Warning Signs

Hazard Safety Signs warn employees, visitors and contractors about potential dangers within the workplace. Also known as warning signs, hazard warning signs or danger signs, they help identify risks before accidents occur and play a vital role in workplace safety management.

These signs are widely used in factories, warehouses, construction sites, workshops, schools, hospitals, utilities, commercial premises and public buildings where hazards need to be clearly communicated.

Typical installation locations include machinery areas, electrical rooms, chemical storage facilities, loading bays, construction zones, plant rooms, restricted access areas and workplace entrances.

Available in self-adhesive vinyl, rigid plastic, aluminium and selected photoluminescent materials, many of our hazard safety signs are manufactured in the UK for excellent visibility, durability and long-term performance.

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Subcategories

Hazard Warning Signs
Hazard Warning Signs
Workplace Warning Signs
Workplace Warning Signs
Industry Warning Signs
Industry Warning Signs
Overhead & Head Clearance Signs
Overhead & Head Clearance Signs
Construction & Site Safety Signs
Construction & Site Safety Signs
Roof & Height Safety Signs
Roof & Height Safety Signs
Warning Site Entrance Sign

Warning Site Entrance Sign


Warning Site Entrance Sign clearly alerts workers, visitors and drivers to potential hazards at site entry points and helps improve workplace safety awareness.
• Warns individuals of potential hazards when approaching or entering designated work sites.
• Ideal for construction sites, industrial premises, site access gates, building projects and active work zones.
• Bold black lettering and a recognisable warning triangle on a yellow background provide clear visibility.
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm).
• Helps reinforce site entrance hazard awareness and encourages workers, visitors and drivers to exercise caution.
£6.75
Danger Of Death High Voltage Electrical Hazard Sign

Danger Of Death High Voltage Electrical Sign

Clearly warns people of potentially fatal electric shock from high voltage sources to help prevent serious injury or death.
• Alerts people to dangerous high voltage electrical hazards
• Suitable for electrical rooms, substations, plant areas and restricted zones
• Bold yellow and black design provides high visibility and instant recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce electrical safety awareness around high voltage hazards
£2.26
Warning Site Traffic safety sign with warning hazard symbol

Warning Site Traffic Sign

Warn staff, visitors and drivers of moving site traffic with this highly visible warning safety sign.
• Alerts people to the presence of moving site traffic
• Suitable for construction sites, industrial yards and loading areas
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps reduce accidents by increasing awareness of vehicle movement
£8.50
Mains Switch Electrical Hazard Sign

Mains Switch Electrical Sign

Clearly identifies the location of a mains electrical switch while warning people of the associated electrical hazard.
• Indicates the presence and location of a mains electrical switch
• Suitable for plant rooms, electrical cupboards and commercial premises
• High-contrast yellow and black design provides clear visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps improve safety awareness around electrical control points
£2.26
Danger Overhead Cables Height Limit electrical warning sign with electrical hazard symbol

Danger Overhead Cables Height Limit Electrical Sign

Warn staff, contractors and visitors of overhead electrical cables and height restrictions with this highly visible danger sign for hazardous environments.
• Alerts people to overhead cable hazards and height restrictions
• Suitable for construction sites, industrial areas and access routes
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps reduce the risk of vehicles or equipment striking live overhead cables
£10.38
Danger Overhead Live Wires electrical warning sign with electrical hazard symbol

Danger Overhead Live Wires Electrical Sign

Warn staff, contractors and visitors of hazardous overhead live electrical wires with this highly visible danger safety sign.
• Alerts people to the presence of overhead live electrical hazards
• Suitable for construction sites, industrial areas and outdoor work zones
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reduce the risk of accidental contact with live electrical wires
£5.72
Danger Overhead Cables Electrical Sign with electrical hazard symbol and yellow and black design

Danger Overhead Cables Electrical Sign

Clearly warns people of dangerous overhead electrical cables to help reduce the risk of accidental contact with live electrical hazards.
• Alerts people to overhead electrical cable hazards
• Suitable for construction sites, industrial areas and outdoor work zones
• High-contrast yellow and black design provides clear visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps improve electrical safety awareness and reduce the risk of accidental contact with live cables
£5.72
Danger High Voltage Cables Overhead electrical warning sign with electrical hazard symbol

Danger High Voltage Cables Overhead Electrical Sign

Warn staff, contractors and visitors of dangerous overhead high voltage cables with this highly visible electrical hazard sign.
• Alerts people to the presence of overhead high voltage cables
• Suitable for construction sites, industrial areas and utility zones
• High-visibility yellow and black design for clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reduce the risk of accidental contact with live electrical cables
£5.72
Danger Switchgear Electrical Hazard Sign

Danger Switchgear Electrical Sign

Clearly warns people of dangerous electrical switchgear to help reduce the risk of serious injury or electrical accidents.
• Alerts people to the presence of dangerous electrical switchgear
• Suitable for plant rooms, electrical substations and industrial facilities
• High-contrast yellow and black design provides clear visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce electrical safety awareness around switchgear and high-voltage equipment
£2.26
Electrical Cupboard No Unauthorised Access Keep Door Locked Sign

Electrical Cupboard Sign

Clearly identifies an electrical cupboard, restricts unauthorised access and instructs people to keep the door locked.
• Warns of an electrical hazard while reinforcing restricted access and door security
• Suitable for electrical cupboards, plant rooms and maintenance areas
• High-contrast yellow, red and blue sections with clear symbols provide quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps prevent unauthorised access and supports safer control of electrical areas
£4.07
Danger High Voltage No Admittance Authorised Personnel Only safety sign with electrical hazard and prohibition symbols

Danger High Voltage - No Admittance Authorised Personnel Only Sign

Warn of high voltage hazards and restrict access to authorised personnel only with this highly visible combined danger and prohibition safety sign.
• Clearly warns of electrical danger and restricted access
• Ideal for plant rooms, electrical areas and restricted zones
• High-visibility yellow, black and red design for clear recognition
• Available in Aluminium Composite (3mm), Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps prevent unauthorised entry and reduce the risk of electrical injury
£4.07
Danger Battery Charging Sign with yellow and black warning symbol

Danger Battery Charging Sign

Warns staff and visitors of battery charging hazards, helping improve safety awareness and reduce risks in designated charging areas.
• Warns people of hazards associated with battery charging areas
• Suitable for warehouses, workshops, plant rooms and maintenance areas
• High-contrast yellow and black warning design provides strong visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps improve safety awareness and reduce risks in charging zones
£2.26