TL;DR
ETL listing is product-safety certification from Intertek's Electrical Testing Labs, an OSHA-recognized Nationally Recognized Testing Laboratory whose mark carries the same code acceptance as UL — the product was tested to the identical UL or ANSI standards. Inspectors and AHJs accept the ETL mark on fixtures, appliances, water heaters, and tools wherever a listing is required.
What it means
ETL listing is product-safety certification from Intertek's Electrical Testing Labs, an OSHA-recognized Nationally Recognized Testing Laboratory whose mark carries the same code acceptance as UL — the product was tested to the identical UL or ANSI standards. Inspectors and AHJs accept the ETL mark on fixtures, appliances, water heaters, and tools wherever a listing is required. The mark on the label cites the standard the product met, which matters when an inspector questions unlisted or gray-market equipment.
Where it sits in the glossary
ETL listing is part of the Certifications group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
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