Numerals | Meaning for the Protection of Equipment | Meaning for the Protection of Persons |
0 | Nonprotected | Nonprotected |
1 | 50 mm diameter | Back of hand |
2 | 12.5 mm diameter | Finger |
3 | 2.5 mm diameter | Tool |
4 | 1.0 mm diameter | Wire |
5 | Dust protected | Wire |
6 | Dusttight | Wire |
Numerals | Meaning for the Protection of Equipment |
0 | Nonprotected |
1 | Vertically dripping |
2 | Dripping (15° tilted) |
3 | Spraying |
4 | Splashing |
5 | Jetting |
6 | Powerful jetting |
7 | Temporary immersion |
8 | Continuous immersion |
Letter | Meaning |
A | Back of hand |
B | Finger |
C | Tool |
D | Wire |
Letter | Meaning |
H | High-voltage apparatus |
M | Motion during water test |
S | Stationary during water test |
W | Weather conditions |