Tripp Lite Protect It TLP810NET 8 Outlet Surge Suppressor for $29.48 shipped. Here is a screenshot for your reference. It features a 3240-joule surge suppression rating, 8 AC outlets plus coaxial and network/Ethernet line protection, along with built-in diagnostic LEDs. Most places have this Tripp Lite Protect It! TLP810NET 8-Outlet Surge Suppressor for about $39.