ETL and WH mark spotlight 

The ETL Listed Mark is the fastest growing certification mark in North America, widely accepted by AHJs and building code officials.

Intertek's Warnock Hersey (WH) Mark has long been the building product industry's preferred certification mark, found on more than 6,500 products ranging from fire doors to plumbing and construction products.

View our global Certifications and Marks


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Field Labeling

Intertek can quickly and cost-effectively expedite the field labeling process to secure the approval of your local or state inspector.

When an inspector or building official “red tags” an unlabeled product, that product may not be operated until all applicable product safety requirements have been met. Intertek performs field labeling services of unlabeled electrical/gas equipment, fire doors and frames, and windows. In fact, we can provide NEXT DAY SERVICE to most areas of the U.S. and Canada.

Intertek is recognized throughout North America for field evaluation services and recognized by OSHA (as an NRTL), ANSI and the model building code agencies for product safety certification.

Electrical and Gas Powered Products
Intertek will evaluate your product quickly, and assist you in obtaining approval of Authorities Having Jurisdiction (AHJs). With 15 offices across the U.S., we’ll quickly respond to your field labeling request. Once your equipment is found to be in compliance, the ETL Field Evaluated label will be applied. The ETL Field Evaluated Mark tells inspectors that your product complies with nationally accepted standards. It will also reflect your unique serial number that is recorded in your report. If you have a question regarding your equipment, your serial number enables us to access your information quickly. For immediate assistance, call our hotline at 1-888-ETL-MARK.

Special Inspections in Canada
Intertek offers NEXT DAY Special Inspections to SPE-1000 for Electrical Equipment in Canada. Products found to comply with SPE-1000 are labeled on the spot with the ETL Mark. For immediate assistance, call our hotline at 1-888-ETL-MARK.

Sanitation Testing
Intertek also provides field labeling of unlabeled food service equipment in restaurants, hotels and other establishments. We can label your food equipment for sanitation and/or safety.

Fire Doors, Frames, and Windows
Intertek’s provides field labeling service of unlabeled fire doors, frames and windows. By having your fire doors or openings labeled with our Warnock Hersey (WH) Mark prior to inspection, inspectors can review their checklist and provide you with a state of readiness for your facility. Learn more about Field Labeling of Fire Doors.


to see how Intertek can help your organization with Field Labeling.