Te whakarōpūtanga o te pana kawenga ngaohiko teitei:

He taputapu whakawhiti te pana kawenga i waenganui i te kaiwawao hiko me te pana wehe. He taputapu tinei pewa ngāwari ōna, ka taea te aukati i te iahiko kawenga tāpiri me ētahi iahiko taumaha, engari kāore e taea te aukati i te iahiko ara-poto. Ka taea e te pana kawenga te whakakā me te whakaweto i te iahiko kawenga, te iahiko whakaoho, te iahiko utu me te iahiko peeke pūnga i raro i ngā āhuatanga mahi noa.

1) Pana kawenga ngaohiko-tiketike momo korehau: te whakamahinga o te reo korehau hei tinei i te pewa, he roa te ora hiko, he teitei te utu whanaunga, ā, he pai mō ngā taonga o te 220 kV me raro iho.

2) Pātene kawenga ngaohiko teitei rumakina ki te hinu: Ka whakamahia te kaha o te pewa tonu hei wawahi me te whakamatao i te hinu huri noa i te pewa, ā, ka whakamatao, ka whakairi hoki i te pewa.

3) Pana kawenga ngaohiko-tiketike momo whanariki hexafluoride: mā te whakamahi i te hau whanariki hexafluoride hei tinei i te pewa, he nui tōna ia pakaru, ā, he pai te mahi a te ia pakaru o te pūnga, engari he āhua pōrearea te hanganga, ā, he pai mō ngā hua o te 35 kV me runga ake.

4) Pana kawenga ngaohiko-tiketike kōpeke: Ka whakamahia e ia te hau kōpeke o te piston i te wā e pakaru ana hei pupuhi i te pewa, ā, he tino māmā tōna hanganga, ā, he pai mō ngā hua o te 35 kV me raro iho.

5) Pātene utaina ngaohiko teitei totoka: Whakamahia te kaha o te pakaru o te pewa tonu hei hanga i te rauemi whakaputa hau i roto i te rūma pewa kia puta ai te hau hei pupuhi i te pewa. He tino māmā tōna hanganga, ā, he pai mō ngā hua 35 kV me raro iho.

6) Pana kawenga ngaohiko-teitei momo hau kōpeke: mā te whakamahi i te hau kōpeke hei pupuhi i te pewa ka taea te whakakore i te iahiko nui, ā, he āhua pōrearea tōna hanganga, he pai mō ngā hua 60 kV me runga ake.