A lightning strike doesn't have to hit your house, or even your street, to put your home's electronics at risk. Rocky Mountain Power has explained that a strike anywhere nearby can boost the local electromagnetic field enough that grid sensors read it as excess voltage, sometimes triggering an automatic shutoff to protect the system. That protects the grid. It doesn't protect what's plugged in at your house in Murray or West Jordan when the power cycles back on.
What Actually Happens During a Power Surge
This summer's monsoon pattern has brought daily lightning across the Salt Lake Valley, and outage tracking has shown thousands of Rocky Mountain Power customers affected by storm-related events on a single day statewide. Every one of those events is a moment where voltage on the line spikes or drops unevenly before service is restored. That spike travels through your electrical panel and into anything plugged in, which is why a single storm can damage a refrigerator, an HVAC system, and a home office setup all at once.
What a Whole House Surge Protector Actually Covers
A power strip surge protector only covers what's plugged into it. A whole house surge protector installs directly at your electrical panel and catches voltage spikes before they reach any circuit in your home, protecting major appliances, HVAC equipment, and anything hardwired in. For homes with EV chargers, home theater setups, or smart home systems, panel-level protection is the only option that covers everything at once, including the restoration surge that follows a grid-triggered outage.
Signs Your Home Needs Better Surge Protection
An older electrical panel that hasn't been upgraded in a decade or more likely wasn't built with today's surge protection standards in mind. If you've already lost an appliance or piece of equipment to a storm, that's a clear sign your current setup isn't catching what it should. Homes with newer HVAC systems, EV chargers, or high-value electronics have more to lose in a single bad storm than older homes without that equipment.
When to Call a Professional
Panel-level surge protection needs to be installed by a licensed electrician who can confirm your panel's capacity and wiring can support it safely. This isn't a DIY upgrade, since it involves working directly inside your electrical panel.
Frequently Asked Questions
Q: Can lightning damage my home's electronics without a direct strike?
A: Yes. Rocky Mountain Power has explained that a nearby strike can raise the local electromagnetic field enough for grid sensors to detect it as excess voltage, sometimes triggering an automatic protective shutoff. The surge risk to your home comes both from the spike and from the restoration cycle when power comes back on.
Q: What's the difference between a power strip and a whole house surge protector?
A: A power strip only protects what's physically plugged into it. A whole house surge protector installs at your electrical panel and protects every circuit at once, including hardwired equipment like HVAC systems that a power strip can't cover.
Q: How do I know if my electrical panel needs surge protection?
A: If your panel is more than a decade old, if you've lost an appliance to a storm before, or if your home has an EV charger, smart home system, or home theater equipment, panel-level protection is worth having installed.
Q: Is installing a whole house surge protector a DIY project?
A: No. It requires working directly inside your electrical panel and should only be done by a licensed electrician who can confirm your panel's capacity and wiring first.
Protect your home before the next lightning storm rolls through. Call Big Brothers Home Services at (385) 469-4940 to schedule a whole house surge protector installation in Murray, UT.