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Isatifikethi se-UL sisatifikethi esinganyanzelekanga eMelika, ikakhulu sivavanya kwaye siqinisekisa ukusebenza kokhuseleko lwemveliso, kwaye umda waso wokuqinisekiswa awubandakanyi iimpawu ze-EMC (ukuhambelana kwe-electromagnetic) zeemveliso. I-UL yintlangano ezimeleyo, engenzi nzuzo, yobungcali evavanya ukhuseleko loluntu. I-UL yasekwa ngo-1894. Kwinqanaba lokuqala, i-UL yayixhomekeke kakhulu kwimali ebonelelwa lisebe le-inshurensi yomlilo ukuze iqhubeke nokusebenza kwayo. Kwakungekho de kwaba ngu-1916 apho i-UL yayizimele ngokupheleleyo. Emva kweminyaka ephantse ibe likhulu yophuhliso, i-UL ibe liqumrhu eliqinisekisiweyo elidumileyo kwihlabathi liphela elineseti yeenkqubo zolawulo oluqinileyo lwemibutho, uphuhliso olusemgangathweni kunye neenkqubo zokuqinisekiswa kwemveliso.
Isatifikethi se-UL sasungulwa yi-certification, i-arhente yophuhliso olusemgangathweni, i-arhente ye-arhente, i-arhente ye-arhente. Ngo-1894, kwaye i-UL ikwangumphuhlisi wemigangatho yesizwe saseKhanada.
Ukufumana iSatifikethi se-UL kubalulekile kuba kubonisa ubuchule bomenzi kunye nababoneleli beenkonzo. Abathengi bafuna ukwazi ukuba inkampani abayiqeshileyo ukufaka izixhobo zabo ifanelekile ukwenza umsebenzi ngokuchanekileyo, kwaye bathatha ixesha ukuqinisekisa ukuba zonke iimveliso abazifakileyo ziyavavanywa kwaye ziyahlangabezana nemigangatho yokhuseleko. ISatifikethi se-UL sikwabonisa ukuba inkampani ihlangabezana nayo yonke imithetho yokhuseleko kunye nokusingqongileyo yasekuhlaleni neyelizwe. Ungaqiniseka ukuba abasebenzi bakho kunye nabathengi bakho bakhuselekile.
I-UL Verification Mark inika uvavanyo oluchanekileyo nolusekelwe kwisayensi kunye nokuqinisekiswa kwamabango okuthengisa abavelisi kwiimveliso zabo, njengokusebenza kwemveliso, umgangatho, kunye namabango okusebenza.
1. Imveliso isebenzisa ukhuseleko lwemveliso olwahlukeneyo; xa abathengi kunye neeyunithi zikhetha isiqinisekiso semveliso saseMelika, kulula ukukhetha iimpawu zemveliso kunye nemarike yonke.
2. Imbali ye-UL inembali engaphezu kweminyaka eli-100. Umfanekiso wakho ugxile kakhulu kubathengi nakurhulumente. Ukuba awuthengisi iimveliso kubathengi, ngokuqinisekileyo kuya kufuneka iimveliso zibe nesatifikethi se-UL, ukuze iimveliso ziphinde zisetyenziswe.
3. Abathengi baseMelika kunye neeyunithi zokuthenga banethemba elingakumbi kwiimveliso zenkampani.
4. Kukho izithili zolawulo ezingaphezu kwama-40,000 kurhulumente wobumbano, wephondo, wesithili, noomasipala wase-United States, zonke eziqaphela uphawu lwesatifikethi se-UL.
Isatifikethi se-UL esifunyenwe ziimveliso zeSoloon sibaluleke kakhulu ekuthengisweni kweemveliso zethu eMelika, eKhanada nakwamanye amazwe.
