1. Igwe ọkụ a na-eji eme ihe nwere ike ịmepụta 360-400mm ray nke ìhè, nke nwere ike ịdọta anwụnta gburugburu ka ọ dị nso na isi iyi ọkụ.Mgbe anwụnta na-efega nso n'ebe ọkụ ahụ dị, grid jupụtara na ọkụ eletrik ga-egbu ha.
2. Enweghị wiring na enweghị batrị iji dochie ma ọ bụ fanye.Ihe owuwu rọba siri ike nwere ike idi ọtụtụ afọ nke mmiri ozuzo, snow, ice na ifufe.
3. Nwụnye dị mfe;Naanị wepụ igbe ahụ ma rapara n'ime ala.
4.Ha tinye ike anyanwụ n'ehihie na ọkụ n'abalị.