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The meaning of protection degree code
Protection class for water
Character No.
Character sign
Brief description
Type Number Nomenclature
×
　Exempt from testing
 while omitting and don't mark this prptection sign
○
　Exempt from protection
 without special protection
1

　dropproof
 Protected against vertically falling drops of water
2

　15°dropproof
 Protected against drops of water falling at up to 15°
 from the vertical
3

　Pour-proof
 Protected against drops of rainwater at up to 60°
 from vertical 
4

　Bespatter-proof
 Protected against spattering of water from  any direction
5

　Anti-spout water
 Protected against projections of water from any direction
6

　Anti-ocean wave
 Completely protected against jets of water of similar
 force to heavy seas.
7

　Effect for anti-inundate
 Protected against effects of immersion under specificed
 pressure and time.
8

　Effect for anti-dive
 Protected against effects of prolonged immersion under
 specificed conditions
Code Example：IP44
This code means the shell can protect against the solid bodies that Dia more than 1mm coming into inside, and bespatter-proof from any direction.

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