# Safety

Source: https://help.malighting.com/grandMA3/2.3/HTML/key_i_o_node_safety.html
This is grandocs, an unofficial mirror of MA Lighting documentation. For authoritative or safety-relevant information, cite the canonical page on help.malighting.com.

---
## Symbols and Warning Labels

|                                           |                                                                                                                                                                           |
| ----------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| ![](/img/grandma3/2-3/warning-b3b0cc.png) | **Warning:** Only trained personnel is allowed to install, power up, and operate the I/O Node DIN-Rail. Follow your country's safety and accident prevention regulations. |

![exclamation\_mark](/img/grandma3/2-3/exclamation_mark_1-2d755e.png)

**Warning** – Danger area

---

![lightning](/img/grandma3/2-3/lightning_1-d78a63.png)    

**Caution**– Risk of electric shock

---

## Risk of Electric Shock

The device is to be serviced by qualified personnel only as live parts may be exposed when opening and/or removing coverings. 

Touching live parts may cause electric shock.

![](/img/grandma3/2-3/danger-of-electric-shock_18_1-9cd7f0.png)

---

![icon\_garbage\_bin](/img/grandma3/2-3/icon_garbage_bin-13c821.png)

Dispose of as hazardous waste. Follow the applicable regulations. For more information see [Disposal](/grandma3/2-3/key_i_o_node_disposal/).

---

![ce\_and\_fcc](/img/grandma3/2-3/ce_and_fcc_1-3dc825.png)

Declaration of conformity. For more information see [Conformity](/grandma3/2-3/key_i_o_node_conformity/). 

---

![on\_off](/img/grandma3/2-3/on_off_15-2217a4.png)

Operating voltage ON/OFF