How an electric fence tester works
- Stick the earth spike in the ground
- Loop the metal bit over the fence
- Squint at the LED in the bright sunlight
- Put your hand over the LED to shade it enough to see if it's flashing
- Get your hand zapped with 3,000 volts
- The fence is working
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(guaranteed 100% Rick Astley free)
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FF
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(To date this event, I remember sitting in a tent whilst someone was playing a small transistor radio listening to England beat West Germany in the World Cup final.)