Internal part of the tub
The area is limited by the outer edge of 0 and up to 225cm from the floor.

Stretching 60cm laterally and 60cm in height (up to 225cm) from the outer edge of Area 1.

First number |
Name |
Second number |
Name |
|
| 0 | No Protection | 0 | No Protection | |
| 1 | Protection from objects > 50mm | 1 | Protection against dripping water | |
| 2 | Protection from objects > 12mm | 2 | Protection against direct sprays of water up to 15° from vertical | |
| 3 | Protection from objects > 2.5mm | 3 | Protection against sprays of water up to 60° from vertical | |
| 4 | Protection from objects > 1mm | 4 | Protection against water splashed from all directions | |
| 5 | Protection from dust | 5 | Protection against low pressured jets from all directions | |
| 6 | Totally dust tight | 6 | Protection against strong jets of water | |
| 7 | Protection against immersion | |||
| 8 | Protection against complete continuous submersion in water |