IEC 60721-2-7-2018 环境条件分类--第2-7部分:自然界出现的环境条件--动物与植物 Classification of environmental conditions – Part 2-7: Environmental conditions appearing in nature – Fauna and flora

This document addresses the occurrence of fauna and flora, including its main effects on electrotechnical products. Exposure and damage from the effects of fauna and flora can occur at almost any time in a product's life cycle. Moreover, there are many agents of attack with various actions.
This document addresses the occurrence and damage arising from fauna and flora in all locations a product can be stored, transported or used. Generally, fauna can be present and cause damage to products in both the natural environments experienced in open-air locations as well as in artificially created environments, such as in a warehouse or building. However, flora will predominantly be present and cause damage to products only in open-air locations. Fungus and bacteria can be present in both open-air locations as well as in warehouses or buildings.dition 2.0 2018-03 INTERNATIONAL STANDARD Classification of environmental conditions – Part 2-7: Environmental conditions appearing in nature – Fauna and flora IEC 60721-2-7:2018-03(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright ？ 2018 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any me