Machinekpụrụ igwe

Standkpụrụ British bụ ụkpụrụ nke BSI Group mepụtara nke akpọrọ n'okpuru Royal Charter (nke edoziri ka ọ bụrụ National Standards Body (NSB) maka UK).

Ngosi akara CE bu ihe mminye nke akara aka ahia maka ire ahia ufodu rere ire n'etiti European Economic Area (EEA) site na 1985. Akara akara CE ka bukwara na ere ndi erere na abughi EEA emeputa, ma obu emeziri ka ere ya na EEA. Nke a na-eme ka akara nke CE bụrụ nke ụwa niile maka ndị niile na-amaghị mpaghara Mpaghara Europe. Ọ bụ n'echiche ahụ yiri nkwupụta FCC nke Conformity eji na ụfọdụ elektrọniki rere na United States.

Ndị otu CSA (nke bụbu Canadian Standards Association; CSA), bụ ọgbakọ anaghị akwụ ụgwọ maka uru na-abawanye uru nke na-etolite ụkpụrụ na mpaghara 57. CSA na-ebipụta ụkpụrụ na ebipụta na akwụkwọ elektrọn ma na-enye ọrụ ọzụzụ na ndụmọdụ. Ndị mejupụtara CSA bụ ndị nnọchite anya sitere na ụlọ ọrụ, gọọmentị, na ndị ahịa.

GOST (Russian: ГОСТ) na-ezo aka na setịpụrụ ụkpụrụ ọrụ aka nke European-Asian Council maka ọkọlọtọ, metrik na asambodo (EASC), otu ọgbakọ na-arụ ọrụ na mpaghara nke na-arụ ọrụ n'okpuru ọchịchị Commonwealth of Independent States (CIS).

UL LLC bụ ụlọ ọrụ nchekwa nchekwa na asambodo ụwa America nke dị na Northbrook, Illinois. Ọ na-arụ ọrụ n'ọfịs na mba 46. N'ịbụ onye guzosiri ike na 1894 dị ka Bureau of Electrical Bureau (ụlọ ọrụ nke National Board of Fire Underwriters), a maara ya na narị afọ 20 dum dị ka Laboratories Underwriters ma sonye na nyocha nchekwa nke ọtụtụ teknụzụ ọhụrụ nke narị afọ ahụ, ọkachasị bụ nnabata ọha. nke ọkụ eletrik na ịmepụta ụkpụrụ nchekwa maka ngwaọrụ eletriki na akụrụngwa.