ʻO ka S6061SC/SF series spring return a me nā mea hoʻoheheʻe uahi ahi i hala i ka palapala UL

ʻO ka palapala hōʻoia UL he palapala hōʻoia ʻaʻole i koi ʻia ma ʻAmelika Hui Pū ʻIa, ʻo ka hoʻāʻo nui ʻana a me ka hōʻoia ʻana i ka hana palekana o ka huahana, a ʻaʻole i hoʻokomo ʻia kāna palapala hōʻoia i nā hiʻohiʻona EMC (electromagnetic compatibility) o nā huahana.He hui kūʻokoʻa kūʻokoʻa ʻo UL, ʻaʻohe waiwai, ʻoihana e hoʻāʻo ana no ka palekana o ka lehulehu.Ua hoʻokumuʻiaʻo UL ma 1894. I ka wā mua, ua hilinaʻi nuiʻo UL i nā kālā i hāʻawiʻia e ka 'inikua ahi e mālama i kāna hana.ʻAʻole i ka makahiki 1916 i kūʻokoʻa loa ai ʻo UL.Ma hope o hoʻokahi haneli mau makahiki o ka hoʻomohala ʻana, ua lilo ʻo UL i kino hōʻoia kaulana i ka honua me kahi hoʻonohonoho o nā ʻōnaehana hoʻonohonoho koʻikoʻi, hoʻomohala maʻamau a me nā kaʻina hana hōʻoia huahana.

Ua hoʻokumu ʻia ka palapala hōʻoia UL e ka palapala hōʻoia, ʻoihana hoʻomohala maʻamau, ʻoihana hui, ʻoihana hui.1894, a ʻo UL hoʻi ka mea nāna i hoʻomohala i nā kūlana ʻāina ʻo Kanada.

He mea nui ka loaʻa ʻana o ka UL Certification no ka mea e hōʻike ana i ka mākaukau o ka mea hana a me nā mea lawelawe.Makemake nā mea kūʻai aku e ʻike i ka ʻoihana a lākou e hoʻolimalima ai e hoʻokomo i kā lākou mau mea pono e hana pono i ka hana, a e lawe lākou i ka manawa e hōʻoia i ka hoʻāʻo ʻana o nā huahana a pau a lākou e hoʻokomo ai i nā kūlana palekana.Hōʻike pū ka UL Certification i ka hui ʻana o kahi hui i nā kānāwai palekana kūloko a federal a me nā kaiapuni.Hiki iā ʻoe ke hōʻoluʻolu i ka ʻike ʻana ua palekana kāu mau limahana a me nā mea kūʻai aku.

Hāʻawi ka UL Verification Mark i ka hoʻāʻo ʻana a me ka hōʻoia ʻana no nā koi kūʻai aku a nā mea hana no kā lākou huahana, e like me ka hana huahana, ka maikaʻi, a me nā koi hana.

ʻO ke koʻikoʻi o ka hōʻailona hōʻailona UL i ka ʻoihana:

1. Hoʻohana ka huahana i nā ʻano palekana huahana;ke koho nā mea kūʻai a me nā ʻāpana i ka hōʻoia huahana US, maʻalahi ke koho i nā hōʻailona huahana me ka mākeke holoʻokoʻa.

2. ʻO ka mōʻaukala o UL he moʻolelo ma mua o 100 mau makahiki.Ua paʻa loa kāu kiʻi i nā mea kūʻai aku a me ke aupuni.Inā ʻaʻole ʻoe e kūʻai aku i nā huahana i nā mea kūʻai aku, pono ʻoe e koi i nā huahana e loaʻa i ka palapala UL, i hiki ke hana hou ʻia nā huahana.

3. ʻOi aku ka hilinaʻi o nā mea kūʻai aku a me nā ʻāpana kūʻai ʻAmelika i nā huahana o ka hui.

4. Aia ma mua o 40,000 mau ʻāpana hoʻomalu ma ʻAmelika Hui Pū ʻIa, mokuʻāina, kalana, a me nā aupuni kūloko, ʻike lākou a pau i ka hōʻailona UL.

ʻO ka palapala UL i loaʻa e nā huahana Soloon he mea koʻikoʻi nui ia i ke kūʻai ʻana i kā mākou huahana ma ʻAmelika Hui Pū ʻIa, Kanada a me nā ʻāina ʻē aʻe.