Enye yezinzuzo eziyinhloko ze-120A yezitolo eziphezulu zamanje yikhono lokusingatha imisinga ephezulu kalula.Ilinganiselwe kufika ku-120A, ihlinzeka ngamandla angaguquguquki, athembekile ezindaweni ezifunayo zezimboni.Lokhu kunciphisa kakhulu ingcuphe yokunqamuka kukagesi nesikhathi sokuncipha esihlobene, okuvumela amabhizinisi ukuthi agcine amazinga okukhiqiza futhi anciphise noma yikuphi ukulahlekelwa okungaba khona.Ukwengeza, i-120A high-current outlet yakhelwe kalula ukuyifaka nokugcinwa kahle engqondweni.Uxhumano lwe-press-fit luvumela inqubo yokufaka esheshayo nelula, yonga isikhathi nomzamo.Ukwengeza, ukwakhiwa okuqinile kwesokhethi kuqinisekisa impilo ende yesevisi, kunciphisa isidingo sokushintshwa nokugcinwa njalo.