ET45 two wire voltage tester I bought the two piece product...Klein's test kit. Their NON-instructions...never explain how to use the fricken wires to TEST for the hot wire. do I use one or both or blk first or both at the same time. You Suck!!! I'm now wasting ...
Ease Of Use (4) Showing 1-3 of 21 reviews Great help We have an older house with equally old wiring. This is a great and safe way to check the reliability of the wiring . Takes just a couple of seconds to check Helpful? Random but cool ...