-Melika, Canada- cTUVus&ETL
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eMelika, eKhanada- cTUVus&ETL
▍Yintoni i-cTUVus & ne-ETL CERTIFICATION?I-OSHA (i-Occupational Safety and Health Administration), enxulumene ne-US DOL (iSebe lezeMisebenzi), ifuna ukuba zonke iimveliso eziza kusetyenziswa kwindawo yokusebenza kufuneka zivavanywe kwaye ziqinisekiswe yi-NRTL ngaphambi kokuba zithengiswe emarikeni.Imigangatho yovavanyo esebenzayo ibandakanya imigangatho ye-American National Standards Institute (ANSI);Imigangatho yoMbutho waseMelika woVavanyo lweMathiriyeli (ASTM), imigangatho yeLebhu yababhala phantsi (UL), kunye nombutho wokuqondana kwefektri ...