Does my home need a lightning rod to protect from lightning strikes? (2024)

When you hear thunder, lightning is nearby. There are steps you can take to protect yourself and your homefrom a lightning strike. Let’s start with your body, then we will cover your home and possessions.

1. Go inside. Make sure you are inside a solid structure or an automobile with a hard top.
2. Don’t ever be the tallest object around, or close tothe tallest object. If caught in a field where you are the tallest object, get to a low area, crouch down –don’t lay down — andhave minimal contact with the ground. The less contact you have with the ground the more difficult it is for the electricity to pass through you to the ground, making you a less attractive object to strike.
3. Avoid tall objects or metal objects. Don’t take shelter under a tree or near a metal fence. Objects that are tall, or objects that are good for conducting electricity will attract lightning. Stay away from them.
4. Inside your home, stay away from anything connected with wires or piping (TVs, lights, appliances, faucets, etc.). If lightning strikes the home the conductive properties of wires and plumbing will bring it to you.

Preparing Your Home for a Lightning Strike

Protecting your home and possessions from damage froma lightning strike varies from simple and inexpensive to elaborate and expensive. Let’s start with the simple and inexpensive actions you can take.

Items You Can Easily Address Yourself

1. Install UL listed surge protectors. These need tobe specially designed for electrical strikes. Don’t use power strips as protective devices. Most are not designed for reliable lightning strike protection.
2. Unplug expensive electronics. If you are going to be gone for a while, unplug the computer, TV, etc. before you leave. If a storm is approaching, unplug the devices temporarily. House wiring is a direct path from the lightning strike to these devices. If they are unplugged, that is the best form of surge protection.

Items With Which You May Need A Professional Help

1. Pay special attention to wires and plumbing that enter the home. Since wires and plumbing external to the home are often exposed, they are an easy path for lightning to strike, then have a direct pathinto your home. These are relatively easy pathways to protect with special devices that act as a shunt to ground and are installed where your service enters the home. A good electrician should know what protective devices to use and how to install them.
2. Protect gas plumbing inside the home with proper grounding. Black iron pipe is relatively safe, but many newer homes were built using Corrugated Stainless Steel Tubing (CSST) for gas lines. This tubing has the advantage of beingeasy to install. Unfortunately it has the disadvantage of being prone to puncture, and resulting gas leaks, in electrical storms. Make sure any CSST in your home is properly grounded. Main lines that carry gas from outside the home back to a distribution point (also often the grounding location) may make sense and be an inexpensive precaution.
3. Protect the structure with a lightning protection system. The idea of these systems is to divert the electrical energy of a lightning strike to the ground, protecting both the structure and the contents. This is obviously the best solution, but also something that requires professional design and installation.Lightening is unpredictable so a simple lightning rod is inadequate. A professional at designing these systems will know how to protect the homeno matter where lightening strikes.

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