It is probable that we all have receptacle testers at our homes but maybe we don’t know of their existence. But, these are vital electrical safety devices which we should never lack. They are mostly power outlets that you’ll find in many areas of your home such as the bathroom. It is basically a safety electrical device that basically compares the current leaving hot terminal and the one entering the neutral. It there is such a worrying discrepancy, this device automatically shuts off the circuit. It is simply a device that detects leakage of electric current.
As you might be aware, when electric current flows through any device, it starts from the hot terminal and returns through the ground terminal. Now, what a receptacle does is that it measures the difference between outgoing and incoming electric current. When there is a large difference, then you know that there is a possibility of a short circuit or a sign that something is seriously wrong.
Basically, a receptacle tester has two buttons, the test, and the reset button. Now, the test button is just there to that the mechanical operation of the reset switch is just okay. Besides, the gadgets need to cut off power in case there is a huge possibility of you getting electrocuted. So, if you are carrying out wiring or just verifying the effectiveness of the circuit, this is an inevitable device to have. Now, here are the top 10 best receptacle testers in 2019 reviews.