Does the fence pulse have enough energy to cause a magnetic
compass to "jump"?
If so, hold a compass up to the wire and see if it jumps when the
pulse fires. If it does, move further down the line until it stops
jumping. The short to ground should be right there.
On Tuesday, July 5, 2016 at 11:13:21 PM UTC-4, Dean Hoffman wrote:
That's what I was thinking too. Normally an animal is grounded, standing
on the earth, the wire insulated. The animal completes the circuit.
Here the wire is on top of a creosote timber, sounds like the small animal,
eg rabbit or squirrel is on top of the timber too, so there is no circuit.
Testing with a cheap neon tester like you'd use for AC or for a car
ignition tester would work.
On Wed, 6 Jul 2016 06:08:39 -0700 (PDT), firstname.lastname@example.org wrote:
There are two parallel wires along the tops of the ties. One is connected
Remember it worked for years, until this summer. What I am going to do on
my next visit is to visually follow the wires around and see if I can spot
Don. www.donwiss.com (e-mail link at home page bottom).
What's to know? Either there's output or there's not.
Simplest way to check is simply take a screwdriver(*) and touch the hot
to ground and see if get a hot spark...if not, you've either got a
ground or an open.
Disconnect the fence/wire at the charger and check the outputs there the
Don't know anything about the specific unit; older ones used a
electro/mechanical "chopper" that could fail--a plug in unit looking
physically much like the old turn signal chopper; functions same way.
Some, in fact, actually used them altho afaik now if it's not all solid
state they're 3- or 4-prong "timers"...same function.
(*) Dad always carried a pair of CeeTee pliers which have no insulation
on handles. _IF_ you are sure to get a good ground against the post,
you can do the above test without getting shocked yourself. It does,
however, take some practice to do it right every time... :)
Doesn't anyone own a neon tester anymore? Just getting it close to the
wire should light it up.
OTOH you could just touch it with the back of your hand. It won't kill
you. If you are wearing rubber soled shoes it won't even hit you that
Grab the wire. If it doesn't set you on your ass it's not working.
Are the wires mounted properly on insulators??
Chippies can jump over / between the wires without touching the wires
- and definitely without touching both wire and ground. To be
effective you need wires stretched about 1.2 -2 inches apart -
alternating between grounded and powered so the have to touch both
Wed, 06 Jul 2016
01:51:40 GMT in alt.home.repair, wrote:
The animals have to be able to complete the circuit, or, nothing will
happen. You can hold a hot wire all day long, as long as you're not a
source to ground. You might want to change your search parameters.
Lowe's carries a simplistic one for less than ten dollars; Neon
lights and resistors, I don't remember the exact range limit...5kv..
mebbe 10kv.. I don't think it'll do much
it's around $50 or so. Digital, more in lines of what you're looking
for. You might be able to find it cheaper elsewhere, though.
I know you said your meter says all is well, but, it does sound like
you've got a short circuit in the fence wiring. If you don't resolve
it, you can damage the chargers internal circuitry upto and including
It's important to have a good ground and a ground 'bed' too. I run
multiple wires myself. Switching between ground and 'hot' as I go.
That way, the animal has a better chance of completing the circuit if
they come across it. I don't have to rely on the critter to be
standing on the ground and have the ground moist or anything to make
it a good conductor. Redundancy is achieved with my additional wires
on the fence that are ground wires. As in, ground, hot, ground, hot,
ground, hot, etc.
I also have three wires in close proximity to each other across the
top. The middle wire is hot (it's sitting on a thin piece of plastic
on the top of the pole, so that it isn't shorted out as the pole is
ground and has ground wires attached to it), the left and right are
grounds; so if a critter decides to try some high tight rope walking,
I *should* still get them. Unless the little bastard has small enough
paws to walk the middle wire without touching anything else. I've yet
to see one do that, though.
Funny story concerning continuity testing with a meter. I noticed
wiring a house once, on an especially long run, the meter showed no
short circuit, but firing the breaker for that wire resulted in a
trip right away. A hard trip, so, yea, a short circuit. Nothing was
plugged into the receptacles on the line; so it wasn't an issue of a
plugged in device having a short. It was my meter not using enough
juice for a continuity test of the distance I was trying.
Yours may also have the same problem.
Google is very helpful. I found instructions/schematics for building
my own. So far, it works well, too. [g] It's using a coil intended
for a v8 though.. Likely putting a lot more on the lines than I need,
but, it's keeping critters away from my moms garden, quite nicely.
Why, it's even removing weeds near the fence line. ROFL. And, it's
made me want to piss myself on more than one occasion when I screwed
up and made contact with it while it was energized.
If you follow that wiring suggestion, you'll have better results with
the electric fence.
Here's a nice schematic for one that I've tested based on it and
succesfully built. A word of caution, when assembling/playing with
these devices, do not touch any components while it's energized.
you'll feel like you got kicked by a horse, hard! You might think a
12volt power source won't do anything, but, by the time it's coming
out of the device, it's not 12volts anymore.. and, it'll do more than
That doesn't include the time I was using a push mower and got too
close to one of my hot wires. It arced and I got it. Ouchie #2
Good luck and happy experimenting!
MID: <nb7u27$crn$ email@example.com>
Hmmm. I most certainly don't understand how I can access a copy of a
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