The 12 best portable generator cords of 2025

Quality Cable – NEMA L14-30P to L14-30R SJTW 10 Gauge 4 Prong 25FT generator extension cord 125/250V. Deliver power from your generator to your end-use device.

Twist Lock Design – Twist lock plug avoids cord falling off. The strain relief structure makes the cord not easy to pull out.

Weather Resistant – All-weather resistant jacket remains flexible and will not crack or deform in temperatures from 221 ℉ to -40 ℉. Specifically designed for extreme weather conditions.

Heavy Duty – Big gauge and pure copper to avoid the cable getting overheated from long-time use. Long enough to keep your generator in a safe place while running.

Storage – Colorful storage bag and cord organizer with carrying handle keep power cord neatly for storage.

GEARit Generator Extension Cord - With multiple length options up to 100 feet, this heavy-duty generator extension cord is the perfect choice for powering your home, vehicle or any essential equipment you need to use when you cannot access the power grid. Oxygen-free copper wire and industrial design ensure clean, consistent operation.

Consistent Power Over Distance - This generator extension cord transfers power up to 30 Amps / 120 Volts / 7500 Watts over premium 100% oxygen-free copper wire, the only option to guarantee clean, strong power when it matters most. Whether it's a short 6.6-foot connection or a long 100-foot run to a distant generator, this extension cord has you covered.

Weather Resistant Design - When using your generator for emergency power, weather is often a major factor. That is why this generator extension cord is ETL listed for weather resistance, so you can keep your home or vehicle running during severe storms and other weather events while keeping your generator at a safe distance to avoid noise and hazardous fumes.

Twist Lock Plug for Secure Connection - When you are powering a home or business, losing power for even a moment can be a huge disruption. This generator extension cord prevents interruptions with a twist lock plug, designed to stay in place even when tugged or struck by storm debris, while remaining ergonomic and easy to remove when intended.

Easy to See in the Dark - The bright green jacket helps this generator extension cord stick out from grass, bushes or other obstructions, even at night or in overcast conditions. In addition to making the extension cord easy to locate, this feature also protects from accidents and tripping, ensuring safety for yourself, your family or customers at your business.

Can be Used in Any Ccenario: This heavy duty generator extension cord with multiple length options up to 75 feet; in case of power outages or emergencies; you can use the power cord to connect a portable generator and manual transfer switch to power houses; rvs and other outdoor camping equipment

Weatherproof and Durable: Generator extension cable is etl certified with 30 amp 4 prong heavy duty generator cable; stw 125/250v; NEMA L14-30P to L14-30R; with excellent weather resistance and IP65 waterproof rating; it is suitable for use in all weather conditions; including sunlight; rain; and low temperatures (-40°C); it is heat-resistant; flame-retardant; corrosion-resistant and abrasion-resistant to ensure more safety and reliability

Twist-lock Design & Stable Power Supply: The twist-lock plug prevents the cord from coming off due to external force in all kinds of harsh weather conditions; preventing power interruption; the plug and receptacle are designed for easy gripping and clamping; ensuring that the plug can be bent at any angle without breaking

Matching Cord Organizer & Easy Storage: L14-30 generator power cord 15ft sheath is made of sturdy and flexible material; easy to bend and store; and can adapt to different layouts and environments in addition; an adjustable cord organizer is included to neatly coil and hang the cord; making storage and transportation easier and preventing tangles and confusion

ETL Certification and Quality Assurance: We will check each product before shipment; your satisfaction is our utmost pursuit; if you encounter problems in the process of use; you can reach us at any time; we will solve the problem for you within 24 hours

Features & Benefits: 25 foot 4 prong generator extension cord 30amp; STW 125/250v; 3750w/7500w; NEMA L14-30P to L14-30R; ideal for connecting portable generator to manual transfer switch; house and outdoor RV use; made of pure copper; avoid overheating due to long-time use; more durable and safe

Weatherproof & Durable: Heavy duty outdoor generator cord 30 amp 4 prong exhibits excellent weather resistance IP65 waterproof; making it suitable for use in various weather conditions; including sunlight; rain; and low temperatures (-40°C); it is constructed with high-quality materials and is heat-resistant; flame-retardant; corrosion-resistant; wear-resistant ensuring safer and more reliable

Twist Locking Design: The twist lock plug prevents cord falling off due to external force in various severe weather conditions; easy grip and strain relief plug and socket design ensures the plug can bent at any angle without breaking

Flexible & Easy to Storage: L14-30 generator power cord 25 ft jacket is made with solid and flexible material; allowing for easy bending and storage; adapting to different layouts and environments; additionally; equipped with an adjustable cord organizer that enables neat coiling of the cord and hanging; making storage and transportation easier and preventing tangles and messes

ETL and Service: You will get a 4 prong black generator cord 30 amp 25ft; your satisfaction is our greatest pursuit; if you encounter problems in the process of use; you can touch us at any time; we will solve the problem for you within 24 hours

Powerful – Connect the locking outlet on your generator to the manual transfer switch on your home and extend up to 30 amps of power

Flexible – The cold and heat resistant 25-foot, 10-gauge wire stays flexible in extreme temperatures and is rated for 250-volt use

Weather Resistant – Service grade, abrasion and weather-resistant SJTW insulation

Safe – Extend your power up to 25 feet away, protecting you and others from hazardous generator exhaust

Reliable – Champion Support includes 1-year limited warranty with FREE lifetime technical support from dedicated experts

Powerful - Converts a 30-amp locking outlet to three 15-amp household outlets and extends your power up to 25 feet

Weather Resistant - Service grade, abrasion and weather-resistant insulation, plus the included dust covers keep your outlets clean and clear

Flexible - The cold and heat resistant, 10-gauge wire stays flexible in extreme temperatures and is rated for 125-volt use

Safe - Extend your power up to 25 feet away, protecting you and others from hazardous generator exhaust

Reliable - Champion Support includes 1-year limited warranty with FREE lifetime technical support from dedicated experts

🛡️ Heavy-duty 4-prong 10-gauge cable with NEMA L14-30P/Four 5-20R connectors, capable of handling up to 30A and 7500 watts of power at 125/250 volts.

🛡️ Made with pure copper and larger gauge wiring to prevent overheating during long-term use, giving you peace of mind when running higher amp loads.

🛡️ Weather and fire-resistant design with 105℃ PVC and FT-1 level fire resistance, suitable for indoor and outdoor use in all weather conditions.

🛡️ Twist-locking plugs for secure connection to your generator, preventing slipping due to wind, rain, or snow. Perfect for connecting home appliances and electric power tools during emergencies.

GUARANTEED SAFETY: Heavy duty power cord is made of 100% pure copper wire with flame retardant graphic layer and PVC jacket. The power cord is UL listed and the power inlet box is ETL listed. They are designed to remain functional in extreme weather.

SPECIFICATIONS：Length:15 FT; Voltage: 125V/250V; Wire Gauge: STW 6/3 + 8/1 AWG; PLUG: 50AMP NEMA 14-50P Male to NEMA SS2-50R Female; Twist Locking Connector; Maximum Wattage: 12,500 Watts.

EASY TO USE PRE-DRILLED BOX: Measuring up to 6.3'*4.25'*3.1', Landnor 50AMP NEMA SS2-50P Inlet box is designed with pre-drilled holes in all four directions and a larger size box. You can easily open the drilled holes to connect switches and electrical panels from any direction. The larger space is your neater wiring, faster heat dissipation and easier operation.

ERGONOMIC DESIGN: The twist-lock ring on the female plug of the 50 amp generator cord helps keep dirt and rain out of the plug connection, while the ergonomic finger grip on the male plug makes it easier for you to plug and unplug. The generator box has a full-coverage rust-resistant coating that provides strong protection against wind, rain and rust. It has a flip-top lid with wind- and rain-resistant foam to keep out dust and moisture.

ALL WEATHER KEEP WORKING: This generator extension cable with air intake box provides a safe and convenient way to connect your generator to your home's manual transfer switch, our generator-to-home connection kit works well in all kinds of harsh weather conditions, whether it's a hurricane or a blizzard, and ensures a stable and continuous supply of power in case of power outage emergencies.

What You Get: 1 x 50 Amp Generator Cable (15 feet) + 1 x 50 Amp Generator Entry Box (pre-drilled) + 1 x Cable Tie + 1 x Storage Bag + 1 x User Manual. In addition, we provide 1 year warranty and 90 days no reason return service. If you encounter any problems when using our products, please feel free to contact us, there are professional customer service waiting for you to help solve your problems.

【30 Amp Generator Cord 25FT】NEMA L14-30P male to L14-30R female generator cord.Our generator extension cord are ETL certificated,rating for 125V/3750W and 250V/7500W.Length 25 Foot to keep your generator in a safe place while running.

【Widely Used】This generator cord for power outages,houses,RVs,tailgating and other outdoor camping equipment,provides a safe and reliable electrical connection between your generator and power inlet box.

【Weather Resistance】The wire is coated with heavy duty flame retardant and heat-resistant(max work temperature: 60℃)PVC sheath,which can resist the invasion of outdoor environment.Protect the wires from wind, rain,snow,soil and stones to make them durable.

【Quality Cable】This cable is made of 10AWG x 4C pure copper wire to avoid overheating for long time use.The 100% pure copper wire gives it excellent conductivity.

【Convenient Storage】Our extension cords for generators are equipped with an adjustable cable organizer that neatly coils and hangs the cord,making storage and transportation easier.

50A Extension Cable: Current: 50AMP, Voltage: 110V, Power: 12500W. This 50A power cord is pure copper wires. It has 6/3+ 8/1 (3 wires at 6 AWG, 1 wire at 8 AWG) cable, which is heavy-duty.

15FT Power Cord: The 15FT length generator cord is suitable for long-distance operation. Possessing the capacity of STW, this 50 amp generator cord can be used indoors and outdoors in all weather and seasons.

Sturdy & Reliable Cable: Our cable is rated STW (service grade, thermoplastic, and outdoor rated) to resist wetness and sunlight. Utilize cord in temperatures ranging from -40 °F to 140 °F, so it is flexible enough to be managed.

Portable Grip & Strap: The ergonomic grip makes it easier for you to plug and unplug. The plastic strap makes the cord neat when not in use. This generator wire is perfect for emergency generator connection to help power the entire home, office, shop, etc.

Wide Application: This cord enables an easier reach from your generator to your nearest power receptacle or electrical connection. So you can use secure electricity when you are home, working, or outdoor traveling.

Power up your RV, motorhome, camper, trailer, emergency portable generator, home, shop, and manual transfer switch with GEARit's powerful 15-foot, 30A, 125/250V electrical power cord.

Get professional-grade performance with this portable 1-foot, 30amp extension cord that's perfect for providing electrical power to your RV, camper, house, appliances, and generator. It's UL certified for safety, so you can trust it to deliver reliable power.

Charge your RV, motorhome, or outdoor campers quickly and efficiently with this high-performance power cord. It features a 10-gauge, 125/250 volts electric power cord that connects Male NEMA TT-30P to Female NEMA L5-30R molded connector.

Don't let the weather stop you from enjoying your outdoor adventures. This heavy-duty PVC electrical cord is weather-resistant and provides protection from wind, rain, snow, soil, and rocks for long-lasting durability. Its weather-resistant thermoplastic jacket performs under extreme weather conditions.

Weather Resistant 30 Amp RV Cord. This STW Rated, ETL Listed, safe certified extension cable performs flawlessly in demanding weather situations. Use it for prolonged exposure to the sun, rain, snow, and temperature changes.

🚩【Powerful】:RVMATE 30 amp generator cord provides a safe and reliable electrical connection between your generator and power inlet box, allowing them to power appliances/devices during a power outage or in remote locations where electrical power is not available.

🚩【High Conductivity】 : Features a standard 30A (NEMA L14-30P) male plug and 30A (NEMA L14-30R) female connector. RVMATE generator power cord is ETL certificated, rating 10AWG/4C 30A 125/250V 3750/7500W. The conductor is 100% copper wires for superior conductivity.

🚩【Flexible, Safe & Durable】：The 4 prong 30 amp generator cord will remain flexible and easy to be winded up even in cold weather. Made of flame retardant, heat-resistant (max work temperature: 60℃) heavy-duty PVC sheath, it Protects the safety of you and your family.

🚩【Useful Design】: Constructed with twist lock plug and connector to prevent wire from falling during use. The plug has strain-relief design to reduce stress on the power cord and its connection.

🚩【What you get】: Every package will contain generator extension cord, generator adapter plug, bag and towel, help you organize and clean the cord.