The IP code typically consists of two characteristic numerals:
The standard is occasionally updated to reflect new technology and test methods. 5. Where to Find the Best IEC 60529 PDF
It defines how well an enclosure protects people against access to hazardous parts (such as electrical conductors) inside the enclosure.
Requires the lowest point of the enclosure to be 1 meter below the surface of the water, and the highest point to be at least 15 cm below the surface. The test lasts for 30 minutes. How to Get the Best IEC 60529 PDF
Protected against solid objects greater than 50 mm (e.g., accidental touch by hands).