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Standard 121201, Edition 9

Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations

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Standard 121201, Edition 9 Edition Date: August 31, 2018
Summary of Topics s121201_9_sum.html

Summary of Topics

This revision to ANSI/UL 121201 is being issued to include the following editorial correction in requirements:

Clause 5.1.1, item b) to replace “and” with “or”.

Clause 18.3.4 to replace “Table 1” reference with “Table 3”.

No substantive changes in requirements have been made.

As noted in the Commitment for Amendments statement located on the back side of the title page, UL and CSA are committed to updating this harmonized standard jointly. CSA and UL will issue revisions to this standard bearing their date of issue.

Back to Standard 121201, Edition 9

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