Nguzogide mmiri nke ọkụ mgbawa LED na-adabere na ọkwa nchebe nke casing. Kpọmkwem, casings ezubere maka nchekwa mmiri ozuzo n'èzí ga-enwerịrị ogo mgbochi mmiri nke ọbụlagodi IPX5, na-egosi ike ha iguzogide jet mmiri si n'akụkụ niile na-enweghị nkwụsị.
Ya mere, ịkọwapụta ọkwa nchedo casing dị oke mkpa mgbe ị na-azụta ọkụ ọkụ na-agbawa ọkụ, na nlebara anya nha anya kwesiri ka eleba anya na nguzogide corrosion ha iji hụ na a pụrụ ịdabere na ya ogologo oge.