOLTS.
   For voltages over 600 volts and there are exposed parts  DANGER  HIGH VOLTAGE  KEEP OUT.
   Warning signs shall be consistent with NEC Articles 230-203, 370-72 (e), 620-3 (a), 665-23, 490-53, and 490-55.
   [7-1-99]
   10.2 Article 210. Branch Circuits. [7-1-99]
   10.2.1 210-8 (b) (3). Add, All 15 or 20 amp receptacles installed within six (6) feet of any sink shall be GFCI protected, unless otherwise specifically allowed in the 1999 National Electrical Code. [7-1-99]
   10.2.2 210-11 (a). Number of Branch Circuits. Add, In dwelling occupancies, circuits for general purpose receptacles shall be limited to a maximum of eight current consuming outlets. Single and duplex receptacle outlets are considered to be one current consuming outlet.
   Exception: Circuits serving only lighting loads may be calculated per NEC.    [7-1-99]
   10.2.3 210-11 (c) (1). Small Appliance Branch Circuits  Dwelling Unit. Add, Not more than four (4) current consuming outlets shall be connected to these circuits. Single and duplex receptacle outlets are considered to be one current consuming outlet. [7-1-99]
   10.2.4 210-19 (a). General. Add, Branch circuits shall not have a voltage drop exceeding 5% at the farthest outlet of power, of the nominal voltage system serving the premises. The maximum voltage drop on both feeders and branch circuits at the farthest outlet of power shall not exceed 8%. [7-1-99]
   10.2.5 210-52 (c) (3). At least one receptacle outlet shall be installed at each peninsular counter space with a long dimension of 72 inches, or greater and a short dimension of 12 inches, or greater. A peninsular countertop is measured from the connection edge. [7-1-99]
   10.2.6 210-52 (f). In addition to the number of required branch circuits in dwelling units at least one 20-ampere branch circuit shall be provided to supply the laundry receptacle. This circuit shall not serve any other outlets. [7-1-99]
   10.2.7 210-70 (a) (c). Add, At least one (1) switched lighting outlet shall be installed in all accessible attics and crawl spaces adjacent to the access point. [7-1-99]
   10.2.8 210-70 (a) (2). Add, on single family dwellings at least one wall switch, or automatic lighting control such as a motion detector shall be installed at each entrance or exit to control exterior illumination. [7-1-99]
   10.3 Article 215. Feeders. [7-1-99]
   10.3.1 215-1. Scope. Add, Wiring Methods for Feeders: Article 336, Nonmetallic-Sheathed Cable and Article 338, service entrance cable type SER, shall be permitted to be used for feeders in dwelling units providing the cables shall not pass through or under any other occupancy. Article 339, UF Cable shall be permitted to be used underground for any occupancy, and indoors only in accordance with Article 336, Nonmetallic-Sheathed Cable, providing the cable shall not pass through or under any other occupancy. [7-1-99]
   10.3.2 215-2 (c). General. Add, Feeders shall not have a voltage drop exceeding 5% at the farthest outlet of power, of the nominal voltage system serving the premises. The maximum voltage drop on both feeders and branch circuits at the farthest outlet of power shall not exceed 8%. [7-1-99]
   10.4 Article 225. Outside Branch-Circuit and Feeders. [7-1-99]
   10.4.1 225-19 (a): Exception No. 2. Delete in its entirety. [7-1-99]
   10.4.2 225-32. Exception No. 1. Change, For industrial installations under single management, where documented safe switching procedures are established and maintained for disconnection, the disconnection means shall be permitted to be located elsewhere on the premises. [7-1-99]
   10.5 Article 230. Services. [7-1-99]
   10.5.1 230-24 (a): Delete Exception No. 2 in its entirety. [7-1-99]
   10.5.2 230-28. Service Masts as Supports. Add, Where a service mast is used for the support of service drop conductors, it shall be a minimum 2 galvanized rigid conduit, intermediate metal conduit or comply with local utility requirements. [7-1-99]
   10.5.3 230-43. Wiring Methods for 600 Volts, Nominal, or Less. Add, Service entrance conductors shall be restricted to the following wiring methods: Article 334 Metal-Clad Cable, 338-1 (b) Service-Entrance Cable Type USE, 345 Intermediate Metal Conduit, 346 Rigid Metal Conduit, 347 Rigid Nonmetallic Conduit, 348 Electrical Metallic Tubing, 362 Wireways,  64 Busways, 365 Cablebus, or 374 Auxiliary Gutters. All other methods referred to in Article 230-43 are hereby deleted.
   Exception: Farm buildings served from a pole on which overcurrent protection is provided, the service entrance conductors shall be permitted to be service entrance cable. The pole meter loop, however, shall be rigid metal conduit, intermediate metal conduit, electrical metallic tubing, or Schedule 80 rigid nonmetallic conduit.    [7-1-99]
   10.5.4 230-70. General Locations. Amend paragraph to read as follows: The service disconnecting means shall be located at a readily accessible point outside the building or structure and associated with the meter socket, or within 48 inches from the point where the service conductor raceway enter the building or structure.
   Exception: Self contained pad mounted meters are not required to be associated with the disconnecting means.    [7-1-99]
   10.5.5 230-71, 72. Maximum Number and Grouping of Service Disconnects. Add the following: The service disconnect shall consist of not more than six switches with fuses or six circuit breakers grouped at one location on a building, including multiple occupancy buildings. Circuit breakers used as a main disconnect shall comply with 384-16 (a).
   If there are more than six switches or six circuit breakers grouped at one location on a building, a main disconnect shall be installed on the supply side, which shall then constitute the service equipment.
   The disconnecting means for each occupant of a multiple occupancy building shall be grouped at a common location.    [7-1-99]
   10.6 Article 240. Overcurrent Protection. [7-1-99]
   10.6.1 240-24. Location in or on Premises. Add, (f) Overcurrent devices shall not be located in bathrooms, cupboards, or similar locations which inhibit ready access. [7-1-99]
   10.7 Article 250  Grounding. [7-1-99]
   10.7.1 250-32 (b) (2). Two or more buildings. Delete in its entirety. [7-1-99]
   10.7.2 250-50 (c). Add, On single family dwellings a concrete encased electrode shall be installed in compliance with NEC 250-50 (c). If a concrete encased electrode is not present at least 20 feet of #2 bare copper in direct contact with the earth adjacent to the footing at a depth below the earths surface of not less than 2 = feet shall be installed. [7-1-99]
   10.7.3 250-52. Made and Other Electrodes. Add, Grounding electrodes in physical contact with earth shall be copper or copper-clad. [7-1-99]
   10.7.4 250-52 (c)(2). Add, Copper or copper-clad grounding electrodes shall be not less than 5/8 diameter. [7-1-99]
   10.7.5 250-104 (a). Add, The hot and cold metal water pipes shall be bonded together at an accessible location. The bonding jumper shall be No. 6 copper minimum. Non-metallic water pipe systems, which contain short sections of metal water pipes and are not likely to become energized, are not required to be bonded. [7-1-99]
10.7.6 250-104 (b). Delete in its entirety. (Bonding metal gas piping) [7-1-99]
   10.7.7 250-118. Add, (15) An equipment grounding conductor shall be installed in all branch circuit and feeder raceways on or above a roof. The EGC shall be sized in accordance with Table 250-122. [7-1-99]
   10.8 Article 290. Energy Conservation. [7-1-99]
   10.8.1 290-10. Scope. This article sets forth minimum requirements for the design of new buildings and structures or portions thereof and additions to existing buildings that provide facilities or shelter for public assembly, educational, business, mercantile, institutional, storage and residential occupancies designed primarily for human occupancy, by regulating their illuminating systems and equipment for effective use of energy. [7-1-99]
   10.8.2 290-20. Exempt Buildings, Areas, and Equipment. [7-1-99]
   10.8.2.1 Buildings and structures or portions thereof whose peak design rate of energy usage is less than 3.4 Btu/h per square foot or 1.0 watt per square foot of floor area for all purposes. [7-1-99]
   10.8.2.2 Buildings and structures or portions thereof which are neither heated nor cooled. [7-1-99]
   10.8.2.3 One and two-family detached dwellings. [7-1-99]
   10.8.2.4 Dwelling portion of multi-family building. [7-1-99]
   10.8.2.5 Historical buildings. [7-1-99]
   10.8.2.6 Residential-type space in institutions, such as hospitals, hotels, funeral homes, churches, museums, etc., other than kitchens, bathrooms, laundry areas, and public spaces including lobbies, halls, stairways, basement areas and utility rooms. [7-1-99]
   10.8.2.7 Theater auditoriums, entertainment, audiovisual presentations and motion picture and television studios where the lighting is an essential technical element for the function performed. [7-1-99]
   10.8.2.8 Display lighting. [7-1-99]
   10.8.2.9 Local task lighting. [7-1-99]
   10.8.2.10 Luminaries for specialized lighting applications (color matching, where electrical interference cannot be tolerated, etc.). [7-1-99]
   10.8.2.11 Space where it is impractical to control reflectances and where a dirty atmosphere cannot be avoided. [7-1-99]
   10.8.2.12 Building exteriors and exterior spaces. [7-1-99]
   10.8.3 290-30. Lighting Power Budget. [7-1-99]
   10.8.3.1 A lighting power budget is the upper limit of the power to be available to provide the lighting needs in accordance with the criteria and calculation procedures specified herein, and shall include the load of lamps and ballasts. [7-1-99]
   10.8.3.2 The lighting power budget shall not exceed the Unit Power Density of two watts per square foot of gross building area. [7-1-99]
   10.8.3.3 In lieu of the Unit Power Density method, the lighting power budget may be calculated in accordance with the Electrical Power and Lighting Chapter of the latest adopted edition of the Energy Conservation Code for New Mexico. [7-1-99]
   10.9 Article 300. Wiring Methods. [7-1-99]
   10.9.1 300-11 (a) (1). This section shall apply to fire rated and non-fire rated ceiling assemblies. [7-1-99]
   10.9.2 300-11 (a) (1). Exception. Delete in its entirety. [7-1-99]
   10.9.3 300-11 (a) (2). Exception. Delete in its entirety. [7-1-99]
   10.9.4 300-14. Add, The 6 inches shall be measured from the front edge of the box to the end of the conductor. [7-1-99]
   10.10 Article 310. Conductors for General Wiring. [7-1-99]
   10.10.1 310-2 (b). Add the restriction: The use of aluminum current carrying conductors shall be of the AA-8000 series and shall be limited to No. 2 or larger for aluminum or copper-clad aluminum where covered by the following Articles
   310. Conductors for general wiring.
   333. Armored cable.
   334. Metal-clad cable.
   336. Nonmetallic-sheathed cable.
   338. Service-entrance cable.
   339. Underground feeder and branch-circuit cable.
   340. Power and control tray cable.
   The equipment-grounding conductor shall be limited to No. 4 or larger if in a listed cable assembly.    [7-1-99]
   10.11 Article 324. Concealed Knob-and-Tube. [7-1-99]
   10.11.1 324-4. Uses not permitted. Concealed knob and tube wiring shall not be permitted to be installed. Except by special written permission from the Electrical Bureau. [7-1-99]
   10.12 Article 336. Nonmetallic-Sheathed Cable. [7-1-99]
   10.12.1 336-4 (c). Type NMS. Add, Type NMS cable shall be permitted for smoke detector circuits in dwellings. [7-1-99]
   10.12.2 336-5 (a) (1). Uses Not Permitted for Type NM, NMC or NMS. Add, The word structure means associated with the dwelling such as a parking structure, carport, barn, workshop, storage unit, etc. [7-1-99]
   10.12.3 336-5 (a) (10). Type NM, NMC, or NMS shall not be installed in buildings, or structures such as stores, professional offices, motels, hotels, and similar occupancies classified as commercial or industrial. [7-1-99]
   10.13 Article 339. Underground Feeder and Branch Circuit Cable. [7-1-99]
   10.13.1 339-3 (a) (7). Uses Permitted. Add, Type UF Cable shall be permitted to be imbedded in adobe construction. [7-1-99]
   10.13.2 339-3 (a) (8). Add, Type UF Cable, or an approved electrical raceway shall be installed on straw bale residential construction. [7-1-99]
   10.13.3 339-3 (b) (11). Uses Not Permitted. Add, Type UF cable shall not be installed in buildings or structures such as stores, professional offices, motels, hotels, or similar occupancies classified as commercial or industrial. [7-1-99]
   10.14 Article 348. Electrical Metallic Tubing. [7-1-99]
   10.14.1 348-5 (6). Use. Add, Electrical metallic tubing shall not be permitted to be installed underground nor in concrete slabs which are in contact with the earth. [7-1-99]
   10.15 Article 350. Flexible Metal Conduit. [7-1-99]
   10.15.1 350-5 (1). Uses not permitted. Change: In wet locations. [7-1-99]
   10.16 Article 370. Outlet, Device Pull and Junction Boxes. [7-1-99]
   10.16.1 370-27 (a). Exception. Delete in its entirety. [7-1-99]
   10.17 Article 422. Appliances. [7-1-99]
   10.17.1 422-9. Installation of appliance. Add, Where an evaporative cooler is installed on a roof, a listed raceway shall be installed during rough-in from the control point to the anticipated location. The raceway shall contain an equipment-grounding conductor from the control box to the junction box at the unit. The EGC shall be sized in accordance with Table 250-122. [7-1-99]
   10.18 Article 550. Mobile Homes and Mobile Home Parks. [7-1-99]
   10.18.1 550-23. Mobile Home Service Equipment. Add, (h) In addition to the provisions of Article 550-23, all mobile home service equipment pedestals and aerial services for trailer parks shall contain the following: [7-1-99]
   10.18.1.1 Provisions for one 50-ampere receptacle with the configuration shown in Figure 550-5(c), protected by one 50-ampere two-pole circuit breaker. [7-1-99]
   10.18.1.2 Provisions for one 15- or 20-ampre single-pole circuit breaker for fixed connection to accessory building or other structure. [7-1-99]
   10.18.1.3 A 15-A or 20-ampere receptacle shall be installed with ground-fault circuit-interruption protection. [7-1-99]
   10.18.1.4 Support shall comply with the serving utility requirements or be at least 6 x 6 pressure-treated timber or equivalent round poles installed to a depth not less than four feet. [7-1-99]
   10.19 Article 552. Park Trailers. [7-1-99]
   10.19.1 552-47(d). Minimum Allowable Demand Factors. Service and feeders for park trailer sites shall be permitted to be calculated in accordance with Article 550-22 for mobile homes. [7-1-99]
   10.20 Article 700. Emergency Systems. [7-1-99]
   10.20.1 700-1. Scope. Add, Refer to the latest adopted edition of the Uniform Building Code ) and the NFPA-101 Life Safety Code ) for exit and emergency lighting requirements. [7-1-99]
   10.21 Article 800. Communication Circuits. [7-1-99]
   10.21.1 800-52(f). Add, Each dwelling telephone outlet shall have not less than 4 pairs of No. 24 AWG communication conductors. Each 4 pair cable shall serve not more than three outlets. Conductors shall terminate on a listed box or terminal block near the electrical service or location of telephone service. Any exterior wall penetration shall be installed in a listed raceway. [7-1-99]

14 NMAC 10.4.11  SMOKE DETECTORS

For smoke detectors, refer to the latest adopted edition of the Uniform Building Code. Smoke detectors installed in new single family dwellings shall be served by a single source. When two (2) or more smoke detectors are required in a dwelling unit, they shall be interconnected with a multi-conductor cable assembly. Location and power back-up requirement shall be in accordance with the latest adopted edition of the Uniform Building Code. [7-1-99]

14 NMAC 10.4.12  ACCESSIBILITY REQUIREMENTS FOR PERSONS WITH DISABILITIES

   Add, Electrical device installation shall comply with Accessibility Codes adopted for New Mexico. [7-1-99]


DeLapp & Associates, Inc. dba
DeLapp Engineering
Main Office in Santa Fe:
1190 Harrison Rd Suite 3a
Santa Fe NM 87507
(505) 983-5557, Email Addresses Email Addresses (505) 982-5724 Fax

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