Keysight N9927-90001 User’s Guide                                                            583
Safety Considerations
Packaging Markings
Packaging Markings
AC/DC Adapter Markings
This symbol on all primary and secondary packaging indicates compliance to 
China standard GB 18455–2001.
The UL Marks are registered certification marks of Underwriters Laboratories Inc. 
(UL). It means that UL has tested and evaluated representative samples of that 
product and determined that it meets UL's safety requirements. When 
accompanied by a 'C' and 'US', it indicates compliance to both Canadian and US 
requirements.
NOM Mark (Normality of Mexico) indicates that the product was tested by an 
accredited laboratory in Mexico and meets Mexico’s safety requirements.
Japan’s safety and EMC compliance mark.
China’s safety and EMC compliance mark.
Taiwan’s safety and EMC compliance mark.
Singapore’s safety mark.
Korean Certification (KC) mark; includes the marking’s identifier code which 
follows the format: KCC-REM-YYY-ZZZZZZZZZZZZZZ or 
MSIP-REM-YYY-ZZZZZZZZZZZZZZ
GOST, Russia’s safety and EMC mark.