The Clever Korner

A lightning storm killed my electronics

A direct strike is rare. What actually destroys farm electronics is a surge induced on long runs of copper between buildings — and every one of those runs is an antenna you installed.

4 that work5 options weighed1 to avoid

What actually works

◆ Proven
Surge protection where a cable ENTERS a building

Both ends of every run between buildings — ethernet, phone, camera, fence. $25–60 each. This is where the damage comes in, and it's the step nearly everybody skips.

◆ Proven
Fibre or wireless between buildings

The only genuinely immune option for a data link is one with no copper in it. If you're trenching anyway, consider it.

◆ Proven
Proper grounding, bonded to one system

Multiple separate ground rods at different potentials is itself a cause of damage. This is a job to do right, and an electrician is cheap next to the alternative.

◆ Proven
Unplug during storms

Deeply old-fashioned and completely effective. The one thing a surge cannot cross is an air gap.

✕ Avoid
A power strip labelled 'surge protector'

A $15 strip is designed for small mains transients, not for an induced surge on 400 ft of buried cable. It will fail, usually silently, and most people never know their protection expired years ago.

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