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Extension Cords For Indoor Use

Find extension cords for indoor use to connect electronics and appliances when a wall outlet is out of reach. Compare cord lengths, outlet counts, and power ratings to choose an option that fits your space and the devices you plan to plug in. Check each device’s power requirements and manufacturer guidance before using an extension cord.

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  1. Insignia™ - 10' 3-Outlet Extension Power Cord - Black

    SKU: J2FPJK3QXX

    I love yo shopping from best buy and i will buy everything from best buy....Thanks for giving self respect and care for other love to see it....Bought this for home and it works great..............Best...

    Product Description

    A black, heavy-duty extension cord with three grounded outlets for powering multiple indoor devices safely.
    See all Power Cords & Strips
    Your price for this item is $17.99

  2. Insignia™ - 12' USB 3.0 A-Male to A-Female Extension Cable - Black

    SKU: J2FPJKSRWV

    Great length,Great price,easy to use and attach best buy customer service was awesome...Was needed to connect our TV and very convenient to purchase same time as Wall Mount from Best Buy online...Great...

    Product Description

    A black USB 3.0 extension cable offering 5 Gbps transfer speeds and durable nickel-plated connectors.
    See all Monitor & Video Cables
    Your price for this item is $14.99

  3. Best Buy essentials™ - 12’ 16ga Indoor/Outdoor Extension Power Cord - Black

    SKU: J2FPJKS5WX

    Best Buy 12” 16ga extension cord is a great product heavy duty for all power equipment and low price...Love it

    Product Description

    A black grounded extension cord offering 12 feet of safe, reliable indoor or outdoor power connectivity.
    See all Power Cords & Strips
    Your price for this item is $10.99

  4. Best Buy essentials™ - 6’ 16ga Indoor/Outdoor Extension Power Cord - Black

    SKU: J2FPJKS5T9

    Great, Best Buy is where I buy all my tech products....Great cable...Always impressed with the Best Buy cable products work just as intended thank you

    Product Description

    A black grounded extension cord offering 6 feet of safe, reliable indoor or outdoor power connectivity.
    See all Power Cords & Strips
    Your price for this item is $8.99

  5. Best Buy essentials™ - 25' 16 AWG Indoor/Outdoor Extension Power Cord - Black

    SKU: J2FPJKST8C

    The best!...Best extension cord! Works great and durable. Great price - highly recommend!...Another great find from Best Buy Essentials!...I wish Best Buy Essentials made every type of item one could...

    Product Description

    A durable black extension cord designed for indoor or outdoor use, perfect for powering holiday lights.
    See all Power Cords & Strips
    Your price for this item is $19.99

  6. Insignia™ - 8’ 16 AWG Indoor Extension Power Cord with Rotating Plug - White

    SKU: J2FPJK9C9Z

    Best product and possible purchase this later years...placed in wall with ground up, this cord allows for rotation to accommodate that issue, good idea from Best

    Product Description

    A white indoor extension cord with an 8-foot reach, 16 AWG wiring, and a rotating lay-flat plug.
    See all Surge Protectors & Power
    Your price for this item is $9.99

  7. Maximm - 360° Rotating Flat Plug Extension Cord with a Removable Hook, Extension Cord 1 ft (16 Gauge) UL Certified - White

    SKU: J3GW8HVLS6

    Product Description

    A white 1-foot, 16-gauge extension cord featuring a 360° rotating flat plug and removable hook.
    See all Power & Extension Cords
    Your price for this item is $15.99

  8. Maximm - 360° Rotating Flat Plug Extension Cord with a Removable Hook, Extension Cord 6 ft (16 Gauge) UL Certified - White

    SKU: J3GW8HVL9J

    Product Description

    A white 6-foot extension cord featuring a 360° rotating flat plug and removable hook for versatile use.
    See all Power & Extension Cords
    Your price for this item is $17.99

  9. Maximm - 360° Rotating Flat Plug Extension Cord with a Removable Hook, Extension Cord 12 ft (16 Gauge) UL Certified - White

    SKU: J3GW8HVL67

    Product Description

    A white 12-foot extension cord featuring a 360° rotating flat plug and removable hook for versatile use.
    See all Power & Extension Cords
    Your price for this item is $20.99

  10. Maximm - 360° Rotating Flat Plug Extension Cord with a Removable Hook, Extension Cord 6 ft (16 Gauge) UL Certified - Black

    SKU: J3GW8HVLP4

    Product Description

    A black 6-foot extension cord featuring a 360° rotating flat plug, removable hook, and three outlets.
    See all Power & Extension Cords
    Your price for this item is $17.99

  11. Staples TECH - 8' Extension Cord, 3-Outlet, 16 AWG - Gray/Silver

    SKU: JXTHLKWJHF

    great plug...the best part of this new power cord is the plug flat....Love it!

    Product Description

    A gray and silver extension cord with three outlets, flat cord, right-angle plug, and 8-foot reach.
    See all Power & Extension Cords
    Your price for this item is $11.49
    Save $2
    The previous price was $13.67

  12. Maximm - 360° Rotating Flat Plug Extension Cord with a Removable Hook, Extension Cord 1 ft (16 Gauge) UL Certified - Black

    SKU: J3GW8HVLPG

    Product Description

    A black, ultra-thin 1 ft extension cord with a 360° rotating flat plug and removable hook.
    See all Power & Extension Cords
    Your price for this item is $15.99

  13. Maximm - 360° Rotating Flat Plug Extension Cord with a Removable Hook, Extension Cord 3 ft (16 Gauge) UL Certified - Black

    SKU: J3GW8HVLPR

    Product Description

    A black 3-foot extension cord featuring a 360° rotating flat plug, three outlets, and a removable hook.
    See all Power & Extension Cords
    Your price for this item is $16.99

  14. Maximm - 360° Rotating Flat Plug Extension Cord with a Removable Hook, Extension Cord 3 ft (16 Gauge) UL Certified - White

    SKU: J3GW8HVLSZ

    Product Description

    A white 3-foot extension cord featuring a 360° rotating flat plug and removable hook for versatile use.
    See all Power & Extension Cords
    Your price for this item is $16.99

  15. Maximm - 5ft 360° Rotating Flat Plug Extension Cord with on and Off Switch, 2 Prong, 3 Outlets - Black

    SKU: J39T8ZX3CP

    Product Description

    A black extension cord with a 360° rotating flat plug, on/off switch, and three 2-prong outlets.
    See all Power & Extension Cords
    Your price for this item is $24.99

  16. ProjeX - Indoor or Outdoor 2 ft. L Extension Cord 12/3 STW - Orange

    SKU: J39KYTHPRX

    Product Description

    An orange extension cord with three outlets, suitable for indoor or outdoor use and rated at 125 volts.
    See all Power & Extension Cords
    Your price for this item is $26.53

  17. Maximm - 30 Foot 360° Rotating Flat Plug Extension Cord/Wire, 3 Prong Grounded Wire 16 Awg Power Cord - UL Certified - Black

    SKU: J3GWX6L4GT

    Product Description

    A black, UL-certified extension cord featuring a 360° rotating flat plug for flexible, space-saving power access.
    See all Power & Extension Cords
    Your price for this item is $28.99

  18. Maximm - 360° Rotating Flat Plug Extension Cord 25 ft, with LED Indicator and Removable Hook, 16 Gauge, UL Certified - White

    SKU: J3GWX6LVVX

    Product Description

    A white extension cord with a 360° rotating flat plug, LED indicator, removable hook, and UL certification.
    See all Power & Extension Cords
    Your price for this item is $25.99

  19. Maximm - 360° Rotating Flat Plug Extension Cord 25 ft, with LED Indicator and Removable Hook, 16 Gauge, UL Certified - Black

    SKU: J3GWX6LV5F

    Great cord

    Product Description

    A black, 25-foot extension cord with a 360° rotating flat plug, LED indicator, and removable hook.
    See all Power & Extension Cords
    Your price for this item is $25.99

  20. Energizer - Multi Plug Extension Cord | Twin 6ft Power Strips (12 Feet Total) 6-Device Wall Outlet Expander Pack - White

    SKU: J36ZJL6S9G

    Product Description

    A white extension cord with twin 6-foot power strips, six outlets, and ETL certification for safety.
    See all Power & Extension Cords
    Your price for this item is $19.99

  21. Maximm - 5ft 360° Rotating Flat Plug Extension Cord with on and Off Switch, 2 Prong, 3 Outlets - White

    SKU: J39T8ZX3C2

    Product Description

    A white extension cord featuring a 360° rotating flat plug, on/off switch, and three convenient outlets.
    See all Power & Extension Cords
    Your price for this item is $24.99

  22. Maximm - 360 Degree Rotating Flat Extension Cord 12 Ft Multi 3 Outlet Power Cord Grounded 16 AWG UL Certified - Black

    SKU: J39T8ZXLSZ

    Product Description

    A black, UL-certified extension cord with a 360° rotating flat plug and three grounded outlets.
    See all Power & Extension Cords
    Your price for this item is $18.99

  23. Maximm - 6 Feet 14Awg 360° Rotating Flat Plug Extension Cord / Wire, 3 Prong Grounded Wire, Heavy Duty - UL Certified - White

    SKU: J39VGYHGYX

    Product Description

    A heavy-duty white extension cord with a 360° rotating flat plug for flexible, space-saving power connections.
    See all Power & Extension Cords
    Your price for this item is $16.99

  24. Maximm - 360 Degree Rotating Flat Extension Cord 12 Ft Multi 3 Outlet Power Cord Grounded 16 AWG UL Certified - White

    SKU: J39VGYHZVX

    Product Description

    A white, UL-certified extension cord with a 360-degree rotating flat plug and three grounded outlets.
    See all Power & Extension Cords
    Your price for this item is $18.99
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Indoor extension cords provide temporary access to power for compatible electronics, lamps, and other household devices that cannot comfortably reach a wall outlet. Choosing the best extension cord for indoor use starts with checking the electrical requirements of the device you plan to connect and the cord’s labeled amperage and wattage limits. Never exceed those ratings, and select a grounded, three-prong extension cord for equipment with a three-prong plug—without removing the grounding pin or bypassing the ground connection. Cord length and wire gauge also matter: a lower American Wire Gauge (AWG) number indicates thicker wire, while longer cords can cause more voltage drop. Choose the shortest practical cord with an appropriate rating for the connected load, and look for a recognized safety certification, such as UL or ETL. Whether you need an indoor extension cord for a home office, living room, or temporary entertainment setup, checking the product labeling and your equipment’s instructions helps you find a suitable option. Safe placement is just as important as selecting the right indoor power extension cord. Keep cords visible, away from heat and moisture, and clear of doorways or walking paths where they could become damaged or create a tripping hazard. Never run an extension cord under a rug, through a wall, or beneath furniture that could crush it, and do not connect multiple extension cords together to reach a distant outlet. A flat-plug extension cord may offer a convenient fit near furniture, but the plug and cable still need adequate clearance to prevent pinching. Multi-outlet extension cords can accommodate more than one compatible device, but their combined electrical load must remain within the cord’s rating; extra outlets do not increase its power capacity. An extension cord also does not provide surge protection unless it is specifically labeled to do so. Follow appliance manufacturers’ instructions, and plug space heaters, refrigerators, microwaves, and other appliances that require direct wall connections into suitable wall outlets rather than extension cords. Inspect cords before use, replace any with frayed insulation or damaged plugs, and have a qualified electrician install additional outlets if you need a permanent power solution.

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FAQ

An indoor extension cord has a flexible cable with a plug at one end and one or more outlets at the other. A power strip typically groups several outlets in a single housing and may include a power switch. Neither term automatically means the accessory includes surge protection.

Common configurations include two-prong plugs and grounded three-prong plugs. Two-prong versions may be polarized, with one blade wider than the other. Outlet configurations also vary, so product descriptions typically identify both the plug and receptacle types.

Indoor extension cords come in neutral colors such as white, black, beige, and gray, as well as decorative colors and patterns. Common finishes include smooth plastic jackets and woven fabric exteriors that can coordinate with furniture, flooring, or home office decor.

Retractable extension cords store their cable on a reel or inside a housing, using a manual or spring-loaded winding mechanism. Standard extension cords have a loose cable that is coiled by hand for storage. Some reel-style models also include a handle or mounting hardware.

Common jacket materials include PVC and rubber compounds. Decorative indoor extension cords may also feature a braided fabric covering over the insulated cable. Product specifications usually distinguish the jacket material from any decorative outer covering.

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Best Buy Canada

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.