Nnianim Asɛm a Ɛfa Adansedi Ahorow Ho

UL [Amerika Atifi fam] .

UL yɛ Underwriter Laboratories Inc. a wɔatwa no tiaa wɔ United States. UL Ahobanbɔ Sɔhwɛ Nhwehwɛmubea no ne nea ɛwɔ tumi sen biara wɔ United States na ɛyɛ ankorankoro ahyehyɛde akɛse a ɛwɔ wiase a wɔde wɔn ho hyɛ ahobammɔ ho sɔhwɛ ne nhwehwɛmu mu no mu biako. Ɛyɛ adwumayɛfo adwumayɛbea a ɛde ne ho a ɛhwehwɛ mfaso a ɛyɛ sɔhwɛ ahorow de hwehwɛ ɔmanfo ahobammɔ. Ɛde nyansahu mu sɔhwɛ akwan di dwuma de sua na ɛkyerɛ sɛ ebia nneɛma ahorow, mfiri, nneɛma ahorow, nnwinnade, adan, ne nea ɛkeka ho pira nkwa ne agyapade ne baabi a ɔhaw no kodu; ɔkyerɛ, boaboa ano, na otintim gyinapɛn ne nneɛma a ɛne no hyia a ɛboa ma nkwa ne agyapade a wɔhwere so tew na esiw ano, na bere koro no ara mu no ɔyɛ nokwasɛm a wɔhwehwɛ ho nhwehwɛmu adwuma. UL adansedie yɛ adansedie a ɛnyɛ ahyɛdeɛ wɔ United States, a ɛtwe adwene si sɔhwɛ ne adansedie a ɛfa nneɛma ahobanbɔ adwumayɛ ho titire, na ne adansedie kɛseɛ no nka EMC (Electromagnetic Compatibility) su a ɛwɔ nneɛma mu no ho.

UL Adansedi krataa

Ne tiawa mu no, ɛde ne ho hyɛ nneɛma ahobammɔ adansedi ne adwumayɛ ahobammɔ adansedi nkrataa a wɔde yɛ adwuma mu titiriw. Ne botae titiriw ne sɛ ebenya nneɛma a ahobammɔ gyinapɛn kɛse wom ama gua so na aboa ma wɔahwɛ ahu sɛ ankorankoro akwahosan ne agyapade ahobammɔ. Wɔ nneɛma ahobanbɔ adansedie ho sɛ ɔkwan a ɛtu mpɔn a wɔfa so yi mfiridwuma mu akwansideɛ a ɛmma amanaman ntam aguadiɛ mu no firi hɔ no, UL nso di dwuma pa wɔ amanaman ntam aguadiɛ nkɔsoɔ mu.

UL titiriw de ne ho hyɛ nneɛma ahobammɔ adansedi ne adwumayɛ ahobammɔ adansedi adwuma mu. Ne botae titiriw ne sɛ ebenya nneɛma a ahobammɔ gyinapɛn kɛse wom ama gua so na aboa ma wɔahwɛ ahu sɛ ankorankoro akwahosan ne agyapade ahobammɔ. Wɔ nneɛma ahobanbɔ adansedie ho sɛ ɔkwan a ɛtu mpɔn a wɔfa so yi mfiridwuma mu akwansideɛ a ɛmma amanaman ntam aguadiɛ mu no firi hɔ no, UL nso di dwuma pa wɔ amanaman ntam aguadiɛ nkɔsoɔ mu.

Wɔhyehyɛɛ UL wɔ afe 1894. Wɔ mfiase no, na UL de ne ho to sika a odumgyafo insurance dwumadibea no de ma so titiriw na ama wɔatumi akura ne dwumadi mu. Ɛyɛ 1916 mu ansa na UL bɛyɛɛ nea ɛyɛ ne ho koraa. Bɛyɛ mfe ɔha akyi no, UL abɛyɛ adansedi adwumayɛbea a agye din wɔ wiase nyinaa a ɛwɔ ahyehyɛde no sohwɛ nhyehyɛe a ɛyɛ katee, gyinapɛn nkɔso, ne nneɛma a wɔyɛ ho adansedi akwan a edi mũ. Agyinatukuo bi a ananmusifoɔ a wɔfiri ahobanbɔ ho abenfoɔ, aban mpaninfoɔ, adetɔfoɔ, nwomasua adwuma, ɔmanfoɔ nnwuma, insurance adwumayɛkuo, ne gyinapɛn dwumadibea ahodoɔ na ɛhwɛ UL so. Ɔmampanyin ne ɔmampanyin abadiakyiri na wodi da biara da adwuma no ho dwuma. Mprempren, UL wɔ aduruyɛdan ahorow anum wɔ United States, na n’adwumayɛbea ti wɔ Northbrook kurow a ɛwɔ Chicago atifi fam no mu. Bere koro no ara mu no, wɔatew aduruyɛdan ahorow a ɛne no hyia wɔ Taiwan ne Hong Kong. Wɔ United States no, wɔ adetɔfo fam no, UL agyiraehyɛde no yɛ ahobammɔ ho sɛnkyerɛnne. Wɔ wiase nyinaa no, UL yɛ wɔn a wɔde wɔn ho to wɔn so sen biara a wɔde nhwehwɛmu a ɛfa sɛnea nneɛma hyia ho ma wɔn a wɔyɛ nneɛma no mu biako.

Logo Style a Wɔde Di Dwuma

Wɔtaa hyɛ UL agyiraehyɛde no agyirae wɔ ade no ne/anaasɛ ade a wɔde ahyɛ mu no so de kyerɛ sɛ ade no atwam UL adansedi krataa na ɛne ahobammɔ gyinapɛn ahwehwɛde ahorow no hyia.

UL afiri adansedie ne sɔhwɛ dwumadie ahodoɔ no titire ne Listing, Recognition, ne Classification.

Ɔsom mu Nsɛm

Nsɛm a Wɔakyerɛw (WɔAKYERƐW):

Mpɛn pii no, listing no fa nneɛma a wɔawie ne mfiri ahorow ne installations a adwumayɛfo a wɔfata betumi de asi ananmu anaa wɔde ahyɛ beae hɔ nkutoo ho. Nneɛma ahodoɔ a UL listing services ka ho asɛm no bi ne: ofie nnwinnadeɛ, nnuruyɛ nnwinnadeɛ, kɔmputa, aguadiɛ nnwinnadeɛ, ne anyinam ahoɔden nneɛma ahodoɔ a wɔde di dwuma wɔ adan mu, te sɛ anyinam ahoɔden kyekyɛ nhyehyɛeɛ, fuse, nhama, switch, ne anyinam ahoɔden nneɛma foforɔ. Wɔ nneɛma a UL akyerɛw ho no, mpɛn pii no wobetumi ahyɛ UL agyiraehyɛde agyirae wɔ nneɛma biara so. Ɛdefa agyiraehyɛde a wɔde kyerɛw nsɛm no a wɔde bedi dwuma ho.

Gye a wogye tom (Wɔgye tom): .

Recognition service no yɛ adwuma a ɛwɔ UL dwumadie mu. Wobetumi de nneɛma a wɔakyerɛ no adi dwuma sɛ nneɛma a wɔde yɛ nneɛma ne nneɛma a wɔde yɛ adwuma wɔ UL a wɔakyerɛw, a wɔahyehyɛ, anaa nneɛma afoforo a wɔagye atom nkutoo so. Nneɛma a wɔagye atom no nwie pɛyɛ wɔ nhyehyɛe mu anaasɛ ɛwɔ anohyeto ahorow bi wɔ sɛnea wɔde di dwuma mu de hwɛ hu sɛ ahobammɔ bɛyɛ adwuma a wɔhwɛ kwan. Mpɛn pii no, adwuma a wɔde di nneɛma a wogye tom akyi no hyɛ R kuw no ase. Nneɛma a wɔagye atom a ɛwɔ L kuw no mu no bi ne ɛlɛtrɔnik nhama (AVLV2), nhama a wɔayɛ ho adwuma (ZKLU2), nhama a wɔde hyɛ (ZPFW2), aluminium nhama (DVVR2), ne dade nhama a ɛyɛ mmerɛw (DXUZ2). Wɔhwehwɛ sɛ nneɛma a wɔagye atom no kura agyiraehyɛde a wɔde gye tom no.

Nkyekyɛmu (Nkyekyɛmu):

Nkyekyɛmu dwumadie no hwehwɛ asiane pɔtee a ɛwɔ adeɛ no mu nko ara anaasɛ ɛhwehwɛ nneɛma a ɛne gyinapɛn foforɔ hyia (a gyinapɛn a wɔagye atom wɔ amansan nyinaa te sɛ IEC ne ISO gyinapɛn ka ho) a ɛnyɛ UL gyinapɛn. Sɛ yɛbɛka no ɔkwan biara so a, nneɛma dodow no ara a wɔde ahyɛ mu no nyɛ nneɛma a wɔde di dwuma na mmom nneɛma a wɔde di dwuma wɔ nnwuma anaa aguadi mu. Nkyekyɛmu agyiraehyɛde a ɛwɔ UL agyiraehyɛde no mu no kyerɛ sɛ anohyeto tebea horow bi ne nsɛm a wɔakyerɛ wɔ hɔ bere a UL kyerɛ ade no. Sɛ nhwɛso no, wɔ nnuru a wɔde yɛ nneɛma te sɛ mfiridwuma mu nnuru a wɔde siw ano ho no, ogya ho asiane ahorow a ebetumi aba bere a ade no du ne hyew a ɛyɛ hyew no nkutoo na wɔhwehwɛ mu. Nkyekyɛmu dwumadie a wɔde ma nneɛma bi no ne dwumadie a wɔde kyerɛw nneɛma no yɛ pɛ, nanso mpɛn pii no, wɔhwehwɛ nneɛma no afã baako anaa dodoɔ bi pɛ mu. Sɛ nhwɛso no, wɔ United States no, ɛsɛ sɛ nnuruyɛ mu mfiri a wɔde hwehwɛ X-ray mu no di ɔman no mmara ne nhyehyɛe ahorow a ɛfa mframa a wɔtow gu ne hann a ɛyɛ pɛpɛɛpɛ wɔ ɔman no mu nyinaa so. Nanso esiane sɛ UL kyekyɛ X-ray mu sɛ nneɛma a wɔakyekyɛ mu nkutoo nti, ɛhwehwɛ afã horow te sɛ mfiridwuma mu adwumayɛ, anyinam ahoɔden adwumayɛ, ne nneɛma afoforo a ɛnyɛ mframa bɔne nkutoo mu.

Nneɛma a Wɔde Di Dwuma Pii, Nhumu Pii, anaa Nkyekyɛmu Nnwuma Pii:

Sɛ UL akwammisafoɔ bi, wɔ berɛ a wanya atifi hɔ din a wɔakyerɛw, agyedeɛ, anaa nkyekyɛmu dwumadie a yɛaka ho asɛm no akyi no, pɛ sɛ ɔyɛ adeɛ no wɔ adwumakuo foforɔ din ase de di adetɔn ahiadeɛ ho dwuma a, ɔbɛtumi abisa sɛ wɔmfa din dodoɔ, agye atom mpɛn pii, anaa nkyekyɛmu dwumadie ahodoɔ pii. Wɔ saa tebea yi mu no, wɔma nea ɔyɛɛ no a wanya nneɛma a wɔakyerɛw, agye atom, anaa nkyekyɛmu no kwan sɛ ɔde adwumakuw foforo din bedi dwuma wɔ nneɛma a wɔahyehyɛ no mu, nanso ɛsɛ sɛ ade no, gye adwumakuw no mmara, nneɛma ho mmara, anaa su afoforo a UL bu sɛ ɛyɛ nea wogye tom no, ne ade a wɔakyerɛw din, wɔagye atom, anaa wɔakyekyɛ mu mfiase no hyia.

"AL" Listing, Recognition, anaa Nkyekyɛmu Dwumadie:

Sɛ UL abisafoɔ mpɛ sɛ ɔnya listing, recognition, anaa classification services wɔ n’ankasa adwumakuo din mu a, ɔbɛtumi abisa listing, recognition, anaa classification wɔ adwuma foforɔ din mu (mpɛn pii no adetɔnfoɔ anaa adetɔnfoɔ kɛseɛ), kyerɛ sɛ, "AL" listing, recognition, anaa classification service. Nsonsonoeɛ a ɛda ɛno ne listing dodoɔ, agyedeɛ dodoɔ, anaa classification dwumadie ahodoɔ ntam ne sɛ ɔbisafoɔ no nyɛ adwumakuo a wɔakyerɛw no.

Adansedi ho nhyehyɛe:

Ɔhwehwɛfoɔ no siesie nhwɛsoɔ no --- siesie nneɛma a ɛne no hyia --- ɔhyehyɛ sɔhwɛ no --- ɔsɔ sɔhwɛ ne nneɛma no hwɛ --- ɔwie amanneɛbɔ no --- ɔhyehyɛ adwumayɛbea nhwehwɛmu no --- ɔnya adansedie krataa no.

UL [Amerika Atifi fam] .

UL Adansedi krataa

Logo Style a Wɔde Di Dwuma

Ɔsom mu Nsɛm

CB (Ahobammɔ) [Amanaman Ntam Nhyehyɛe a Wogye Tom].

SAA [Australia] na ɛwɔ hɔ.

FCC VOC [Amerika Atifi fam].

C. E. Mark [Europa Aman Nkabom] .

SONCAP(Ahobammɔ) [Nigeria].

SIRIM (RF) [Malaysia] .