DeLapp
& Associates, Inc. dba
DeLapp Engineering ®
DeLapp
& Associates, Inc. dba
DeLapp Engineering ®
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
(505)
982-5724 Fax
Map to DeLapp Engineering Office in Santa Fe
DeLapp Engineering Taos Office:
629-B Paseo del Pueblo Sur
Taos NM 87571
(575) 758-4565, Email Addresses
This entire web site is copyright (c) 1999-2008 by DeLapp & Associates, Inc.
DeLapp Engineering is a registered trademark of DeLapp & Associates, Inc.