Igbe nkwụsị mmiri MG usoro bụ nha nke 500× 400× Ngwa 200 anaghị egbochi mmiri maka ichedo wiwi eletrik na njikọ. A na-eji ihe ndị dị elu mee igbe nkwụsịtụ ma nwee ezigbo ọrụ mgbochi mmiri, nke a pụrụ iji mee ihe na gburugburu ebe dị njọ.
The MG usoro waterproof junction igbe bụ adabara n'èzí na ulo oru ebe, na nwere ike ọtụtụ-eji na ubi dị ka ike usoro, nkwurịta okwu ngwá, mines, ewu saịtị, wdg Ọ nwere ike n'ụzọ dị irè igbochi mmiri, ájá, corrosive bekee, wdg si. ịbanye n'ime ime igbe nkwụsị, na-echebe nchekwa na ntụkwasị obi nke njikọ eletrik.