Ee, bari mu fara fahimtar wasu halaye na ɗakunan rarraba wutar lantarki da ɗakunan baturi, musamman wadanda ke da batirin gubar-acid (UPS, wutar lantarki mara katsewa). Wajibi ne a shigar da na'urorin hasken wuta masu hana fashewa a cikin waɗannan wuraren.
Wannan shi ne saboda batura a cikin waɗannan ɗakunan suna haifar da iskar hydrogen, kuma ko da karamin tartsatsin wuta na iya haifar da fashewa a lokacin da iskar gas ta taru.