UL มาตรฐานความปลอดภัยจากสหรัฐอเมริกา - อุปกรณ์ไฟฟ้า ซาเล่

Far more testing is involved in UL Listed certification The UL Listed seal means that the product has been tested by UL to nationally recognized safety and

When a product is certified by UL based on Canadian standards , the certification mark for the said product will be the C-UL mark shown below,

ultera 5 Is UL Certification Required by Law? No, there currently is no law that requires products to be approved by UL However, in many manufacturing and service

ultrac4 A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities · Our new name signals a