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IP Rating for Laser lights and LED lights

International IP Rating for Laser lights and LED lights

First number (Protection against solid objects) 
0 No protection 
1 Protected against solids objects over 50mm (e.g. accidental touch by hands 
2 Protected against solids objects over 12mm (e.g. fingers)
3 Protected against solids objects over 2.5mm (e.g. tools and wires) 
4 Protected against solids objects over 1mm (e.g. tools, wires and small wires 
5 Protected against dust - limited ingress (no harmful deposit) 
6 Totally protected against dust 
 
Second number (Protection against liquids) 
0 No protection 
1 Protected against vertically falling drops of water 
2 Protected against direct sprays up to 15o from the vertical 
3 Protected against direct sprays up to 60o from the vertical 
4 Protected against sprays from all directions - limited ingress permitted 
5 Protected against low pressure jets if water from all directions - limited ingress permitted 
6 Protected against strong jets of water e.g. for use on shipdecks - limited ingress permitted 
7 Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes 
8 Protected against long periods of immersion under pressure