Ethernet surge protectors for outdoor underground run to the shed, do they work for lightning protection? (even though they flat out claim they do) (alien.top)

submitted 2 years ago by Opening_Career_9869@alien.top to c/homenetworking@selfhosted.forum

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I realize 99% of the internet are experts on electricity, lightning and grounding concepts, most of the internet wears a lab coat at all times, but seriously... I need a 100' run of buried ethernet (likely direct burial 24" deep) from my house to my shed that has no power, for PoE camera & AP. Companies like APC sell ethernet surge protectors, other than biased unfounded fear, what are real world implications of a nearby lighting strike if things are properly grounded (full 6-8' grounding rods outside each building etc..).

I feel like it'd be perfectly fine and if not, oh well, a router gets fried or wire burns up in the ground, doesn't seem like a big deal on the off chance of real close strike or is that just me?

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[-] Mau5us@alien.top 1 points 2 years ago

From my experience with strikes the cable remains fine, but the ends and the equipment attached to it will likely fry. Always try and isolate and ground your lines before they enter the house so on the exterior wall it should be grounded to earth.

[-] Opening_Career_9869@alien.top 1 points 2 years ago

thanks, that's the plan, I'll put a surface mount box there along with a good surge protector for ethernet like the APC unit tied right to the grounding rod that will be next to it.

this post was submitted on 20 Nov 2023

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