Hoʻohana nui ʻia ʻo XL-21 Metal power distribution cabinet i nā ʻoihana ʻenehana a me nā ʻoihana mining.ʻO ke alapine AC 50Hz, ka uila ma lalo o 500 ʻekolu manawa ʻekolu uea, ʻekolu manawa ʻehā-uea ʻōnaehana mana, kukui uila No ka hāʻawi ʻana i ka mana.Hana ʻia kēia ʻano huahana i loko o ka pā kila me ka kuʻi ʻana a me ke kuʻi ʻana, ka puka lima hema hoʻokahi, a ua hoʻolako ʻia ka pahu hana hoʻololi me ka mea ana ma ka puka o luna o ke kolamu ʻākau i mua o ka pahu.hana a me nā mea hana hōʻailona.Ma hope o ka wehe ʻana i ka puka, ʻike ʻia nā mea uila a pau, kahi kūpono no ka nānā ʻana a me ka mālama ʻana.Kāohi i ka lepo a me ka wai ua mai ke komo ʻana;ua hoʻolakoʻia ka pahu me kahi papa lalo e kau nei, hiki ke hoʻokomo i nā mea uila, ka puka ʻO ka weheʻana ma mua o 90 ° a ua maʻalahi ka'ōwili.Hoʻohana ʻia nā laina komo a me nā laina i waho e ka uea kaula, i hilinaʻi loa.