ALARM DOOR DO NOT OPEN SIGN Material:Aluminium (Metal) They are crucial in public

They are crucial in public spaces such as offices

It warns people to unplug the device before attempting to open it to avoid the risk of electrical shock or burns

and industrial workplaces

or machinery

and reduces costly clean-up efforts

ALARM DOOR DO NOT OPEN SIGN Material:Aluminium (Metal) They are crucial in publicALARM DOOR DO NOT OPEN SIGN is a safety warning sign used to inform people that a door is connected to an alarm system and must not be opened unless authorised. This sign helps prevent false alarms, security breaches, unauthorised access, and disruption to building safety systems. It is commonly used on emergency exits, security doors, alarmed doors, restricted areas, commercial buildings, warehouses, offices, schools, hospitals, industrial sites, and