This document applies to constant and variable speed Reciprocating Internal Combustion (RIC) engine driven Alternating Current (AC) and Direct Current (DC) generating sets for fixed and mobile applications with rigid or flexible mountings. It is applicable for land and marine use, excluding generating sets used on aircraft or to propel land vehicles and locomotives. The relationship between this standard and the essential requirements of European Directive 2006/42/EC are detailed in the Annex ZA. NOTE 1 For some specific applications (e. g. essential hospital supplies, high rise buildings, etc.) supplementary requirements can be necessary. The provisions of this document can be regarded as a basis. NOTE 2 This international standard is referred in the EN ISO 8528-13 with regard to noise. EN ISO 8528-13 contains requirements concerning the design of generating sets, verification of noise levels, information related to noise in the operating and maintenance instructions.