Shenhai prueba explosiones
Wa jump'éel kúuchil k'a'abet u instalación dispositivos eléctricos ti' prueba explosiones juuch'bil, le normas prueba explosiones utia'al le nu'ukulilo'ob ti' le kúuchila' 20 K'a'abéet exceder le requeridos utia'al le Zonas 21 y 22.
| Kúuchil tu'ux 20 | Kúuchil tu'ux 21 | Kúuchil tu'ux 22 |
|---|---|---|
| An explosive environment in the air that continuously appears in the form of combustible dust clouds, exists for a long time or frequently. | Places where explosive environments in the air may appear or occasionally appear in the form of combustible dust clouds during normal operation. | In the normal operation process, an explosive environment in the air in the form of combustible dust clouds is impossible to occur in places where the instrument exists for a short period of time. |
Específicamente, tu kúuchil tu'ux 20, Chéen u permiten dispositivos intrínsecamente seguros wa encapsulados, ka' jo'op' u le dispositivos ignífugos ma' táan permitidos.