
We had a very violent thunderstorm and it grilled a Roku, an Apple TV, three cable boxes and a Samsung 6000 series TV (despite the fact that we have a networked filter had network cables for the whole house and all devices connected to the network filter). Research has shown that HDMI cables are very sensitive to electromagnetic pulses (EMP). Lightning doesn't have to strike your home for EMP to burn out all devices with an HDMI cable connected. I bought HDMI surge protectors to protect my TVs and devices. I bought these surge protection cables as another layer of protection against EMI for my TVs and devices. Can't give 5 stars as we haven't had another storm yet.

Southwire 34930 Surge Guard 30A: Full Protection Portable with LCD Display - Superior Safety in Sleek Black Design
12 Review

Allocacoc PowerCube ExtendedUSB, 4 Outlets, 2 USB Ports, 5 ft Cable, Mounting Dock, Surge Protection, Childproof Sockets, ETL Certified - Blue
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💻 Tupavco TP302 Ethernet Surge Protector (2 Pack) with PoE+ Gigabit and Gas Discharge Tube for Full Protection - RJ45 Lightning Suppressor - Mounting Flange - Ideal for LAN Network CAT5/CAT6 - Thunder Arrestor - GbE 1000 Mbps.
11 Review

🌩️ APC Ethernet Surge Protector for 10/100/1000 Base-T Ethernet lines with ProtectNet (PNET1GB)
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Extender Xiaomi Mi Power Strip 3, XMCXB01QM, 3 sockets, 10A / 2500 W white 1.8 m
26 Review

Xiaomi Power Strip Surge Protector 3 Sockets 3 USB Black
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Extender Xiaomi Mi Power Strip 3, XMCXB01QM, 3 sockets, C/C, 10A / 2500 W white 1.8 m
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Toldear Multi Plug Outlet 💡 Extender with Rotating Plug - White
12 Review