Q. I have a question on a luminaire cut sheet that indicates the luminaire (LED disc light) conforms with UL ...

What type of copper conductors and copper-clad aluminum connectors are Certified (Listed) for terminating copper-clad aluminum conductors? ...

What UL resources are available on UL.com to assist code authorities in doing plan reviews and inspections? ...

UL does Certify (List ) pods in many different configurations from sleeping pods to office pods/meeting rooms. UL investigates pods ...

Why is PV rapid shutdown so important? What is the difference between PV rapid shutdown equipment (PVRSE) and a PV ...

We are using the 2017 National Electrical Code© (NEC©) in my jurisdiction and are encountering installers using Certified (Listed) photovoltaic ...

Is there a UL Standard for plant oil extraction equipment, and does UL Certify (List) this type of equipment? ...

The 2020 National Electrical Code© (NEC©) contains many changes regarding the use and limitations of reconditioned or rebuilt equipment. How ...

I have seen Listed LED tube lamps that incorporate a battery backup. Can they be used as emergency lighting or ...

To address the need for cord-and-plug-connected multiple receptacle devices to provide power to medical equipment in patient care areas of ...