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Once an IECEx Certificate of Conformity is issued by the ExCB, the product is assigned a unique IECEx Certificate number to be placed on the product nameplate. This IECEx certificate number has 4 main parts:
• IECEx Symbol
• The accredited ExCB issuing the certificate (e.g., UL, CSA, QPS, Intertek)
• The 2-digit number of the year that the certificate is issued
• A unique, four-digit identification number
By having a quick look at this certificate number, we can learn that it was issued by Intertek (ETL) in 2020.
The certificate number may also have a suffix - an X or a U that appears at the end of the number. If the certificate number ends in an ‘X’, it means there are conditions for installation and use related to the product that are included in the certificate. A suffix ‘U’ indicates that the product is a component that can be incorporated into equipment and may need an additional evaluation once installed.