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Primer on Standards - OEK - OVE

Primer on Standards - OEK - OVE

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ChapterUnderstandingthe CenelecStandardThe EN and the HDCENELEC publishes two kinds of standards, the European Standard (EN) and theHarm<strong>on</strong>ized Document or HD. Although normally speaking we refer to both of themas standards, in detail the HD and the EN differ slightly. In fact, while the EN mustbe literally transposed as it is, word by word, in all CENELEC member countries,in the HD it is <strong>on</strong>ly the technical c<strong>on</strong>tent that must be transposed into nati<strong>on</strong>alstandards. Furthermore, the HD can be dispersed am<strong>on</strong>g different/several nati<strong>on</strong>alstandards, unlike the EN that must exactly follow the same structure and to whichnothing may be added nor removed.20 CENELEC. <str<strong>on</strong>g>Primer</str<strong>on</strong>g> <strong>on</strong> <strong>Standards</strong>

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