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60794 B2018 Optical Modules Structured Cabling ODN-
IEC outdoor distribution box protection level
The protection level of outdoor distribution boxes requires IP54 or above. PE line should be added to public lighting in stairwell. The IEC has developed the ingress protection (IP). An IP rating (also known as Ingress Protection Rating) indicates how well a device is protected against solids and liquids. Protection is afforded against the following external influences: Note: the IP code applies to electrical equipment for voltages up to and including 72.