Grounding for modem, router and switch question.

How to ground an entire ethernet network despite its limits?

Are electric fields from a shielded power cord reduced onto a connected device as well?

Unshielded extension cord for shield surge protector

Do-it-yourself kit to retro-shield any cord

What if I have an unshielded 12-outlet surge protector?

What happens if you add a second or third grounding adapter to a device such as the laptop?

Grounding for surge protector, wall charger and portable device question. (Don't know why it's still under moderation)