They’re inexpensive and easy to use, and they help keep you safe when doing DIY electrical work. Solution: Test. Use. Verify. First, test the tester by holding it to a known live circuit, like a ...

Personally, I don't recommend wasting money on cheap multitools. It's a false economy and a classic case of 'buy cheap, buy twice.' I've been sent dozens for testing, and they've all been poor quality ...