The 15 best generator cords for home backup of 2025

【50 amp Generator extension cord】 Copper generator cord with low resistance and good electrical conductivity, which can prevent the cable from overheating due to long-term use. The outer layer of the generator cable is wrapped by flame-retardant PVC material, which is wear-resistant, heat-resistant, waterproof and durable.

【UL & ETL Certified】 NEMA 14-50P to SS2-50R. Voltage: 125V/250V. Power: 12500W. Temperature Range: -40℉~140℉. ETL certified 50 amp generator power cord, moisture-proof and explosion-proof. The waterproof plug design can protect the generator cord from extreme weather.

【Clamshell Design Power Inlet Box】 Four Pre-Drilled Holes design makes installation more convenient, no need to use extra tools, such as screwdrivers, drills. With unique twist lock design, more stable. With safety indicator light, the green indicator light indicates that it is working normally.

【Generator Interlock Kit】 Compatible with Square D QO or Homeline 150 or 200 amp panels. Use the interlock kit to set the closure of the main breaker and the generator breaker to safely direct generator power to the house. The distance between the main breaker and the generator breaker is 1-3/8".

【Widely Used】 Using the generator cord 50 amp, you can keep the generator away from your house, avoiding the exhaust gas and noise from the generator. Suitable for unexpected power outages and extreme weather, providing stable power delivery to your house. With storage bag and wire lifter, which is portable and easy to store.

【What You Will Get】 1 x 30 ft 50 Amp generator extension cord, 1 x pre-drilled power inlet box, 1 x generator interlock kit, 1 x storage bag, 1 x wire lifter, and accessories as needed. If you have any question, please contact our customer service in time.

🚩【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.

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

✅【50 Feet Generator Extension Cord】 This heavy-duty generator extension cord delivers up to 30 Amps / 120 Volts / 7500 Watts, making it perfect for RVs, home backup systems, and portable generators. (Choose from 10 ft, 25 ft, or 50 ft lengths to suit your setup.)

✅【Heavy-Duty Construction】 Crafted with oxygen-free copper wires and a rugged industrial-grade design, this extension cord ensures maximum durability and reliable performance, even in the toughest conditions.

✅【Secure Locking Connectors】 Featuring NEMA L14-30P to NEMA L14-30R locking plugs, this cord provides a stable, secure connection that prevents accidental disconnections, keeping your power supply uninterrupted.

✅【Weather-Resistant Design】 Engineered to withstand rain, snow, and extreme temperatures, this extension cord is ideal for outdoor applications, ensuring reliable power delivery in any environment.

✅【ETL Listed & 2-Year Product Support】 Certified by ETL for safety and performance, this cord meets strict electrical standards. Plus, enjoy peace of mind with our 2-year product support, guaranteeing long-term satisfaction and reliability.

HEAVY DUTY: This DuroMax Power Cord is outdoor rated for safe use at home and on the job site.

PERFECT FOR HOME POWER BACKUP: Plug your generator directly to your home transfer switch via a 50A CS6364 Inlet (not included). Fits all generators with a 240V 50A (14-50) output.

DURABLE STW JACKET: Resists moisture, abrasion, and stays protected from extreme temperatures. (Cable temperature rating -40 to 140°F)

REINFORCED BLADES: Minimizes bending of prongs and reduces breakage.

GROUNDED PLUGS: Ensures safe operation.

HEAVY DUTY: This DuroMax Power Cord is outdoor rated for safe use at home and on the job site.

PERFECT FOR HOME POWER BACKUP: Plug your generator directly to your home transfer switch via a 30A L14-30 Inlet (not included). Fits all generators with a 240V 30A (L14-30) output.

DURABLE SJT JACKET: Resists moisture, abrasion, and stays protected from extreme temperatures. (Cable temperature rating -40 to 140°F)

REINFORCED BLADES: Minimizes bending of prongs and reduces breakage.

GROUNDED PLUGS: Ensures safe operation.

[Core Strength for Camping] - The DaranEner NEO600 is a portable power station packing a 576Wh capacity and 600W AC output, With a whole host of ports, from 300W AC outlets to USB-C, we've got all your device's plugs covered. Capable of powering a variety of appliances, including laptops and small appliances, it is an ideal companion for outdoor adventures, road trips or emergencies

[<10 MS UPS] - The NEO600 portable power station has an uninterruptible power supply (UPS) function. Switching time is 10ms when power outage, protecting your desktop PC, file server and other sensitive devices from data loss or damage. And when no one was at home, in the event of a sudden power failure, the normal power supply for CPAP, aquarium supplies, refrigerators, wine cabinets, etc. can be guaranteed for a long time

[1 Hour AC Recharge] - Power up in just 1 hour! With DaranEner fast charging technology, recharge your NEO600 using any standard AC outlet. Charge fast and save time so you get moving on your next trip or outdoor adventure.

[LiFePO4 Long-Life Battery] - Enjoy over 10 years of use with our LiFePO4 battery cells. Engineered with a durable LFP battery, the NEO600 maintains over 70% of its original capacity even after 3,500 charge cycles, offering exceptional longevity exceeding 10 years of use. Advanced BMS protection that monitors voltage, current and temperature to keep your LFP batteries running for years

[Versatile Charging Options] - Features 1 AC outlet (600W), 1 cigarette lighter port (120W max), 2 USB-C ports (100W max), 1 USB-A port (18W max), 2 DC5521 outputs and LED lights, this power station can simultaneously charge multiple devices, meeting your power needs in various scenarios

[Warm Tips] - Please do not use this power station to power devices with a rated power of more than 600 watts. Please use and recharge this power station at least one time every three months. Please turn off the AC output when not in use, otherwise it may run the battery out even without other loads

𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭: 𝐏𝐥𝐞𝐚𝐬𝐞 𝐩𝐫𝐨𝐯𝐢𝐝𝐞 𝐚𝐧 𝐚𝐜𝐭𝐮𝐚𝐥 𝐚𝐝𝐝𝐫𝐞𝐬𝐬 𝐟𝐨𝐫 𝐚𝐧𝐲 𝐨𝐟 𝐲𝐨𝐮𝐫 𝐨𝐫𝐝𝐞𝐫𝐬. 𝐔𝐧𝐟𝐨𝐫𝐭𝐮𝐧𝐚𝐭𝐞𝐥𝐲, 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐜𝐚𝐧𝐧𝐨𝐭 𝐛𝐞 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 𝐭𝐨 𝐣𝐮𝐬𝐭 𝐚 𝐏𝐨 𝐁𝐨𝐱 𝐚𝐝𝐝𝐫𝐞𝐬𝐬.

Heavy Duty 30 Amp Generator Cord: RVINGPRO 30 amp generator cord is made of 100% copper conductor with flame retardant coating and PVC jacket. Length: 25FT; Voltage: 125V/250V; Wire Gauge: 10/4 SJTW; Male Plug: NEMA 14-30P; Female Plug: NEMA L14-30R, Twist Locking Connector; Max Wattage: 7,500 Watts.

Pre-Drilled 30 Amp Generator Inlet Box: RVINGPRO NEMA L14-30P 30 amp inlet box for generator is designed with 4 pre-drilled holes distributing in 4 directions (left, right, bottom and rear), which allows direct connection to switches and electrical panels from multiple directions. NO Hassle Drilling Needed. You can easily open the hole with your fingers within only 30s.

ETL Listed: Both of RVINGPRO 30 amp generator cord and power inlet box have passed ETL certification, which are safe enough for outdoor use. Our generator to house hookup kit can work well in various terrible weather conditions, no matter hurricanes or snowstorm, ensuring a stable and continuous power supply for power outage emergency.

Use with Ease: There is a weatherproof seal cap on the inlet box which closes when not in use, protecting the inlet from rain and dust Besides, there is a green indicator light on the cap of the 30 amp generator inlet box, which is easy for you to tell when the power is on.

What You’ll Get: 1 x 30 Amp Generator Cord (25FT) + 1 x 30 Amp Generator Inlet Box (Pre-Drilled) + 1 x Cable Tie + 1 x Storage Bag. Besides, we offer 90 days no reason to return service. If you have any problems during using our product, welcome to reach out to us, there is professional customer service waiting to help solve your problems.

Electrical Rating: 50 Amp, max rate 6250 Watt (125V) / 12500 Watt (250V), STW pure copper power cord with 14-50P male plug and SS2-50R twist locking female for RV camper and generator to home

UL Listed: High quality standards. Pure copper wiring coated with a heavy duty flame retardant, heat resistant, UV resistant PVC, provides protection from rain, wind, snow, soil, and rocks, UL listed

Sefety Design: Male end of cord is designed with ergonomic grip handles to safely and easily plug and unplug connector, female receptacle locking feature to ensures safe and leak free power conduction

Multiple Use: 50 Amp locking cord provide you to connect the RV park power to your RV, campers, trailer or vehicle with 50 Amp inlet and also your generator to your house

Easy to Organize: Comes with a lovely storage bag and adjustable cord organizer that makes carrying and storing simple after use. If you find that cord organizer does not go all the way around the cord, please try to make a bigger cord circle

Durable 4-prong, 10-gauge cable with NEMA L14-30P and four 5-20R connectors, supporting up to 30A and 7500W at 125/250 volts.

Built with pure copper and thick gauge wiring to prevent overheating during extended use, ensuring safe operation under high amp loads.

Weather- and fire-resistant with 105℃ PVC and FT-1 fire rating, designed for reliable performance indoors or outdoors in any weather.

Twist-lock plugs provide a secure connection to your generator, preventing disconnects due to wind, rain, or snow—ideal for powering appliances and tools during emergencies.

Heavy Duty 50 Amp Generator Cord: RVINGPRO 50 amp generator cord is made of 100% copper conductor with flame retardant coating and PVC jacket. Length:15 FT; Voltage: 125V/250V; Wire Gauge: STW 6/3 + 8/1 AWG; Male Plug: NEMA 14-50P; Female Plug: NEMA SS2-50R, Twist Locking Connector; Max Wattage: 12,500 Watts.

Pre-Drilled 50 Amp Generator Inlet Box: RVINGPRO NEMA SS2-50P 50 amp inlet box for generator is designed with 4 pre-drilled holes distributing in 4 directions (left, right, bottom and rear), which allows direct connection to switches and electrical panels from multiple directions. NO Hassle Drilling Needed. You can easily open the hole with your fingers within only 30s.

ETL Listed: Both of RVINGPRO 50 amp generator cord and power inlet box have passed ETL certification, which are safe enough for outdoor use. Our generator to house hookup kit can work well in various terrible weather conditions, no matter hurricanes or snowstorm, ensuring a stable and continuous power supply for power outage emergency.

Use with Ease: The twist locking ring on the female plug of the 50-amp generator cord helps to keep dust and rain out of plug connection while the ergonomic finger grip on the male plug makes it easier for you to plug and unplug. Besides, there is a green indicator light on the cap of the generator inlet box, which is easy for you to tell when the power is on.

What You’ll Get: 1 x 50 Amp Generator Cord (15FT) + 1 x 50 Amp Generator Inlet Box (Pre-Drilled) + 1 x 50A Adapter Plug + 1 x Cable Tie + 1 x Storage Bag. Besides, we offer 90 days no reason to return service. If you have any problems during using our product, welcome to reach to us, there is professional customer service waiting to help solve your problems.

Warm Tips: You may receive the items without the adapter in due to different production batch, please contact us asap once you found there is no adapter in the box.

HEAVY DUTY GENERECTOR EXTENSION CORD Cords 4x10 SJTW gauge cable can run the max wattage of 7500 watts,power of 30 Amp 125/250 volts,a good generator adapter for emergency using.

SURGE PROTECTOR BREAKER Will not burn your device,and keep your appliance safe with overvoltage protector breaker.

HEAVY DUTY The big gauge and pure copper can avoid the cable getting overheating from long -time use.Larger gauge wiring is well built to give you peace of mind when running higher amp loads. This cord can be used to run any circuit in your breaker panel up to 31A.It is a useful and reliable emergency extension cord for your generator.

WEATHER AND FIRE RESISTANCE This generator cable can be used indoor/outdoor for all weather and all season.We choose the good quality of 105℃ PVC with the FT-1 level fire resistance.And pure copper(5.27mm²) which will not let the cable get heat during the operation time.

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.

Heavy Duty Combo Kit: Ready for the next power outage? Rophor Heavy Duty Combo Kit is the ultimate solution for homeowners. With a 50 amp generator cord and power inlet box, you can easily power essential appliances and circuits

User-Friendly Design: Forget complicated installations! 50 Amp generator inlet box features pre-drilled 1.2” holes for easy wiring, no tools needed. Just open the holes with your fingers in seconds. Plus, the clear indicator light on the flip cover shows when the power connection is active—no guesswork

ETL Listed for Safety: Your safety is our priority. Rohor 50 Amp generator cord and power inlet boxe are ETL Listed and built tough for outdoor use. 50 amp generator cord is made of pure copper wire and flame-retardant PVC to protect it from heat and UV damage. Whether it’s rain, snow, or rough conditions, you can count on reliable performance.

Key Specifications: 50 Amp Generator Cord: 15FT; Male: NEMA 14-50P, Female: SS2-50R; 50 Amps, 125/250 Volts; Max Wattage: 12,500 Watts; Twist-Locking Connector. 50 Amp Generator Inlet Box: NEMA SS2-50P; 125/250 Volts; 12,500 Watts; Green Safety Light; ETL Listed

Thoughtful Details: Built for convenience. Both ends have a grip design for easy insertion and removal, while the female end features a twist-lock connector for a secure, dust- and water-resistant connection. Choose from various cord lengths to safely position your generator away from the house

Perfect for Home Backup Power: Be prepared for anything! Use the 50 Amp generator cord and power inlet box to power your home during an outage or emergency. With easy installation, a durable sealed design and reliable power, this is the ideal solution for connecting your generator and keeping your home running smoothly

50 AMP Generator Cord Cord: You should get this "Just in case" you encounter a power outage no matter for a short duration or overnight, these situations cause you much trouble, and our 50 amp generator cord is perfect for an emergency backup for power outages, houses, RVs, tailgating and other outdoor camping equipment. Great extension allowing them to power appliances/devices during a power outage or in remote locations where electrical power is not available.

UL and ETL Certified: The extension cord is internationally UL and ETL certified, can be use in both the U.S. and Canada. Wires meet the safety and quality guaranteeing. Features NEMA14-50P & NEMA SS2-50R&CS6364 connections and is rated for 6250 Watts (125 Volts) and 12500 Watts (250 Volts).

High Performance: Constructed with 100% pure copper with full 3 x 6 gauge wires and 1 x 8 gauge wire, ensuring high conductivity. Any time you run a 50-Amp extension cord, you create a voltage drop, which might cause problems with things like air conditioners. Our high-quality, low-gauge extension cord will minimize this. The cord is coated with a heavy-duty flame retardant, heat resilient PVC sheath that serves as protection from the outdoor elements, wear and tear.

Weather Resistance: Oxygen-free copper wire and industrial design ensure clean, consistent operation. The cord is coated with a heavy-duty flame retardant, heat-resilient PVC sheath that serves as protection from the outdoor elements. Protect the wire from wind, rain, snow, soil, and rocks for long-lasting durability. Weather resistant thermoplastic jacket that performs under extreme weather conditions(max work temperature: 60℃/140°F, low temperature: -40°C/-40°F).

Flexible: The wires are stranded copper, it’s very flexible and the STW jacket is very durable. Despite being so heavy-duty, the cord is flexible enough that it can be coiled and stored with relative ease. Package includes: 50 FT Generator extension cord and drag tool.

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.