What Happens to Projected Markings During a Power Cut?
Projection markings, a fantastic innovation for workplace safety signage. As great as projection markings are, one of the common concerns we hear is:
“What happens to projected markings if there’s a power failure?”
If you’re considering projected markings for walkways or hazard markings, this might be something you’re wondering about. Ensuring warehouse safety in every situation is critical, and while projected markings offer excellent visible safety signage, their reliability during a power outage is an important consideration.
The Role of Projected Markings

Projected markings are designed to enhance safety warnings and markings and create an active safety warning system. Unlike paint or tape, which can fade or peel, projectors provide clear and dynamic safety messaging. Whether it’s pedestrian crossings, walkways, stop signals, or hazard warnings, these projected markings help proactively prevent accidents and ensure compliance with safety in the workplace regulations.
However, like any powered system, projectors need a reliable energy source. Without proper contingency plans, a sudden power loss can cause these vital safety indicators to vanish when they are needed.
Key Components of Projected Markings

Projected markings are widely used in industrial settings for safety communication. Each projector typically consists of:
- Control unit – the core system that manages the projection.
- Projector & Lens (Gobo) – responsible for creating the projected image.
- Motion sensor or movement detector – making the projection interactive.
- Motion sensor or movement detector – making the projection interactive.
These features ensure that warning signs, walkways, and hazard markings are visible and responsive to movement, enhancing workplace safety.
What Happens to Projected Markings During a Power Outage?
Standard projectors depend on an external power supply. In the event of a power cut, they will stop functioning unless a backup solution is in place. This is especially concerning for high-risk areas where safety depends on real-time visibility.
Some workplaces may think traditional markings like floor tape or painted lines offer an advantage during blackouts, but these solutions also become harder to see in poor lighting conditions. Having a backup system for projected markings ensures continued safety regardless of power disruptions.
How to Keep Your Projected Markings Running in a Blackout
To ensure continuous visibility when power is lost, there are two reliable backup solutions that ensure projected safety signage remains functional in any situation.
1. UPS Systems [uninterruptible power supply]
One of the most effective ways to keep your projector running during a power outage is to connect it to a UPS (Uninterruptible Power Supply). This battery backup automatically activates when the main power supply fails, ensuring uninterrupted projection. The batteries also recharge when power is restored, ensuring long lifespan and readiness for future use.
2. Generator Connection
Another option is connecting projectors to an emergency generator. This method ensures that your most critical safety projectors remain operational even during extended power outages.
Choosing the Right Projected Markings for Your Workplace





Not every projected marking needs to stay on during a power failure, so prioritising essential safety projections is key to a cost-effective solution. Identifying the most critical markings – such as emergency exits, pedestrian walkways, and high-risk warning zones – can help determine the best backup system for your safe workplace.
If you’re looking to implement a reliable projected marking system that remains visible in all conditions, WSS-EU.com can provide expert guidance and tailored solutions.
Contact us today to discuss more.
Back to blog“To ensure continuous visibility, there are two reliable backup solutions that ensure projected markings remain functional in any situation.”
If you’re looking to implement a reliable projected marking system that remains visible in all conditions, WSS provide expert guidance and tailored solutions.
Contact UsWhat Happens to Projected Markings During a Power Cut?