The Member States shall take all appropriate measures to ensure that, in particular, electrical equipment which complies with the safety provisions of harmonised standards shall be regarded by their competent administrative authorities as complying with the provisions of Article 2, for the purposes of placing on the market and free movement as referred to in Articles 2 and 3 respectively.

Standards shall be regarded as harmonised once they are drawn up by common agreement between the bodies notified by the Member States in accordance with Article 11, first paragraph, point (a), and published under national procedures. The standards shall be kept up to date in the light of technological progress and the developments in good engineering practice in safety matters.

For purposes of information the list of harmonised standards and their references shall be published in the Official Journal of the European Union.