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I (guess) this should protect any plugged into it, so if your phone / DSL line had an RJ45 connector plug, it should protect it from electrical surges from lightning. That said, I ordered two of these, the first one mysteriously failed within a week, the other one was accidentally exposed to moisture and rusted / faile… see more I (guess) this should protect any plugged into it, so if your phone / DSL line had an RJ45 connector plug, it should protect it from electrical surges from lightning. That said, I ordered two of these, the first one mysteriously failed within a week, the other one was accidentally exposed to moisture and rusted / failed in two weeks. I've since replaced them with ones from Ubiquiti and they've been pretty bomb proof. see less I (guess) this should protect any plugged into it, so if your phone / DSL line had an RJ45 connector plug, it should protect it from electrical surges from lightning. That said, I ordered two of these, the first one mysteriously failed within a week, the other one was accidentally exposed to moisture and rusted / failed in two weeks. I've since replaced them with ones from Ubiquiti and they've been pretty bomb proof.
Kevin E. Mahoney
· July 11, 2019
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Doesn't protect against Thunder, what it does do is dampen electrical surges on the Ethernet cable caused by lightning, thereby protecting the connected equipment. It will not protect against a DIRECT lightning strike to your house, nothing will. But it does protect against transient surges, Hope this helps
Kindle Customer
· September 12, 2018
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House surge protectors are designed for spikes on the electrical grid that feeds your home (or building) They offer some surge protection for surges created in the house mostly by motors that start up (AC/ Fridge) etc. These spikes are small compared to spikes that could come in from the power grid. Ethernet prot… see more House surge protectors are designed for spikes on the electrical grid that feeds your home (or building) They offer some surge protection for surges created in the house mostly by motors that start up (AC/ Fridge) etc. These spikes are small compared to spikes that could come in from the power grid. Ethernet protection with Gas Discharge Tube is primarily for lightning strikes. The tube expends itself, protecting any wired Ethernet devices behind it. Gas tubs blow very fast, but not always fast enough. Its also good to have FASTER clamping diode Ethernet surge protector in line (after) it to protect fast spikes or the leading edge of a lightning hit. Add this in line (after) the other one. https://www.amazon.com/gp/product/B00UYXRDU8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 You don't need a 10 pack. You need only one on the INTERNET feed coming into the house. Your smart guard ig2220 should have a good ground because its located near the box. All grounding is only as good as your house earth ground. This is typically two 8 foot rods are driven into the ground near your house near and connect the entrance. Connecting your Ethernet directly to your house ground will give you the highest capacity diversion. Lastly, you question of wither it works with the smart guard, the answer is it doesn't matter. Your 220 coming into the house is one distinct system, and the feed for your phones and Ethernet are separate system(s). BTW - I have one gas protection POE ethernet protection, and one diode ethernet protection - and a spare for each on the shelf. Your cable company may or may not already have surge protection on their feed to your house. This is cheap, but may be redundant. BTW - if your smart home devices are wireless then they are not at risk of spikes. If they are wired ethernet, its good to have surge protection. NO SURGES COME FROM INSIDE THE HOME on ethernet ... only the outside feed. Hope this helps. see less House surge protectors are designed for spikes on the electrical grid that feeds your home (or building) They offer some surge protection for surges created in the house mostly by motors that start up (AC/ Fridge) etc. These spikes are small compared to spikes that could come in from the power grid. Ethernet protection with Gas Discharge Tube is primarily for lightning strikes. The tube expends itself, protecting any wired Ethernet devices behind it. Gas tubs blow very fast, but not always fast enough. Its also good to have FASTER clamping diode Ethernet surge protector in line (after) it to protect fast spikes or the leading edge of a lightning hit. Add this in line (after) the other one. https://www.amazon.com/gp/product/B00UYXRDU8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 You don't need a 10 pack. You need only one on the INTERNET feed coming into the house. Your smart guard ig2220 should have a good ground because its located near the box. All grounding is only as good as your house earth ground. This is typically two 8 foot rods are driven into the ground near your house near and connect the entrance. Connecting your Ethernet directly to your house ground will give you the highest capacity diversion. Lastly, you question of wither it works with the smart guard, the answer is it doesn't matter. Your 220 coming into the house is one distinct system, and the feed for your phones and Ethernet are separate system(s). BTW - I have one gas protection POE ethernet protection, and one diode ethernet protection - and a spare for each on the shelf. Your cable company may or may not already have surge protection on their feed to your house. This is cheap, but may be redundant. BTW - if your smart home devices are wireless then they are not at risk of spikes. If they are wired ethernet, its good to have surge protection. NO SURGES COME FROM INSIDE THE HOME on ethernet ... only the outside feed. Hope this helps.
BDW
· September 25, 2019
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Yes it's tiny.
Ellie
· July 12, 2019
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