Akwatunan bututun da ke hana fashewa, da farko an ƙera shi don zaren zare da reshen wayoyi, suna da mahimmanci a cikin mahallin inda tsawon wayan lantarki ke da mahimmanci. Misali, a lokacin da haɗa uku galvanized bututu, Akwatin buɗaɗɗen fashewar hanya ta BHC-G3/4-B ya zama dole.
Da bambanci, akwatunan mahaɗar fashe-fashe na gida tubalan tasha don amintattu da rarraba layukan lantarki. Sabanin akwatunan rafi, wanda yawanci fanko ne, akwatunan haɗin gwiwa suna sanye da kayan aikin aiki.
Akwatunan magudanar ruwa sun faɗi ƙarƙashin Exe ƙara aminci nau'in, yayin da akwatunan junction aka kasafta kamar Exd flameproof irin. Duk da cewa duka biyu suna da ƙayyadaddun sashi na 6, sun bambanta da nauyin nauyi da tsarin tsarin.