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Many designers and engineers aren’t certain what type of IP Rating they need when it comes to lighting projects—especially when the need is to have a waterproof enclosure.

This is because there is a big difference between waterproof and water-resistant, but interpreting charts and labeling can be confusing—especially between a liquid protection rating of 7 or 8.

We’ve made it easy for designers and engineers

to determine the level of enclosure protection they need for any lighting project with this easy-to-follow chart.
First Digit Protection from SOLIDS Second Digit Protection from LIQUIDS
First Digit Protection from SOLIDS Second Digit Protection from LIQUIDS
X Not Rated X Not Rated
0 No protection/No test required 0 No protection/No test required
1 Protected against objects greater than 50mm diameter 1 Protected against vertically falling drops of water
2 Protected against objects greater than 12.5mm diameter, such as a finger 2 Protected against vertically falling water drops when enclosure tilted up to 15°
3 Protected against objects greater than 2.5mm 3 Protected from low-pressure water spray less than 60 degrees from vertical
4 Protected against objects greater than 1.0mm 4 Protected from low-pressure water splash from any direction
5 Protected from limited dust ingress, dust does not enter in harmful quantities to interfere with the correct operation or impair safety 5 Protected from low-pressure water jets—similar to a water hose—from any direction
6 Total protection from dust ingress 6 Protected from high-pressure water jets—similar to a fire hose—from any direction
    7 Protected from temporary immersion between 15 centimeters and 1 meter in depth for 30 minutes
    8 Protected from continuous immersion for a specified depth and time. Conditions should be more severe than for numeral 7.
    9 Protected from steam-jet cleaning
First Digit - Protection from SOLIDS
First Digit Protection from SOLIDS
First Digit Protection from SOLIDS
X Not Rated
0 No protection/No test required
1 Protected against objects greater than 50mm diameter
2 Protected against objects greater than 12.5mm diameter, such as a finger
3 Protected against objects greater than 2.5mm
4 Protected against objects greater than 1.0mm
5 Protected from limited dust ingress, dust does not enter in harmful quantities to interfere with the correct operation or impair safety
6 Total protection from dust ingress
Second Digit - Protection from LIQUIDS
Second Digit Protection from LIQUIDS
Second Digit Protection from LIQUIDS
X Not Rated
0 No protection/No test required
1 Protected against vertically falling drops of water
2 Protected against vertically falling water drops when enclosure tilted up to 15°
3 Protected from low-pressure water spray less than 60 degrees from vertical
4 Protected from low-pressure water splash from any direction
5 Protected from low-pressure water jets—similar to a water hose—from any direction
6 Protected from high-pressure water jets—similar to a fire hose—from any direction
7 Protected from temporary immersion between 15 centimeters and 1 meter in depth for 30 minutes
8 Protected from continuous immersion for a specified depth and time. Conditions should be more severe than for numeral 7.
9 Protected from steam-jet cleaning