Ignoramus6419 wrote:
I see some posters mumble about "earthing" vs. "grounding" in the
context of lightning protection, and have hard times deciding whether
what they say has some sense to it, or is complete balderdash.

I am meaning in the direction of believing that it is complete
nonsense.

Any comments?

i
I have some computer equipment - don't remember any more which device it
is - marked "this device must be earthed". Made in ?Mexico.