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  • Public Notice

UL Warns of Potentially Hazardous AC Plug Adapter (Release 17PN-03)

May 11, 2017

NORTHBROOK, Ill., May 11, 2017 — The following is a notification from UL that the AC plug adapter identified below may pose an electric shock hazard. This plug adapter does not comply with UL’s Safety Standards and is not authorized to bear the UL Mark for the United States or Canada.

Name of Product:
AC Plug Adapter, Model LS055A


Dates of Manufacture:
June 2016 – December 2016

The plug face may separate from the adapter body, exposing live parts and posing a risk of electric shock.

On the product, this AC Plug Adapter bears a UL Mark and the following:

Counterfeit UL mark            
AC 15A
125V 60 Hz

On the packaging:
Grounded AC Plug Adapter
Converts 2 prong AC outlets to 3 prong plugs


Counterfeit UL markCounterfeit UL mark

Known to be sold at: 
Known to be sold through, may have been sold by others.

About UL
UL is a premier global independent safety science company that has championed progress for more than 120 years. Its nearly 11,000 professionals are guided by the UL mission to promote safe working and living environments for all people. UL uses research and standards to continually advance and meet ever-evolving safety needs. We partner with businesses, manufacturers, trade associations and international regulatory authorities to bring solutions to a more complex global supply chain. For more information about our certification, testing, inspection, advisory and education services, visit

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