Top 10 50Ft Extension Cord Heavy Duty – Extension Cords

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1. Southwire


Southwire 2588SW0002 Outdoor Cord-12/3 SJTW Heavy Duty 3 Prong Extension Cord-for Commercial Use 50', Yellow, 50 Feet

Southwire #ad - Great for landscaping, gardening, and powering appliances. Reinforced blades add durability that protects prongs from bending and/or breaking. Lighted end indicates power is on. All purpose extension cord for indoor and outdoor use. Water resistant: flexible vinyl jacket provides protection of the cord against moisture, abrasion, and sunlight. Ul listed. Highly visible yellow jacket provides extra safety and will not mark floors or walls.
BrandSouthwire #ad
ManufacturerColeman Cable #ad
Height4 Inches
Length12 Inches
Weight0.5 Pounds
Width8 Inches
Part Number2588SW0002
WarrantyLimited Lifetime against material defects and manufacturing

2. Southwire


Red, 50-Foot, 50', Southwire 2408SW8804 14/3 SJTW ft Vinyl Outdoor All-Purpose Extension Cord, Waterproof, 13 Amp

Southwire #ad - Reinforced blades add durability that protects prongs from bending and/or breaking. 14 gauge heavy duty extension cord 3 pronged, 50 foot, 15 amp. Highly visible red jacket provides extra safety and prevents tripping while working on the job. Ul listed. All purpose outdoor extension cord, weed wacker, and powering appliances such as a shop vac, great for landscaping, bush trimmer and leaf blower. Waterproof: flexible vinyl jacket provides protection of the cord against moisture, abrasion, and sunlight.
BrandSouthwire #ad
ManufacturerColeman Cable #ad
Height6.5 Inches
Length12.5 Inches
Weight1 Pounds
Width2.5 Inches
Part Number2408SW8804

3. Yellow Jacket


Yellow Jacket 2883 12/3 Heavy-Duty 15-Amp SJTW Contractor Extension Cord with Lighted Ends, 25-Feet

Yellow Jacket #ad - Heavy duty 12 gauge, 3 pronged, 25 ft extension cord. Perfect for use with heavy duty equipment and tools. Ul and cul listed. Durable clear molded plugs are rugged, durable and over-sized. Lighted end shows power is on and cord is ready to use. Yellow jacket cords are more flexible and abrasion resistant at any temperature than standard vinyl compounds. High gloss yellow jacket resists oil, grease, moisture, and abrasion.
BrandYellow Jacket #ad
ManufacturerColeman Cable #ad
Height7 Inches
Length18.25 Inches
Weight3.67 Pounds
Width13.5 Inches
Part Number2883
WarrantyLimited Warranty

4. Champion Power Equipment


Champion Power Equipment 48034 25 ft. 30A 125V Generator Power 3750 Watts L5-30P to Three 5-15R Extension Cord, yellow

Champion Power Equipment #ad - Reliable - champion support includes 1-year limited warranty with FREE lifetime technical support from dedicated experts. Flexible - the cold and heat resistant, 10-gauge wire stays flexible in extreme temperatures and is rated for 125-volt use.

Powerful - converts a 30-amp locking outlet to three 15-amp household outlets and extends your power up to 25 feet. Safe - extend your power up to 25 feet away, protecting you and others from hazardous generator exhaust. Weather resistant - service grade, abrasion and weather-resistant insulation, plus the included dust covers keep your outlets clean and clear.
BrandChampion Power Equipment #ad
ManufacturerChampion Power Equipment #ad
Height1.4 Inches
Length300 Inches
Weight5.85 Pounds
Width4.3 Inches
Part Number48034
Warranty1-Year Limited Warranty

5. Yodotek


125/250V 30Amp 7500 Watts Yellow Generator Lock Extension Cord With UL listed Yodotek, 50 FEET Heavy Duty Generator Locking power cord NEMA L14-30P/L14-30R,4 prong 10 Gauge SJTW Cable

Yodotek #ad - 4x10 gauge cable can run the max wattage of 7500 watts, power of 30 Amp 125/250 volts. Weather/water/fire resistance the good quality of the sjtw cable 105℃ with the ft-1 level fire resistance. The cable can be used indoor/outdoor for all weather and season, it is also with the water resistance, much safer for emergency and extreme weather using.

Twist locking design the plugs was design with the lock structure. When the plug is inserted and twisted to lock place, big rain, it will not slipping from the generator socket due to wind, snow, hurricane, This is the best extension cord for your generator to connect with home appliance and electric power tools.

Heavy duty the big gague and pure copper can avoid the cable getting overheating from long -time use. It is a useful and reliable emergency extension cord for your generator. Ul certificate heavy duty generector extension cord cords with ul file number e257089. 1 year quality guarantee and 3 year customer service if you found any problem of our cable pls email us, we will feedback you in 24 hours.
BrandYodotek #ad
ManufacturerXUANHUA #ad
Length50 Feet

6. Erboelec


Erboelec 50 Feet 4 Prong 30 Amp Generator Extension Cord,Heavy Duty L14-30 Generator Power Cord,10 Gauge SJTW 125/250V Up to 7500W,UL Listed

Erboelec #ad - Fire resistant, secure for emergency and bad weather. Rated current 30 amp, all weather and water resistant, voltage 125/250 volts and power up to 7500 watts. 1 year warranty was provided after your purchase. Pure copper to avoid getting overheat from long time use.

Adjustable cable organizer with carrying handle attached, to storage the generator extension cord more conveniently and efficiently. Our generator power cords were made by a professional manufacturer which has produced power cords for more than 20 years and has been approved by UL, certificate number E257089. Ul approved. Big gauge 10 gauge 4 prong SJTW 105 ℃.

To extend the power up to 50ft away, make it more practical to meet your needs and protect you or from hazardous exhaust. Security. Heavy duty. Nema l14-30p/l14-30r twist lock plug to lock on your generator tightly avoid falling off, more secure and efficient in emergency and bad weather. Storage. After sale service. Please feel free to contact us when you meet any problems and we will feedback in 24 hours.
BrandErboelec #ad
ManufacturerXUANHUA #ad

7. GearIT


GearIT 4 Prong 30-Amp 50-Feet 250-Volt Generator Extension Cord NEMA L14-30P to L14-30R Generator Power Cord for Manual Transfer Switch, Portable Generators, Hurricane, Power Outage

GearIT #ad - If you're not completely satisfied, simply contact us directly, within 30 days of purchase for a full refund! Powerful design - gearit 50 foot, home, 30a, shelter-in-place, 125/250V electrical power cord designed specifically for emergency portable generators to power the entire house, shop, and manual transfer switch.

Ul certification seal and approval for safety. For emergency generators - our gearit 30amp 10 gauge electric generator cord designed for extreme weather conditions. Be prepared for power outages, typhoons, hurricanes, soil, rain, and snowstorms. Uses 4 prong twist lock nema l14-30P to L14-30R plug for emergency generators. Professional grade - ultra portable 50 feet 30amp generator power cords to provide electrical power for your house, emergency backup generators, appliances, or power outages.

Limited lifetime warranty - we are committed to our customers' satisfaction, which is why we offer a Limited Lifetime Replacement Warranty and a 30-Day, 100% Money-Back Guarantee. Weather resistant - ul certified heavy duty generator electric cord designed to withstand elements like wind, tornadoes, snow, and rocks for long-lasting durability that keeps you powered through hurricane season.
BrandGearIT #ad
ManufacturerGearIT #ad
Part NumberGI-EXT-L1430P-L1430R-50F

8. Mophorn


Mophorn 50Ft 50 Amp Generator Extension Cord STW 6/3 + 8/1 Generator Cord 125V 250V UL Listed Generator Power Cord N14-50P & SS2-50R & CS6364 Twist Lock Connectors

Mophorn #ad - Durable material- the resistant stw cord is made for heavy duty construction, it is built to the highest quality standards. 50' cord length- extending the power cord up to 50ft away so as to protect your and others from standing too close to the hazardous exhaust.

Wide application- this cord is perfectly suitable for camping, tailgating, outdoor and sporting in spite of hurricane season and other bad weathers. N14-50p & cs6364 - plug male: 14-50p with handle, elbow plug style for strain-relief; Receptacle Female: SS2-50R, Locking Style. Portable strap- adjustable power cord organizer which is a carrying strap. It can make the product easy to storage and carry.
BrandMophorn #ad
ManufacturerMophorn #ad
Weight42.7 Pounds



125/250V Up to 7500W 10 Gauge SJTW Generator Cord, RVMATE 4 Prong 30 Amp 75 Feet Generator Extension Cord, NEMA L14-30P/L14-30R

RVMATE #ad - Item detail: 75ft nema l14-30p to l14-30r sjtw 10 gauge 4 prong generator extension cord 125/250V up to 7500W. What you get: every package will contain generator extension cord, bag and towel, generator adapter plug, help you organize and clean the cord.

By the way, there is different size to select. Safe design: constructed with twist lock plug and connector to prevent wire from falling during use. Decent quality: the generator extension cord can endure bad weather due to strict production process and high quality material, the cord is waterproof and flexible. Various sizes: our generator extension cord can be used with generator, portable tools and other equipment.
BrandRVMATE #ad
ManufacturerRVMATE #ad
Part NumberGC43075-RM

10. Conntek


50 Feet, Conntek 20572: 30 Amp L5-30 Locking Style Generator Extension Cord

Conntek #ad - Plug male: nema l5-30p 30 amps, 125 Volts. Approval: ul, C-UL Listed. Jacket: hard serviced cord, Outdoor Rated, Heavy Duty STW. Connector female: nema l5-30r 30 Amps, 125 Volts. Gauge: 10 awg, max rating: 3, 750 Watts.
BrandConntek #ad
ManufacturerConntek #ad
Height3.3 Inches
Length13.6 Inches
Weight13.65 Pounds
Width12.4 Inches
Part Number20572
WarrantyLimited One year warranty