Ngā mono ahumahie whakamahia ana mō ngā hononga hiko i roto i ngā taiao ahumahi, hei whakatutuki i ngā hononga mono me te momotu haumaru, pumau, me te tere i waenga i ngā taputapu me ngā pūtake hiko. He whānuitia te whakamahinga i roto i ngā āhuatanga pēnei i ngā taputapu wheketere, ngā mahi hanga mīhini, ngā papa hanga, ngā mīhini whakarewa, ngā pouaka tohatoha, ngā kaipuke me te pūtake hiko rangitahi o waho. Ko tana mahi matua he whakarei ake i te haumaru o te whakamahinga hiko me te ārai i ngā mono noa mai i te pā kino, te porowhita poto, te taka rānei i roto i ngā taiao au nui, haumākū, puehu, wiri rānei. Ko ngā mono ahumahi he ātete wai, he ātete puehu, he ātete pāmahana teitei, me te ātete pānga. Ko ngā taumata tiaki noa ko te IP44 me te IP67.

Mō te utu, he rerekē rawa ngā mono ahumahi i runga i te waitohu, te rauemi, te whakatauranga o nāianei (16A/32A/63A/125A), te taumata tiaki, me te mea he hanganga raka, kāore rānei. Ko te utu mō te mono ahumahi taketake 16A o te whare, he tata ki te 10 ki te 30 yuan. Ko te whakatakotoranga 32A he tata ki te 20 ki te 60 yuan. Ko ngā tauira taumaha o te 63A me runga ake, ka taea te utu i te 80 ki te 300 yuan, neke atu rānei. Ko te utu mō ngā waitohu kawemai (pēnei i a Schneider, ABB, me ētahi atu) he 2 ki te 5 ngā wā i ērā o te whare.

I te nuinga o te wā, ko te kōwhiringa o ngā mono ahumahi me ahu mai i te aromatawai whānui o te iahiko e whakamahia ana, ngā āhuatanga taiao me ngā whakaritenga haumaru, kaua ko te titiro noa ki te utu.