Cov Qauv tom qab kev ua ib txwm muaj
ULSE nta cov keyboards, lub tswb ceeb toom, GFCIs thiab lwm yam khoom ua piv txwv ntawm cov kev cai nyab xeeb ua haujlwm feem ntau tsis pom. Tsab xov xwm hais tias ib lub tsev hauv Tebchaws Meskas muaj kwv yees li 125 yam khoom tsim los ua kom tau raws li cov qauv kev nyab xeeb.
UL 943 thiab GFCI kev tiv thaiv
Tsab xov xwm txheeb xyuas UL 943 ua tus qauv rau GFCIs thiab txuas cov khoom siv ua haujlwm rau kev txo qhov kev pheej hmoo hluav taws xob. Qhov no yog cov lus piav qhia dav dav, tsis yog pov thawj ntawv pov thawj rau ib tus qauv.
Hloov pauv nrog thev naus laus zis
ULSE sau tseg tias cov qauv kev nyab xeeb txuas ntxiv mus hloov pauv thaum cov tsev thiab cov khoom siv sib txuas ntau dua thiab rov them tau dua. Yog li ntawd, cov pab pawg khoom yuav tsum tau saib xyuas ob qho tib si cov kev cai tsim thiab cov qauv tshwj xeeb tshiab.