
Introducing the Speedwox 30ft 50amp-Generator Extension Cord with Inlet Box - a high-performance and reliable solution for powering your RV or camping appliances. This extension cord is specifically designed to provide a safe and efficient connection between your generator and your RV, ensuring uninterrupted power supply during your outdoor adventures.
Measuring in at an impressive length of 30 feet, this extension cord offers ample reach to place your generator at a safe distance from your RV. The cord is equipped with two 50-amp, NEMA TT-30R plugs at the generator end, allowing you to connect two RVs or campers simultaneously. At the RV end, you'll find a 50-amp, NEMA 50P inlet box, which securely and safely connects to your RV's power inlet.
The Speedwox extension cord is constructed using heavy-duty, 10-gauge copper wires, ensuring minimal voltage drop and efficient power transfer. The wires are also covered with a durable, UV-resistant outer jacket that protects against damage from the sun, rain, and other environmental factors.
The inlet box features a ground-fault circuit interrupter (GFCI) for added safety, automatically shutting off power in the event of a ground fault. It also comes with a convenient cover to protect the inlet from the elements and prevent debris from entering.
This extension cord is compatible with most generators and RVs that use 50-amp power connections. It is also UL listed, ensuring adherence to the highest safety and performance standards. With its robust design, reliable performance, and convenient features, the Speedwox 30ft 50amp-Generator Extension Cord with Inlet Box is an essential accessory for any RV or camper.
Pros and Cons of Buying a 30ft 50amp Generator Extension Cord with Inlet Box for RVs (Speedwox Model)
The Speedwox 30ft 50amp generator extension cord with inlet box is a popular choice among RV owners for providing a reliable power source during camping trips. Let's evaluate the key advantages and disadvantages of this product.
Pros:1. Long Extension Length: The 30ft (9.14m) extension cord provides ample length for placing the generator a safe distance from the RV, ensuring optimal airflow and reducing noise levels.
2. Heavy-Duty Construction: The cord is made of heavy-duty 10-gauge copper wires, which can handle high currents and minimize voltage drop, ensuring efficient power transfer.
3. Inlet Box: The inlet box comes with a NEMA 50R plug that is compatible with most RVs and offers a weather-resistant design, ensuring durability and protection from the elements.
4. Grounding System: The extension cord includes a separate grounding wire, ensuring proper grounding and reducing the risk of electrical hazards.
5. UL Certified: The product is UL listed, ensuring compliance with safety standards and providing peace of mind to users.
Cons:1. Price: The 30ft 50amp generator extension cord with inlet box is more expensive compared to standard 30ft extension cords without inlet boxes.
2. Weight: The heavy-duty construction and longer length of the extension cord result in a higher weight, which can be challenging to transport and store.
3. Limited Flexibility: Due to the heavy-duty construction, the extension cord may not offer the same level of flexibility as lighter, more standard extension cords.
Conclusion:The Speedwox 30ft 50amp generator extension cord with inlet box is a high-quality, heavy-duty solution for RV owners in need of a long, reliable power extension cord. While it comes with a higher price tag and is more challenging to transport and store due to its weight and limited flexibility, its benefits, such as long extension length, heavy-duty construction, inlet box with NEMA 50R plug, proper grounding system, and UL certification, far outweigh the cons. Therefore, if you're an RV owner looking for a dependable and long-lasting power extension solution, this product is worth considering.
Recommendation:If you're in the market for a 50amp generator extension cord for your RV, the Speedwox 30ft 50amp generator extension cord with inlet box is a solid investment. It offers numerous advantages, including long extension length, heavy-duty construction, inlet box with NEMA 50R plug, proper grounding system, and UL certification, making it a reliable and efficient choice for powering your RV during camping trips.
Details:
No extra charges. Heavy duty thick wires: constructed with 6awg oxygen-free pure copper wires that provide excellent conductivity and stable voltage while minimizing heat buildup for safe efficient power transfer. Not completely satisfied. If products arrive as open box spotlit refurbishes to ensure they function according the original manufactures specifications.
Enhanced safety features: includes a rust-resistant coating on the inlet box, rainproof foam flap to protect against dust and moisture, plus built-in warning light for clear visibility in dark or foggy environments. Secure twist lock connectors: features Norma 14-50p male plug and ss2-50r female receptacle with twist-lock design to ensure stable connections that resist accidental disconnection due weather or movement. Constructed with heavy-duty Ste 6/3 8/1 wag wiring made from 100% oxygen-free pure copper, the cord delivers low resistance and stable voltage while minimizing heat buildup. Its thickened PVC outer jacket offers flame retardant, anti-aging, and wear-resistant properties to ensure long-lasting durability in demanding environments.
Sealed product is instantly made available to you for immediate purchase. Satisfaction guaranteed real support from the reverb experts comes standard with every purchase. The twist-lock connectors Norma 14-50p male plug and Norma ss2-50r female receptacle provide a secure connection that resists accidental disconnection due to weather or movement. This extension cord kit is ul and etl certified for safety reliability, making it an essential accessory anyone needing dependable power connections in outdoor or emergency scenarios.
Durable new pc inlet box: made from robust new material with a widened interior space and pre-drilled holes on all sides for easy installation without tools, preventing wire overcrowding enhancing durability. A built-in warning light enhances visibility in low-light or foggy environments. The condition of the item you are purchasing will clearly be marked on listing page.
specifications slashgenerators:
- brand: Speedwow
- mpn: 30ft
- upc: 680358243900
- type: N A
returns slashgenerators:
- method: money back
- policy: returns accepted
- time: 30 days
- paid by: seller
payments slashgenerators:
- other
- credit card: discover
- wallet: apple-pay
shipping slashgenerators:
- service: fedex ground / fedex home delivery, fedex express saver, fedex 2day, fedex standard overnight
- carrier: fedex
- transit: 3-7 days
- type: fixed
- class: standard, expedited, one-day
offer slashgenerators:
- sold #: 21
- options: ship-to-home
- availability: in stock
- started: march 9, 2026
- in stock #: 2
- prices: $41.00–$61.00
- item condition: Open box
general slashgenerators:
- category: Home & Garden > Yard, Living > Outdoor Power Equipment > Generators
seller slashgenerators:
- # reviews: 685561
- city: rogers, arkansas
- rating: 95.9%
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