Surge protectors expand your outlet capacity, yes, but they also keep devices safe from power surges—so choose the right one. Emily Long is a freelance writer based in Salt Lake City. After graduating ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman is a writer focused on batteries and charging ...

While 80% of surges originate internally from normal operations like motor starts and VFD inverter operation, external causes like lightning and utility switching also demand industrial-grade surge ...