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Artificial Intelligence Notice: ISA prohibits the entry of any ISA intellectual property (“ISA IP”), including standards, publications, training or other materials into any form of Artificial Intelligence (AI) tools, such as ChatGPT. Additionally, creating derivatives of ISA IP using AI is also prohibited without express written permission from ISA’s CEO. In the case of such use, ISA will suspend a licensee’s access to ISA IP, and further legal action will be considered. Please review ISA's policies for Use of AI Tools, Intellectual Property and Terms and Conditions for further information.

Important Notice: Print books are temporarily unavailable. As of 12 August 2025, print books are no longer available for purchase on isa.org, but beginning 1 January 2026, they will be available for purchase through our publishing partner, Wiley. Kindle and ePub formats are still available via the links on each book's product page on isa.org. Learn More.

The work of the ISA12 Standards Committee and Subcommittees has been transferred to Underwriters Laboratories Inc. (UL) under UL STP 60079. However, at this time, the membership roster and email list of ISA12.12 and ISA12, Electrical Equipment for Hazardous Locations, will be maintained in order to complete the balloting, review, and publication of the co-published ISA-12.12.01/CSA C22.2 No. 213, Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations.

For more information, please contact ISA Standards.

For information on the work of ISA12.12 that has been transferred to UL, please contact:

Vickie Hinton
UL Project Manager, Standards
Vickie.T.Hinton@ul.com
(919) 549-1851