# Safety

Source: https://help.malighting.com/grandMA3/2.3/HTML/key_rack_unit_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

![exclamation\_mark](/img/grandma3/2-3/exclamation_mark_1-501244.png)

**Warning** – Danger area

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![lightning](/img/grandma3/2-3/lightning_1-bec7eb.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/grandma3/2-3/danger-of-electric-shock_21-0caaea.png)

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![](/img/grandma3/2-3/weee-6c4a5c.png)

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

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![ce\_and\_fcc](/img/grandma3/2-3/ce_and_fcc_1-557000.png)

Declaration of conformity. For more information see [Conformity](/grandma3/2-3/key_grandma3_onpc-rack_unit/):

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

Operating voltage ON/OFF.