Kedu asambodo ga-etinye aka mgbe ebupu obo cha cha n'ahịa North America?

UL bụ mbiri nke Underwriter Laboratories Inc. UL Safety Testing Institute bụ nke kachasị ikike na United States na ụlọ ọrụ nzuzo kachasị ukwuu na-etinye aka na nyocha nchekwa na njirimara n'ụwa.Ọ bụ ụlọ ọrụ nọọrọ onwe ya, nke na-erite uru, ọkachamara na-eme nnwale maka nchekwa ọha.Ọ na-eji ụzọ nyocha sayensị nyocha na ịchọpụta ma ihe dị iche iche, ngwaọrụ, ngwaahịa, akụrụngwa, ụlọ, wdg na-emerụ ndụ na ihe onwunwe na ogo nke mmerụ ahụ;ọ na-ekpebi, na-ede ma na-ebute ụkpụrụ kwekọrọ na ya ma na-enyere aka belata na igbochi ihe ize ndụ na ndụ.Anyị ga-anakọta ozi gbasara mmebi ihe onwunwe ma mee nchọpụta nchọpụta eziokwu n'otu oge.Asambodo UL bụ asambodo anaghị adị mkpa na United States.Ọ na-anwale ma na-akwado arụmọrụ nchekwa ngwaahịa.Ogo asambodo ya anaghị agụnye njirimara EMC (mmekọrịta elektrọnik) nke ngwaahịa ahụ.

ETL bụ akara pụrụ iche nke EUROLAB, ụlọ ọrụ na-ahụ maka ịdịmma na nchekwa nchekwa ụwa nwere akụkọ ihe mere eme malitere na 1896. Mgbe nnukwu onye na-emepụta ihe America bụ Edison tọrọ ntọala Lamp Testing Bureau, ọ gbanwere aha ya gaa na “Laboratory Testing Electric” na 1904, ghọrọ ETL nke taa ma nwee nnukwu aha na United States na gburugburu ụwa.Kemgbe e guzobere ya ihe karịrị otu narị afọ gara aga, ETL etolitela ka ọ bụrụ ụlọ nyocha dị iche iche wee depụta ya dị ka ụlọ nyocha nyocha nke mba nke US Federal Occupational Safety and Health Administration (OSHA).Nyocha Laboratory-NRTL).N'otu oge ahụ, Council Standards of Canada-SCC na-amatakwa ETL dị ka Ụlọ Ọrụ Asambodo kwadoro na Ụlọ Ọrụ Nleba anya, ma na-amata ya dị ka ụlọ ọrụ nchekwa ngwaahịa nke nọọrọ onwe ya na Canada (ị nwere ike ịbanye na webụsaịtị OSHA http:/ /www.osha.gov maka ozi ndị ọzọ).

Ọ bụrụhaala na ngwaahịa eletriki, igwe ma ọ bụ igwe eletrọnịkị ọ bụla nwere akara ETL, ọ na-egosi na ngwaahịa a ezutela ihe kacha nta chọrọ nke ụkpụrụ nchekwa ngwaahịa US na Canada nke ama ama.Intertek nwalere ya, ụlọ nyocha nyocha nke mba (NRTL), wee na-agbaso ụkpụrụ mba dị mkpa;ọ pụtakwara na ụlọ ọrụ mmepụta ihe na-ekweta ka a na-enyocha ya nke ọma mgbe niile iji hụ na ịdị mma nke ngwaahịa na-agbanwe agbanwe, nke a ga-eresị na ahịa US na Canada.Ihe ọ pụtara nye ndị na-ekesa, ndị na-ere ahịa na ndị na-azụ ahịa bụ na ha na-azụta ngwaahịa nke ndị ọzọ nwalere ma kwado ya.

Susie

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