Best Extension Cords

Extension cords are essential tools in both residential and commercial settings, providing flexibility and convenience by allowing you to power devices and appliances that are far from electrical outlets. Whether you need an extension cord for indoor use, outdoor projects, or heavy-duty applications, choosing the right one is crucial for safety and performance.

This comprehensive guide will explore the best extension cords available, offering detailed product reviews, an epic buying guide, and a FAQ section to help you make informed decisions.

Top Picks

SaleBestseller No. 1
6 Ft Surge Protector Power Strip - 8 Widely Outlets with 4 USB Ports, 3 Side Outlet Extender with 6 Feet Extension Cord, Flat Plug, Wall Mount, Desk USB Charging Station, ETL,White
  • 【4+4 Outlets Power Strip with 4 USB Ports】- The 3-side power strip with 8AC widely outlets and 4 USB charging ports total 4.2A, each USB A port features 5V/2.4A Max output. USB C charging port features 5V/3A MAX. can power up to 12 devices simultaneously.Wide range voltage design, can be used on 120v to 240v circuit.
  • 【Surge Protector Power Strip with 3 Side Design & Wide Space】- 3-side design that makes it easier to make the plugs not covering any outlet, and the 8 AC outlets with 1.8 inches long space in between, larger than standard 1.5-inch socket. Larger spacing makes it easier to use for all kinds of equipment.The compact design saves more space, suitable for the home, office, and college dorm room.
  • 【Multi Safety Protection】- RoHS, FCC and ETL Certificates. This power strip has overload protection, short-circuit protection, over current protection, over-voltage protection and overheating protection. The surge protector with overload protection protects your electrical appliances from lighting, surges or spikes. The minimum energy-absorbing capacity of 600 Joules. It will automatically cut power to protect connected devices when voltage surge is overwhelming.
  • 【6 Ft extension cord with Flat Plug and Cable Ties】- 6 Feet Right Angled Flat Plug power cord makes it more flexible ,Reusable Fastening Cable Ties Can tie up the unused cord and make it better organized. he two mounting holes on back allows this power strip to be securely installed in various applications.
  • 【 Our After Sale Service 】- RoHS, FCC and ETL Certificates. Our friendly and reliable customer service will respond to you within 24 hours. You can purchase with confidence, with our 30-day return and 12-month replacement.
SaleBestseller No. 2
Amazon Basics Extension Cord, 13 Amps, 125V, 10 Foot, Black
  • INCLUDES: 10 foot extension cord in Black; ideal for extending power when needed
  • DEVICE COMPATIBILITY: 13 amp/125V power; 16 AWG
  • VERSATILE: Use indoors with consumer electronics, tools, media equipment, and more
  • EASY TO USE: Plugs into any standard 3-prong power outlet; accepts 2- or 3-prong device plugs
SaleBestseller No. 3
10Ft Extension Cord with Multiple Outlets, Flat Plug Power Strip Surge Protector with 10 Ft Long Cord, 6 Outlet 3 USB Ports (1 USB C), Multi Outlet Wall Plug for Travel, College, Dorm Room Essentials
  • 【Ultra Flat Plug Power Strip & 10 Ft Flat Extension Cord】With only 0.35 inch ultra thin plug and 45 degree right angle design, One Beat low profile flat wall plug is mush slimmer than traditional plugs, can close to the wall easily and hide in the back of furniture, bed or refrigerator, no waste for outlet and space. 10 ft extension cord with only 3mm thicker which is made of pure copper, which has better current carrying capacity (15A).
  • 【9-in-1 Extension Cord with Multiple Outlets】Flat power strip could turn 1 sockets into 6 AC outlets 2 USB-A and 1 USB-C, which could charge up to 9 devices at the same time. The USB C port can charge up to 5V/3A. 2 USB-A ports can charge up to 5V/2.4A Max, all USB Ports Output is 5V/4.5A, compatible with your cellphone, laptop, tablet, earphone or cameras without a variety of converters.
  • 【Surge Protection】The electric strip has a 900-Joule energy rating providing a reliable power extension cord to protect your devices and appliances: TV, printers, computer. It secures your electronic devices from overload, short circuit, power spikes, lightning strikes, or fluctuations. (The "SURGE PROTECTED" soft indicator light on to show your devices are protected).
  • 【Flat Wall Adapter & Desktop Power Strip with USB Ports】 The two mounting holes on back allows this power strip to be securely installed in various applications, save your space and make your desktop organized.
  • 【Space Saving & Travel Ready】3-side design and each AC outlets with 1.6 inches space in between, larger than standard 1.5-inch socket, fit big adapters without blocking each other. The compact size (5.0*1.9*1.8 IN) takes up less space on your desk or luggage, a must have accessories for travel, colleague dorm room, home, office, bedroom, kitchen and etc.

Why You Need a Quality Extension Cord

Quality extension cords ensure reliable power delivery and safety, especially when dealing with high-demand appliances or outdoor conditions. Inferior cords can lead to overheating, power surges, and potential fire hazards. Investing in a high-quality extension cord can prevent these issues, providing peace of mind and longevity.

Types of Extension Cords

Indoor Extension Cords

Indoor extension cords are designed for household use, typically lightweight and less robust than outdoor cords. They are perfect for powering lamps, small appliances, and electronics within the home.

Outdoor Extension Cords

Outdoor extension cords are built to withstand environmental elements like moisture, sunlight, and temperature variations. They have thicker insulation and are often rated for higher amperage, making them suitable for gardening tools, power tools, and other outdoor equipment.

Heavy-Duty Extension Cords

Heavy-duty extension cords are designed for high-power appliances and industrial applications. They feature thick, durable insulation and can handle higher amperages, making them ideal for construction sites, workshops, and other demanding environments.

Retractable Extension Cords

Retractable extension cords offer the convenience of easy storage and reduced clutter. They come with a retractable reel, allowing you to extend the cord when needed and retract it when not in use, keeping the workspace organized.

Buying Guide for Extension Cords

Length

Choose the appropriate length based on your needs. Longer cords provide more flexibility but can result in voltage drops if too long. Shorter cords are more efficient but limit the range of use.

Gauge (AWG)

The gauge of the cord indicates its thickness and capacity to carry current. Lower AWG numbers mean thicker wires that can handle more current. For heavy-duty applications, a 12 or 14 AWG cord is recommended, while lighter tasks can use 16 or 18 AWG cords.

Ampacity

Ensure the extension cord can handle the amperage of the devices you intend to power. Overloading a cord can cause overheating and potential hazards. Check the amp rating and match it with your appliances.

Material and Durability

Look for cords made from durable materials like heavy-duty rubber or vinyl, which offer better protection against wear and tear. For outdoor use, ensure the cord is weather-resistant and UV-protected.

Safety Features

Safety features such as grounded plugs, surge protection, and indicator lights enhance the safety and functionality of the extension cord. Grounded plugs prevent electrical shocks, while surge protection guards against power surges.

Best Extension Cords

AmazonBasics 16/3 Vinyl Outdoor Extension Cord

The AmazonBasics 16/3 Vinyl Outdoor Extension Cord is a versatile and affordable option for light to medium-duty outdoor tasks. It features a 16-gauge, 3-prong design, providing adequate power for garden tools, holiday lights, and small appliances. The durable vinyl jacket resists moisture, abrasion, and sunlight, making it suitable for outdoor use.

Pros: Affordable, weather-resistant, lightweight. Cons: Not suitable for heavy-duty applications.

Southwire 2588SW0002 Outdoor Extension Cord

The Southwire 2588SW0002 is a heavy-duty outdoor extension cord designed for demanding environments. It features a 12-gauge, 3-prong design capable of handling high amperage, making it ideal for power tools and outdoor equipment. The bright yellow color enhances visibility, reducing the risk of tripping.

Pros: Heavy-duty, high visibility, durable. Cons: Heavier and bulkier than lighter-duty cords.

Iron Forge Cable 16/3 SJTW Outdoor Extension Cord

The Iron Forge Cable 16/3 SJTW Outdoor Extension Cord is a reliable and robust option for both indoor and outdoor use. It features a durable SJTW vinyl jacket that resists moisture, abrasion, and sunlight. The 16-gauge wire is suitable for medium-duty tasks, and the cord comes with a convenient handle for easy transport and storage.

Pros: Durable, versatile, easy to handle. Cons: Not suitable for very heavy-duty tasks.

Woods 982452 25-Foot Extension Cord

The Woods 982452 extension cord is designed for both indoor and outdoor use, featuring a durable vinyl jacket that resists moisture, abrasion, and prolonged exposure to sunlight. The 16-gauge, 3-prong design makes it versatile for a variety of applications, including powering garden tools, lighting, and small appliances.

Pros: Weather-resistant, versatile, durable. Cons: Limited length options.

GE 3-Outlet Power Strip with 8-Foot Extension Cord

The GE 3-Outlet Power Strip with 8-Foot Extension Cord is perfect for indoor use, offering three additional outlets and a flexible 8-foot cord. The flat plug design allows it to fit easily behind furniture, and the integrated circuit breaker provides surge protection for added safety.

Pros: Multiple outlets, surge protection, flat plug. Cons: Not suitable for outdoor use or heavy-duty applications.

FIRMERST 10 Foot Flat Plug Extension Cord

The FIRMERST 10 Foot Flat Plug Extension Cord is ideal for indoor use, featuring a space-saving flat plug design and a 14-gauge wire that can handle up to 15 amps. The cord is flexible and durable, making it perfect for home and office use where space is limited.

Pros: Flat plug design, durable, flexible. Cons: Not suitable for outdoor use or very high-power appliances.

Coleman Cable 02309 14/3 Outdoor Extension Cord

The Coleman Cable 02309 extension cord is a heavy-duty option designed for outdoor use, featuring a 14-gauge wire capable of handling up to 15 amps. The cord’s bright orange color enhances visibility, and the durable vinyl jacket resists moisture, abrasion, and sunlight.

Pros: Heavy-duty, high visibility, durable. Cons: Can be bulky for some users.

US Wire and Cable 74050 Extension Cord

The US Wire and Cable 74050 extension cord is designed for industrial and heavy-duty applications, featuring a 12-gauge wire and a rugged vinyl jacket. The cord is flexible in temperatures as low as -40 degrees Fahrenheit, making it suitable for use in harsh environments.

Pros: Heavy-duty, flexible in extreme temperatures, durable. Cons: Heavier and more expensive than lighter-duty cords.

Maximm Cable 10 Foot 360° Rotating Flat Plug Extension Cord

The Maximm Cable extension cord features a unique 360° rotating flat plug, allowing it to fit in tight spaces and behind furniture easily. The 10-foot, 3-prong cord is suitable for indoor use, providing flexibility and convenience for home and office applications.

Pros: Rotating flat plug, flexible, convenient. Cons: Not suitable for outdoor use or heavy-duty applications.

KMC 25 Foot Outdoor Extension Cord

The KMC 25 Foot Outdoor Extension Cord is a durable and versatile option for outdoor tasks, featuring a 16-gauge wire and a weather-resistant vinyl jacket. The cord is suitable for powering garden tools, holiday lights, and other outdoor equipment.

Pros: Weather-resistant, versatile, durable. Cons: Not suitable for very heavy-duty applications.

FAQs About The Best Extension Cords

What gauge extension cord should I use for power tools?
For power tools, it is recommended to use a 12 or 14-gauge extension cord. These gauges can handle the higher amperage required by power tools, ensuring safe and efficient operation.

Can I use an indoor extension cord outdoors?
No, indoor extension cords are not designed to withstand outdoor elements such as moisture, sunlight, and temperature variations. Using an indoor extension cord outdoors can lead to damage and potential safety hazards.

What is the maximum length for an extension cord?
The maximum length for an extension cord depends on its gauge and the power requirements of the connected devices. Generally, a 16-gauge cord should not exceed 50 feet, while a 14-gauge cord can extend up to 100 feet. Longer cords may require a lower gauge to prevent voltage drops.

How do I know if my extension cord is grounded?
A grounded extension cord has three prongs on the plug: two flat prongs and one round prong. The round prong is the grounding prong, which helps prevent electrical shocks and enhances safety.

Can I plug multiple extension cords together?
It is not recommended to plug multiple extension cords together, as this can lead to voltage drops, overheating, and potential fire hazards. Use a single extension cord of appropriate length and gauge for your needs.

How should I store my extension cords?
Store extension cords in a cool, dry place, coiled neatly to prevent tangling and damage. Avoid sharp bends and kinks, and consider using a cord reel or storage hook to keep them organized.

What is the difference between a surge protector and an extension cord?
A surge protector includes built-in circuitry to protect connected devices from voltage spikes and surges, whereas an extension cord simply extends the reach of an electrical outlet without any added protection. Surge protectors are ideal for sensitive electronics, while extension cords are suitable for general power needs.

Are all outdoor extension cords weatherproof?
Not all outdoor extension cords are weatherproof. Look for cords with a “W” rating, indicating they are designed for outdoor use and can withstand moisture, sunlight, and other environmental factors.

Can I use an extension cord with a space heater?
Using an extension cord with a space heater is generally not recommended due to the high power consumption of space heaters. If necessary, use a heavy-duty extension cord with a low gauge (12 or 14) to safely handle the heater’s amperage.

How do I prevent my extension cord from overheating?
To prevent overheating, ensure the extension cord is rated for the amperage of the connected devices, avoid using multiple high-power appliances on one cord, and do not coil the cord tightly while in use. Regularly inspect the cord for damage or wear.

What does AWG mean on extension cords?
AWG stands for American Wire Gauge, a standard measure of the thickness of electrical wires. Lower AWG numbers indicate thicker wires capable of carrying more current, while higher numbers indicate thinner wires suitable for lower current.

How can I tell if an extension cord is damaged?
Signs of a damaged extension cord include frayed or exposed wires, cracked or broken insulation, loose or bent prongs, and burn marks. If you notice any of these signs, discontinue use immediately and replace the cord.

Is it safe to use an extension cord permanently?
Extension cords are not intended for permanent use and should only be used as a temporary solution. For permanent power needs, consider installing additional outlets or hardwiring the necessary electrical connections.

Can I use an extension cord with a refrigerator?
Using an extension cord with a refrigerator is generally not recommended due to the high power requirements and the risk of voltage drops. If necessary, use a heavy-duty extension cord with a low gauge (12 or 14) to safely handle the refrigerator’s amperage.

How do I choose the right extension cord for my needs?
Choose an extension cord based on the length, gauge, and amperage requirements of your devices. Consider the environment in which the cord will be used (indoor or outdoor) and any additional features like surge protection or grounded plugs.

What is the difference between a 2-prong and a 3-prong extension cord?
A 2-prong extension cord lacks a grounding wire and is suitable for double-insulated appliances. A 3-prong extension cord includes a grounding wire for added safety and is necessary for devices that require grounding to prevent electrical shocks.

Can I use an extension cord with a generator?
Yes, you can use an extension cord with a generator, but ensure the cord is rated for outdoor use and matches the generator’s output capacity. Use a heavy-duty cord with a low gauge (12 or 14) to safely handle the generator’s power.

What are the safety features to look for in an extension cord?
Look for safety features such as grounded plugs, surge protection, and indicator lights. Grounded plugs prevent electrical shocks, surge protection guards against power surges, and indicator lights show that the cord is properly connected and powered.

Can I use an extension cord for my air conditioner?
Using an extension cord for an air conditioner is generally not recommended due to the high power consumption of air conditioners. If necessary, use a heavy-duty extension cord with a low gauge (12 or 14) to safely handle the air conditioner’s amperage.

How can I extend the life of my extension cord?
Extend the life of your extension cord by using it within its rated capacity, avoiding sharp bends and kinks, storing it properly, and regularly inspecting it for damage. Avoid exposing indoor cords to outdoor elements and unplug the cord when not in use.

What is a retractable extension cord?
A retractable extension cord is a cord that comes with a retractable reel, allowing you to extend the cord when needed and retract it when not in use. This design helps reduce clutter and keeps the workspace organized.

Can I use an extension cord with an electric vehicle charger?
Using an extension cord with an electric vehicle (EV) charger is generally not recommended due to the high power requirements of EV chargers. If necessary, use a heavy-duty extension cord with a low gauge (12 or 10) to safely handle the charger’s amperage.

How do I know if an extension cord is weather-resistant?
Weather-resistant extension cords are typically labeled with a “W” rating, indicating they are designed for outdoor use. They feature durable insulation that can withstand moisture, sunlight, and other environmental factors.

What is the maximum wattage an extension cord can handle?
The maximum wattage an extension cord can handle depends on its gauge and length. For example, a 12-gauge cord can typically handle up to 1,920 watts (16 amps) at 120 volts, while a 14-gauge cord can handle up to 1,440 watts (12 amps) at 120 volts.

Can I use an extension cord with a sump pump?
Using an extension cord with a sump pump is generally not recommended due to the critical nature of the sump pump’s operation. If necessary, use a heavy-duty extension cord with a low gauge (12 or 14) to safely handle the sump pump’s amperage.

Are there extension cords designed specifically for computers and electronics?
Yes, there are extension cords designed specifically for computers and electronics, featuring surge protection to guard against power surges and voltage spikes. These cords often include multiple outlets and USB ports for added convenience.

How can I safely use an extension cord outdoors?
To safely use an extension cord outdoors, choose a cord rated for outdoor use, keep connections off the ground and away from water, and avoid overloading the cord. Regularly inspect the cord for damage and replace it if any signs of wear are detected.

What is a power strip and how does it differ from an extension cord?
A power strip is a device that provides multiple outlets from a single plug, often with surge protection and additional features like USB ports. Unlike a simple extension cord, a power strip can protect connected devices from power surges and provide more outlets.

How do I prevent tripping hazards with extension cords?
To prevent tripping hazards, use cord covers or tape to secure extension cords to the floor, avoid placing cords across walkways, and use brightly colored or high-visibility cords in areas where people walk. Retractable extension cords can also help reduce clutter.

Can I use an extension cord with my home theater system?
Yes, you can use an extension cord with your home theater system, but ensure it has enough outlets and is rated for the combined power of all connected devices. Consider using a power strip with surge protection for added safety.

What should I do if my extension cord gets wet?
If your extension cord gets wet, unplug it immediately and allow it to dry completely before using it again. Inspect the cord for any signs of damage or wear, and replace it if necessary. Using a wet cord can pose significant electrical hazards.

Can I run an extension cord under a carpet or rug?
Running an extension cord under a carpet or rug is not recommended as it can cause the cord to overheat and potentially start a fire. Instead, use cord covers designed to protect and secure cords in high-traffic areas.

What should I do if my extension cord is hot to the touch?
If your extension cord is hot to the touch, unplug it immediately as this indicates it may be overloaded or damaged. Inspect the cord for any visible damage, and consider replacing it with a higher gauge cord that can handle the electrical load.

Can extension cords be used with power tools?
Yes, extension cords can be used with power tools, but ensure you choose a heavy-duty cord with a low gauge (12 or 14) to handle the high power demands of power tools. Using an inadequate cord can lead to voltage drops and overheating.

Are there extension cords with built-in timers?
Yes, some extension cords come with built-in timers that allow you to control when devices turn on and off. These are especially useful for outdoor lighting, holiday decorations, and energy management.

How do I repair a damaged extension cord?
Repairing a damaged extension cord is generally not recommended due to safety risks. If the cord is damaged, it’s best to replace it with a new one. Temporary repairs can lead to electrical hazards and should be avoided.

Can I use an extension cord for my Christmas lights?
Yes, you can use an extension cord for Christmas lights, but make sure it is rated for outdoor use if the lights are outside. Also, ensure the cord’s ampacity matches the combined wattage of all the lights to avoid overloading.

What are the benefits of using a flat plug extension cord?
Flat plug extension cords save space and are ideal for use behind furniture or in tight spaces where a traditional plug might not fit. They also help prevent damage to the plug and outlet from being forced against a wall.

Are there extension cords with multiple outlets?
Yes, there are extension cords with multiple outlets, often referred to as multi-outlet extension cords. These cords allow you to power multiple devices from a single outlet, making them convenient for home and office use.

Can I use an extension cord with a portable air conditioner?
Using an extension cord with a portable air conditioner is generally not recommended due to the high power consumption of these units. If necessary, use a heavy-duty extension cord with a low gauge (12 or 14) to handle the air conditioner’s amperage safely.

What does “SJTW” mean on an extension cord?
“SJTW” is a designation for extension cords indicating they are designed for general use (S), have junior service grade insulation (J), are rated for 300 volts (T), and are weather-resistant (W), making them suitable for outdoor use.

Conclusion

Choosing the right extension cord is crucial for ensuring safety, efficiency, and convenience in powering your devices. By understanding the different types of cords, their appropriate uses, and important features to look for, you can make an informed decision that best suits your needs.

This comprehensive guide provides a deep dive into the best extension cords available, helping you select the perfect one for your specific requirements. Investing in a high-quality extension cord not only enhances your power solutions but also provides peace of mind and durability.