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Joined: Oct 2000
Posts: 5,392
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very true Mike etta> some folks use this sort of 'twin lead' uhmmm indicatorfor K&T> ![[Linked Image from westernfenceco.com]](http://westernfenceco.com/store/images/69136.jpg) but what they do (you fellas are probably gonna spank me for this one) is hold one lead to a wire, while holding the other the light glows, but just dim ~S~
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Joined: Jun 2006
Posts: 613
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I have held 1 end and touched the other to a live wire. Kind of a bad child of the swipe your finger over the bare end to see if it is live.
I can tell you a neon tester is no match for a High voltage transformer. Not even at the end of a wooden broom handle, wearing leather gloves with insulated boots on an aluminum ladder and only 1 end of the neon touching the live terminal, the other lead from the neon was in the air.
BTW it was a transformer for an electrostatic Air cleaner that did not seem to make the dust go snap. It made me go snap. I learned a few lessons about trouble shooting and high voltage that day. Fortuneately I survived to apply the lessons I learned.
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Joined: Apr 2002
Posts: 7,382 Likes: 7
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~s~:
That looks like what I thought Greg was talking about, but a more 'modern' version. The guards and the long probes look like a modern touch.
John
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Joined: Jul 2004
Posts: 9,931 Likes: 34
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This is a neon pen tester. ![[Linked Image from gfretwell.com]](http://gfretwell.com/electrical/neon%20tester.jpg)
Greg Fretwell
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Joined: Apr 2002
Posts: 7,382 Likes: 7
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Greg:
I must say I do not remember ever seeing/using one of them.
John
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Joined: Dec 2001
Posts: 2,498
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in Europe (Continental) you can buy those in every supermarket and DIYers believe them to be actual accurate meters.
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Joined: Jul 2004
Posts: 9,931 Likes: 34
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They are probably more reliable at 220v.
Greg Fretwell
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Joined: Jul 2007
Posts: 1,335
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Although I never used them, I know what Ther are. Does that make me old? Why they teach you not to put screwdrivers into receptacles, they make s gizmo like that. Go figure! 
"Live Awesome!" - Kevin Carosa
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Joined: Dec 2001
Posts: 2,498
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I've seen some of those screwdrives labeled 120/230V so they seem to be at least designed to work in the US too. They aren't known to be very reliable here though. I've never had a false negative, but apparently they're quite common. False positives most definitely are (dead conductors showing as hot).
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Joined: Dec 2002
Posts: 337
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So that is what that is. My Father-in-law had one and when he died none of his family knew what t was for. Hmm, I guess that I am just a know nothing engineer after all.
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Posts: 362
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