What is a power cord?

Welcome Delta Sigma Pi

  • Accessibility
  • Sales:

    Home:

    1-800-426-7235

    Business:

    1-866-426-0911

    Chat Now >

    Visit Sales Support Page >


    Order Support:

    Order Lookup >

    Visit Order Support Page >

    Technical Support >

Lenovo
All
  • All
  • Laptops
  • Desktops
  • Workstations
  • Monitors
  • PC Accessories & Electronics
  • Tablets
  • Servers & Storage
  • Servers Accessories
  • Sign In / Create Account
    My Lenovo Account
    Keep track of your wishlist, orders, and rewards all in one place
    Sign In / Create Account
    Welcome Back!
    Access your order, subscriptions, saved carts, rewards balance, and profile
    View My Account
    Orders
    View & track your orders
    Rewards
    Earn & redeem Rewards
    Profile
    Edit name, password, and account settings
    Wishlist
    Manage a wishlist of your favorite products
    Products
    Manage your devices, accessories
    Product Registration
    Register your product and/or update your warranty dates
    Sign Out
  • My Lenovo Rewards
  • Cart
  • Products
  • Solutions
  • Services
  • Support
  • About Lenovo
  • Deals
  • Student
  • Gaming
  • Laptops
  • Desktops
  • Workstations
  • Accessories
  • Software
  • Monitors
  • Tablets
  • Servers & Storage
  • Home & Office
  • AI
  • Deals
TEMPORARILY UNAVAILABLE
DISCONTINUED
Temporary Unavailable
Cooming Soon!
. Additional units will be charged at the non-eCoupon price. Purchase additional now
We're sorry, the maximum quantity you are able to buy at this amazing eCoupon price is
Sign in or Create an Account to Save Your Cart!
Sign in or Create an Account to Join Rewards
View Cart
Remove
Your cart is empty! Don’t miss out on the latest products and savings — find your next favorite laptop, PC, or accessory today.
item(s) in cart
Some items in your cart are no longer available. Please visit cart for more details.
has been deleted
Please review your cart as items have changed.
of
Contains Add-ons
Subtotal
Proceed to Checkout
Yes
No
Popular Searches
What are you looking for today ?
Trending
Recent Searches
Items
All
Cancel
Top Suggestions
View All >
Starting at
  • Black Friday in July! Limited-time Doorbusters + Buy more, Save more!  Shop Now >

  • My Lenovo Rewards! Earn 3%-9% in rewards and get free expedited delivery on select products. Join for Free >

  • Buy online, pick up select products at Best Buy. Shop Pick Up >

  • Lease-to-own today with Katapult. Get started with an initial lease payment as low as $1! * Learn More >

Home > Glossary > What is a power cord?
Glossary Hero
Learn More
StarStar

Annual Sale

Lenovo Laptop SaleLenovo Laptop Sale

Laptop Deals

Desktop DealsDesktop Deals

Desktop Deals

Workstation DealsWorkstation Deals

Workstation Deals

StoreStore

Pick Up Today at Best Buy

ControllerController

Gaming PC & Accessory Deals

MouseMouse

PC Accessories & Electronics Deals

MonitorMonitor

Monitor Deals

Tablet and phoneTablet and phone

Tablets & Phones Deals

ServerServer

Server & Storage Deals

Discount tagDiscount tag

Clearance Sale


What is a power cord?

A power cord, also known as an AC cord or mains cable, is a type of electrical cable used to connect electronic devices to a power source. It is designed to transmit electric current from a wall outlet to the device, providing the necessary power for its operation. Power cords typically consist of a flexible cord with an electrical plug on one end that is inserted into the wall socket, and a connector on the other end that attaches to the device.

Can I use any power cord for my device?

Not necessarily. Each device has specific power requirements, so it's essential to use the correct cord. Check the device's label or manual for voltage and current ratings to match the power cord properly.

Can I use an adapter to make my power cord fit different outlets?

Yes, you can use a travel adapter to convert the plug type, but make sure it also supports the voltage and frequency of the destination country to prevent damaging your device.

Why are some power cords detachable from devices?

Detachable power cords offer convenience and flexibility. They allow you to replace a damaged cord easily, swap cords between devices with the same power requirements, and simplify storage and transportation.

Are all power cords the same in terms of thickness and quality?

No, power cords can vary in thickness and quality. Thicker cords with higher quality materials tend to handle more current, reducing the risk of overheating and electrical issues.

What are surge protectors, and should I use one with my power cord?

Surge protectors are power strips designed to protect your devices from voltage spikes and surges. They're a good idea to use with power cords, especially for valuable or sensitive electronics.

Can power cords affect the performance of my devices?

Yes, using an inadequate power cord might lead to voltage drops or fluctuations, affecting device performance or causing malfunctions. Always use the correct cord to ensure optimal performance.

How do I properly store power cords when not in use?

You can use cable ties or cable organizers to keep power cords neat and tangle-free. Avoid bending cords sharply or placing heavy objects on them to prevent damage.

Can power cords transmit data like universal serial bus (USB) cables?

No, power cords are designed solely for delivering electricity, not data. USB cables have extra wires that enable data transfer between devices.

What is a "kink" in a power cord, and is it dangerous?

A kink is a sharp bend or twist in the cord, and it can be dangerous as it can damage the internal wires and lead to electrical issues. Avoid kinks to maintain cord integrity.

Can I extend the length of a power cord?

Yes, you can use extension cords to increase the reach of your power cord. However, using excessively long extensions may lead to voltage drops and power losses.

Are there power cords specifically for outdoor use?

Yes, outdoor power cords are designed with weather-resistant materials to withstand exposure to elements like rain and ultraviolet (UV) rays. They are safer for outdoor devices and activities.

How can I differentiate between a power cord and an ethernet cable?

Power cords are typically thicker and have three-pronged plugs, while ethernet cables have narrower connectors and transmit data for internet connections.

Can I use a power cord with a higher amperage rating for my device?

It's not recommended. Using a power cord with a higher amperage rating won't harm the device, but it won't provide any benefits either. Always stick to the manual instructions or recommendations.

Are coiled power cords safe to use?

Yes, coiled power cords are safe if not stretched beyond their limits. Be careful not to overextend or stretch them, as this can cause damage.

Can I use a power cord with a lower voltage rating for my device?

No, using a power cord with a lower voltage rating can lead to insufficient power supply, potentially damaging the device or causing it to malfunction.

Can I use a power cord with a different frequency rating for my device?

It's not recommended. The frequency rating of a power cord should match the electrical system's frequency where you are using the device.

What's the difference between a power cord and a power adapter?

A power cord is a cable that connects a device to a power source, while a power adapter converts the voltage from the power source to the required level for the device.

How do I know if a power cord is compatible with my device?

Check the voltage, current, and plug type of the power cord. Compare them to the requirements specified on your device's label or manual to ensure compatibility.

Can I use a power cord from an old device for a new one?

If the old device and the new one have the same voltage and current requirements and compatible plug types, you can use the power cord interchangeably.

Are power cords with grounding prongs necessary?

Power cords with grounding prongs (three-pronged plugs) provide an additional safety feature, especially for devices with metal cases. They help redirect electrical surges to the ground, reducing the risk of shocks.

Can I use a power cord with a higher wattage rating for my device?

It's generally safe to use a power cord with a higher wattage rating, but it won't provide any benefits unless your device can utilize the extra power.

Is it safe to use power cords with multiple outlets (power strips)?

Yes, power strips or surge protectors are safe when used correctly. Avoid overloading them with too many devices to prevent overheating and electrical hazards.

Can I use a power cord to charge my laptop and smartphone?

For laptops, yes, if the voltage and current match the laptop's requirements. However, smartphones usually use USB cables for charging, not power cords.

How can I prevent power cords from tangling when stored?

You can use cable organizers, velcro straps, or dedicated cord winders to keep power cords neat and untangled when not in use.

Looking for a Great Deal?
Shop Lenovo.com for great deals on A+ Education PCs, Accessories, Bundles and more.
Shop Deals Now

  • Legion 7i Gen 9 (16″ Intel) Gaming Laptop
    Starting at
    $1,699.99
    Learn More
  • ThinkPad X9 15 Aura Edition (15ʺ Intel) Laptop
    Starting at
    $1,127.97
    Learn More
  • Yoga Book 9i (13” Intel)
    Starting at
    $1,999.99
    Learn More
  • Legion 5i Gen 9 (16″ Intel) Gaming Laptop
    Starting at
    $1,415.49
    Learn More
  • Yoga 9i 2-in-1 Aura Edition (14″ Intel) Laptop
    Starting at
    $1,439.99
    Learn More
  • Shop
    • Student Deals
    • K-12 Student Laptops
    • Student Accessories
    • Laptops by Major
    Education resource
    Explore
    • What is STEM?
    • Best Laptops for College
    • Student & Teacher Discounts
    • Lenovo Sustainability Programs
    Education carry case

    Stem Articles
    See All STEM Articles
    • Online STEM Education

    • STEM Career Tips & Resources

    • Women in STEM

    • STEM Educator Training

    • STEM Grants & Funding

    • STEM Education: Coding for Kids

    • STEM Education: Robotics

    • STEM Education: Biotechnology

    • STEM Education: Sustainability

    • STEM Education: AI & ML

    While every effort has been made to ensure accuracy, this glossary is provided for reference purposes only and may contain errors or inaccuracies. It serves as a general resource for understanding commonly used terms and concepts. For precise information or assistance regarding our products, we recommend visiting our dedicated support site, where our team is readily available to address any questions or concerns you may have.

    Why Lenovo?

    Go Greener with Leno...

    Lenovo is committed to Smarter Climate Action with lower energy laptops, use of sustainable materials and packaging, and available CO2 Offset Services.
    Learn More
    pastel background

    Get It Now, Pay For ...

    Lenovo has multiple financing option: the Lenovo Credit Card, installment plans, and lease-to-own financing op...
    Learn More
    pastel background

    Productivity & Peace of Mind

    Stay productive with Premium Care Plus - 24/7 priority support and coverage against accidental damage. Power through your day with our Smart Performance and extended battery solutions.
    Learn More
    pastel background

    Fast & Secure

    Get the most from your laptop with Lenovo’s state-of-the-art Smart Performance, delivering powerful, all-in-on...
    Learn More
    pastel background

    Assistance and Suppo...

    Chat with a trained professional who can help you find the right products, place or check on an order, or setup your Education laptop.
    Contact Us
    pastel background
    Enter email to receive Lenovo marketing and promotional emails. Review our Privacy Statement for more details.
    Please enter the correct email address!
    Email address is required
    • Facebook
    • Twitter
    • Youtube
    • Pinterest
    • TikTok
    • Instagram
    Select Country / Region:
    Country
    AndroidIOS

    About Lenovo

    • Our Company
    • News
    • Investors Relations
    • Compliance
    • ESG
    • Product Recycling
    • Product Security
    • Product Recalls
    • Executive Briefing Center
    • Lenovo Cares
    • Careers
    • Formula 1 Partnership

    Products & Services

    • Laptops & Ultrabooks
    • Smarter AI for You
    • Desktop Computers
    • Workstations
    • Gaming
    • Tablets
    • Servers, Storage, & Networking
    • Accessories & Software
    • Services & Warranty
    • Product FAQs
    • Outlet
    • Deals
    • Lenovo Coupons
    • Cloud Security Software
    • Windows 11 Upgrade

    Resources

    • Legion Gaming Community
    • Lenovo EDU Community
    • Lenovo Pro Community
    • Lenovo Pro for Business
    • My Lenovo Rewards
    • Lenovo Financing
    • Lenovo Trade-in
    • Affiliate Program
    • Affinity Program
    • Employee Purchase Program
    • Lenovo Partner Hub
    • Laptop Buying Guide
    • Where to Buy
    • Glossary

    Customer Support

    • Contact Us
    • Policy FAQs
    • Return Policy
    • Shipping Information
    • Order Lookup
    • Register a Product
    • Replacement Parts
    • Technical Support
    • Forums
    • Provide Feedback
    © 2025 Lenovo. All rights reserved.
    PrivacyCookie Consent ToolSite MapTerms of UseExternal Submission PolicySales terms and conditionsAnti-Slavery and Human Trafficking Statement
    Compare  ()
    x
    Call

    Need Help? Call: 

    1-800-426-7235
    Select Your Store
    Add items to your cart?
    We've noticed that you've entered a different store. Do you want to add these items to your cart in the new store?
    No Yes. Add in Lenovo Pro