The short answer
How Internal Damage Happens
Lightning does not always hit your home directly. It can strike a nearby tree, utility pole, or the ground, and the electrical charge travels through conductive paths like metal plumbing, electrical wiring, and data cables. This surge can overload circuits, damage appliance motors, and even create tiny pinhole leaks in pipes or water heaters.
The damage may not be obvious right away. A surge protector can absorb some of the energy, but older wiring or sensitive electronics might still fail. You might notice a flickering light, a burning smell from an outlet, or a sudden spike in your electric bill. Internal damage can also affect equipment like well pumps or water softeners without any external sign.
Signs to Look For
Check your electrical panel for tripped breakers or scorch marks. Test outlets with a voltage tester if you have one, and listen for buzzing sounds from appliances. Look at your water heater, furnace, and air conditioner for error codes or unusual noises. Also inspect your attic and crawl spaces for new stains or damp spots, which could indicate a pipe rupture from the surge.
If you have a smart home system, review its logs for power events. Pay attention to any device that stops working, like a garage door opener or a security camera. Even if everything seems fine, consider having a professional inspect your wiring and plumbing if you know a strike occurred nearby. Hidden damage can worsen over time.
- Tripped breakers or blown fuses
- Burning smell near outlets or panels
- Appliance error codes or no power
- New water stains on ceilings or walls
- Unusual buzzing from electrical boxes
- Sudden increase in energy usage
What to Do Right After a Strike
If you suspect a lightning strike, turn off sensitive electronics and unplug them if safe. Avoid touching wet surfaces or standing water, as the surge could still be active. Check your smoke detectors and carbon monoxide alarms to ensure they work. If you smell gas or see sparks, leave the house and call emergency services from a safe distance.
Document any damage with photos and notes for your insurance claim. Do not attempt to repair electrical or plumbing issues yourself unless you are qualified. A professional electrician or plumber can assess the system and make safe repairs. For water damage from a burst pipe, you may need water damage pros to dry out affected areas and prevent mold.
When to Call the Pros
Internal lightning damage often requires a professional eye. An electrician can test your wiring, panel, and appliances for hidden surges. A plumber can check for pinhole leaks in pipes that may not be visible yet. If water has soaked into drywall, insulation, or flooring, water damage inspection is wise to catch mold growth early.
The pros use moisture meters and thermal cameras to find damp spots behind walls. They can also identify the extent of electrical damage by testing circuits. Do not wait too long, as mold can start growing within a day or two in humid conditions. Acting quickly helps keep the damage contained and your home safe.
Preventing Future Internal Damage
Install a whole-house surge protector at your main electrical panel. This device can divert excess voltage from a lightning strike before it reaches your appliances. Also consider surge protectors for sensitive electronics like computers and televisions. Unplug major appliances during severe thunderstorms if you are home.
Keep your plumbing and electrical systems in good condition. Older wiring or corroded pipes are more vulnerable to surges. If you live in an area prone to thunderstorms, it is smart to have your systems checked periodically. A water damage inspection can catch small issues before they become big ones.
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Call Now (817) 799-6732Frequently asked questions
Can lightning damage a water heater without visible marks?
Yes, a surge can damage the heating elements or control board inside a water heater. You might see error codes, hear strange noises, or notice a lack of hot water. A plumber can test the unit and replace damaged parts.
Will my home insurance cover internal lightning damage?
Policies vary, and your insurer decides what is covered. Most standard policies cover lightning damage, but check your policy for details. Document all damage and contact your insurance company promptly to file a claim.
How soon should I get an inspection after a lightning strike?
Act quickly, ideally within a few days. Hidden issues like pipe leaks or wiring damage can worsen, and mold can start growing in damp areas. A prompt inspection by a professional can identify problems early and prevent costly repairs.