| First digit: Protection against solid bodies | ||
| IP | TEST | RESULT |
| 0 | No Protection | Obiect is not Protected |
| 1 | Protection against objects of diameter 50 mm or greater (e.g. Hand) |
Any object having diameter 50 mm must not enter |
| 2 | Protection against objects of diameter 12.5 mm or greater (e.g. Finger) |
Any object having diameter 12.5mm must not enter |
| 3 | Protection against objects of diameter 2.5 mm or greater (e.g. Tools) |
Any object having diameter 2.5mm must not enter |
| 4 | Protection against objects of diameter 1.0 mm or greater (e.g. Fine wires) |
Any object having diameter 1rnrn must not enter |
| 5 | Dust protected | Harmful dust particles protected |
| 6 | Dust proof | Completely protected against dust articles |
| Second digit: Protection against water | ||
| IP | TEST | RESULT |
| 0 | No Protection | Obiect is not Protected |
| 1 | Protection against dropping water falling vertically (0°) |
No harmful effect of water |
| 2 | Protection against dropping water falling 15° either side of vertical | No harmful effect of water |
| 3 | Protection against sprayed water falling 600 either side of vertical | No harmful effect of water |
| 4 | Protection against splashing water from all sides | No harmful effect of water |
| 5 | Protection against water jet from all sides | No harmful effect of water |
| 6 | Protection against power-full water jet from all sides | No harmful effect of water |
| 7 | Protection against effect of temporary immersion in water upto 1 meter | No harmful effect of water |
| 8 | Protection against effect of continuous immersion in water | No harmful effect of water |