Certificates and attestation ERKO products meet all technical requirements for electrical equipment and acquired all necessary certificates and attestation. In general, cable lugs and connectors are produced according to DIN and PN standards. Technical expertise of Electrotechnical Institute in Warsaw admits to apply ERKO products in power network. Cable lugs also acquired the admission of Polish Ship Register to be used on ships. The company activity is based on the Quality and Environmental Management System, which has been implemented and in accordance with the requirements of ISO 9001 and ISO 14001. In 2003 ERKO products received the GOST-R Certificate of Accordance.