Equipment Protection Level
| Equipment Protection Level | Zone |
|---|---|
| Ga (Gas) | 0 |
| Gb (Gas) | 1 |
| Gc (Gas) | 2 |
| Da (Dust) | 20 |
| Db (Dust) | 21 |
| Dc (Dust) | 22 |
| Ma (Mining) | Energised |
| Mb (Mining) | De-energised in presence of explosive atmospheres |
| Equipment Protection Level | Zone |
|---|---|
| Ga (Gas) | 0 |
| Gb (Gas) | 1 |
| Gc (Gas) | 2 |
| Da (Dust) | 20 |
| Db (Dust) | 21 |
| Dc (Dust) | 22 |
| Ma (Mining) | Energised |
| Mb (Mining) | De-energised in presence of explosive atmospheres |