Shop Extension Cord Sizing Chart

Sponsored
About our ads
$163.00
Heavy Duty Extension Cord - 50', 10 Gauge, 20 Amp - ULINE
Uline
$163.00
Heavy Duty Extension Cord - 50', 10 Gauge, 20 Amp - ULINE
Uline
$111.00
Heavy Duty Extension Cord - 100', 12 Gauge, Yellow - ULINE
Uline
$111.00
Heavy Duty Extension Cord - 100', 12 Gauge, Yellow - ULINE
Uline
$62.00
Heavy Duty Extension Cord - 50', 12 Gauge, Black - ULINE
Uline
$62.00
Heavy Duty Extension Cord - 50', 12 Gauge, Black - ULINE
Uline
$79.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJEOOW, 12 Gauge, 15A, 120V, 50'L, Blue, XPX12050A
Global Industrial
1
$79.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJEOOW, 12 Gauge, 15A, 120V, 50'L, Blue, XPX12050A
Global Industrial
$99.99
Powerhorse RV Extension Cord, 50Ft., 30 Amp, 125 Volts
Northern Tool
$99.99
Powerhorse RV Extension Cord, 50Ft., 30 Amp, 125 Volts
Northern Tool
$209.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJTW, 10 Gauge, 15A, 120V, 100'L, Yellow, XPC10100A
Global Industrial
102
$209.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJTW, 10 Gauge, 15A, 120V, 100'L, Yellow, XPC10100A
Global Industrial
$17.99
Outdoor Extension Cord 25 ft Waterproof, 16/3 Gauge Heavy Duty 3 Prong Extension Cord, 13A 1625W SJTW, ETL Listed, Great For Garden And Home, Orange
Amazon.com
310
$17.99
Outdoor Extension Cord 25 ft Waterproof, 16/3 Gauge Heavy Duty 3 Prong Extension Cord, 13A 1625W SJTW, ETL Listed, Great For Garden And Home, Orange
Amazon.com
$46.33
Southwire Heavy Duty 3 Prong Extension Cord - 12/3 Gauge - 50' Foot Long - Yellow
Cable ties and more
16K+
$46.33
Southwire Heavy Duty 3 Prong Extension Cord - 12/3 Gauge - 50' Foot Long - Yellow
Cable ties and more
$36.89
Southwire Heavy Duty 3 Prong Extension Cord - 14/3 Gauge - 50' Foot Long - Red
Cable ties and more
440
$36.89
Southwire Heavy Duty 3 Prong Extension Cord - 14/3 Gauge - 50' Foot Long - Red
Cable ties and more
$299.99
Powerhorse RV Extension Cord, 50Ft., 50 Amps, 250 Volts
Northern Tool
$299.99
Powerhorse RV Extension Cord, 50Ft., 50 Amps, 250 Volts
Northern Tool
$19.47
6 ft Short Outdoor Extension Cord Waterproof - 12 Gauge Heavy Duty Extension Cord 6 ft - Lighted Outdoor Extension Cords - Watts Wire - 6' Grounded
Amazon.com
2K+
$19.47
6 ft Short Outdoor Extension Cord Waterproof - 12 Gauge Heavy Duty Extension Cord 6 ft - Lighted Outdoor Extension Cords - Watts Wire - 6' Grounded
Amazon.com
$8.99
16/3 Black Extension Cord 6 ft Indoor, Short Extension Cord For Laptops, Coffee Makers, Office Home Appliances, 3 Prong Small Resistant Cable Flexible
Amazon.com
$8.99
16/3 Black Extension Cord 6 ft Indoor, Short Extension Cord For Laptops, Coffee Makers, Office Home Appliances, 3 Prong Small Resistant Cable Flexible
Amazon.com
$142.99
Flexzilla Pro Extension Cord 14/3 AWG 100' | By West Marine
WestMarine
1
Free shipping
$142.99
Flexzilla Pro Extension Cord 14/3 AWG 100' | By West Marine
WestMarine
$112.99
Flexzilla Pro Extension Cord 12/3 AWG 50' | By West Marine
WestMarine
Free shipping
$112.99
Flexzilla Pro Extension Cord 12/3 AWG 50' | By West Marine
WestMarine
$54.23
Southwire Lighted End Extension Cord 12/3 Gauge - 50' Long - Red / White
Cable ties and more
20
$54.23
Southwire Lighted End Extension Cord 12/3 Gauge - 50' Long - Red / White
Cable ties and more
$362.99
Flexzilla Pro Extension Cord 10/3 AWG 100' | By West Marine
WestMarine
Free shipping
$362.99
Flexzilla Pro Extension Cord 10/3 AWG 100' | By West Marine
WestMarine
$79.99
Pulsar Flat Generator Extension Cord - 25Ft., 30A, 125V, 10-Gauge Wire, Model PGA312
Northern Tool
2
$79.99
Pulsar Flat Generator Extension Cord - 25Ft., 30A, 125V, 10-Gauge Wire, Model PGA312
Northern Tool
$44.95
Nice GEC1410 10-Foot Extension Cord
Crutchfield
21
$44.95
Nice GEC1410 10-Foot Extension Cord
Crutchfield
$142.20
(2 Pack) Hyper Tough Indoor/Outdoor Heavy Duty Extension Cord, 50
Walmart
483
Free shipping
$142.20
(2 Pack) Hyper Tough Indoor/Outdoor Heavy Duty Extension Cord, 50
Walmart
$20.39
Southwire 25 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
188
$20.39
Southwire 25 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
$18.09
Seasonal Source - 20' Green Medium Duty Extension Cord - EXTMD-20-G
Cheap Sprinklers
$18.09
Seasonal Source - 20' Green Medium Duty Extension Cord - EXTMD-20-G
Cheap Sprinklers
$32.95
Jan Fan 6' Extension Cord For Model Jf-Dcs, Yellow, JF-DCS-EXT6
Global Industrial
$32.95
Jan Fan 6' Extension Cord For Model Jf-Dcs, Yellow, JF-DCS-EXT6
Global Industrial
$175.00
Duromax XPC10100C 100-Foot 10 Gauge Triple Tap Extension Power Cord
Electric Generator Depot
140
Free shipping
$175.00
Duromax XPC10100C 100-Foot 10 Gauge Triple Tap Extension Power Cord
Electric Generator Depot
$39.00
Custom Color Extension Cord
Etsy
1K+
$39.00
Custom Color Extension Cord
Etsy
$36.20
Southwire 50 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
$36.20
Southwire 50 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
$39.99
IKEA - SKOTAT Extension Cord, Green, 5 ' 11 "
IKEA
132
$39.99
IKEA - SKOTAT Extension Cord, Green, 5 ' 11 "
IKEA
$6.19
Southwire 3 ft 14/3 Flat Appliance Extension Cord
hdsupplysolutions.com
$6.19
Southwire 3 ft 14/3 Flat Appliance Extension Cord
hdsupplysolutions.com
$9.99
1-Outlet Extension Cord, 16 Gauge Black With Blue Indicators 3 ft
Target
Free shipping
$9.99
1-Outlet Extension Cord, 16 Gauge Black With Blue Indicators 3 ft
Target
$259.99
Camping World Duromax 100ft 10G Heavy Duty Single Tap Blue Light Extension Cord
Camping World
Free shipping
$259.99
Camping World Duromax 100ft 10G Heavy Duty Single Tap Blue Light Extension Cord
Camping World
$91.90
VEVOR 100ft Heavy Duty Extension Cord 12AWG 15Amps 1875W 3 Prongs Indoor Outdoor Electric Cord With Lighted End Flexible & -40°C Cold-Resistant For
VEVOR
11
$91.90
VEVOR 100ft Heavy Duty Extension Cord 12AWG 15Amps 1875W 3 Prongs Indoor Outdoor Electric Cord With Lighted End Flexible & -40°C Cold-Resistant For
VEVOR
$44.60
(2 Pack) Hyper Tough 16Awgx3c 100ft Indoor And Outdoor Light Duty Orange Vinyl Extension Cord
Walmart
2K+
Free shipping
$44.60
(2 Pack) Hyper Tough 16Awgx3c 100ft Indoor And Outdoor Light Duty Orange Vinyl Extension Cord
Walmart
$22.99
1-Outlet Extension Cord, 16 Gauge Blue And Orange 25 ft
Target
Free shipping
$22.99
1-Outlet Extension Cord, 16 Gauge Blue And Orange 25 ft
Target
$7.99
IKEA - KOPPLA Extension Cord, Ungrounded White, 141 ¾ "
IKEA
80
$7.99
IKEA - KOPPLA Extension Cord, Ungrounded White, 141 ¾ "
IKEA
$18.99
12ft. Extension Cord | Storewall
RJK Investments DBA storeWALL
$18.99
12ft. Extension Cord | Storewall
RJK Investments DBA storeWALL
$144.40
50' YELLOW 10/3 HD Extension Cord Lighted Ends SJTW
Core & Main
$144.40
50' YELLOW 10/3 HD Extension Cord Lighted Ends SJTW
Core & Main
$28.63
15 ft. 14/3 SJTW Indoor/Outdoor Extension Cord With 3 Prong, Black (2-Pack )
Home Depot
11
Free shipping
$28.63
15 ft. 14/3 SJTW Indoor/Outdoor Extension Cord With 3 Prong, Black (2-Pack )
Home Depot
Choosing the Correct Extension Cord Sizes Is Critical to Safety
Choosing the Correct Extension Cord Sizes Is Critical to Safety
2 months ago
thespruce.com
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1:13
Best Extension Cords for Any Situation
Apr 8, 2019
HOMEDEPOT
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1:08
Extension cord types and gauges
Mar 6, 2025
USATODAY
Amps, Gauges & Length | The Importance of Extension Cords - Ohio Power Tool News
Amps, Gauges & Length | The Importance of Extension Cords - …
Feb 12, 2021
ohiopowertool.com
What Gauge Extension Cord Do I Need? (Amps, Length & Gauges)
What Gauge Extension Cord Do I Need? (Amps, Length & Gauges)
2K viewsOct 1, 2023
galvinpower.org
Extension Cord Gauges Explained!
2:20
Extension Cord Gauges Explained!
748 viewsOct 7, 2024
YouTubeTRADESAFE
How Do I Determine Extension Cord Amperage Needs?
3:20
How Do I Determine Extension Cord Amperage Needs?
2 views2 months ago
YouTubeYour Utilities Hub
2:53
Extension Cord 101 | Best Size For YOU
102K viewsNov 20, 2019
YouTubePro Tool Reviews
1:08
4 types of extension cords you need to know
11 months ago
aol.comCody Godwin, USA TODAY
Everything you need to know about using extension cords: Video
11 months ago
MSNCody Godwin,USA TODAY
2:54
Extension Cords 101: Understanding Their Differences
29.7K viewsApr 4, 2024
YouTubeHandyman Hertz
How To Choose the Right Extension Cord for Anything
Jan 1, 2009
gizmodo.com
10:10
Wire Gauge - AWG, Amperage, Diameter Size, & Resistance Per U…
1.2M viewsDec 7, 2019
YouTubeThe Organic Chemistry Tutor
7:15
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102.7K viewsFeb 16, 2021
YouTubeDailyElectrician
2:56
Extension Cord Sizing
23.8K viewsAug 10, 2020
YouTubeAsk the Builder
What gauge is my extension cord?
May 16, 2023
lumberjocks.com
7:27
Buying Guide to Extension Power Cords - Flexzilla
3K viewsJan 30, 2024
YouTubeWB Tool News
How to Choose the Right-Sized Electrical Wire
3 weeks ago
thespruce.com
3:37
Why Wire Gauge Matters for Extension Cords
533 views7 months ago
YouTubeAC WORKS
5:00
How to Calculate Cable Size | Cable Size Calculation | Step-by-Step
200.8K viewsMay 30, 2023
YouTubeElectrical lectures
5:21
Extension Cord Codes & Gauges
19.3K viewsSep 9, 2021
YouTubeASC Process Systems
2:07
Tips for Choosing the Right Extension Cord
1.4K viewsAug 16, 2024
YouTubenaturaled
4:21
Size of Cable, Load in Ampere and Circuit Breaker Size | Cable Gland …
738.6K viewsMar 12, 2021
YouTubeElectrical Network
3:01
What Wire Gauge Extension Cord Should I Use?
2 views2 months ago
YouTubeYour Utilities Hub
3:14
Choosing correct extension cord
12.1K viewsJun 28, 2014
YouTubeAuto Resource
6:36
Stop Using the WRONG Extension Cord // How to Choose The Right …
82.9K viewsSep 4, 2023
YouTubeDIY PRO
2:55
What Extension Cord Do I Need For My Appliance?
5 views2 months ago
YouTubeYour Utilities Hub
2:43
Amps, Gauges & Length | The Importance of Extension Cords
49.3K viewsFeb 12, 2021
YouTubeOhio Power Tool
0:12
Electrical Cable Sizes and Wiring Tips for Your Next Project
51.8K viewsMar 29, 2023
TikTokshopandlearn
8:30
Extension Cords Explained
22.9K viewsDec 3, 2018
YouTubestuntcardriver
See more videos
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Shop Extension Cord Sizing Chart

Sponsored
About our ads
$8.99
16/3 Black Extension Cord 6 ft Indoor, Short Extension Cord For Laptops, Coffee Makers, Office Home Appliances, 3 Prong Small Resistant Cable Flexible
Amazon.com
$8.99
16/3 Black Extension Cord 6 ft Indoor, Short Extension Cord For Laptops, Coffee Makers, Office Home Appliances, 3 Prong Small Resistant Cable Flexible
Amazon.com
$142.99
Flexzilla Pro Extension Cord 14/3 AWG 100' | By West Marine
WestMarine
1
Free shipping
$142.99
Flexzilla Pro Extension Cord 14/3 AWG 100' | By West Marine
WestMarine
$112.99
Flexzilla Pro Extension Cord 12/3 AWG 50' | By West Marine
WestMarine
Free shipping
$112.99
Flexzilla Pro Extension Cord 12/3 AWG 50' | By West Marine
WestMarine
$54.23
Southwire Lighted End Extension Cord 12/3 Gauge - 50' Long - Red / White
Cable ties and more
20
$54.23
Southwire Lighted End Extension Cord 12/3 Gauge - 50' Long - Red / White
Cable ties and more
$362.99
Flexzilla Pro Extension Cord 10/3 AWG 100' | By West Marine
WestMarine
Free shipping
$362.99
Flexzilla Pro Extension Cord 10/3 AWG 100' | By West Marine
WestMarine
$79.99
Pulsar Flat Generator Extension Cord - 25Ft., 30A, 125V, 10-Gauge Wire, Model PGA312
Northern Tool
2
$79.99
Pulsar Flat Generator Extension Cord - 25Ft., 30A, 125V, 10-Gauge Wire, Model PGA312
Northern Tool
$44.95
Nice GEC1410 10-Foot Extension Cord
Crutchfield
21
$44.95
Nice GEC1410 10-Foot Extension Cord
Crutchfield
$142.20
(2 Pack) Hyper Tough Indoor/Outdoor Heavy Duty Extension Cord, 50
Walmart
483
Free shipping
$142.20
(2 Pack) Hyper Tough Indoor/Outdoor Heavy Duty Extension Cord, 50
Walmart
$20.39
Southwire 25 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
188
$20.39
Southwire 25 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
$18.09
Seasonal Source - 20' Green Medium Duty Extension Cord - EXTMD-20-G
Cheap Sprinklers
$18.09
Seasonal Source - 20' Green Medium Duty Extension Cord - EXTMD-20-G
Cheap Sprinklers
$32.95
Jan Fan 6' Extension Cord For Model Jf-Dcs, Yellow, JF-DCS-EXT6
Global Industrial
$32.95
Jan Fan 6' Extension Cord For Model Jf-Dcs, Yellow, JF-DCS-EXT6
Global Industrial
$175.00
Duromax XPC10100C 100-Foot 10 Gauge Triple Tap Extension Power Cord
Electric Generator Depot
140
Free shipping
$175.00
Duromax XPC10100C 100-Foot 10 Gauge Triple Tap Extension Power Cord
Electric Generator Depot
$39.00
Custom Color Extension Cord
Etsy
1K+
$39.00
Custom Color Extension Cord
Etsy
$36.20
Southwire 50 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
$36.20
Southwire 50 ft. 16/3 Sjtw Outdoor Light-Duty Extension Cord
hdsupplysolutions.com
$39.99
IKEA - SKOTAT Extension Cord, Green, 5 ' 11 "
IKEA
132
$39.99
IKEA - SKOTAT Extension Cord, Green, 5 ' 11 "
IKEA
$6.19
Southwire 3 ft 14/3 Flat Appliance Extension Cord
hdsupplysolutions.com
$6.19
Southwire 3 ft 14/3 Flat Appliance Extension Cord
hdsupplysolutions.com
$9.99
1-Outlet Extension Cord, 16 Gauge Black With Blue Indicators 3 ft
Target
Free shipping
$9.99
1-Outlet Extension Cord, 16 Gauge Black With Blue Indicators 3 ft
Target
$259.99
Camping World Duromax 100ft 10G Heavy Duty Single Tap Blue Light Extension Cord
Camping World
Free shipping
$259.99
Camping World Duromax 100ft 10G Heavy Duty Single Tap Blue Light Extension Cord
Camping World

Shop Extension Cord Sizing Chart

Sponsored
About our ads
$163.00
Heavy Duty Extension Cord - 50', 10 Gauge, 20 Amp - ULINE
Uline
$163.00
Heavy Duty Extension Cord - 50', 10 Gauge, 20 Amp - ULINE
Uline
$111.00
Heavy Duty Extension Cord - 100', 12 Gauge, Yellow - ULINE
Uline
$111.00
Heavy Duty Extension Cord - 100', 12 Gauge, Yellow - ULINE
Uline
$62.00
Heavy Duty Extension Cord - 50', 12 Gauge, Black - ULINE
Uline
$62.00
Heavy Duty Extension Cord - 50', 12 Gauge, Black - ULINE
Uline
$79.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJEOOW, 12 Gauge, 15A, 120V, 50'L, Blue, XPX12050A
Global Industrial
1
$79.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJEOOW, 12 Gauge, 15A, 120V, 50'L, Blue, XPX12050A
Global Industrial
$99.99
Powerhorse RV Extension Cord, 50Ft., 30 Amp, 125 Volts
Northern Tool
$99.99
Powerhorse RV Extension Cord, 50Ft., 30 Amp, 125 Volts
Northern Tool
$209.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJTW, 10 Gauge, 15A, 120V, 100'L, Yellow, XPC10100A
Global Industrial
102
$209.99
Duromax Heavy Duty Single Tap Extension Power Cord, SJTW, 10 Gauge, 15A, 120V, 100'L, Yellow, XPC10100A
Global Industrial
$17.99
Outdoor Extension Cord 25 ft Waterproof, 16/3 Gauge Heavy Duty 3 Prong Extension Cord, 13A 1625W SJTW, ETL Listed, Great For Garden And Home, Orange
Amazon.com
310
$17.99
Outdoor Extension Cord 25 ft Waterproof, 16/3 Gauge Heavy Duty 3 Prong Extension Cord, 13A 1625W SJTW, ETL Listed, Great For Garden And Home, Orange
Amazon.com
$46.33
Southwire Heavy Duty 3 Prong Extension Cord - 12/3 Gauge - 50' Foot Long - Yellow
Cable ties and more
16K+
$46.33
Southwire Heavy Duty 3 Prong Extension Cord - 12/3 Gauge - 50' Foot Long - Yellow
Cable ties and more
$36.89
Southwire Heavy Duty 3 Prong Extension Cord - 14/3 Gauge - 50' Foot Long - Red
Cable ties and more
440
$36.89
Southwire Heavy Duty 3 Prong Extension Cord - 14/3 Gauge - 50' Foot Long - Red
Cable ties and more
$299.99
Powerhorse RV Extension Cord, 50Ft., 50 Amps, 250 Volts
Northern Tool
$299.99
Powerhorse RV Extension Cord, 50Ft., 50 Amps, 250 Volts
Northern Tool
$19.47
6 ft Short Outdoor Extension Cord Waterproof - 12 Gauge Heavy Duty Extension Cord 6 ft - Lighted Outdoor Extension Cords - Watts Wire - 6' Grounded
Amazon.com
2K+
$19.47
6 ft Short Outdoor Extension Cord Waterproof - 12 Gauge Heavy Duty Extension Cord 6 ft - Lighted Outdoor Extension Cords - Watts Wire - 6' Grounded
Amazon.com
$8.99
16/3 Black Extension Cord 6 ft Indoor, Short Extension Cord For Laptops, Coffee Makers, Office Home Appliances, 3 Prong Small Resistant Cable Flexible
Amazon.com
$8.99
16/3 Black Extension Cord 6 ft Indoor, Short Extension Cord For Laptops, Coffee Makers, Office Home Appliances, 3 Prong Small Resistant Cable Flexible
Amazon.com
$142.99
Flexzilla Pro Extension Cord 14/3 AWG 100' | By West Marine
WestMarine
1
Free shipping
$142.99
Flexzilla Pro Extension Cord 14/3 AWG 100' | By West Marine
WestMarine
$112.99
Flexzilla Pro Extension Cord 12/3 AWG 50' | By West Marine
WestMarine
Free shipping
$112.99
Flexzilla Pro Extension Cord 12/3 AWG 50' | By West Marine
WestMarine
$54.23
Southwire Lighted End Extension Cord 12/3 Gauge - 50' Long - Red / White
Cable ties and more
20
$54.23
Southwire Lighted End Extension Cord 12/3 Gauge - 50' Long - Red / White
Cable ties and more
$362.99
Flexzilla Pro Extension Cord 10/3 AWG 100' | By West Marine
WestMarine
Free shipping
$362.99
Flexzilla Pro Extension Cord 10/3 AWG 100' | By West Marine
WestMarine
$79.99
Pulsar Flat Generator Extension Cord - 25Ft., 30A, 125V, 10-Gauge Wire, Model PGA312
Northern Tool
2
$79.99
Pulsar Flat Generator Extension Cord - 25Ft., 30A, 125V, 10-Gauge Wire, Model PGA312
Northern Tool
$44.95
Nice GEC1410 10-Foot Extension Cord
Crutchfield
21
$44.95
Nice GEC1410 10-Foot Extension Cord
Crutchfield