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            1. NEMA
            2. Standards
            3. Technical Services
            4. Conformity Assessment
            5. U.S. National Committee for the IECEx
            6. IECEx Conformity Mark Licensing System

            IECEx Conformity Mark Licensing System

            While the IECEx Certificates of Conformity (CoCs), issued by ExCBs, provide evidence of conformity, there can be a need to display such IECEx conformance through the use of an "IECEx Conformity Mark".

            The objective of the IECEx Conformity Mark Licensing System is to provide on the product, in addition to the IECEx Certificate number, a distinctive mark as a means of identifying compliance with the relevant IEC Standards and other normative documents and requirements of the IECEx System.

            Applying for Mark licensing

            Ex equipment manufacturers with IECEx CoCs can apply to ExCBs in the United States for licensing of the IECEx Mark.  The current U.S. ExCB approved to provide this service is:

            • UL LLC

            More information

            Further information is available from the USNC/IECEx Secretary via the coordinates shown below…

            Mike Leibowitz, Secretary, USNC/IECEx

            NEMA
            1300 North 17th Street, Suite 900
            Rosslyn, VA, 22209
            Phone: (703) 841-3264
            E-Mail: mike.leibowitz@nema.org

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