Txawm hais tias ob qho VDE thiab CE muaj ntawv pov thawj khoom, muaj qee qhov txawv ntawm lawv:
1. Cov chaw pabcuam sib txawv
VDE ntawv pov thawj feem ntau yog tseem muaj cov feem thiab cov khoom sib xyaw, thiab tsuas yog qee yam yog cov khoom tiav. CE tsuas yog lees paub cov khoom tiav tiav.
2. Cov khoom sib txawv
Hauv EU kev ua lag luam, "cim" yog ib qho cim pov thawj. Seb nws yog cov khoom tsim los ntawm kev lag luam hauv EU lossis cov khoom tsim tawm hauv lwm lub tebchaws, nws yuav tsum tau affixed nrog "CE" cim kom pom tias cov khoom ua raws li cov theem pib Yuav tsum muaj ntawm EU lub "Tshiab mus kom ze rau kev sib raug zoo thiab qauv" kev coj ua.
Raws li nruab nrab thiab cov koom haum ywj pheej, VDE cov tshuaj ntsuam xyuas thiab cov ntawv pov thawj hluav taws xob ua raws li cov qauv hluav taws xob hauv tebchaws German lossis IEC International Speccessor lossis European E Txheej Txheem Kawm Ntawv. Hauv ntau lub tebchaws, cov ntawv pov thawj VDE tau tshaj tawm tias muaj ntawv pov thawj lub tebchaws, thiab yog tus lees paub tshwj xeeb thiab muaj nuj nqis los ntawm cov neeg siv khoom thiab cov xa khoom.
3. Txawv cov chaw sawv cev
VDE ntawv pov thawj yog muab los ntawm VDE kuaj thiab ntawv pov thawj hauv Offenbach, lub teb chaws Yelemees, uas yog koom nrog rau cov neeg siv hluav taws xob German. CE daim ntawv pov thawj yog daim ntawv pov thawj tshaj tawm los ntawm EU cov ntaub ntawv ceeb toom.