To help enhance safety, products offer optional finger-safe, see-through covers, an Ingress Protection 20-rating that includes lockout/tag out capabilities and open circuit indication.

为了帮助提高安全性，产品提供可选的手指安全，可透视的盖子，以及包含锁定/ 标签能力和开路指示功能的20等级的防尘防水保护。

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Protection against harmful ingress of water is determined by methods other than those given in IEC 60529 (USA).

对水的有害侵人的防护是通过不同于IEC 60529的方法来确定的（美国）。

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Protection of the equipment inside the enclosure against harmful ingress of water.

设备外壳组装对内部的保护，针对水的渗入会造成的设备无法使用等级。

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They are certified to MIL-STD 810G for extremes in temperature, vibration, shock and four-foot drops and have an IP65 rating for ingress protection, which means they are fully protected against dust and can withstand low pressure jets of water from all directions.

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