Tsayin shigarwa don akwatunan mahaɗar fashewa gabaɗaya an saita a 130 ku 150 santimita.
Waɗannan kwalayen kayan aikin rarraba wutar lantarki ne na musamman, musamman an ƙera don amfani a cikin mahalli masu haɗari. Sabanin daidaitattun akwatunan mahaɗar gida, Akwatunan mahaɗar fashewar sun sami gyare-gyare daban-daban don ba su damar iya fashewa.. Wannan karbuwa ya sa su dace musamman don yanayin inda m abubuwa na iya kasancewa, tabbatar da amintaccen rarraba wutar lantarki a cikin irin waɗannan saitunan masu mahimmanci.