Your PDF clearly states in Clause 1 (Scope) what the standard does not cover.
Vertically dripping water when enclosure is tilted up to 15°. Spraying water iec 60529 pdf best
: The most practical part of the document is the breakdown of the two digits: First Digit (0–6) : Defines protection against solid foreign objects (like fingers, tools, or dust). Second Digit (0–9) : Defines protection against the ingress of water (ranging from vertical drops to high-pressure steam jets). Standardised Testing Procedures Your PDF clearly states in Clause 1 (Scope)
: The Bureau of Indian Standards (BIS) provides a legally binding version (IS/IEC 60529:2001) that is technically equivalent to the 2001 IEC edition. Second Digit (0–9) : Defines protection against the
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Protection against liquids (water, steam, immersion). First Digit: Solid Object Protection Protected Against Description 0 No protection No special protection. 1 Objects > 50mm Large body parts like a hand. 2 Objects > 12.5mm Fingers or similar objects. 3 Objects > 2.5mm Tools, thick wires, etc. 4 Objects > 1mm Most wires, slender screws, large ants. 5 Dust protected
IEC 60529 is the international standard that defines the Ingress Protection (IP) Code