Declaration of the HAR Group on the conversion of HD 21 and HD 22 standards to EN 50525 series standards
HAR Scheme Processes and Procedures

This declaration is addressed to cable manufacturers, traders and end users of cable, and to HAR scheme members. Its purpose is to explain the conversion process from harmonisation documents (HDs) to fully harmonised European standards (ENs), and the procedures that the HAR scheme has adopted to provide continuity of product certification throughout this period.

Background

The European electrotechnical standardisation organisation CENELEC has published a number of Harmonisation Documents (HDs) over the last 20 years, as the first step in the full harmonisation across Europe of many types of electric cables. Supporting standards, in the form of materials specifications and test methods, have now been published as European standards. In 2006 CENELEC began the process of conversion of HD 21 and HD 22, and these are shortly to be published as the EN 50525 series of standards. The requirements set out in HDs 21 and 22 have been published as national standards in each CENELEC region country, sometimes with variation of presentation. With the new EN 50525 series the standards will be directly published as national standards with no variation, although in many cases they will need to be translated into local languages before publication by the national standards body.

The HAR scheme is a voluntary product certification scheme incorporating mutual recognition of certificates, operating in most countries of the CENELEC region. It was established by accredited electrotechnical certification bodies specialising in cables, in close co-operation with cable manufacturers. Most manufacturers located in these countries, making cables to HD 21 and HD 22, hold certification licenses from HAR Scheme member Certification Bodies (CBs). As a result of the publication of the EN 50525 series and the subsequent withdrawal of HD 21 and HD 22, these certifications will need to be converted.
Overall Approach

Existing licenses based on the HDs will continue to be valid until the date of withdrawal (DOW), and new, separate, licenses will be issued covering the new standards. Hence two licenses, covering the same cable, will run in parallel until the DOW. Manufacturers and the market will be educated about the changes during the transition period. A new edition of the list of cables under the HAR Scheme (PD-7), with cross references between HDs and ENs, has been published.
Timeline

The new EN 50525 series of product standards was ratified by CENELEC on 17 January 2011; the latest date of national publication (DOP) has been set as 17 January 2012, and the latest date of withdrawal of national publications set as 17 January 2014 (DOW). The effective date ofwithdrawal of HD 21 and HD 22 is therefore 17 January 2014.
National standards bodies may publish their national implementation of the EN 50525 series at any time after the DOP. Likewise, the withdrawal of conflicting national standards based on the HDs may take place before the DOW. In many cases this will be influenced by the progress of translations. However, these national implementation / withdrawal dates will not affect the timing of HAR scheme licensing activities, which are driven by the DOP and DOW.

New HAR scheme licenses based on the new EN 50525 series standards may be issued at any time after the DOP.






















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