US field inspections and Canada special inspections

Ensuring compliance with NFPA 79, NFPA 70, UL 508, and other safety standards is essential for industrial machinery and electrical equipment manufacturers. At TÜV SÜD, we specialize in Field Evaluations, UL Certifications, and Field Labeling, helping manufacturers, OEMs, and integrators achieve Nationally Recognized Testing Laboratory (NRTL) certification with minimal delays.

Our nationwide team of expert engineers provides on-site evaluations to assess and certify equipment for NFPA 79 compliance, UL 508 approval, and overall safety conformity. We support you at every stage—from design review and pre-inspection to final evaluation and labeling—ensuring fast approvals and compliance with local Authorities Having Jurisdiction (AHJs).

We guide you through every step to achieve NRTL compliance and UL certification efficiently:

1. Electrical design review & gap analysis

• Early assessment of electrical and safety designs
• Identification of potential compliance gaps before fabrication
• Guidance on meeting NFPA 79, UL 508, and NEC (National Electrical Code) requirements

2. On-site control panel pre-inspection

• On-site evaluation of electrical panels, control systems, and machinery
• Verification against NFPA 79 industrial machine standards, UL 508 control panel requirements, and other safety standards
• Preemptive resolution of non-compliance issues to prevent project delays

3. Final NRTL field evaluation & affixing the TÜV SÜD label

• Comprehensive NRTL field evaluation and labeling for regulatory approval
• Performance testing to confirm adherence to UL 508, NFPA 79, and other UL standards
• Issuance of the TÜV SÜD Field Evaluation Label, demonstrating compliance with nationally accepted safety codes

Accelerate your UL certification turnaround time

With more engineers in more locations than any other field evaluation provider, TÜV SÜD delivers the fastest field evaluation services available. We conduct over 3,000 field evaluations annually, ensuring rapid UL certification, NFPA 79 approval, and field labeling to keep your projects on track.

Your compliance experts for NFPA 79 & UL 508

Our expertise spans a wide range of electrical and industrial safety standards, including:

• NFPA 79: Ensures the safe electrical design of industrial machinery, mitigating fire and shock hazards.
• UL 508: Governs the safety of industrial control panels, ensuring proper construction and safe operation.
• NRTL Certification: Third-party verification of electrical equipment for compliance with OSHA and NEC codes.

• Complete Compliance Support – From design review to field labeling
• Fast, Nationwide Service – Largest field evaluation team in North America
• Trusted by AHJs – Recognized for UL certification and NRTL evaluations
• Global Safety Expertise – Over 3,000 field evaluations conducted annually

Need a fast UL Field Evaluation? Contact TÜV SÜD today to schedule your NFPA 79, UL 508, or NRTL certification evaluation.

For detailed information on certifying industrial control panels, visit our UL 508 page. To ensure the safe electrical design of machinery, see our NFPA 79 and NFPA 70 pages. Learn about product testing and certification on our Nationally Recognized Testing Laboratories (NRTLs) page.