Part 2 of IEC 62561 specifies the requirements and tests for:
– metallic conductors (other than “natural” conductors) that form part of the air-termination and down-conductor systems,
– metallic earth electrodes that form part of the earth-termination system.
![IEC 62561-2:2018](https://www.365standards.com/wp-content/uploads/2023/02/IEC-62561-2-2018-880x660.png)