overcurrent
/ˈəʊvəkʌrənt/ /ˈəʊvəkʌr(ə)nt/noun
Electricity. An electric current in excess of that which is normal, safe, or allowed for. Usually attributive, as overcurrent device, overcurrent protection, overcurrent trip, etc.
Origin
Early 20th century (in an earlier sense). From over- + current.