
Tìm kiếm
Voltage tester
01
thiết bị kiểm tra điện áp, máy đo điện áp
a handheld tool used to determine the presence or absence of electrical voltage in a circuit or electrical outlet
Example
Before starting any electrical repairs, it is important to use a voltage tester to ensure the circuit is not live.
He used the voltage tester to check if the outlet was providing power before plugging in the appliance.