Electric dog fences
things to keep in mind when choosing a pet containment system:
Both wired and wireless pet containment systems operate through
the generation of electric fields – wired systems, from the antenna
or ground wire; wireless systems, from the transmitter. Because
the system is powered by your home’s AC current, it can be vulnerable
to power surges. A surge protector may protect your system from
problems emanating from your power company, but it will not protect
it from lightning or even a buildup of static electricity in the
atmosphere during a storm. A lightning protection module is a good
investment if your system fails.
the power to your system’s transmitter fails altogether, you need
a battery back-up power source to keep the system operational.
system operates in a closed loop. If the loop (or wire) breaks,
the system fails.
An audible line break warning clearly alerts you to a problem. To
locate the disruption in the ground wire, an "RF choke"
device that is available at most electronics stores can be installed.
Once you’ve installed this device, you can use a simple AM radio
to find the problem and fix it.
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