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The 5 Electrical Habits That Cause Most House Fires

September 28th, 2026

4 min read

By Dustin Ober

Burning electrical plug connected to a wall outlet, showing a common electrical fire hazard in the home.
The 5 Electrical Habits That Cause Most House Fires
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Most electrical fire risks do not look scary at first. It may be an extension cord that has lived behind the couch for three years. Maybe a plug falls out of an outlet, but you keep using it anyway. Or the same breaker trips so often that resetting it has become part of your routine.

Those little habits are easy to ignore. They can also be signs that something is getting too hot or is no longer working safely.

At Integra Electrical, we work in homes across Des Moines and Central Iowa. Many were built in the 1950s through the 1980s. That means older outlets, wiring, and electrical panels are often being asked to power far more devices than they did when the home was built.

Before the end of this article, you will know:

What Are the 5 Electrical Habits That Can Cause a House Fire?

A house fire does not always begin with one huge electrical problem. Heat can slowly build when a cord, outlet, or circuit is damaged or pushed too hard.

Here are five habits worth breaking.

1. Plugging Too Much Into One Outlet or Power Strip

A power strip gives you more places to plug things in. It does not give the circuit behind the wall more power.

This matters most with things that use a lot of electricity. Space heaters, microwaves, air fryers, and portable air conditioners can put a lot of stress on one circuit.

If plugging something in keeps tripping a breaker, do not make resetting the breaker your solution.

2. Using Extension Cords Every Day

Extension cords are useful for temporary needs. They should not become part of your home's permanent setup.

A cord under a rug can overheat. A cord behind furniture can get crushed. A cord running through a doorway can slowly become damaged.

If an extension cord has been sitting in the same place for months, that may be a sign you need an outlet closer to where you use power.

3. Ignoring Warm or Loose Outlets

Your outlet should not feel hot, and a plug should not fall out with the slightest bump.

Loose parts inside an outlet can create heat where you cannot see it.

Stop using an outlet if you notice heat, melting, dark marks, or a burning smell. Those are not normal signs of an outlet getting old.

4. Keeping Damaged Cords and Appliances

That phone charger with exposed wire near the end? The lamp cord held together with electrical tape? They may still work, but that does not make them safe.

Damaged cords can expose wires, spark, or get hot.

Replacing a damaged cord is usually cheaper and easier than trying to squeeze a few more months out of it.

5. Using Space Heaters the Wrong Way

An Iowa winter is not exactly kind, so space heaters are common around Des Moines.

They also use a lot of power.

Plug a space heater straight into a wall outlet. Do not use an extension cord or power strip. Keep the heater away from blankets, curtains, furniture, clothes, and anything else that can burn.

What Warning Signs Should You Never Ignore?

Your electrical system will sometimes give you a warning that something is wrong. You just have to know what to look for.

Pay attention to:

  • Outlets or switches that feel unusually warm
  • A burning or hot-plastic smell
  • Buzzing or crackling near an outlet or switch
  • Brown or black marks around an outlet
  • Breakers that keep tripping
  • Lights that flicker when an appliance starts
  • Plugs that will not stay firmly inside an outlet

A single flickering light does not mean your house is about to catch fire. The goal is not to panic every time something strange happens.

Instead, pay attention to problems that keep coming back or seem to be getting worse.

This is especially important in older Des Moines-area homes. A house built in the 1960s may still have parts of its original electrical system. At the same time, that home now powers TVs, computers, chargers, kitchen appliances, gaming systems, space heaters, and other devices that were never part of the original plan.

How Can You Make Your Home Safer?

You do not need to become afraid of every outlet in your house. Start by changing the simple habits you can control.

Throw away damaged extension cords. Stop covering cracked cords with tape. Plug space heaters into wall outlets. Do not keep adding devices to an overloaded power strip. And stop using an outlet if it feels hot or looks burned.

Some problems are also easy to handle without an electrician. If a charger is damaged, replace it. If you are overloading a power strip, unplug some devices. If an old appliance has a bad cord, stop using it.

The time to call an electrician is when the problem seems to be part of the home's electrical system.

That includes breakers that keep tripping, hot outlets, burning smells with no clear source, buzzing from an outlet or electrical panel, or outlets that no longer hold plugs.

The cost depends on what is causing the problem. A small outlet or switch repair for an Iowa homeowner may cost a few hundred dollars. A damaged circuit or wiring problem can cost more because the electrician has to find where the problem starts and repair it safely.

Older homes may also need updates that go beyond one outlet. For example, newer electrical rules include added protection that many older Iowa homes were never built with.

The important part is knowing the difference between a habit you can change today and a problem hiding inside the wall.

If you notice heat, burning smells, repeated breaker trips, or another warning sign that will not go away, schedule service with Integra Electrical. We can find the cause and explain what actually needs to be fixed without pushing repairs you do not need.

FAQ

Can an overloaded outlet really start a fire?

Yes. Too much electrical use on one circuit can create heat. Avoid plugging several high-power devices into the same outlet or power strip.

Is it safe to use an extension cord every day?

Extension cords are better for temporary use. If you need one in the same place every day, consider having an outlet installed nearby.

Why does my outlet feel warm?

A warm outlet can be caused by a loose connection, worn parts, or too much power being used. Stop using an outlet that becomes hot or keeps warming up.

Are older Iowa homes more likely to have electrical problems?

They can be. Many older Iowa homes still have aging outlets, wiring, or electrical panels. Problems are more likely when those older parts begin to wear out or are asked to handle more power than they were designed for.

Dustin Ober

Dustin Ober is a licensed electrician on Integra’s installation team. Born and raised in Iowa, he brings four years of licensed experience and five years of dedication to the Integra family. Known by customers as professional and helpful, Dustin is dependable and always shows up ready to help. When he’s not working, you’ll likely find him outdoors—enjoying the same steady calm he brings to every job.