UL

UL LLC ke k'hamphani ea Amerika ea boeletsi le polokeho ea lefats'e ka bophara e fumanehang Northbrook, Illinois. E boloka liofisi linaheng tse 46. E thehiloe ka 1894 joalo ka Ofisi ea Motlakase ea Bangoli (ofisi ea Boto ea Naha ea Bangoli ba Mollo), e ne e tsejoa ho pholletsa le lekholo la bo20 la lilemo joalo ka Underwriters Laboratories mme ba nkile karolo manollong ea polokeho ea mahlale a macha a lekholo leo la lilemo, haholoholo kamohelo ea sechaba ea motlakase le ho ngola maemo a polokeho bakeng sa lisebelisoa tsa motlakase le likaroloana tsa ona.

UL e fana ka setifikeiti se amanang le polokeho, netefatso, tlhahlobo, tlhahlobo, tlhahlobo le lits'ebeletso ho mefuta e mengata ea bareki, ho kenyelletsa bahlahisi, barekisi, baetsi ba melao, batsamaisi, lik'hamphani tsa litšebeletso le bareki.

UL ke e 'ngoe ea lik'hamphani tse' maloa tse lumelletsoeng ho etsa liteko tsa polokeho ke mokhatlo oa US Federal Safety and Health Administration (OSHA). OSHA e boloka lethathamo la lilaboratori tsa tlhahlobo tse amoheloang, tse tsejoang ka hore ke liLaboratori tsa Tlhahlobo tsa Naha tse Khethiloeng.

UL LLC

Letšoao la UL Certification
Type	Poraefete, LLC
E reroang pele	Underwriters Laboratories
thehiloe	1894; Lilemo tse 122 tse fetileng
mothehi	William Henry Merrill
Sebaka se sebeletsa	Linaha tsa 104
Batho ba bohlokoa	Keith Williams (Mopresidente le CEO)
Palo ea basebetsi	12,000 (2013)
Website	www e.ul.com

History

Underwriters Laboratories Inc. e thehiloe ka 1894 ke William Henry Merrill. Qalong ea mosebetsi oa hae e le moenjiniere oa motlakase Boston, Merrill ea lilemo li 25 o ile a romeloa ho ea batlisisa Ntlo ea Motlakase ea Lefatše. Ha a bona bokhoni bo hōlang tšimong ea hae, Merrill o ile a lula Chicago ho fumana Underwriters Laboratories.

Haufinyane Merrill o ile a qala ho sebetsa a ntlafatsa litekanyetso, a qala liteko, a rala lisebelisoa le ho sibolla likotsi. Ntle le mosebetsi oa hae ho UL, Merrill o ile a sebetsa e le mongoli oa letlole la National Fire Protection Association (1903–1909) le mopresidente (1910-1912) ebile e ne e le setho se mafolofolo Komiting ea Chicago le Union. Ka 1916, Merrill e bile mopresidente oa pele oa UL.

Ul e phatlalalitse mochini oa eona oa pele oa "Tin Clad Fire Doors" ka 1903. Selemong se latelang, UL Mark e ile ea qopitsa ho ngolla ha setima-mollo. Ka 1905, UL e ile ea theha Ts'ebeletso ea Label bakeng sa mekhahlelo e meng ea sehlahisoa e hlokang ho hlahlojoa khafetsa. Bahlahlobi ba UL ba ile ba etsa tlhahlobo ea pele ea feme ka lihlahisoa tse ngotsoeng litsing tsa baetsi ba thepa-tloaelo e ntseng e le letšoao la lenaneo la tlhahlobo la UL le netefatso.

UL e atolohile ho ba mokhatlo o nang le lilaboratori tse 64, liteko le lits'ebeletso tsa setifikeiti tse sebeletsang bareki linaheng tse 104. E boetse e fetohile ho tloha metsong ea eona polokelong ea motlakase le mollo ho sebetsana le litaba tse pharalletseng tsa polokeho, joalo ka lintho tse kotsi, boleng ba metsi, polokeho ea lijo, liteko tsa ts'ebetso, polokeho le thuto ea boikobelo le ho boloka tikoloho.

Ka 2012, UL e fetotsoe ho tloha k'hamphaning e seng phaello ho ba khoebo e sebetsanang le phaello.

Melao ea UL

Melao ea Ts'ehetso

• UL 106, Tekanyetso ea ho Sustainability bakeng sa Luminaires (tlasa nts'etsopele)
• UL 110, Tekanyetso ea ho Sustainability ea Mehala ea Mehala

Melao ea Lihlahisoa tsa Motlakase le tsa Elektroniki

• UL 153, Likepe tsa Motlakase tse nkehang
• UL 197, Lisebelisoa tsa ho pheha tsa Motlakase tsa Motlakase
• UL 796, Boto tse hatisitsoeng
• UL 1026, Lijo tsa Motlakase oa Ntlo ea Motlakase le Lisebelisoa tsa Ts'ebeletso ea Lijo
• UL 1492, Lihlahisoa tsa Audio / Video le lisebelisoa
• UL 1598, Luminaires
• UL 1642, Libeta tsa Lithium
• UL 1995, lisebelisoa tse futhumatsang le tse futhumetseng
• UL 6500, Audio / Video le lisebelisoa tsa 'Mino oa' Mino bakeng sa Lelapa, Khoebo le Ts'ebeliso e tšoanang ea Kakaretso
• UL 60065, Audio, Video le lisebelisoa tsa elektroniki tse tšoanang: Litlhoko tsa polokeho
• UL 60335-1, Lisebelisoa tsa Ntlo le lisebelisoa tsa Motlakase tse tšoanang, Karolo ea 1: Litlhoko tse akaretsang
• UL 60335-2-24, Lisebelisoa tsa Ntlo le lisebelisoa tse tšoanang tsa Motlakase, Karolo ea 2: Litlhokahalo tse Ikhethileng bakeng sa Bahlahisi ba Likoloi
• UL 60335-2-3, Lisebelisoa tsa Ntlo le lisebelisoa tse tšoanang tsa Motlakase, Karolo ea 2: Litlhokahalo tse Ikhethileng bakeng sa Li-Irons tsa Motlakase.
• UL 60335-2-34, Lisebelisoa tsa Ntlo le lisebelisoa tse tšoanang tsa Motlakase, Karolo ea 2: Litlhokahalo tse Ikhethileng bakeng sa Bahlahisi ba Likoloi
• UL 60335-2-8, Lisebelisoa tsa Motlakase le Lisebelisoa tse tšoanang tsa Motlakase, Karolo ea 2: Litlhokahalo tse Ikhethileng tsa Shaers, Liaparo tsa Moriri le Lisebelisoa tse tšoanang
• UL 60950, Lisebelisoa tsa Theknoloji ea Boitsebiso
• UL 60950-1, Lisebelisoa tsa Theknoloji ea Boitsebiso - Polokeho, Karolo ea 1: Litlhokahalo tse akaretsang
• UL 60950-21, Lisebelisoa tsa Theknoloji ea Tlhahisoleseling - Ts'ireletso, Karolo ea 21: Phepelo ea Matla a Remote
• UL 60950-22, Lisebelisoa tsa Theknoloji ea Tlhahisoleseling - Ts'ireletso, Karolo ea 22: Lisebelisoa tse lokelang ho Kenya ka ntle
• UL 60950-23, Lisebelisoa tsa Theknoloji ea Tlhahisoleseling - Ts'ireletso, Karolo ea 23: Lisebelisoa tse Kholo tsa polokelo ea data

Melao ea Ts'ireletso ea Bophelo

• UL 217, single- le Multiple- Station Smoke Alarms
• UL 268, Bakhanni ba Mosi oa Ts'ebetso ea ho Sireletsa Mollo
• UL 268A, Babuelli ba Mosi oa Ts'ebetso ea Duct
• UL 1626, Bahlahisi ba Bolulo ba Tšebeletso ea Tšireletso ea Mollo
• UL 1971, Lisebelisoa tse Bontšang Matšoao bakeng sa ba Utloang Litsebe

Melao ea Lihlahisoa tsa Kaho

• UL 10A, Tin-Clad Mollo ea Mollo
• UL 20, Sebelisa-Snap switch ka kakaretso
• UL 486E, Lisebelisoa tsa Wiring ea Lisebelisoa bakeng sa Ts'ebeliso ea Aluminium le / kapa Copter conductors
• UL 1256, Teko ea Mollo ea Roof / Deck Constructions

Melao ea Lisebelisoa tsa Taolo ea Liindasteri

• UL 508, Lisebelisoa tsa Taolo ea Liindasteri
• UL 508A, Liphanele tsa Taolo ea Liindasteri
• UL 508C, Lisebelisoa tsa Phetoho ea Matla

Melao ea lisebelisoa tsa polasetiki

• UL 94Liteko tsa ho chechisetsoa ha lisebelisoa tsa polasetiki tsa likarolo ho lisebelisoa le lisebelisoa
• UL 746A, Lisebelisoa tsa Polymeric: Litlhahlobo tsa Thepa ea Nako e Khutšoanyane
• UL 746B, Lisebelisoa tsa Polymeric: Litlhahlobo tsa Thepa ea Nako e telele
• UL 746C, Lisebelisoa tsa Polymeric: Ts'ebeliso ho Litlhahlobo tsa Lisebelisoa tsa Motlakase
• UL 746D, Lisebelisoa tsa Polymeric: Likarolo tse Hlophisitsoeng
• UL 746E, Lisebelisoa tsa Polymeric: Liminate ea Liindasteri, Filament Wound Tubing, Fulcanized Fibre le Lintho tse Sebelisoang ho Boloka Li-Wired Board
• UL 746F, Lisebelisoa tsa Polymeric: -– Lisebelisoa tse Ntle tsa Tlhahiso ea Li-Dielectric bakeng sa Ts'ebeliso ho Li-board tse hatisitsoeng-Wiring le thepa e fetolehang ea thepa e kenang habonolo.

Melao ea Wire le Cable

• UL 62, Likhoele tse Fetolehang le Likamore
• UL 758, Sesebelisoa sa Wiring Matlapa
• UL 817, Cord Sets le likhoele tsa Phepelo ea Matla
• UL 2556, Mekhoa ea Teko ea Wire le Cable

Melao ea Canada e ntlafalitsoeng ke ULC Standards, setho sa lelapa la UL la lik'hamphani

• CAN / ULC-S101-07, Mekhoa e Tloaelehileng ea Liteko tsa Ho mamella Mollo tsa Lihahi tsa Kaho le Lihlahisoa
• CAN / ULC-S102-10, Mekhoa e Tloaelehileng ea Teko ea Litšobotsi tse Khenyetso ea Lihlahisoa tsa Moaho le Likopano
• CAN / ULC-S102.2-10, Mekhoa e Tloaelehileng ea Teko bakeng sa Litšobotsi tse Khutlang tsa Khohola, Ho koaheloa ka Mokato, le Lisebelisoa tse Fapa-fapaneng le Li-Assemblies.
• CAN / ULC-S104-10, Mekhoa e Tloaelehileng ea Liteko tsa Mollo oa Likopano tsa Door
• CAN / ULC-S107-10, Mekhoa e Tloaelehileng ea Liteko tsa Mollo tsa Marulelo a Marulelo
• CAN / ULC-S303-M91 (R1999), Mekhoa e Tloaelehileng ea Li-unit tsa Alarm tsa Algorands le Sisteme

Other

• UL 1703, li-module tsa Photovoltaic Flat-Plate Plate
• UL 1741, Inverters, converter, controlling le Sesebelisoa sa Marangrang sa Ts'ebetso ea Ts'ebeliso ea Ts'ebeliso ea Lisebelisoa tsa Matla a Entsoeng.
• UL 2703, Rack Mounting Systems le lisebelisoa tsa Clamping tsa Mechini ea Flat-Plate Photovoltaic le Paneli

Letšoao le Kamoheloang

"Letšoao le tsebahalang la likarolo" ke mofuta oa letšoao la boleng le fanoeng ke Underwriters Laboratories. E behiloe ho likarolo tse reretsoeng ho ba karolo ea sehlahisoa se thathamisitsoeng sa UL, empa se ke keng sa jara logo ea UL ka botlalo. Sechaba ka kakaretso ha se fihle joalo, kaha se jaroa ke likarolo tse etsang lihlahisoa tse felisitsoeng.

Mekhatlo e tšoanang

• Baseefa - mokhatlo o tšoanang United Kingdom
• Canadian Standards Association (CSA) - mokhatlo o tšoanang Canada; e sebetsa hape e le mofuta o mong oa tlholisano bakeng sa lihlahisoa tsa US
• Efectis - mokhatlo o tšoanang Europe, setsebi sa mahlale a mollo, liteko tsa liteko tsa laboratori le setifikeiti
• ETL SEMKO - laboratori ea tlhahlobo ea tlhahlobo, karolo ea Intertek; e London, England, UK
• FM Global - sehlopha sa setifikeiti sa tlholisano, se thehiloeng Rhode Island, USA
• IAPMO R&T - 'mele oa tlholisano o netefatsang, o fumanehang Ontario, California, USA
• MET Laboratories, Inc. - laboratori ea tlhahlobo ea liteko e thehiloeng Baltimore, Maryland, USA
• NTA Inc - setsi sa tlhahlobo sa netefatso se thehiloeng Nappanee, Indiana, USA
• Sira - mokhatlo o tšoanang bakeng sa UK / Europe
• TÜV - mokhatlo o lumellang Jeremane
• KFI - Setsi sa Mollo sa Korea, mokhatlo o tšoanang Korea
• Applied Research Laboratories (ARL) - laboratori ea liteko ea tlholisano, e fumanehang Florida, USA
• CCOE - Molaoli ea ka Sehloohong oa Liqhomane