A power strip solves the problem of too few outlets, but where it sits and what it's asked to power decide whether it stays a convenience or becomes a hazard. Several everyday household habits — tucking a strip under a rug, plugging one strip into another, or burying it behind furniture — are the same ones fire-safety organizations warn against.
Not Under Rugs or Furniture
A power strip or its cord shouldn't run under a rug or carpet. Foot traffic can damage a cord that can't be seen, and a covered cord or strip can't release heat as easily. The Electrical Safety Foundation International (ESFi) advises against running cords under rugs or furniture for these reasons.
Behind a couch or bed, check that the strip isn't pinned against the wall or crushed by a furniture leg, and that its cord isn't bent sharply or pinched. A strip should sit where air can reach it and where you can see it occasionally.
Not Plugged Into Another Strip
Plugging one power strip into another, sometimes called daisy-chaining, is a common way to stretch outlets further — and one that safety guidance consistently tells people to avoid. Each strip has a rated capacity, and chaining strips makes it easy to draw more power through the first strip and the wall outlet than they're rated for.
If you need more outlets in one spot, a single strip with enough outlets, plugged directly into a wall outlet, is the better choice. If that's still not enough, the area may need an additional outlet installed by a licensed electrician.
Not for High-Draw Appliances
Many power strips aren't intended for appliances that draw a lot of power, such as space heaters, refrigerators, microwaves, or air conditioners. Space heater manufacturers commonly instruct users to plug the heater directly into a wall outlet. Check the appliance's manual and the strip's own rating before plugging in anything that heats or cools.
Also watch the total load. Adding up several devices on one strip — a printer, a monitor, a lamp, a fan — can reach its rating faster than expected. The strip's label or listing states its maximum capacity.
Not Near Water or Out of Sight Forever
Keep strips away from sinks, aquariums, and places where drinks might spill, and off the floor in areas that get damp. A strip installed where you never look at it can hide warning signs: a warm or discolored housing, a cracked case, or outlets that no longer grip plugs firmly.
Check strips occasionally and replace any that show damage. Why Outlet Spacing on a Power Strip Matters More Than the Number of Outlets covers fitting bulky plugs without forcing them.
Common Questions
Q: Is it safe to mount a power strip under a desk?
Many strips include mounting holes for this purpose. Mount it where it stays dry, ventilated, and visible enough to check, and keep cords from being pinched.
Q: Does a surge protector make daisy-chaining safe?
No. Surge protection and load capacity are separate features, and plugging one strip into another still risks drawing too much through the first strip.
Choosing a Strip for the Spot
When you compare options in Power Strips & Surge Protectors, check each listing's stated capacity, cord length, and mounting options against where it will sit.
- Keep strips and cords out from under rugs and furniture
- Plug each strip directly into a wall outlet, never into another strip
- Plug high-draw appliances like space heaters directly into the wall
- Keep strips dry, ventilated, and visible enough to check
- Replace any strip that's warm, cracked, or discolored
A power strip is safest when it's visible, ventilated, plugged straight into the wall, and asked to power only what it's rated for. Place it with those four things in mind, and it can do its job quietly for years.