When the temperature drops, a space heater can seem like the perfect solution. It’s small, convenient, and can warm up a chilly room in minutes. But there’s one mistake that could turn that little heater into a serious fire hazard: plugging it into a power strip.
It seems harmless enough. After all, power strips handle computers, televisions, lamps, and phone chargers every day. Why should a space heater be any different?
The answer comes down to electricity.
Space Heaters Are Surprisingly Power-Hungry
A typical portable space heater uses around 1,500 watts of electricity. That’s roughly the same amount of power as 100 traditional 15-watt light bulbs running simultaneously.
Unlike a phone charger or a television, a space heater can draw that much electricity continuously for hours.
And that’s where things get dangerous.
Power strips aren’t necessarily designed to handle that kind of sustained electrical load. Even when a strip’s advertised rating seems sufficient, its internal wiring, connections, or components can overheat, particularly if they’re worn, damaged, or poorly made.
That heat can melt plastic insulation and, in the worst cases, start a fire.
But Isn’t a Surge Protector Safer?
Not necessarily.
A surge protector protects electronics against sudden voltage spikes. It doesn’t automatically protect against overheating from a space heater’s continuous electrical demand.
And while some power strips have built-in circuit breakers, those breakers won’t necessarily detect dangerous heat building up around a loose or deteriorating connection.
A power strip can become dangerously hot without ever tripping its breaker.
What You Should Do Instead
Fire safety organizations recommend plugging space heaters directly into wall outlets, never extension cords or power strips.
Keep the heater at least three feet away from curtains, furniture, bedding, and anything flammable. Place it on a stable, level surface, and turn it off before leaving the room or going to sleep.
If the plug or outlet feels unusually hot, stop using the heater immediately.
The Bottom Line
Space heaters are useful, but they’re also among the most power-hungry appliances in your home. And while plugging one into a power strip might seem like a minor convenience, it introduces an unnecessary fire risk.
It’s one of those safety rules that’s easy to ignore because nothing bad has happened yet.
Plug your space heater directly into the wall. It’s a simple precaution that could save your home.
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