CE
Lub cim CE yog cov ntawv pov thawj kev nyab xeeb thiab suav hais tias yog daim ntawv hla tebchaws rau cov tuam txhab qhib thiab nkag mus rau European ua lag luam. CE sawv rau TSWV YIM EUROPENE. Txhua yam khoom uas muaj tus cim "CE" tuaj yeem muag tau hauv EU tus tswvcuab tsis muaj cov khoom ntawm txhua tus neeg koom nrog, yog li ua tiav cov khoom siv pub dawb hauv EU tus tswvcuab.
2 .ROHS
Cov khoom lag luam kuaj cov ntawv pov thawj thoob plaws ntiaj teb, ROHS yog cov tsiaj ntawv luv rau Kev Txwv tsis pub siv qee yam tshuaj phom sij hauv cov khoom siv hluav taws xob thiab hluav taws xob. ROHS teev muaj tag nrho rau yam tshuaj phom sij, suav nrog cov hmoov txhuas Pb, cadmium Cd, muaj mercury Hg, hexavalent chromium Cr6 +, polybrominated diphenyl ether PBDE, thiab polybrominated biphenyl PBB.
3.CAJ
UL yog phau ntawv luv luv rau Underwriter Laboratories Inc. Lub UL Kev Tshawb Nrhiav Kev Ruaj Ntseg yog qhov muaj cai tshaj plaws nyob hauv Tebchaws Meskas. Nws tseem yog cov chaw ntiav loj koom hauv kev tshuaj ntsuam kev nyab xeeb thiab kev txheeb xyuas qhov tseeb hauv kev lag luam. Nws yog ib lub koomhaum ywj pheej, tsis yog txiaj ntsig uas coj kev sim rau kev nyab xeeb rau pej xeem.
