Njikọ ọkọlọtọ
Ntuziaka ụkpụrụ mba ụwa
Nyochaa ntuziaka anyị zuru oke maka ụkpụrụ isi mba ụwa. Pịa na njikọ ndị a ka ịmatakwu gbasara ụkpụrụ ndị metụtara ọrụ gị.
Na Eastful, anyị maara nke ọma na ụkpụrụ ndị a ma dị njikere imezu mkpa eriri USB gị na nkenke na nrube isi.
North American Standard
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American Society for Testing and Materials (ASTM)
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UL (ụlọ nyocha ndị na-ede akwụkwọ)
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Ụlọ ọrụ SAE International
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ICEA (Mgbakọ Ndị Injinia Cable Insulated)
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International Electrotechnical Commission (IEC)
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Òtù Na-ahụ Maka Ụlọ Ọrụ Edison Illuminating (AEIC)
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ANSI (American National Standards Institute)
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Ndị otu ụkpụrụ Canada (CSA)
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Federal Electricity Commission (CFE)
Ọkọlọtọ South America
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ABNT (Nkọkọrịta ụkpụrụ nka nka na Brazil)
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IRAM (Ụlọ Ọrụ Argentine nke Standardization na Asambodo)
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INN (National Institute of Standardization)
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ICONTEC (Ụlọ ọrụ Colombia nke ụkpụrụ nka na asambodo)
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INACAL (National Quality Institute)
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FONDONORMA (Ego maka Standardization na Asambodo Ogo)
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INEN (Ụlọ Ọrụ Ecuadorian nke Standardization)
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UNIT (Uruguayan Institute of Technical Standards)
Ụkpụrụ European
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BSI (Ụlọ Ọrụ Na-ahụ Maka Ụkpụrụ Britain)
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DIN (Ụlọ Ọrụ German maka Standardization)
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UTE (Technical Union of Electricity and Communication)
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Òtù Na-ahụ Maka Ịhazi Ọkwa nke Spanish (UNE)
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NEN (Ọkọlọtọ Dutch)
African Standard
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SABS (South African Bureau of Standards)
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GSA (Ghana Standards Authority)
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SON (Standards Organisation of Nigeria)
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Ụlọ Ọrụ Na-ahụ Maka Ọkọlọtọ nke Kenya (KEBS)
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Ụlọ ọrụ ọkọlọtọ Tanzania (TBS)
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ZABS (Zambia Bureau of Standards)
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SAZ (Standards Association of Zimbabwe)
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UNBS (Uganda National Bureau of Standards)
Ọkọlọtọ Asia
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GB (Guobiao Standards) / SAC (Standardization Administration of China)
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JIS (ụkpụrụ ụlọ ọrụ Japanese) / JSA
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BIS (Bureau of Indian Standards)
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KS (Ụkpụrụ ụlọ ọrụ Korea) / KATS (Ụlọ ọrụ Korea maka Nkà na Ụzụ na Ọkọlọtọ)
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SIRIM (Standards and Industrial Research Institute of Malaysia)
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BSN (National Standardization Agency)
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TISI (Thai Industrial Standards Institute)
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STAMEQ (Onye isi maka ụkpụrụ, usoro ọmụmụ na ịdịmma)
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BPS (Bureau of Philippine Standards)
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SPRING Singapore (nke bụ akụkụ nke Enterprise Singapore)
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ESMA (Ndị ikike nke Emirates maka Standardization na Metrology)
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SASO (ụkpụrụ, usoro ọmụmụ na ogo nke Saudi)
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ISIRI (Institute of Standards and Industrial Research nke Iran)
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TSE (Turki Standards Institution)