Pankhani ya zida zamagetsi, chitetezo nthawi zonse chimakhala chofunikira kwambiri. Ichi ndichifukwa chake socket ya 120A yapamwamba imakhala ndi zida zachitetezo chapamwamba kuti zitsimikizire kuti zikuyenda bwino. Ndi zinthu monga chitetezo chochulukirachulukira komanso zida zosagwira moto, mutha kukhala otsimikiza kuti inu ndi zida zanu ndinu otetezedwa bwino. Pomaliza, soketi yamakono ya 120A yokhala ndi cholumikizira chozungulira ndi bar ya basi yamkuwa ndikusintha kwamakampani opanga zamagetsi. Kuchita kwake kwapadera, kudalirika, kulimba komanso chitetezo zimapangitsa kukhala chisankho chabwino kwambiri pakugwiritsa ntchito kwamakono. Osakhazikika pamagetsi ocheperako, sinthani ku malo a 120A apamwamba kwambiri ndikupeza kusiyana kopereka mphamvu kuposa kale.