Oklahoma Administrative Code
Title 748 - Oklahoma Uniform Building Code Commission
Chapter 20 - Adopted Codes
Subchapter 2 - IBC[®] 2018
Section 748:20-2-32 - IBC[®] 2018 Chapter 27 Electrical

Universal Citation: OK Admin Code 748:20-2-32

Current through Vol. 42, No. 1, September 16, 2024

Chapter 27 of the Oklahoma adopted IBC[®] 2018 is adopted with the following modifications:

(1) Section [F] 2702.1.2 Fuel-line piping protection. This section has been modified to add a third option for separating fuel lines supplying a generator set inside a building utilizing a fire-resistant pipe-protection system tested in accordance with UL 1489. This section has been modified to read: [F] 2702.1.2 Fuel-line piping protection. Fuel lines supplying a generator set inside a high-rise building shall be separated from areas of the building other than the room the generator is located in, by one of the following methods:

(A) A fire-resistant pipe-protection system that has been tested in accordance with UL 1489. The system shall be installed as tested and in accordance with the manufacturer's installation instructions, and shall have a rating of not less than 2 hours. Where the building is protected throughout with an automatic fire sprinkler system installed in accordance with Section 903.3.1.1, the required rating shall be reduced to 1 hour.

(B) An assembly that has a fire-resistance rating of not less than 2 hours. Where the building is protected throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1, the required fire-resistance rating shall be reduced to 1 hour.

(C) Other approved methods.

(2) Section 2703 Lightning Protection Systems. This section header title has been added to signify a new section has been added to the code to address lightning protection systems. This section header has been added to read: 2703 Lightning Protection Systems.

(3) Section 2703.1 General. This section has been added to clarify when lightning protection systems are provided, they shall comply with Sections 2703.2 through 2703.4. This section has been added to read: 2703.1 General. Where provided, lightning protection systems shall comply with Sections 2703.2 through 2703.4.

(4) Section 2703.2 Installation. This section has been added to require all lightning protection systems for all new building and additions to be installed in accordance with NFPA® 780 and UL 96A. It provides an exception for when UL 96A may not be utilized. This section has been added to read: 2703.2 Installation. Lighting protection systems for all new buildings and additions shall be installed in accordance with one of the following standards:

(A) NFPA® 780.

(B) UL 96A.

(5) Exception. UL 96A shall not be utilized for structures used for the production, handling, or storage of ammunition, explosives, flammable liquids or gases, and other explosive ingredients including dust.

(6) 2703.3 Additions to existing systems. This section has been added to clarify where additions are constructed to a building that contains a lightning protection system, the existing systems lightning protection system shall be properly interconnected with the new lightning protection system. This section has been added to read: 2703.3 Additions to existing systems. Where additions are constructed to a building containing a lighting protection system, the existing building's lightning protection system shall be properly interconnected to the new lightning protection system.

(7) 2703.4 Surge protection. This section has been added to require surge protective devices to be installed for all normal and emergency electrical systems and all communication systems in accordance with Section 2703.2 and NFPA 70. This section has been added to read: 2703.4 Surge protection. Surge protective devices shall be installed for all normal and emergency electrical systems and all communication systems in accordance with Section 2703.2 and NFPA® 70.

Disclaimer: These regulations may not be the most recent version. Oklahoma may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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