Power Strip Noise: Solved!

Emily Jul 26, 2026

If you've noticed that your power strip is making noise, you're not alone. This issue, while uncommon, can have several causes and understanding them is key to solving the problem. In this article, we'll explore the reasons behind a noisy power strip and guide you through troubleshooting steps to ensure your power strip, and your peace of mind, stays silent.

Why Is My Power Strip Making Noise – Storables
Why Is My Power Strip Making Noise – Storables

Power strips, also known as power bars or surge protectors, are essential in our modern homes and offices. They not only increase the number of outlets but also protect your devices from power surges. However, when they start making noise, it can be disconcerting. It could be due to a loose connection, faulty component, or even something as simple as vibration from nearby equipment.

the words 12 things you should never plug into a power strip on a beige background
the words 12 things you should never plug into a power strip on a beige background

Understanding the Noise: Potential Causes

Electromagnetic Interference (EMI)

Can You Plug An Extension Cord Into A Power Strip
Can You Plug An Extension Cord Into A Power Strip

One of the most common causes of noise from power strips is electromagnetic interference. This could be due to other electronic devices in close proximity, such as computers, servers, or even microwave ovens. The interference can cause the power strip to hum or buzz.

Loose Connections

🔌 Outdoor Power Strip with USB & Surge Protector! 🔌
🔌 Outdoor Power Strip with USB & Surge Protector! 🔌

Loose connections can lead to arcing, which can cause noise and potentially damage the power strip or connected devices. A loose connection can result from a faulty outlet, poor quality wires, or simply wear and tear over time.

Faulty Components

Over time, components in the power strip can degrade or fail, leading to strange noises. This could be due to a faulty transformer, a short circuit, or a faulty MOV (Metal Oxide Varistor) that protects against power surges.

10 Things You Should Never Plug Into a Power Strip
10 Things You Should Never Plug Into a Power Strip

Diagnosing and Solving the Noise Issue

Check for Overloading

If you've plugged in too many devices that draw high currents, the power strip may heat up and make noise. Try unplugging some of the devices and see if the noise stops.

Auto Shut-off Safety Power Strip, Ipx4 Waterproof, Electrical Safety, Patente...
Auto Shut-off Safety Power Strip, Ipx4 Waterproof, Electrical Safety, Patente...

Relocate the Power Strip

Moving the power strip away from potential sources of interference, such as motors or appliances, can sometimes solve the issue. If possible, try to place it in a cool, well-ventilated area away from heat sources.

Power Strip Still on the Floor? Try a Cable Tray Fix
Power Strip Still on the Floor? Try a Cable Tray Fix
One Simple Trick For Mounting Power Strips
One Simple Trick For Mounting Power Strips
The best power strip for you and the planet - one5c
The best power strip for you and the planet - one5c
a person holding up a cup of soup with croissants on it's side
a person holding up a cup of soup with croissants on it's side
Motion Sensor / Power Strip .. Hack
Motion Sensor / Power Strip .. Hack
15 Things You Should Never Plug Into a Power Strip
15 Things You Should Never Plug Into a Power Strip
Power Strip Safety Tips Every Homeowner Should Know, According to an Electrician
Power Strip Safety Tips Every Homeowner Should Know, According to an Electrician
two surge protectors sitting on top of a table next to a sign that says not same
two surge protectors sitting on top of a table next to a sign that says not same
Vintage Reinvention: Sliding Multi-Plug Power Strip Solution
Vintage Reinvention: Sliding Multi-Plug Power Strip Solution
Edge clamp-on power strip brings desk-level charging exactly where you need it
Edge clamp-on power strip brings desk-level charging exactly where you need it

Tighten Connections

If the noise is due to a loose connection, it may be possible to tighten it using a screwdriver. However, be careful not to overtighten, as this could damage the outlet or strip.

Check for Faulty Outlets

Testing each outlet with a multimeter can help you identify any faulty outlets. If you find one, it's time to replace the power strip.

If none of these steps solve the issue, it's possible that the power strip is faulty and needs to be replaced. Make sure to opt for a high-quality, reputable brand to ensure reliability and safety.

In many cases, a noisy power strip is a sign that it's working overtime or wearing out. It's a good idea to replace it every few years, or more often if you use it heavily. After all, it's better to be safe than to risk a power surge or fire.

In conclusion, a noisy power strip might seem like a minor irritant, but it could be a sign of a more serious problem. By understanding the causes and taking appropriate action, you can ensure that your power strip stays silent and reliable. Don't ignore the noise - it could be your power strip's way of saying it needs attention.