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DIY Electric Fence Indicator Light

Posts: 67
Location: Mille Lacs, MN
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Sadly, no, this is not a thread showing how I made my own DIY indicator light.
Rather, I'm hoping someone can help me find a solution.

I want to have a visual indicator (flashing light) that tells me my electric fence is on and functioning above 4,000 volts.

There are many units on the market, but they all seem to fail at least one of my qualifications:

1) That they flash with each pulse of the fence. I want to look out my window before bed and get a warm and fuzzy feeling, knowing that my animals are safe from predators.

2) That they alert you to a drop below 4,000 volts. Almost all of the lights say they will "warn you if voltage is low", but nearly all of them omit the spec and don't tell you what "low" voltage is.

3) That they function without a battery.

Any insights in to something already on the market?
Or if not, how I can make something that triggers an LED at pulses above 4,000 vdc?

master pollinator
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I had one as you describe; I'll see if I got it still (I think I have it at another house I have) and then we can see about shipping it to you. Too another Permie, free of course.
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I stumbled across this product via a video ad.  ... in case the url doesn't work here, just search "Tractor Supply Company Electric Fence Light"... I wanted to see if I could do a cheap (free) diy and found your post in my search results. I'm no electrician, so I don't want to experiment at using old Christmas light bulbs without some input. Has anyone tried direct wiring Christmas tree light bulbs to an electric fence?
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