As we rely more heavily on electronic devices in our daily lives, protecting them from power surges and spikes becomes increasingly important. Surge protectors are designed to absorb or divert electrical surges, safeguarding our valuable electronics from damage. However, not all devices are created equal, and some should never be plugged into a surge protector. In this article, we’ll explore what you can’t put in a surge protector and why.
Understanding Surge Protectors
Before we dive into what you can’t plug into a surge protector, let’s first understand how they work. A surge protector is a device that’s designed to protect electronic equipment from voltage spikes, surges, and other types of electrical disturbances. They work by absorbing or diverting the excess energy, preventing it from reaching your devices.
Types of Surge Protectors
There are two main types of surge protectors: point-of-use (POU) and whole-house. POU surge protectors are designed to protect individual devices or small groups of devices, while whole-house surge protectors are installed at the electrical panel to protect the entire home.
How Surge Protectors Work
Surge protectors work by using a combination of components, including:
- Fuses: These are designed to melt and break the circuit when a surge is detected.
- Thermal cut-offs: These are designed to disconnect the circuit when a surge is detected.
- Varistors: These are designed to absorb the excess energy and divert it away from your devices.
What You Can’t Put in a Surge Protector
Now that we understand how surge protectors work, let’s explore what you can’t put in a surge protector.
High-Power Devices
High-power devices, such as refrigerators, air conditioners, and washing machines, should never be plugged into a surge protector. These devices require a lot of power to operate, and a surge protector may not be able to handle the load.
Why High-Power Devices Are a Problem
High-power devices can cause a surge protector to overheat, leading to a fire hazard. Additionally, the surge protector may not be able to provide the necessary power to the device, causing it to malfunction or not work at all.
Devices with High Inrush Currents
Devices with high inrush currents, such as motors and compressors, should also not be plugged into a surge protector. These devices require a high initial current to start, which can cause the surge protector to trip or overheat.
Why Devices with High Inrush Currents Are a Problem
Devices with high inrush currents can cause the surge protector to trip or overheat, leading to a fire hazard. Additionally, the surge protector may not be able to provide the necessary power to the device, causing it to malfunction or not work at all.
Devices That Require a Grounded Connection
Devices that require a grounded connection, such as some medical equipment and industrial machinery, should not be plugged into a surge protector. These devices require a direct connection to the grounding system to function properly.
Why Devices That Require a Grounded Connection Are a Problem
Devices that require a grounded connection may not function properly if plugged into a surge protector. The surge protector may interrupt the grounding connection, causing the device to malfunction or not work at all.
Extension Cords and Power Strips
Extension cords and power strips should not be plugged into a surge protector. These devices can cause the surge protector to overheat, leading to a fire hazard.
Why Extension Cords and Power Strips Are a Problem
Extension cords and power strips can cause the surge protector to overheat because they can draw more power than the surge protector is designed to handle. This can lead to a fire hazard and damage to your devices.
Other Safety Considerations
In addition to knowing what you can’t put in a surge protector, there are other safety considerations to keep in mind.
Choose the Right Surge Protector
When choosing a surge protector, make sure it’s designed for your specific needs. Consider the type of devices you’ll be plugging into it, the amount of power they require, and the level of protection you need.
Don’t Overload the Surge Protector
Don’t overload the surge protector by plugging in too many devices. This can cause the surge protector to overheat, leading to a fire hazard.
Replace the Surge Protector Regularly
Surge protectors have a limited lifespan and should be replaced regularly. Check the manufacturer’s instructions for replacement recommendations.
Conclusion
Surge protectors are an essential tool for protecting your electronic devices from power surges and spikes. However, not all devices are created equal, and some should never be plugged into a surge protector. By understanding what you can’t put in a surge protector and following other safety considerations, you can keep your devices safe and prevent damage.
| Device Type | Can Be Plugged into a Surge Protector? |
|---|---|
| High-Power Devices (e.g. refrigerators, air conditioners) | No |
| Devices with High Inrush Currents (e.g. motors, compressors) | No |
| Devices That Require a Grounded Connection (e.g. some medical equipment, industrial machinery) | No |
| Extension Cords and Power Strips | No |
| Computers and Other Low-Power Devices | Yes |
By following these guidelines and using surge protectors responsibly, you can protect your devices and prevent damage. Remember to always choose the right surge protector for your needs, don’t overload it, and replace it regularly to ensure optimal protection.
Q: What is a surge protector, and how does it work?
A surge protector is an electrical device designed to protect your appliances and electronics from voltage spikes, power surges, and other electrical disturbances. It works by absorbing or diverting excess energy away from your devices, preventing damage or destruction. Surge protectors usually have multiple outlets, allowing you to plug in several devices at once, and often come with features like circuit breakers, fuses, or Ground Fault Circuit Interrupters (GFCIs).
When a power surge occurs, the surge protector detects the increased voltage and quickly responds to redirect the excess energy to the ground or absorb it, preventing it from reaching your connected devices. This helps to safeguard your electronics and appliances from damage, ensuring they continue to function properly and reducing the risk of electrical shock or fires.
Q: What should I never plug into a surge protector?
Certain devices should never be plugged into a surge protector due to safety concerns or the risk of overloading the protector. These devices include refrigerators, air conditioners, washing machines, and other high-power appliances that require a lot of energy to operate. Plugging these devices into a surge protector can cause it to overheat, leading to a fire or electrical shock.
Additionally, you should avoid plugging devices with high power requirements, such as space heaters, hair dryers, or curling irons, into a surge protector. These devices can also cause the surge protector to overheat or become overloaded, posing a significant fire hazard. Always check the manufacturer’s instructions for specific guidance on what devices can be safely plugged into a surge protector.
Q: Can I plug a surge protector into another surge protector?
It is generally not recommended to plug a surge protector into another surge protector, also known as “daisy chaining.” This practice can lead to a range of safety issues, including overloading the surge protectors, creating a fire hazard, and reducing the effectiveness of the surge protection. When you daisy chain surge protectors, you increase the risk of electrical shock, fires, and damage to your devices.
Instead of daisy chaining, consider using a single, high-quality surge protector with multiple outlets to meet your needs. If you need to protect a large number of devices, look for a surge protector with a high joule rating and a sufficient number of outlets. Always follow the manufacturer’s instructions and take necessary precautions to ensure safe and effective surge protection.
Q: How do I choose the right surge protector for my needs?
Choosing the right surge protector depends on several factors, including the type and number of devices you need to protect, the level of surge protection required, and the desired features. Consider the joule rating, which indicates the surge protector’s ability to absorb energy, and the response time, which measures how quickly the protector responds to a power surge. Look for a surge protector with a high joule rating and a fast response time for optimal protection.
Additionally, consider the type of devices you need to protect. If you have sensitive electronics, such as computers or televisions, look for a surge protector with features like line conditioning or noise filtering. If you need to protect devices in a wet or humid environment, choose a surge protector with a high level of moisture resistance. Always read reviews and follow the manufacturer’s instructions to ensure you choose the right surge protector for your needs.
Q: Can surge protectors prevent electrical fires?
Surge protectors can help prevent electrical fires by absorbing or diverting excess energy away from your devices, reducing the risk of overheating or electrical shock. However, surge protectors are not foolproof and should not be relied upon as the sole means of fire prevention. Electrical fires can still occur due to a range of factors, including faulty wiring, overloaded circuits, or malfunctioning devices.
To minimize the risk of electrical fires, it’s essential to use surge protectors in conjunction with other safety measures, such as regular electrical inspections, proper device maintenance, and adherence to safety guidelines. Always choose a high-quality surge protector that meets or exceeds industry standards, and follow the manufacturer’s instructions for installation, use, and maintenance.
Q: How often should I replace my surge protector?
The lifespan of a surge protector depends on various factors, including usage, quality, and exposure to power surges. As a general rule, it’s recommended to replace your surge protector every 2-5 years or after a significant power surge event. Over time, the surge protector’s components can degrade, reducing its effectiveness and increasing the risk of electrical shock or fires.
Signs that your surge protector needs to be replaced include a blown fuse, a tripped circuit breaker, or visible signs of wear and tear, such as frayed cords or damaged outlets. If you experience frequent power surges or electrical disturbances, you may need to replace your surge protector more frequently. Always follow the manufacturer’s guidelines for replacement and maintenance to ensure optimal surge protection.
Q: Can I use a surge protector with a generator or UPS?
Using a surge protector with a generator or Uninterruptible Power Supply (UPS) can be beneficial in certain situations, but it’s essential to exercise caution and follow specific guidelines. Generators and UPS systems can produce unique electrical waveforms that may not be compatible with all surge protectors, potentially leading to malfunction or damage.
Before using a surge protector with a generator or UPS, ensure that the surge protector is specifically designed for use with these systems. Look for surge protectors that are certified for use with generators or UPS systems, and follow the manufacturer’s instructions for installation and configuration. Additionally, consider consulting with a qualified electrician or engineer to ensure safe and effective integration of the surge protector with your generator or UPS system.