Last Updated July 2026
If you've shopped for commercial kitchen equipment, you've probably noticed a small logo stamped somewhere on the spec sheet or the unit itself: ETL. It shows up on everything from tandoors and ranges to refrigerators and dishwashers, and for good reason. It's one of the most important things to check before you buy, right alongside price and capacity. Here's what it actually means, and why it's worth paying attention to.
What Is ETL Certification?
ETL stands for Electrical Testing Laboratories, a name with roots going back to 1896, when Thomas Edison founded it to independently test his own inventions, starting with light bulbs. Today, the ETL mark is owned and administered by Intertek, a global testing and certification company, and it's used to certify all kinds of products, not just electronics.
When a piece of equipment carries the ETL Listed mark, it means Intertek has independently tested it against recognized North American safety standards covering electrical, mechanical, and in many cases gas-related hazards. The manufacturer doesn't get to self-certify. An outside lab actually puts the equipment through testing before the mark can be applied.
Is ETL the Same as UL?
Functionally, yes. Both ETL and UL (Underwriters Laboratories) are Nationally Recognized Testing Laboratories, a designation granted by OSHA. That means both are authorized to test products against the exact same set of recognized safety standards. Neither one is a "lesser" certification than the other. The difference is simply which company performed the testing: Intertek issues the ETL mark, while UL Solutions issues the UL mark.
| Certification | Issued By | What It Confirms |
|---|---|---|
| ETL Listed | Intertek | Electrical, mechanical, and gas safety, tested to UL/ANSI/CSA standards |
| UL Listed | UL Solutions | Same category of safety standards as ETL, different testing organization |
| ETL Sanitation | Intertek | Hygienic design and cleanability, aligned with NSF standards |
| NSF Certified | NSF International | Sanitation and food-contact safety of materials and design |
| CSA | Canadian Standards Association | Safety compliance for the Canadian market, sometimes dual-listed with US marks |
Local health and fire inspectors are generally familiar with both ETL and UL marks and accept either during inspections, though it's always worth double-checking with your local jurisdiction if you're unsure.
Why ETL Certification Matters for Restaurant Owners
It's often required, not optional. Many local building and health codes require commercial kitchen equipment to carry an independent safety certification like ETL or UL before it can legally be installed and used. Buying uncertified equipment can mean failing an inspection before you ever open your doors.
It affects your insurance. Insurance providers frequently look for ETL or UL marks when underwriting a restaurant's policy, and using certified equipment can reduce liability risk and, in some cases, qualify for better rates.
It reduces real safety risks. Commercial kitchens combine high heat, gas lines, water, and heavy electrical loads in a small space. ETL testing checks for the kinds of failures that actually cause kitchen fires, electrical shocks, and equipment breakdowns, not just theoretical risks.
It's a mark of manufacturing consistency. ETL certification isn't a one-time check. Manufacturing facilities are subject to ongoing audits to confirm that production continues to match what was originally tested and certified, so an ETL mark on a unit built this year means roughly the same thing it meant on a unit built five years ago.
It smooths out the buying process. Health inspectors, fire marshals, and even landlords reviewing a build-out will often ask for proof of certification before signing off. Having it upfront avoids delays.
What to Check When Buying Equipment
- Look for the actual ETL or UL mark on the unit itself, not just in the product description.
- For equipment that touches food directly, check for an ETL Sanitation or NSF mark in addition to the electrical/safety listing, since these cover different things.
- If a listing claims certification but you can't find the mark on the unit or in Intertek's public directory, treat that as a red flag, particularly with unfamiliar or off-brand equipment.
- Confirm the certification covers the specific model and voltage you're buying, not just the product line in general.
Frequently Asked Questions
What does ETL certified mean on kitchen equipment?
It means the equipment has been independently tested by Intertek and found to meet recognized North American safety standards for electrical, mechanical, and often gas-related hazards.
Is ETL certification as good as UL certification?
Yes. Both are issued by OSHA-recognized Nationally Recognized Testing Laboratories and certify products to the same underlying safety standards. The difference is simply which lab performed the testing.
Do I legally need ETL certified equipment in my restaurant?
In most jurisdictions, yes, at least for equipment involving electrical or gas components. Local building and health codes commonly require an independent safety certification like ETL, UL, or CSA before equipment can be installed and used commercially.
Does ETL certification cover food safety and sanitation?
Not on its own. The standard ETL Listed mark covers electrical and mechanical safety. Sanitation and food-contact safety are typically covered separately by an ETL Sanitation mark or NSF certification, so it's worth checking for both on equipment that directly touches food.
Nishi Enterprise carries ETL certified equipment across our tandoor, cooking, and refrigeration lines, including our ETL Certified Shaan Tandoor. If you're not sure what certification a specific unit carries, reach out to our team before you order.
