Warning Safety Signs

Warning Safety Signs by Caledonia Signs - Trade Only Supplier

Warning safety signs play a crucial role in alerting people to potential hazards or dangerous conditions in the environment. These signs use distinctive shapes, colours (typically yellow and black), and symbols to quickly grab attention and communicate risk before an incident occurs. By providing early warnings, these signs help prevent accidents and injuries in workplaces, public spaces, and construction sites.

One key importance of warning safety signs is their ability to enhance situational awareness. When workers or visitors see a warning sign, they become more cautious and better prepared to navigate risks such as slippery floors, high voltage areas, or falling objects. This heightened awareness helps reduce careless mistakes and encourages safer behaviours.

Warning safety signs also support compliance with health and safety regulations. Many industries are legally required to display appropriate warnings about specific hazards to protect employees and the public. Proper signage helps organisations meet these legal obligations, avoid penalties, and demonstrate their commitment to safety.

Finally, warning safety signs contribute to effective communication across diverse groups. The use of standardised symbols and colours means that even people with limited language skills or literacy can understand the dangers present. This universal clarity is vital for maintaining safety in multicultural or high-traffic environments.


Refine Search


Warning - Danger of Crushing

Warning - Danger of Crushing Safety Signs

A "Warning - Danger of Crushing" sign is crucial for alerting workers and visitors to areas or machinery where there is a risk of being caught, squeezed, or crushed by moving parts or heavy equipment. This type of hazard can cause serious injuries, including broken bones, amputations, or even fatali..

Danger - Electric Shock Risk

Danger - Electric Shock Risk Safety Signs

Crucial for warning people about the presence of electrical hazards that could cause serious injury or even death, this electric shock risk sign alerts workers, visitors, and anyone nearby to be cautious around electrical equipment, wiring, or high-voltage areas. The sign helps prevent accidents by ..

Caution - Moving Machinery

Caution - Moving Machinery Safety Signs

"Caution – Moving Machinery" safety signs are vital for preventing accidents and ensuring workplace safety in environments where machinery with moving parts is in operation. These signs serve as clear visual warnings to alert workers, visitors, and contractors that they are entering or working near ..

Danger - 110 Volts

Danger - 110 Volts Safety Signs

An important safety warning used to alert people to the presence of electrical equipment or wiring operating at 110 volts. Although this voltage is lower than some industrial systems, it still poses a significant risk of electric shock, burns, or serious injury if handled improperly. The sign is des..

Caution - Slippery When Wet

Caution - Slippery When Wet Safety Signs

"Caution – Slippery When Wet" signs are essential for preventing slips, trips, and falls by warning people about surfaces that become hazardous when wet. These signs are typically placed near entrances, restrooms, kitchens, pool areas, or recently cleaned floors, anywhere moisture can make walking s..

Danger - 230 Volts

Danger - 230 Volts Safety Signs

Used to indicate the presence of electrical equipment or circuits operating at 230 volts, which is a common voltage level for residential and commercial electrical systems. Although this voltage is lower than some industrial supplies, it is still hazardous and capable of causing serious electric sho..

Danger - 240 Volts

Danger - 240 Volts Safety Signs

A vital warning to alert individuals about the presence of electrical equipment or wiring that operates at a high voltage of 240 volts. Electricity at this level is powerful enough to cause serious injury or death if mishandled or accidentally contacted. The sign’s bold and clear message is designed..

Danger - 400 Volts

Danger - 400 Volts Safety Signs

A critical electrical safety warning that indicates the presence of electrical equipment or circuits operating at a voltage level of 400 volts. This level of voltage is dangerous and can cause severe electric shock, burns, or even fatal injuries if proper safety precautions are not followed. The sig..

Danger - 415 Volts

Danger - 415 Volts Safety Signs

A critical safety warning used to alert individuals to the presence of high-voltage electrical equipment or wiring operating at 415 volts. This voltage level is commonly found in industrial and commercial electrical systems, such as three-phase power supplies used for heavy machinery, large motors, ..

Danger - 440 Volts

Danger - 440 Volts Safety Signs

Designed to alert individuals to the presence of electrical equipment or wiring operating at 440 volts, a voltage commonly used in industrial and commercial power systems. At this voltage level, electrical currents are strong enough to cause severe injury, including electric shocks, burns, or even f..

Danger - High Voltage

Danger - High Voltage Safety Signs

A critical safety warning used to alert people to the presence of electrical equipment or areas where dangerously high voltages exist. High voltage electricity can cause severe injury, electric shock, burns, or even death if proper precautions are not taken. The sign serves to clearly communicate th..

Danger - 6600 Volts

Danger - 6600 Volts Safety Signs

A crucial electrical safety warning indicating the presence of high-voltage equipment or circuits operating at 6,600 volts. This voltage level is extremely dangerous and can cause severe electric shock, burns, or fatal injuries upon contact. The sign serves to alert workers, contractors, and the pub..

Danger - 11000 Volts

Danger - 11000 Volts Safety Signs

An extremely important safety warning used to indicate the presence of very high-voltage electrical equipment or power lines operating at 11,000 volts (11 kV). This level of voltage is typical in electrical distribution networks and industrial power systems. Because such high voltage poses an immedi..

Danger - High Voltage Keep Away

Danger - High Voltage Keep Away Safety Signs

A critical safety notice designed to warn personnel and visitors that an area or equipment carries high-voltage electricity and must not be approached. The sign communicates the serious risk of electric shock, burns, or electrocution, emphasising the importance of maintaining a safe distance. This ..

Danger - Live Wires Overhead

Danger - Live Wires Overhead Safety Signs

A crucial safety warning used to alert people to the presence of energised electrical wires suspended above ground level. These overhead wires carry live electrical current and pose a significant risk of electric shock, burns, or fatal injury if touched or if equipment comes too close. The sign is d..

Danger - Buried Cable

Danger - Buried Cable Safety Signs

A vital safety warning used to indicate the presence of underground electrical cables beneath a specific area. These cables carry live electrical current and can pose serious hazards such as electric shock, burns, or even fatal injuries if accidentally damaged during digging, excavation, or construc..

Warning - High Voltage Cables Overhead

Warning - High Voltage Cables Overhead Safety Signs

An essential safety notice used to alert people to the presence of energised electrical cables suspended above ground level. These cables carry high voltage electricity and pose a serious risk of electric shock, burns, or fatal injury if touched or accidentally contacted by tall equipment, vehicles,..

Warning - High Voltage Cables Underground

Warning - High Voltage Cables Underground Safety Signs

A crucial safety notice used to alert workers, contractors, and the public to the presence of buried high-voltage electrical cables beneath the ground. These cables carry dangerous levels of electricity and pose a significant risk of electric shock, burns, or electrocution if accidentally struck or ..

Danger - Live Wires

Danger - Live Wires Safety Signs

A vital safety warning used to alert people to the presence of exposed or energised electrical wires that carry current. Live wires pose an immediate risk of electric shock, burns, or even fatal electrocution if touched or handled improperly. This sign helps prevent accidental contact by clearly com..

Warning - Drivers Beware Overhead Cables

Warning - Drivers Beware Overhead Cables Safety Signs

An important safety notice designed to alert vehicle operators to the presence of overhead electrical or communication cables along their route. These cables often run across roads, entrances, or construction areas and can pose serious risks, especially to tall vehicles such as trucks, cranes, or ve..

Warning - Arc Flash and Shock Hazard Appropriate PPE and Tools Required

Warning - Arc Flash and Shock Hazard Appropriate PPE and Tools Required Safety Signs

An arc flash is an explosive release of thermal energy including brilliant light, dangerous sound levels and sometimes a blast pressure wave. Numerous workers are injured and/or killed each year while working on energised equipment. Many of these casualties are a result of arc flash. Isolating the s..

Warning - Arc Flash and Shock Hazard De-energize unit Before Removing Cover

Warning - Arc Flash and Shock Hazard De-energize unit Before Removing Cover Safety Signs

An arc flash is an explosive release of thermal energy including brilliant light, dangerous sound levels and sometimes a blast pressure wave. Numerous workers are injured and/or killed each year while working on energised equipment. Many of these casualties are a result of arc flash. Isolating the s..

Warning - Arc Flash and Shock Hazard Do Not Open Without Appropriate PPE

Warning - Arc Flash and Shock Hazard Do Not Open Without Appropriate PPE Safety Signs

An arc flash is an explosive release of thermal energy including brilliant light, dangerous sound levels and sometimes a blast pressure wave. Numerous workers are injured and/or killed each year while working on energised equipment. Many of these casualties are a result of arc flash. Isolating the s..

Warning - Arc Flash and Shock Hazard Isolate before Opening Cover

Warning - Arc Flash and Shock Hazard Isolate before Opening Cover Safety Signs

An arc flash is an explosive release of thermal energy including brilliant light, dangerous sound levels and sometimes a blast pressure wave. Numerous workers are injured and/or killed each year while working on energised equipment. Many of these casualties are a result of arc flash. Isolating the s..

Warning - Electric Fence

Warning - Electric Fence Safety Signs

An important safety notice used to alert people to the presence of an electric fence in the area. Electric fences carry a high-voltage, low-current electrical pulse designed to deter animals or unauthorised individuals from crossing a boundary. While typically non-lethal, the electric shock from the..

Caution - Men Working On Equipment

Caution - Men Working On Equipment Safety Signs

Alert people that maintenance, repairs, or inspections are currently being carried out on machinery or equipment in the area. This warning helps prevent accidental interference, distractions, or entry into potentially hazardous zones where workers may be exposed to moving parts, electrical hazards, ..

Caution - this Equipment Must be Locked Out Prior to Servicing

Caution - this Equipment Must be Locked Out Prior to Servicing Safety Signs

The “Caution – This Equipment Must Be Locked Out Prior to Servicing” sign is crucial for protecting workers during maintenance and repair tasks. It clearly instructs that machinery must be completely shut down and locked out to prevent accidental activation, which could lead to serious injuries or e..

Caution - Locked Out for Safety

Caution - Locked Out for Safety Safety Signs

A “Caution – Locked Out for Safety” sign is essential for alerting everyone that equipment or machinery is currently locked out to protect workers during maintenance or repair. This clear warning prevents accidental use or startup, which could cause serious injury or damage. Displaying this sign he..

Danger - Equipment Locked Out - Do Not Operate

Danger - Equipment Locked Out - Do Not Operate Safety Signs

A “Danger – Equipment Locked Out – Do Not Operate” sign is critical for ensuring workplace safety by clearly warning that machinery or equipment is locked out and must not be used. This sign prevents accidental operation during maintenance or repair, which could lead to serious injuries or equipment..

Caution - Forklift Trucks Operating

Caution - Forklift Trucks Operating Safety Signs

A crucial safety warning used to alert pedestrians and other workers that forklift trucks are actively operating in the area. Forklifts are heavy machinery that can move quickly and carry large loads, creating potential hazards such as collisions, crushing injuries, or accidents if people are unawar..

Caution - Lock Out Devices Must be Removed By Authorised Personnel Only

Caution - Lock Out Devices Must be Removed By Authorised Personnel Only Safety Signs

The “Caution – Lock Out Devices Must Be Removed By Authorised Personnel Only” sign is essential for ensuring that lockout/tagout procedures are strictly followed in the workplace. It clearly communicates that only trained and authorised individuals are permitted to remove lockout devices, preventing..

Danger - Stop / Look / Listen - Beware of Trucks

Danger - Stop / Look / Listen - Beware of Trucks Safety Signs

A crucial safety warning designed to alert pedestrians and other road users to the presence of trucks operating in the area. Trucks can pose significant hazards due to their size, limited maneuverability, and blind spots, especially in busy industrial zones, loading docks, or construction sites. Thi..

Warning - Moving Traffic Beyond this Point

Warning - Moving Traffic Beyond this Point Safety Signs

Alert pedestrians and workers that they are approaching or entering an area where vehicles or machinery are actively moving. This warning helps increase awareness and caution, reducing the risk of accidents and collisions between pedestrians and vehicles. This sign is typically placed at the entran..

Warning - Moving Vehicles

Warning - Moving Vehicles Safety Signs

Used to caution pedestrians, workers, and visitors about the presence of vehicles in motion within a site or area. Its primary purpose is to reduce the risk of accidents and injuries by making people aware that vehicles may be operating nearby, requiring vigilance and safe behavior. This sign is ty..

Caution - Forklift Trucks Have Priority of Way in this Area

Caution - Forklift Trucks Have Priority of Way in this Area Safety Signs

Inform pedestrians and other vehicle operators that forklifts operating in the vicinity have the right of way. This warning helps to prevent collisions by making everyone aware that forklifts may be moving through the area and should be given priority. The main purpose of the sign is to enhance saf..

Danger - Stop / Look / Listen - Beware of Vehicles

Danger - Stop / Look / Listen - Beware of Vehicles Safety Signs

An essential safety warning used to alert pedestrians and workers to the presence of moving vehicles in the vicinity. This sign emphasises the need for individuals to stop, carefully observe their surroundings, and listen for approaching vehicles before proceeding, helping to prevent accidents in ar..

Warning - Moving Remote Operator Controlled Machines in this Area

Warning - Moving Remote Operator Controlled Machines in this Area Safety Signs

The hazards that people are exposed to from robots and machinery have traditionally been controlled by the use of guarding, interlocking and cordoning off areas. However, it is becoming increasingly commonplace to see personnel and remotely operated machinery working in closer physical proximity to ..

Warning - Remotely Operated Machinery

Warning - Remotely Operated Machinery Safety Signs

The hazards that people are exposed to from robots and machinery have traditionally been controlled by the use of guarding, interlocking and cordoning off areas. However, it is becoming increasingly commonplace to see personnel and remotely operated machinery working in closer physical proximity to ..

Warning - Remotely Operated Machinery May Move without Warning

Warning - Remotely Operated Machinery May Move without Warning Safety Signs

The hazards that people are exposed to from robots and machinery have traditionally been controlled by the use of guarding, interlocking and cordoning off areas. However, it is becoming increasingly commonplace to see personnel and remotely operated machinery working in closer physical proximity to ..

Caution - Mind the Step

Caution - Mind the Step Safety Signs

A practical safety warning used to alert people to changes in floor level, such as steps, staircases, or uneven surfaces that could cause trips or falls. This sign encourages individuals to be careful when walking, especially in areas where a step might be unexpected or poorly visible. It plays a ke..

Caution - Slippery Floor Surface

Caution - Slippery Floor Surface Safety Signs

Used to alert people that arc welding operations are taking place nearby. Arc welding involves intense electrical currents and produces bright, ultraviolet light, sparks, and hot metal fumes, all of which can pose serious risks such as burns, eye damage, fire hazards, and inhalation of harmful gases..

Caution - Trip Hazard

Caution - Trip Hazard Safety Signs

An important safety warning used to alert people to uneven surfaces, cables, debris, or other obstacles that could cause someone to trip and fall. Trip hazards are a common cause of workplace and public accidents, leading to injuries such as sprains, fractures, or bruises. This sign helps increase a..

Showing 1 to 42 of 382 (10 Pages)
Why get safety signs printed by Caledonia Signs?

Why get safety signs printed by Caledonia Signs?

1. Regulatory Compliance One of the primary reasons to have safety signs professionally printed is to ensure compliance with UK laws. The Health and Safety (Safety Signs and Signals) Regulations 1996 require that specific safety signs be used in workplaces to prevent accidents and injuries. Caledonia Signs understand these requirements and ensure your signs meet legal standards, including adherence to the BS EN ISO 7010 format for safety symbols. Adhering to the BS EN ISO 7010 format is crucial because it ensures safety signs are universally recognised and understood. The standard uses clearly defined symbols that have been tested for visibility and comprehension, making them effective even in high-stress situations or for individuals who do not speak the local language. This helps prevent accidents by enabling quick and correct responses to potential hazards. Many "pop up printers" don't fully understand the importance of ISO 7010. From a legal standpoint, compliance with ISO 7...>>> READ MORE >>>

Why you should work with Caledonia Signs

Why you should work with Caledonia Signs

Caledonia Signs are the number one choice for trade As a market leading UK supplier of safety signs, we provide our distributors with a vast range of innovative, cost effective and premium signs. Additionally, we offer a number of sales, marketing and technical support packages to help our distributors maximise their sales opportunities. Unlike many of our competitors, we manufacture only for sale through our distributor network. Caledonia Signs will never approach your customer base directly. Caledonia are committed to help our distributors maximise their sales opportunities We help our distributors in innovative ways and by being driven to provide the highest quality services. Caledonia Signs provide a online portal where our distributors can sign in, view cost and RRP pricing of all products, download marketing material and product data sheets, raise and instantly send purchase orders for us to process, and view your order history. We also provide workplace a...>>> READ MORE >>>

Signage Solutions: Avian Influenza & Animal Disease Control

Signage Solutions: Avian Influenza & Animal Disease Control

Take action! New signage to help prevent the spread of bird flu outbreaks across the UK With a growing number of reports relating to avian influenza outbreaks across the UK, biosecurity and disease prevention have become a growing concern for many businesses - particularly those in the farming, agriculture, and park / recreation industries. Although transmission to humans is currently low and primarily involves people in frequent contact with birds and poultry, it is important to be aware of the risks and to take the necessary precautions to minimise those risks. Inside is a range of signs and products which can help educate, inform and advise, and to encourage best practice in terms of hygiene and safety. Avian Influenza primarily affects birds, however some strains can infect other animals, including domestic pets such as cats and dogs, especially if they come into contact with infected birds or contaminated environments. Exposure to environments contaminated wit...>>> READ MORE >>>

Stress Awareness Month

Stress Awareness Month

Stress Awareness Month: Leading with Love and Support With Stress Awareness Month fast approaching, now is the perfect time to remind our distributors of the wide range of health and wellbeing posters we offer. These resources are designed to reduce stigma and encourage healthier lifestyles and workplaces. Whether you’re in the fire and security industry or a PPE supplier, Caledonia believes that fostering inclusion and understanding in staff rooms, site offices, or waiting areas is crucial. These spaces can become catalysts for important conversations, inspiring both staff and the public to take simple steps to improve their well-being. Stress in the UK: A Growing Concern Stress is a significant issue across the UK, with 74% of people reporting that stress has made them feel overwhelmed and unable to cope (YouGov, 2018 for the Mental Health Foundation). Stress Awareness Month is a time to acknowledge the profound impact stress can have on our lives and, just as imp...>>> READ MORE >>>