What is Ingress Protection Rating for Junction Boxes?

Enclosures ingress protection (IP) rating provides protection of equipment against certain external influences (e.g., intrusions, dust, accidental contact, and water) and, in any direction, protection against direct contact is well defined as the IP rating in IEC 60529

The IP rating is based on different locations that are divided into four categories: A, B, C and D.

The IP rating for indoor is defined with low severity levels like IP21 and IP44. The outdoor IP rating is IP56, which can withstand severe conditions as shown in below table.