# Safety Instructions

Source: https://help.malighting.com/grandMA3/2.4/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.

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## Symbols and Warning Labels

|                                           |                                                                                                                                                                           |
| ----------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| ![](/img/grandma3/2-4/warning-99d629.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/grandma3/2-4/exclamation_mark_1-eed58f.png)

**Warning** – Danger area

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![lightning](/img/grandma3/2-4/lightning_1-943713.png)    

**Caution**– Risk of electric shock

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## 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/grandma3/2-4/danger-of-electric-shock_18_1-92f11f.png)

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![icon\_garbage\_bin](/img/grandma3/2-4/icon_garbage_bin-6019d1.png)

Dispose of as hazardous waste. Follow the applicable regulations. For more information see [Disposal](/grandma3/2-4/key_i_o_node_disposal/).

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![ce\_and\_fcc](/img/grandma3/2-4/ce_and_fcc_1-edf420.png)

Declaration of conformity. For more information see [Conformity](/grandma3/2-4/key_i_o_node_conformity/). 

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![on\_off](/img/grandma3/2-4/on_off_15-9c4344.png)

Operating voltage ON/OFF