An ƙera na'urorin lantarki masu hana fashewa musamman tare da matakan fasaha cikin tsari da aiki don gujewa kunna wuta ko muhalli., ta haka ne ke hana fashe fashe.
Wannan kayan aiki ya bambanta da na'urorin lantarki na masana'antu da na gida. Dangane da tsari, kayan aikin kariya ya kamata ya ƙunshi matakin kariya da ya dace (IP rating) don kiyaye abubuwan haɗin lantarki na ciki da wayoyi daga tasirin waje da yuwuwar lalacewa. Haka kuma, waɗannan na'urori suna sanye da na'urorin haɗin kebul don haɗawa da tushen wutar lantarki na waje ko na'urorin lantarki, sauƙaƙe ayyukan da aka yi niyya. Gabaɗaya, na'urorin lantarki masu hana fashewa dole ne ya nuna ƙaƙƙarfan kaddarorin lantarki da na inji kuma abin dogaro, fasalolin aminci na musamman na fashewa. Sakamakon haka, a cikin mahallin da ke da alaƙa m gas, kamar a cikin mai, sinadaran, da kuma sassan hakar kwal, Kayan aikin lantarki mai tabbatar da fashewa yana da mahimmanci don amintaccen shigarwa da aiki.
An rarraba cikin (8+1) iri dangane da hanyoyin fasaha da iyakokin aikace-aikace, wadannan sun hada da (8+1) ƙirar fashewa-hujja: hana wuta “d,” ƙara aminci “e,” matsa lamba “p,” aminci na ciki “i,” nutsewar mai “o,” cika foda “q,” encapsulation “m,” nau'in “n,” da kariya ta musamman “s.” Kowane nau'i an ƙara rarraba shi zuwa Matakan Kariya na Kayan aiki guda uku (EPL) – Darasi a, Darasi b, da darajar c – dangane da amincin matakan fasaha na su. Wannan faffadan rarrabuwa yana tabbatar da cewa an rufe duk kayan lantarki da ake amfani da su a wuraren masana'antu tare da fashewar gas, inganta aminci sosai daga fashewar nau'in fashewar da na'urorin lantarki ke haifarwa.
A cikin samarwa, an mai da hankali kan fashewa-hujja tsarin da tasirin sa wajen isar da aikin aminci, tare da tabbatar da bin ƙayyadaddun ƙira a cikin tsarin masana'antu.