Tag: UL Question Corner

Ultraviolet-C (UVC) Germicidal Products Guide

UL Question Corner: Ultraviolet-C (UVC) Germicidal Products Guide, MCC lineups, and UL Product iQ Webinar

Does UL Certify (List) UVC germicidal products, and is there some ...

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PV system on residential dwelling

UL 3741 PV Hazard Control Systems and Temporary Lighting Strings

What is the status of UL 3741, and are there any ...

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UL Certify (List) electric vehicle (EV)

Does UL Certify (List) electric vehicle (EV) chargers that allow an EV owner to back-feed the electrical system on their house and how do I identify one?

Does UL Certify (List) electric vehicle (EV) chargers that allow an ...

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Certified Residential Use Energy Storage Systems

Certified Residential Use Energy Storage Systems

The intent of the 2018 IRC Section R327.2 is that energy ...

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Clothes Closet Storage Space Luminaires and Reconditioned Equipment Certification

Q. I have a question on a luminaire cut sheet that ...

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Figure 1. Electrical equipment should be installed, operated, serviced, and maintained only by properly trained and qualified personnel.

Inspection Resources for Code Authorities

What UL resources are available on UL.com to assist code authorities ...

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2020 NEC Code Correlation Search and PV Rapid Shutdown Equipment and Systems

Why is PV rapid shutdown so important? What is the difference ...

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Photo 1. Solar installations dominate the landscape

Can PV Inverters Be Used with Battery Energy Storage Systems?

We are using the 2017 National Electrical Code© (NEC©) in my ...

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Plant Oil Extraction Equipment. Courtesy of Delta Separations

Plant Oil Extraction Equipment

Is there a UL Standard for plant oil extraction equipment, and ...

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UL Question Corner

Reconditioning and UL Certification

The 2020 National Electrical Code© (NEC©) contains many changes regarding the ...

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