- EN (European Norm)

Harmonizing with IEC standards, EN has added requirements for strict electrification measures for pan-European regions. For international trades in European countries and the ones between Europe and Japan/North America, products to be imported or exported should be already certified by EN. CE marking is mandatory for 12 types of industrial products of which safety is critically required. To affix CE marking, those industrial products should meet all relevant EU directives (corresponding to regulations in 18 countries).

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- UL (Underwriters Laboratories Inc.)

UL is an independent product safety certification organization founded by an American underwriters’ association to develop standards and test procedures for product safety. Although obtaining UL certification is voluntary, most of electrical products are certified by UL in North America. To obtain the UL certification for an electrical product, main components to be built into the product should be UL-certified. There are 2 types of UL marks: a UL Listing mark and a UL Recognized Component mark for a component that UL finds it acceptable for use in a complete UL Listed product.

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The KCC standards are the certification system that came into effect in 2008 to protect the domestic radio wave environment in Korea, by minimizing human and property damages caused by unnecessary generation of electromagnetic waves and communication failures and erroneous operation of equipment triggered by other equipment or external radio waves.