本技术报告（第3类）涵盖了电气和电子系统及装置的接地和布线指南，旨在确保电气和电子设备或系统之间的电磁兼容性。更具体地说，它涉及接地实践以及工业、商业和住宅设施中使用的电缆。本技术报告旨在供安装人员和用户使用，在某种程度上也适用于敏感电气或电子装置和系统的制造商，以及可能降低整体电磁环境的高排放水平的设备。

This technical report (type 3) covers guidelines for the earthing and cabling of electrical and electronic systems and installations aimed at ensuring electromagnetic compatibility among electrical and electronic apparatus or systems. More particularly, it is concerned with earthing practices and with cables used in industrial, commercial and residential installations. This technical report is intended for use by installers and users, and to some extent, manufacturers of sensitive electrical or electronic installations and systems, and equipment with high emission levels that could degrade the overall electromagnetic environment.