voltagetester
nounUK /ˈvəʊltɪdʒ ˌtɛstə/
US /ˈvoʊltɪdʒ ˌtɛstər/
A tool that checks if electricity is in something.
The electrician used a voltagetester to make sure the wire was safe.
RELATED WORDS
OTHER MEANINGS
2. A small device that shows how much electrical push a battery or socket has.
He touched the voltagetester to the battery to see its charge.
3. A pen-shaped tool that lights up when it is near live electricity.
She always carries a voltagetester in her toolbox.
4. A gadget used to find out whether a wire is live or dead before working on it.
Before touching the switch, he checked it with a voltagetester.