electric fence
US /ɪˈlɛktrɪk fɛns/
UK /ɪˈlɛktrɪk fɛns/

1.
cerca elétrica
a fence or barrier through which an electric current is passed, typically to deter animals or people from crossing
:
•
The farmer installed an electric fence to keep the cattle in.
O fazendeiro instalou uma cerca elétrica para manter o gado dentro.
•
Be careful, that's an electric fence!
Cuidado, isso é uma cerca elétrica!