UL

by / Friday, 25 March 2016 / bipụtara Machinekpụrụ igwe

UL LLC bụ American zuru ụwa ọnụ ize ize na asambodo ụlọ ọrụ n'isi ụlọ ọrụ dị na Northbrook, Illinois. Ọ na-arụ ọrụ n'ọfịs na mba 46. Guzosie ike na 1894 dị ka Underwriters 'Electrical Bureau (a Bureau nke National Board of Fire Underwriters), a maara ya na narị afọ nke 20 niile dị ka Ngwurugwu Nyocha ma sonye na nyocha nchekwa nke ọtụtụ teknụzụ ọhụrụ nke narị afọ ahụ, ọkachasị ịnabata ọkụ eletrik na idepụta ụkpụrụ nchekwa maka ngwaọrụ eletriki na akụrụngwa.

UL na-enye asambodo metụtara nchekwa, asambodo, nnwale, nyocha, nyocha, na-enye ndụmọdụ ma na-enye ndị ahịa nnukwu ọrụ, gụnyere ndị na-azụ ahịa, ndị na-ere ahịa, ndị na-ahụ maka iwu, ndị na-achịkwa, ụlọ ọrụ ọrụ, na ndị ahịa.

UL bụ otu n’ime ọtụtụ ụlọ ọrụ anabatara ime nnwale nchekwa site n’aka ndị ụlọ ọrụ gọọmentị etiti US Occupational Safety and Health Administration (OSHA). OSHA na-edobe aha nnabata ụlọ nyocha nnwale abụọ, nke a maara dị ka Laboratory Nabata Nlekọta Mba.

UL UL
ụdị
 Nkeonwe, LLC
Onye bu uzo Ngwurugwu Nyocha
A tọrọ ntọala 1894; Afọ 122 gara aga
nchoputa William Henry Merrill kwuru
Mpaghara jere ozi
 Mba 104
Ndị isi
 Keith Williams (Onye isi ala na onye isi ala)
Onu ogugu ndi oru
 12,000 (2013)
Weebụsaịtị www.ul.com

History

Isi ụlọ ọrụ UL na Northbrook

Underwriters Laboratories Inc. hiwere na 1894 nke William Henry Merrill dere. Ná mmalite nke ọrụ ya dị ka injinia eletriki na Boston, e zigara Merrill dị afọ 25 iji nyochaa World Fair's Palace of Electricity. Mgbe ọ hụrụ ọhụụ na-eto eto n'ọhịa ya, Merrill nọrọ na Chicago wee chọta Laboratories Underwriters.

N'oge na-adịghị anya Merrill ga-arụ ọrụ na-emepe emepe, na-ebuputa ule, na-emepụta akụrụngwa na kpughee ihe egwu. Ewezuga ọrụ ya na UL, Merrill rụrụ ọrụ dịka onye odeakwụkwọ ihe ode akwụkwọ nchekwa nke National (1903-1909) na onye isi ala (1910-1912) ma bụrụ onye na-arụsi ọrụ ike na Kọmitii Chicago na Kọmitii Union. Na 1916, Merrill ghọrọ onye isi oche mbụ nke UL.

UL bipụtara ọkọlọtọ mbụ ya, "Tin Clad Fire door", na 1903. N'afọ sochirinụ, UL Mark mere akara ngosipụta nke ọkụ oku. Na 1905, UL guzobere Ọrụ Label maka ụfọdụ ngwaahịa na-achọ nyocha ugboro ugboro. Ndị nyocha UL mere nyocha nke mbụ nke ụlọ ọrụ ahụ na ngwaahịa ndị ejiri akara na ụlọ ọrụ ndị na-emepụta ihe — omume nke ka bụ akara ngosi nke mmemme ule na asambodo UL.

UL agbasawo n'ime nzukọ na 64 Laboratories, ule na asambodo akụrụngwa na-elekọta ndị ahịa na mba 104. Ọ malitekwara site na mgbọrọgwụ ya na nchekwa eletriki na ọkụ iji lebara nsogbu nchekwa anya, dị ka ihe ndị dị egwu, ogo mmiri, nchekwa nri, ule arụmọrụ, nchekwa na nnabata agụmakwụkwọ na nkwado gburugburu ebe obibi.

Na 2012, UL gbanwere site na ụlọ ọrụ na-abụghị uru gaa na ụlọ ọrụ uru.

Iwu UL

Melville, New York ọnọdụ

Standkpụrụ nkwado

  • UL 106, ọkọlọtọ maka nkwado maka Luminaires (n'okpuru mmepe)
  • UL 110, Ọgụgụ maka Nkwado Ekwentị Ekwentị

Kpụrụ maka ngwaahịa eletriki na eletriki

  • UL 153, Igwe Ọdụdọ Eletrọniki Nwere Ike
  • UL 197, Ngwa Ngwa Eletriki Eletriki
  • UL 796, Akwụkwọ Ndị E Dere Ede
  • UL 1026, Nri Ulo Oku nke ulo na ebe nri
  • UL 1492, Ngwaahịa Audio / Video na ngwa
  • UL 1598, Ihe ntanetị
  • UL 1642, Batrị Lithium
  • UL 1995, Ngwongwo oku na kpo oku
  • UL 6500, Audio / Vidiyo na ngwa eji egwu egwu maka Ulo, ahia na otu ndi ozo.
  • UL 60065, Audio, Vidiyo na ngwa elele eletriki eletriki chọrọ: nchekwa chọrọ
  • UL 60335-1, Ulo na ngwa eletriki yiri nke a, Nkebi nke 1: Ihe a chọrọ
  • UL 60335-2-24, Ulo na ngwa eletriki yiri nke a, Nkebi 2: Ihe ndị chọrọ maka ndị na-akwọ ụgbọala.
  • UL 60335-2-3, Ulo na ngwa eletriki ndi yiri ya, Nkebi 2: Ihe ndi choro maka igwe ndi nke eletriki
  • UL 60335-2-34, Ulo na ngwa eletriki yiri nke a, Nkebi 2: Ihe ndị chọrọ maka ndị na-akwọ ụgbọala.
  • UL 60335-2-8, Ulo na ngwa eletriki yiri nke a, Nkebi 2: Ihe chọrọ maka ndị na-eme afụ ọnụ, ihe nkwọcha na ngwa ndị yiri ya.
  • UL 60950, Akụrụngwa Nkà na ụzụ Ozi
  • UL 60950-1, Akụrụngwa Teknụzụ Ihe Ọmụma - Nchedo, Nkebi nke 1: General chọrọ
  • UL 60950-21, Akụrụngwa Teknụzụ Ihe Ọmụma - Nchedo, Nkebi nke 21: Nri Ike Nweta
  • UL 60950-22, Akụrụngwa Teknụzụ Ihe Ọmụma - Nchedo, Nkebi nke 22: Akụrụngwa ga-arụnyere n'èzí
  • UL 60950-23, Akụrụngwa Teknụzụ Ihe Ọmụma - Nchedo, Nkebi nke 23: Akụrụngwa Nchekwa Data

Safetykpụrụ nchekwa ndụ

  • UL 217, Single- na Otutu- Station Smoke Mkpu
  • UL 268, Ndị na-achọpụta anwụrụ ọkụ sistemụ maka nchekwa sistemụ ọkụ
  • UL 268A, Ndị na-achọpụta anwụrụ ọkụ maka ngwa Duct
  • UL 1626, Ndị na-ebi ebe obibi maka Ọrụ Nchedo Ọkụ
  • UL 1971, Ntinye aka nke ngwaọrụ maka ndị ntị chiri

Kpụrụ maka Iwu Ngwaahịa

  • UL 10A, ibo ụzọ Tin-Clad Fire
  • UL 20, General-Jiri Snap Switches
  • UL 486E, Ebe Ngwongwo ikuku nke eji eji aluminom na / ma obu ndi nlekota ọla kọpa rụọ ọrụ
  • UL 1256, Ule oku nke uko / ulo nkpuchi

Kpụrụ maka Nchịkwa Ngwaọrụ

  • UL 508, Ngwá Ọrụ Nchịkwa Uche
  • UL 508A, Ogwe Njikwa Uzo
  • UL 508C, Ngwá Ọrụ Ntụgharị Ike

Standkpụrụ maka ihe eji akpụ akpụ

  • UL 94, Ule maka ire ọkụ nke ihe eji akpụ akpụ rọba maka ihe dị na Ngwa na ngwa
  • UL 746A, Polymeric Akụrụngwa: Nyochaa ylọ Ngwongwo
  • UL 746B, Polymeric Akụrụngwa: Ntụle Ngwongwo Ogologo Oge
  • UL 746C, Polymeric Materials: Jiri na Ntụle akụrụngwa Ọdụdọ
  • UL 746D, Polymeric Akụrụngwa: Akụkụ Mee
  • UL 746E, Akụrụngba Polymeric: Nnyocha ụlọ ọrụ, lagba Ọkụ nke Filament, eriri Vulcanized na akụrụngwa ejiri na Mpempe Akwụkwọ Mbipụta
  • UL 746F, Polymeric Materials: - Ihe Nkiri Dielectric Ihe Nkiri maka iji rụọ ọrụ na Mpempe akwụkwọ Wgba andgba na legba ọkụ na-agbanwe agbanwe.

Standkpụrụ maka Waya na USB

  • UL 62, Igwefoto na-agbanwe agbanwe
  • UL 758, Akụrụngwa Wire Ngwa
  • UL 817, Cord Set na Igwe Nnyefe Ike
  • UL 2556, Testzọ Ule Igwe na USB

Ardskpụrụ iwu maka Canada mepụtara site na ULC Standards, onye otu ezinụlọ UL nke ụlọ ọrụ

  • CAN / ULC-S101-07, Usoro forzọ maka Ntachi obi Ọkụ nke Nrụpụta na Ihe
  • CAN / ULC-S102-10, Standardzọ Ọkwa nke Nlele maka njirimara nke ọkụ dị n'elu ma ọ bụ mgbakọ.
  • CAN / ULC-S102.2-10, Standardzọ Ule nke nnwale maka njirimara nke ire dị n'elu ala, mkpuchi ụlọ, na ihe na mgbakọ dị iche iche.
  • CAN / ULC-S104-10, Usoro forzọ maka Nnwale Ọkụ nke Mgbakọ Door
  • CAN / ULC-S107-10, Standardzọ Ọkpụkpụ maka Nyocha Ọkụ nke Mkpuchi Roof
  • CAN / ULC-S303-M91 (R1999), Standardzọ Ọkpụkpụ maka Mkpu Oti mkpuke nke Burglar Mpaghara.

Ndị ọzọ

  • UL 1703, Photovoltaic Flat-Plate Modulu
  • UL 1741, Ndị na-agbanwegharị, ndị na-agbanwe agbanwe, ndị na-ahụ maka ya na ihe eji arụ ọrụ Sistem.
  • UL 2703, Rack Mounting Systems na ngwaọrụ mgbanye maka Flat-Plate Photovoltaic modulu na ogwe.

Mara Mak

Mark a na-ahụ maka ihe ama ama (n'aka ekpe) na bọọdụ sekit e biri ebi

The "Mmata Akụrụngwa Mark" bụ ụdị akara ngosipụta nke sitere na Laboratories Underwriters. A na-etinye ya na akụrụngwa nke ezubere ịbụ akụkụ nke ngwaahịa UL edepụtara, mana nke na-enweghị ike iburu njirimara UL zuru oke. Ohaneze adabaghị na ya, n'ihi na a na-ebugharị ya na ihe ndị mejupụtara ngwaahịa ndị emecharala.

Ndi otu ndi ozo

  • Baseefa - nzukọ dị otu a na United Kingdom
  • Association Standards Canadian (CSA) - nzukọ yiri nke a na Canada; na-ejekwa ozi dị ka asọmpi ọzọ maka ngwaahịa US
  • Efectis - nzukọ dị na Europe, ọkachamara na sayensị ọkụ, ụlọ nyocha na ahụ asambodo
  • ETL SEMKO - ụlọ nyocha nnwale na-asọmpi, akụkụ nke Intertek; Dabere na London, England, UK
  • FM Global - òtù asambodo asọmpi, dabere na Rhode Island, USA
  • IAPMO R&T - otu asambodo na-asọ mpi, nke dị na Ontario, California, USA
  • MET Laboratories, Inc. - ụlọ nyocha nnwale na-asọmpi nke dabeere na Baltimore, Maryland, USA
  • NTA Inc - ụlọ ọrụ asambodo asambodo nke dabere na Nappanee, Indiana, USA
  • Sira - nzukọ yiri nke UK / Europe
  • TÜV - nzukọ nkwado nke German
  • KFI - ulo oru oku oku nke Korea, ulo ndi ozo di na Korea
  • Ejiri Nyocha Laboratories (ARL) - ụlọ nyocha nyocha na-asọ mpi, nke dabeere na Florida, USA
  • CCOE - Onye isi njikwa ihe mgbawa
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