本文件与第1部分一起涉及土方机械 - 电缆挖掘机（如EN ISO 6165定义）在预期使用时以及在制造商相关的合理可预见的误用条件下的所有重大危险与机器的整个使用寿命（见第4章）。 本欧洲标准也适用于电缆挖掘机，起落架和上部结构，如果与其他设备或附件结合使用，如提升操作，提取设备和移动设备（例如铁轨，步行腿，浮桥，船舶）或静止起落架。本标准未涉及钻井和基础设备（符合EN 16228第1-7部分:2014）。 这部分的要求是对所制定的共同要求的补充 prEN 474-1。本文件不重复prEN 474-1的要求，但增加或取代了土方机械 - 电缆挖掘机的应用要求

This document together with EN 474 1:2022 deals with all significant hazards, hazardous situations and events relevant to cable excavators when used as intended and under the conditions of misuse which are reasonably foreseeable by the manufacturer (see Annex A) associated with the whole lifetime of the machine as described in EN ISO 12100:2010, 5.4. The requirements of this document are complementary to the common requirements formulated in EN 474 1:2022. This document does not repeat the requirements of EN 474 1:2022 but supplements or modifies the requirements for cable excavators. This document does not provide requirements for main electrical circuits and drives of machinery when the primary source of energy is an external electrical supply. This document does not provide performance requirements for safety related functions of control system(s). The following significant and relevant hazards are not covered in this document: — Laser; — Lightning. Drilling and foundation equipment (covered by EN 16228 1:2014+A1:2021 to EN 16228 7:2014+A1:2021) are not dealt with in this document. This document does not provide requirements for main electrical circuits and drives of machinery when the primary source of energy is an external electrical supply. This document does not deal with demolition machinery. This document is not applicable to cable excavators which are manufactured before the date of publication of this document by CEN.