Electrical Codes

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The codes adopted by law are published by the International Association of Plumbing and Mechanical Officials (IAPMO), the International Code Council (ICC), and the National Fire Protection Association (NFPA).

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Local Government Code
Chapter 214. Municipal Regulation of Housing and Other Structures
Sec. 214.214. National Electrical Code

Occupations Code
Chapter 1305. Electricians
Sec. 1305.101. General Powers and Duties

Section 214.214 adopts the National Electrical Code as it existed on May 1, 2001, as the municipal electrical code in Texas. This law also allows a municipality to adopt amendments to the National Electrical Code. For the correct version of the code for your municipality, please contact your local government officials.

Section 1305.101 requires the Texas Department of Licensing and Regulation to adopt a revised version of the National Electrical Code every three years as the electrical code for Texas.

As of March 2019, the 2017 edition of the National Electrical Code has been adopted by Rule 73.100 (Technical Requirements) of Title 16 of the Texas Administrative Code.

Texas Administrative Code Title 25, Chapter 135 (Ambulatory Surgical Centers), Rule 135.52 (Construction Requirements for a New Ambulatory Surgical Center) requires all electrical material and equipment to be compliant with the 2002 edition of the NFPA 70. Please see the text of the rule for additional details.

In the absence of local codes, Texas Administrative Code Title 40, Chapter 92 (Licensing Standards for Assisted Living Facilities), Rule 92.61 (Introduction and Application) requires compliance with the National Electrical Code (NEC) as specified under 2000 edition of the NFPA 101. Rule 92.63 (Construction and Initial Survey of Completed Construction) requires detailed fire detection and alarm system working plans in accordance with the relevant chapters of the NEC.

Texas Administrative Code Title 16, Chapter 13 (Regulations for Compressed Natural Gas (CNG)), Rule 13.102 (Installation of Electrical Equipment) requires electrical installations located within the vicinity of any compressor, cascade, or dispensing equipment to be in accordance with the National Electrical Code (NEC) for Class 1, Group D: Hazardous Locations, Division 2 area.

 

Texas Administrative Code Title 25, Chapter 117 (End Stage Renal Disease Facilities), Rule 117.102 (Construction Requirements for a New End Stage Renal Disease Facility) requires all new electrical material and equipment to be compliant with the 2002 edition of the NFPA 70. Please see the text of the rule for additional details.

Texas Administrative Code Title 28, Chapter 34 (State Fire Marshal), Rule 34.821 (Manufacturing Operations) requires that the wiring, switches, and fixtures in storage buildings at fireworks manufacturing plants comply with the 1984 edition of the National Electrical Code.

Rule 34.823 requires that electrical installations, if used, in storage facilities for more than 500 cases of Fireworks 1.4G comply with the 1984 edition of the National Electrical Code.

Texas Administrative Code Title 25, Chapter 131 (Freestanding Emergency Medical Care Facilities), Rule 131.141 (Construction Requirements for a Pre-Existing Facility) requires that any facilities operating on or before June 1, 2010, have electrical materials and equipment that are in compliance with the 2002 edition of the NFPA 70. Please see the text of the rule for additional details and requirements.

Texas Administrative Code Title 25, Chapter 131 (Freestanding Emergency Medical Care Facilities), Rule 131.143 (Construction Requirements for a New Facility) requires that any facilities operating on or before June 1, 2010, have electrical materials and equipment that are in compliance with the 2002 edition of the NFPA 70. Please see the text of the rule for additional details and requirements.

Texas Administrative Code Title 25, Chapter 133 (Hospital Licensing), Rule 133.162 (New Construction Requirements) requires all new electrical material and equipment to be compliant with the 1999 edition of the NFPA 70. Please see the text of the rule for additional details.

Texas Administrative Code Title 16, Chapter 70 (Industrialized Housing and Buildings), Rule 70.100 (Mandatory Building Codes) adopts the 2014 edition of the National Electrical Code for industrialized and modular buildings:

(a) Effective August 1, 2017, all industrialized housing and buildings, modules, and modular components, shall be constructed in accordance with the codes referenced in subsection (c) - (j).
[…]
(j) The National Electrical Code, 2014 edition, published by the National Fire Protection Association, is adopted as the Electrical Code of the Texas Industrialized Housing and Buildings Program.

Texas Administrative Code Title 40, Chapter 90 (Intermediate care facilities for individuals with an intellectual disability), Rule 90.61 (Introduction, Application, and General Requirements…) requires that electrical and illumination systems must be designed and installed in accordance with the National Electrical Code. Rule 90.65 (Fire Alarms, Detection Systems, and Sprinkler Systems) states that wiring and circuitry for fire alarm systems also must comply with the NEC.

Texas Administrative Code Title 10, Chapter 90 (Migrant Labor Housing Facilities), Rule 90.2 (Facilities) requires that electrical wiring and lighting fixtures be installed and maintained in accordance with the National Electrical Code and local codes.

Texas Administrative Code Title 30, Chapter 285 (On-Site Sewage Facilities), 285.34 (Other Requirements) requires that all electrical wiring shall conform to the requirements of the 1999 National Electrical Code.

Texas Utilities Code Chapter 181 (Miscellaneous Powers and Duties of Utilities), Section 181.045 (Standards for Construction, Operation, and Maintenance of Lines) requires that a municipal electric utility shall construct, operate, and maintain its transmission power lines and distribution power lines in accordance with the National Electrical Safety Code “as published in March 1948 by the National Bureau of Standards, Handbook 30, as revised by Handbook 81, published by the National Bureau of Standards in November 1961.”

Texas Utilities Code Chapter 38 (Regulation of Electric Services), Section 38.004 (Minimum Clearance Standard) requires power lines shall be constructed, operated, and maintained with respect to clearance in accordance with the edition of the National Electrical Safety Code “in effect at the time of construction.”

Texas Administrative Code Title 25, Chapter 134 (Private Psychiatric Hospitals and Crisis Stabilization Units), Rule 134.122 (Physical Plant and Construction Requirements) requires all new electrical material and equipment to be compliant with the 1999 edition of the NFPA 70. Please see the text of the rule for additional details.

For construction before January 1, 2004: In the absence of local codes, Texas Administrative Code Title 19, Chapter 61 (School Districts), Rule 61.1033 (School Facilities Standards for Construction before January 1, 2004) states that the school district shall adopt and use the latest edition of either the Uniform Building Code or Standard (Southern) Building Code (and related fire, mechanical, and plumbing codes); and the National Electrical Code. Note: The Uniform Building Code and the Standard Building Code are regional legacy codes that have now been replaced by the International Building Code.

For construction on or after January 1, 2004: In the absence of local codes, Texas Administrative Code Title 19, Chapter 61 (School Districts), Rule 61.1036 (School Facilities Standards for Construction on or after January 1, 2004) requires that a school district adopt and use the building code and related fire, plumbing, mechanical, fuel gas, and energy conservation codes from the latest edition of the family of International Codes as published by the ICC; and the National Electrical Code as published by the NFPA. Alternately, they may adopt the building code and related fire, plumbing, mechanical, fuel gas, and energy conservation codes as adopted by a nearby municipality or county.

Texas Administrative Code Title 25, Chapter 125 (Special Care Facilities), Rule 125.91 (Construction Requirements) requires all electrical material and equipment to be compliant with the 1999 edition of the NFPA 70. Please see the text of the rule for additional details.

Texas Administrative Code Title 30, Chapter 217 (Design Criteria for Domestic Wastewater Systems), Rule 217.326 (Electrical and Fire Code Compliance ) states that the facilities must comply with local electrical codes. In the absence of a local electrical code, the rule adopts the most recent edition of the National Electrical Code.

The electrical elements of a wastewater treatment facility and collection system must conform to local electrical codes. If the wastewater treatment facility or collection system is located in an area that does not have a local electrical code, the electrical elements must comply with the most recent edition of the National Fire Protection Association 70 National Electrical Code® at the time of installation.


Disclaimer: The library's list of adopted codes is not exhaustive. We include only the adoptions that the library has found relevant as building codes. State laws quoted on this page are not the official versions of the law. See the Texas Constitution and Statutes website.

page last updated: 15 Sep 2020 10:20 AM