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Okay, I just wanted to demonstrate the bonus design for the cigar tube circuit tester
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This particular design, it's similar to the original cigar tube circuit tester design
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The only difference is, is this cigar tube circuit tester has a secondary positive probe
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this red wire with the alligator clip on it. You can use either this alligator clip or this paper clip probe to be your what I call the positive probe. So this probe is connected to this probe and vice versa. They're connected at the same point. It just allows you to either use this probe if you want or either this probe if you want. The negative
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probe which is this black alligator clip is the same The other differences on this bonus design is this buzzer here
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And instead of having two LEDs, a red and white one like the original cigar tube circuit
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design or circuit tester design, there's only one green LED for this bonus design
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So that means that this bonus design, it can only perform tests when you have the circuit tester in a negative grounding situation
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So let me show you how this works. I'm going to take the black alligator probe and attach it to the negative terminal of the 9 volt battery
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And I'm going to use the probe first. And when I touch the paperclip probe to the positive terminal of the battery we will see the green LED light up and then you hear the buzzer go off
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Now, I can also use this red alligator clip. functions just like this paper clip probe here and I can attach it to the positive terminal of the battery and again the green LED will light up and the buzzer will go off
2:51
Now again, this design only allows for negative grounding testing. That means that if I connect, let's say
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the black alligator clip to the positive terminal this time And then I take the paper clip probe and touch the pause or the negative terminal of the battery then nothing happens the LED does not light up and
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the buzzer does not go off because I have my black alligator clip which is
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considered to be my negative ground probe is touching the positive terminal instead of the negative terminal, so it is positively grounded
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And this particular design of the cigar tube circuit tester can only test for negative grounding
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So if I switch and now I'm touching the alligator clip to the negative terminal of the battery
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and then I'm touching the probe of the... cigar tube circuit tester to the positive terminal of the battery. And that is a negative ground
