14E-1-110  Requirements for electrical installations.
The provisions of Article 110 of NFPA 70 are adopted by reference with the following modifications:
1.   Revise section 110.1 by deleting the informational note.
2.   Insert new subsection 110.12(C) to read:
Abandoned Electrical Equipment. All accessible (as applied to wiring methods) abandoned raceways, cables, conductors, boxes, and electrical equipment shall be removed.”
2.1.   Insert new subsection 110.12(D) to read:
"Additional Load. The addition of any load to an existing installation, other than a load for which the existing installation was originally approved, shall require the installer to modify the existing installation to meet all requirements applicable to the modified installation. In all cases, the installer of any load, generating device, or energy storage system shall be responsible for the adequacy of the service after the new load, generating device, or energy storage system has been installed."
3.   Insert new subsection 110.26(G) to read:
Dedicated Electrical Closets. In high rise buildings, where transformers or distribution points are established throughout the various floors or areas of the building, all such electrical equipment shall be grouped and installed in electrical closets.
Such electrical closets shall be for the exclusive use of the electrical system and shall be constructed as to provide the required working space around all of the electrical equipment installed therein. Such electrical closets shall have a minimum fire rating of two hours.
Where busways serve such electrical closets, the busway shall only pass through areas meeting the same fire rating, exclusive use, and fire protection requirements as the electrical closet. Busways located in areas with sprinkler protection shall be of the weatherproof or raintight type.
In other than high rise buildings, electrical closets, where provided, shall have a minimum fire rating of one hour.
In all buildings, electrical vaults shall comply with 110.31.”
(Amend Coun. J. 1-23-19, p. 94952, Art. I, § 15; Amend Coun. J. 10-7-20, p. 21791, Art. III, § 2)