What is cLOTO? Connected Lockout Tagout Explained

What is cLOTO?

Connected Lockout/Tagout (cLOTO) is a digital lockout/tagout management system developed by Master Lock that replaces traditional paper-based LOTO procedures with a centralized desktop portal and mobile applications. The system helps organizations improve worker safety, simplify OSHA compliance, standardize lockout procedures, and create a complete digital audit trail for every lockout event.

By providing real-time visibility into maintenance activities, digital workflows, QR code verification, and automated reporting, cLOTO makes Lockout/Tagout programs more efficient, accurate, and accountable across industrial facilities of all sizes.

Why Organizations Are Moving to Digital Lockout/Tagout

Traditional paper-based Lockout/Tagout programs are effective, but they can be difficult to manage consistently across multiple employees, departments, or facilities. Signs your lockout/tagout program needs a digital transformation include:

• LOTO procedures vary between jobsites or facilities
• Employee training and authorization records are difficult to manage
• OSHA audit preparation takes excessive time and resources
• Communication delays create workplace safety risks
• Paper documentation leads to errors, missing records, or outdated procedures

Connected Lockout/Tagout (cLOTO) addresses these common challenges by digitizing the entire process, making lockout/tagout procedures easier to follow, monitor, and document. With cLOTO, Lockout/Tagout has never been safer or easier to manage. cLOTO provides your organization with the ability to trace every step of the LOTO process through real-time updates on ongoing procedures, ensuring full accountability for workers and managers throughout your facility.

Frequently Asked Questions About cLOTO

What does cLOTO stand for?

cLOTO stands for Connected Lockout/Tagout, a digital system that helps organizations manage Lockout/Tagout procedures using desktop software and mobile applications instead of paper documentation.

What is the purpose of cLOTO?

The purpose of cLOTO is to improve worker safety while simplifying Lockout/Tagout management. The platform digitizes LOTO procedures, tracks every step in real time, creates automatic audit trails, and improves accountability for maintenance personnel and supervisors.

How is cLOTO different from traditional Lockout/Tagout?

Traditional Lockout/Tagout relies on paper procedures, handwritten logs, and manual documentation. cLOTO digitizes the entire process by providing:

• Real-time procedure tracking
• Mobile applications for workers and managers
• Digital work instructions
• QR code verification
• Automatic reporting
• Electronic audit trails
• Centralized compliance records

Does cLOTO help with OSHA compliance?

Yes. cLOTO is designed to support compliance with OSHA's Control of Hazardous Energy (Lockout/Tagout) standard by providing standardized procedures, digital documentation, complete audit trails, and real-time visibility into active lockout activities.

What industries use cLOTO?

Connected Lockout/Tagout is ideal for organizations that maintain industrial equipment, including manufacturing, food & beverage, pharmaceutical, chemical processing, warehousing & distribution, utilities, oil & gas, automotive, aerospace, and metalworking.

What are the benefits of a digital Lockout/Tagout system?

A digital Lockout/Tagout system offers several advantages over paper-based programs:

• Improved worker safety
• Faster equipment maintenance
• Better OSHA compliance
• Automated recordkeeping
• Easier audits
• Real-time visibility
• Increased accountability
• Standardized procedures
• Better maintenance analytics
• Reduced downtime

What hardware is compatible with cLOTO?

cLOTO works with Master Lock mechanical safety padlocks, including Zenex® Thermoplastic Safety Padlocks (Master Lock Series 406, 410, 411, S31, S32, and S33) and Anodized Aluminum Safety Padlocks (Master Lock Anodized Series A1106 and S1106), as well as Bluetooth-enabled Safety Padlock 4400 Series models. Each lock is uniquely identified using QR-coded serial numbers for complete traceability. When utilizing mechanical safety padlocks, use the “QR1” modifier code to include cLOTO compatible QR codes with the padlock. (example: 410KABLULZ1QR1)

Does cLOTO require Wi-Fi?

Yes. To maximize the benefits of cLOTO—including real-time updates, mobile access, and digital reporting—facilities should have reliable Wi-Fi or cellular connectivity throughout the workplace.

Can cLOTO be used across multiple facilities?

Yes. cLOTO is scalable for organizations ranging from a single manufacturing plant to enterprise-level operations with multiple facilities. The centralized platform helps standardize Lockout/Tagout procedures across every location.

How does cLOTO improve maintenance operations?

In addition to improving worker safety, cLOTO provides maintenance managers with valuable operational data, including:

• Lockout duration
• Equipment downtime
• Maintenance frequency
• Recurring equipment issues
• Procedure completion history

These insights help organizations identify bottlenecks, reduce downtime, and continuously improve maintenance efficiency.

cLOTO Challenges and Considerations

Reliable Wi-Fi connectivity is essential for cLOTO

Before implementing cLOTO, evaluate whether your facility's network infrastructure can support the platform. Because cLOTO relies on real-time communication between desktop and mobile applications, stable and accessible Wi-Fi or cellular connectivity throughout the facility is critical. Without a dependable Internet connection, workers and supervisors cannot take full advantage of live LOTO updates, digital procedures, and instant access to equipment information. Ensuring reliable network coverage is a key first step toward a successful implementation.

Transitioning to cLOTO requires planning and training

Moving to an electronic Lockout/Tagout program involves an initial setup effort. Equipment, locks, and authorized users must be registered within the cLOTO system, while existing LOTO procedures need to be digitized and uploaded. Employees will also require training on the new workflow, and effective change management is essential to ensure a smooth transition and encourage user adoption across the organization.

Bluetooth-enabled padlocks require ongoing battery management

Facilities that choose to incorporate Master Lock Bluetooth-enabled Safety Padlocks into their cLOTO program should establish a maintenance plan for monitoring battery life and scheduling replacements. Proper battery management helps ensure locks remain operational and prevents unexpected disruptions during critical Lockout/Tagout procedures.

Conclusion

Lockout/Tagout is one of the most critical workplace safety programs for protecting employees from hazardous energy, but traditional paper-based processes can create unnecessary delays, inconsistent procedures, and administrative burdens that impact both safety and productivity. By digitizing your Lockout/Tagout program, Master Lock's cLOTO solution helps organizations standardize procedures, improve OSHA compliance, increase worker accountability, and provide complete visibility into every lockout event through real-time tracking and automated audit trails.

Whether you're managing a single facility or multiple locations, cLOTO simplifies Lockout/Tagout management while providing the data and insights needed to continuously improve maintenance operations, reduce downtime, and strengthen your facility's safety culture. If your organization is looking to modernize its Lockout/Tagout program with a connected, digital solution, cLOTO delivers the tools to help make every procedure safer, faster, and more efficient.

Ready to modernize your Lockout/Tagout program? Contact the A&M Industrial safety team to learn how Master Lock cLOTO can help your facility improve compliance, streamline maintenance workflows, and create a safer workplace.