ʻO ka pahū-hōʻoia (kahi spelled explosion proof) ua kūkulu paʻa ʻia nā pahu hui no ka hoʻohana ʻana i nā wahi pōʻino.Hoʻonoho lākou i nā ʻāpana uila like ʻole e like me: nā poloka terminal, nā hoʻololi, nā mea hoʻololi, nā relay a me nā mea ʻē aʻe a me nā mea hoʻonaninani.Hoʻolālā ʻia kēia mau pahu e loaʻa i kahi pahū o loko mai nā kinoea, nā mahu, nā lepo a me nā fibers e mālama i kahi ea a puni.Kūleʻa lākou i ka corrosion a mālama i ka hoʻomanawanui kiʻekiʻe i nā wela wela.ʻO kēia mau pā ahi ka hopena kūpono no nā wahi pōʻino.Ma muli o ka pahū ʻana, e loaʻa iā lākou nā pahū o loko mai ka laha ʻana i waho o ke kaiapuni, pēlā e pale ai i nā ʻeha a me ka pōʻino o ka waiwai.
Hoʻokaʻawale ʻia nā pā pahū a me nā pā ahi i loko o nā helu pale ʻē aʻe, ma muli o ka wahi a me ke kiʻekiʻe o ka pale a lākou e hāʻawi ai.Hoʻokumu ʻia kēia mau helu i ka National Electrical Manufacturers Association (NEMA), a me ka International standard EN 60529 no Ingress Protection (IP) e hōʻike ana i ke kiʻekiʻe o ka pale ʻana i nā pōʻino uila e like me ka corrosion, ka lepo, ka ua, ka splashing & hose-directed water. a me ka hana hau.
Hoʻolālā ʻia nā pā pahū-hōʻoia me nā lepa wili lōʻihi e maʻalili a loaʻa ka pahū i loko o ka pā.No laila, ʻaʻole e hoʻolaha ʻia kēlā me kēia arc uila i ka lewa pahū waho.
● He palekana a hilinaʻi hoʻi i nā lewa pahū.
● Hiki i ka pahū pahū ke kōkua i ka poʻe a pau e hana ana i ka pōʻino e noho palekana i ka wā o kahi ulia pōpilikia.Hoʻemi pū ia i ka pōʻino.
● ʻO ka mea i hoʻohana ʻia i loko o ka pā he paʻa.Loaʻa iā ia ke kūpaʻa hopena kiʻekiʻe.
● Hoʻopili ia i nā kūlana palekana kiʻekiʻe.
● He kūlana kiʻekiʻe kona palekana.