What Causes a Power Surge (and How to Stop It)?

Power surges quietly shorten the life of your electronics. Most aren’t dramatic lightning strikes — they’re small, frequent spikes. Here’s what causes them and how to protect your home.

External causes

  • Lightning and storms
  • Utility grid switching and outages
  • Downed lines and transformer issues

Internal causes (the surprising ones)

Most surges come from inside your home — large appliances like HVAC, refrigerators, and pumps cycling on and off send small spikes through your wiring all day.

How to protect against them

A whole-home surge protector at your panel blocks excess voltage before it reaches your circuits — protecting everything, not just what’s on a power strip. Pair it with point-of-use strips for sensitive electronics.

Protect your home

Voltus Energy Solutions installs whole-home surge protection across NJ. Call (973) 382-9995.

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