0 votes
by (340 points)
What is a non contact voltage tester?

1 Answer

0 votes
by (380 points)
A non-contact voltage tester is the safest way to make sure the power is off without touching any wires. ... The tester will light up and/or make noise when it comes close to a hot (live) wire, even one that's covered in plastic insulation.

Related questions

0 votes
1 answer
asked Jul 13, 2021 by tester (340 points)
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
asked Dec 2, 2020 by conductive (520 points)
0 votes
1 answer
...