I-UL 11627 ikhebula elixhumayo lohlelo lokugcina amandla oludlulile isitifiketi somkhiqizo se-UL se-American Standard. Ngokuvamile isetshenziswa kabanzi ezintweni zasendlini, ukuhlinzeka ngemikhiqizo esezingeni eliphakeme futhi enokwethenjelwa, iqinisekisa ukuphuma okuphephile kukagesi nokunikeza umphumela ophephile wamandla wemishini kagesi. Imishini yangaphakathi yezimoto inikezela ngemikhiqizo ephephile nethembekile yocingo nemikhiqizo yekhebula kuyo yonke imikhakha yemoto enamandla omkhiqizo ochwepheshe ukuqinisekisa ukuphuma okusebenzayo kwamandla ezimoto. Amaphaneli elanga, agxile ocwaningweni nasekuthuthukisweni kwezinkambu eziphakeme kakhulu, ngobuhlakani udale ikhwalithi yomkhiqizo ukuze uhlangane nesidingo sikagesi emikhakheni ehlukahlukene futhi uqinisekise ukusebenza okuphephile kwephrojekthi.