Ingress Protection (IP) ratings
| Digit | First Digit (Solid Protection) | Second Digit (Liquid Ingress Protection) |
|---|---|---|
| 4 | Protected against solid objects over 1mm, e.g. wires & nails. | Protected against water splashed from all directions, limited ingress permitted. |
| 5 | Protected against quantity of dust that could interfere with the normal operation of the product but not fully dust tight. Complete protection against solid objects. | Protected against water splashed from all directions, limited ingress permitted. |
| 6 | Fully dust tight and complete protection against solid objects. | Protection assured against powerful water jets projected by a nozzle (12.5mm) from any angle. |
| 7 | Protection assured against water immersion at a depth between 15 cm and 1 meter for maximum 30 minutes. | |
| 8 | Protection assured against long periods of water immersion at a depth of over 1 meter. |