Ho tloha tlhokahalong ea eona ea pele lilemong tse 50 tse fetileng, Ground Fault Circuit Interrupter (GFCI) e bile le lintlafatso tse ngata tsa moralo ho eketsa ts'ireletso ea basebetsi.Liphetoho tsena li ile tsa hlohlelletsoa ke maikutlo a tsoang mekhatlong e kang Consumer Products Safety Commission (CPSC), National Electrical Manufacturers Association (NEMA), le Underwriters Laboratories.
E 'ngoe ea litekanyetso tsena, UL 943, e fana ka litlhokahalo tse ikhethileng bakeng sa litšitiso tsa li-circuit-fault-fault-fair-fair-fair-fault-fault-inter-le-line codes tsa ho kenya motlakase tsa Canada, Mexico le United States.Ka Phuptjane 2015, UL e ile ea lokisa maemo a bona a 943 ho hloka hore likarolo tsohle tse kentsoeng ruri (joalo ka liphahlo) li kenyelletse tšebetso ea ho lekola koloi.Bahlahisi ba ile ba khona ho rekisa setoko se seng se ntse se le teng ho bareki ba bona, ka sepheo sa hore ha likarolo tsa khale li felisitsoe, tse nchafalitsoeng li kenyelle mokhoa ona oa tšireletso.
Auto-monitoring, eo hape e tsejoang e le ho itlhahloba, e bolela ts'ebetso e netefatsang hore yuniti e sebetsa hantle ka ho netefatsa ka bo eona hore na matla a ho utloa le leeto a sebetsa.Boitlhahlobo bona bo netefatsa hore li-GFCI li lekoa khafetsa, e leng ntho eo basebelisi ba sa e etsang khafetsa.Haeba boitlhahlobo bo hloleha, li-GFCI tse ngata li boetse li na le letšoao la ho qetela ho lemosa mosebelisi ha yuniti e hloka ho nkeloa sebaka.
Karolo ea bobeli ea litaelo tse ntlafalitsoeng tsa UL 943 tse pheta-phetoang Reverse Line-load Mis-wire Protection.Phetolelo ea Line-Load e sitisa matla ho yuniti mme e thibela ho e hlophisa bocha ha ho na le bothata ka mohala.Hore na yuniti e ntse e sebelisoa lekhetlo la pele kapa e ntse e kengoa hape, thapo efe kapa efe e fosahetseng ho GFCI ea ho itlhahloba e tla fella ka tahlehelo ea motlakase le/kapa ho se khone ho seta sesebelisoa bocha.
Ho tloha ka la 5 Mots'eanong 2021, UL 943 e hloka hore lihlahisoa tse sebelisoang lits'ebetsong tse nkehang (mohlala, li-cordsets tsa GFCI tsa In-line le Li-Portable Distribution Units) li kenyelletse theknoloji ea tlhahlobo ea likoloi ho phahamisa polokeho ea basebetsi le sebaka sa mosebetsi.
Nako ea poso: Sep-05-2022