An Electrician’s Warning: Always Unplug These 7 Devices After Use

Tech Alert: The 7 Household Appliances You Should Unplug Immediately to Avoid Fire Hazards

In today’s hyper-connected world, we rarely think twice about leaving appliances plugged in—even when we’re not home. But according to Jerry Poon, a principal electrical engineer at Red Dog Engineering, some devices pose serious safety risks when left connected to power. “My rule of thumb: If it gets hot, pulls a lot of power, or has a sketchy cord, unplug it,” Poon warns. “It’s the easiest safety habit you can have.”

While low-power electronics like phone chargers, alarm clocks, and laptops are generally safe to leave plugged in, certain high-risk devices demand extra caution. Here are seven appliances you should unplug immediately when not in use:

1. Space Heaters

Space heaters are the leading cause of home heating fires, accounting for 29% of such incidents in the U.S. from 2019 to 2023, according to the National Fire Protection Association. Never plug them into extension cords, and always unplug them before leaving your home. Even with tip-over safeguards, they should never be placed on rugs.

2. Air Fryers

These countertop appliances have surged in popularity, but they should be treated like space heaters. Never plug them into extension cords, and unplug them when not in use—even if they’re turned off. “Turned off isn’t always the same as safe,” Poon explains. “Some devices still have power flowing when they’re off.”

3. Portable AC Units

Portable air conditioners are considered “high-draw” devices, meaning they consume significant power. Even though they don’t produce heat, they should be unplugged when you leave your home to avoid potential hazards.

4. Hair Tools

Hair dryers, curling wands, and straightening irons may have an off switch, but that doesn’t mean they’re safe to leave plugged in. The off switch could fail, posing a fire risk. Always unplug these tools after use.

5. Older Coffee Makers

Older coffee makers are particularly risky because they may lack an automatic shut-off feature. If you forget to turn them off or unplug them, they could overheat. Even newer models are best unplugged as an extra precaution.

6. Lamps and Devices with Old Cords

Frayed or “sketchy” cords can pose a serious fire hazard. If you notice any damage, replace the cord or have it repaired by a certified electrician. The same goes for old outlets—don’t take chances.

7. Toasters

Toasters are an easy appliance to unplug after use, but they still pose a risk if left connected to power. You never know when a short circuit might occur. As Poon puts it, “If something goes wrong, it goes wrong fast.”

What About Smaller Electronics?

For devices like computer monitors, phone chargers, televisions, and alarm clocks, Poon says the risk is minimal. “These don’t draw much current and generally aren’t a fire risk if the cords and outlets are in good shape.”

Final Thoughts

Unplugging high-risk appliances is a simple yet effective way to protect your home and loved ones. As Poon emphasizes, “Devices that make heat or have motors are the ones I’d never leave plugged in when I’m gone.” Make it a habit to unplug these devices, and you’ll sleep easier knowing you’ve taken an important step toward safety.

Tags:
Fire safety, home appliances, electrical hazards, space heaters, air fryers, portable AC units, hair tools, coffee makers, lamps, toasters, electrical engineering, Red Dog Engineering, Jerry Poon, National Fire Protection Association, home safety tips, unplugging appliances, fire prevention, electrical safety, household hazards, energy efficiency.

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