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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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