Metal High Voltage Sign | Electrical Substations

Unrestricted access to electrical switchrooms or transformer bays creates a significant liability for any site manager. This High Voltage/Authorised Personnel Only sign provides a clear, immediate visual barrier that prevents untrained staff or visitors from entering high-risk zones. It is a necessary addition to the safety signs layout in industrial workshops, plant rooms, and utility substations where electrical hazards are present.

By installing this signage at eye level on entry doors or perimeter fencing, you reduce the risk of accidental contact with live equipment. The bold lettering ensures that the restriction is visible from a distance, meaning personnel are alerted to the danger before they cross the threshold. Because it is constructed from metal, the sign withstands the rigours of a heavy industrial environment, resisting the wear and tear that typically degrades plastic alternatives in high-traffic areas. This durability ensures the warning remains legible for longer, reducing the need for frequent replacements.

This specific unit is manufactured from metal and measures 600x400mm. These dimensions provide a substantial footprint for maximum visibility across the worksite.

Features

• High Voltage and Authorised Personnel Only messaging
• Constructed from durable metal
• Designed to control access to hazardous zones
• Suitable for industrial and commercial environments

Specifications