Surge protector?

6 Best AC surge protectors for complete HVAC safety

These Are Our Favorite Whole-House Surge Protectors Based on Our Research and Expertise

Monoprice Heavy Duty Metal Surge Protector - 6 Outlet Power Strip, 540 Joules, UL Certified, 6 Feet Cable, Black

Top 10 Surge Protectors of 2021 | Video Review

KMC 6-Outlet Surge Protector Power Strip 2-Pack, 900 Joules, 4-Foot Extension Cord, Overload Protection, Black

USB Outlet Extender Surge Protector - with Rotating Plug, 6 AC Multi Plug and 3 USB Ports (1 C), 1800 Joules, 3-Sided Swivel Power Strip Spaced Splitter for Home, Office, Travel