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  • VIDEO
  • MECMO NEMA L14-30P to 14-50R RV Generator Adapter, 30 Amp to 50 Amp Twist Locking Generator 4 Prong Male Plug to 4 Prong RV Female, Heavy Duty for RV Trailer Camper Generator EV Tesla Level 2 Charging
  • 30 Amp to 50 Amp L14-30P to 14-50R RV Generator AdapterMECMO

MECMO NEMA L14-30P to 14-50R RV Generator Adapter, 30 Amp to 50 Amp Twist Locking Generator 4 Prong Male Plug to 4 Prong RV Female, Heavy Duty for RV Trailer Camper Generator EV Tesla Level 2 Charging

4.6 out of 5 stars (559)
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About this item

  • L14-30P to 14-50R Adapter: - 30AMP 4-prong locking generator plug (NEMA L14-30P Male) to a 50 Amp RV 4-prong outlet (NEMA 14-50R Female) - Support max 30 Amp overload, 125V/3750W 250V/7500W
  • Generator L14-30P Male Plug: - NEMA L14-30P 30A 125/250V 4 Prong Locking Male plug converts a 30A locking receptacle on a generator to a connection for a 50A 14-50 RV / EV power cord
  • 14-50R RV/EV Female Connector: - 50 Amp RV and EV Tesla style 4-prong NEMA 14-50 receptacle with grip handle, easy to push and pull, 125/250 V
  • Heavy Duty: - Heavy-duty 4 prong 30AMP to 50AMP RV generator adapter for Both Electric Vehicle and Recreational Vehicle, Molded plug, copper wiring coated, heavy duty flame retardant, with Etl listed
  • Generator to 50 Amp Adapter: - Generator twist lock 4-prong 30A to Tesla 4 prong RV EV power adapter allows you to charge your RV camper or EV Tesla at a generator
› See more product details

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This item: MECMO NEMA L14-30P to 14-50R RV Generator Adapter, 30 Amp to 50 Amp Twist Locking Generator 4 Prong Male Plug to 4 Prong RV Female, Heavy Duty for RV Trailer Camper Generator EV Tesla Level 2 Charging
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NEMA 14-50P to L14-30R Generator Transfer Switch Adapter Cord UL Listed, 240V/120V Generator to House 50 Amp Male to 30 Amp F
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AMOMD RV Plug Adapters 30Amp Male Plug to 50Amp Female Socket 4 Prong Generator Power Cord with Twist Lock 12 inch STW 10AWG/
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  1. Sustainability features

    This product has sustainability features recognized by trusted certifications.
    Worker well-being
    Manufactured on farms or in facilities that protect the rights and/or health of workers.
    As certified by
    Global Recycled Standard

    Global Recycled Standard

    Global Recycled Standard (GRS) certified products contain recycled content that has been independently verified at each stage of the supply chain, from the source to the final product and meet social, environmental, and chemical requirements. The purchase of Global Recycled Standard (GRS) certified products supports the use of recycled content in the supply chain. A product must contain at least 50% certified GRS material to qualify for inclusion in Climate Pledge Friendly.

    Certification Body

    Intertek

    Certification Number

    TE-00326473

    Climate Pledge Friendly

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Product information

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MECMO NEMA L14-30P to 14-50R RV Generator Adapter, 30 Amp to 50 Amp Twist Locking Generator 4 Prong Male Plug to 4 Prong RV Female, Heavy Duty for RV Trailer Camper Generator EV Tesla Level 2 Charging

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Product Description

4-Prong Generator 30A Locking L14-30P Male to RV/EV 50 AMP 14-50R Female Adapter

NEMA L14-30P to 14-50R RV Generator Adapter for rv ev charging

MOST generators are 30 amp, this is a MUST have power adapter if you have a 50 amp RV and a generator that is 30 amp (240 volt). Molded with electroplate copper terminal in order to avoid surface oxidation effectively.

L14-30P Twist Lock Male to 14-50R Female Receptacle for RV & EV (Tesla)

L14-30P Twist Lock Male to 14-50R Female Receptacle for RV & EV (Tesla)

Generator 4-prong 30 AMP male plug to RV & EV (Tesla) 4-prong 50 AMP (NEMA 14-50 female) Receptacle. RV / EV Adapter L14-30P to 14-50R support max 30 Amp overload, 125V/3750W 250V/7500W.

4-Prong Generator 30A to RV/EV, 5th wheel, Trailer, Camper Charging

RV / EV Adapter L14-30P to 14-50R

50 amp plug straight to your 30amp twist locking generator for a easy solution. Support temporary power from 30A generator to the 50A connector.

Simple & quick to connect 50 amp power cable to 30 amp L14-30 generator

L14-30P Twist Lock Male to 14-50R Female Receptacle for RV & EV (Tesla)

Compact version adapter is perfect for using generator to power your 50 amp RV, Electrical Vehicles, Travel Trailers, 5th Wheels, Gooseneck Trailers. 10AWG conductor inner wire, support max 30 AMP loading.

More Power Adapter to Discover in MECMO

30A Generator to 30A RV

30A Generator to 4x110v

30A Generator Splitter

Buying Options

Generator to House Plug

50A to 4x110V+20A Circuit

30A to 3x110V with LED

30A Generator to 110V

Customer Reviews
4.6 out of 5 stars 334
4.4 out of 5 stars 55
4.6 out of 5 stars 60
4.8 out of 5 stars 134
4.7 out of 5 stars 416
4.7 out of 5 stars 422
4.8 out of 5 stars 231
Plug & Receptacle
L14-30P to TT-30R L14-30P to 4x5-15/20R+L14-30R L14-30P to 2X L14-30R 14-50P to L14-30R 14-50P to 4x 5-15/20R TT-30P to 3x 5-15/20R L5-30P to 5-15/20R
Applications
Power 30A RV on Generator Generator to 4X 110V & L14-30R 30A Twist Lock 4Prong Splitter Generator to House Power 240V 50A Generator to 4x110V 30A to 110V Householder Outlet Marine 30A to 110V
Male Plug
L14-30P, 4 Prong Twist Lock L14-30P, 4 Prong Twist Lock L14-30P, 4 Prong Twist Lock 14-50P, 4 Prong RV/Tesla 14-50P, 4 Prong RV/Tesla TT-30P. 3 Prong RV L5-30P, 3 Prong Twist Lock
Maximum Power
30 Amp, 125/250V 30 Amp, 125V 30 Amp, 125/250V 30 Amp, 125/250V 20 Amp, 125V 30 Amp, 125V 20 Amp, 125V
For 30A 4Prong Twist Generator
✔ ✔ ✔ ✘ ✘ ✘ ✘

Product details

  • Parcel Dimensions ‏ : ‎ 12.9 x 7.19 x 6.6 cm; 290 g
  • Date First Available ‏ : ‎ Aug. 24 2023
  • Manufacturer ‏ : ‎ MECMO
  • ASIN ‏ : ‎ B0CDW1WKNR
  • Item model number ‏ : ‎ ‎L14-30P to 14-50R Compact
  • 鶹 Rank: #1,161 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
  • Customer Reviews:
    4.6 out of 5 stars (559)

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Customer reviews

4.6 out of 5 stars
559 global ratings

Customers say

Customers find this electrical plug to be a quality product with solid build construction. The plug works well and maintains functionality even during severe weather conditions like hurricanes. Users appreciate the perfect fit and compatibility, noting it serves as a great adapter for generators and connects effectively to house and RV plugs. The cords are described as solid, contributing to the overall build quality of the product.
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32 customers mention quality, 32 positive, 0 negative
Customers find this electrical plug to be a high quality product with solid build construction. They describe it as a very good product and a good solid adapter.
great productRead more
Good qualityRead more
Great adapter! Used to plug into a 30a receptacle for a 14-50 plug. Very sturdy.Read more
I recommend this product for a nice fit and high quality.Read more
29 customers mention functionality, 26 positive, 3 negative
The electrical plug works perfectly and delivers steady power without issues. It connects generator's 30A twist-lock outlets effectively and continues functioning even during severe weather conditions like hurricanes.
Product fits well and performs even betterRead more
19 customers mention fit, 15 positive, 4 negative
Customers find the electrical plug provides a perfect fit for their needs.
I recommend this product for a nice fit and high quality.Read more
Product fits well and performs even betterRead more
Fits perfect...Read more
Fits and works...Read more
16 customers mention compatibility, 14 positive, 2 negative
Customers find this electrical plug adapter highly compatible for their needs. They describe it as a great adapter for generators and perfect for connecting to homes. The 30amp male to 50 amp female configuration works well, and customers consider it a must-have for RV or backup power setups, effectively connecting power to generators.
I used 6 gauge and 10 gauge made a good connection no heat troubles.Read more
Perfect for a 4 prong generator connection to RV house 3 prong.Read more
Perfect to connect to my home....Read more
13 customers mention build quality, 13 positive, 0 negative
Customers appreciate the build quality of this electrical plug. They describe it as having a solid build with solid cords and consider it a good solid adapter.
...Used to plug into a 30a receptacle for a 14-50 plug. Very sturdy.Read more
Fits perfect
5 out of 5 stars
Fits perfect
Perfect! Just as described. And even Bought another one.
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Top reviews from Canada

  • Carl M.
    5.0 out of 5 stars Très bon choix
    Reviewed in Canada on December 28, 2025
    Verified Purchase
    Parfait très solide
    Helpful
     Report
  • Bogdan
    5.0 out of 5 stars High quality product.
    Reviewed in Canada on January 11, 2025
    Verified Purchase
    I recommend this product for a nice fit and high quality.
    Helpful
     Report
  • PaulM
    5.0 out of 5 stars Perfect Gen to a house RV plug.
    Reviewed in Canada on January 1, 2026
    Verified Purchase
    Perfect for a 4 prong generator connection to RV house 3 prong.
    Helpful
     Report
  • André michaud
    5.0 out of 5 stars Très bon produit
    Reviewed in Canada on October 19, 2025
    Verified Purchase
    Avec le twist lock sur et sécuritaire bon produit
    Helpful
     Report
  • kim
    5.0 out of 5 stars Useful
    Reviewed in Canada on March 15, 2026
    Verified Purchase
    Good quality
    Helpful
     Report
  • ryan
    5.0 out of 5 stars Fits perfect
    Reviewed in Canada on March 17, 2025
    Verified Purchase
    Perfect! Just as described. And even Bought another one.
    Customer image
    ryan
    5.0 out of 5 stars
    Fits perfect

    Reviewed in Canada on March 17, 2025
    Perfect! Just as described. And even Bought another one.
    Images in this review
    Customer image Customer image
    Helpful
     Report
  • Froi
    5.0 out of 5 stars 14-50R Adapter
    Reviewed in Canada on September 30, 2025
    Verified Purchase
    Great adapter! Used to plug into a 30a receptacle for a 14-50 plug. Very sturdy.
    Helpful
     Report
  • Nubs
    5.0 out of 5 stars Perfect to connect to my home.
    Reviewed in Canada on May 30, 2025
    Verified Purchase
    What can I say, it’s a plug adapter. Does what it should and feel like a quality product.
    Helpful
     Report

Top reviews from other countries

  • Darrell A. Benham
    5.0 out of 5 stars Good adapter
    Reviewed in the United States on August 30, 2025
    Verified Purchase
    Excellent adapter! Solid build and heavy-duty design—feels very reliable. Works perfectly to connect my generator’s 30A twist-lock outlet to my RV’s 50A plug. The fit is snug, no looseness or overheating, and it delivers steady power without issues. Also great for EV charging in a pinch. Durable, well-made, and a must-have for RV or backup power setups. Highly recommend!
    Report
  • BEAR
    5.0 out of 5 stars Worked perfect
    Reviewed in the United States on February 2, 2026
    Verified Purchase
    Just what I needed. Good quality
    Report
  • ET
    5.0 out of 5 stars Good quality
    Reviewed in the United States on December 31, 2025
    Verified Purchase
    Good functionality and good quality
    Report
  • OGSO
    5.0 out of 5 stars MECMO NEMA L14-30P to 14-50R RV Generator Adapter
    Reviewed in the United States on February 13, 2026
    Verified Purchase
    MECMO NEMA L14-30P to 14-50R RV Generator Adapter
    Works .
    seems like it will last for a while.
    Nice heavy construction,
    Fits snugly onto generator port.
    Report
  • Randall
    4.0 out of 5 stars Decent quality adapter
    Reviewed in the United States on January 15, 2026
    Verified Purchase
    Decent plug, good construction, just not happy with orientation of the plug im using it with, have to find a way to adjust the receptacle for better alignment. Not the adapter’s fault
    Report
See more reviews

Product Summary: MECMO NEMA L14-30P to 14-50R RV Generator Adapter, 30 Amp to 50 Amp Twist Locking Generator 4 Prong Male Plug to 4 Prong RV Female, Heavy Duty for RV Trailer Camper Generator EV Tesla Level 2 Charging

From MECMO

4.6 out of 5 stars, 559 ratings

Customer reviews

50+ bought in past month

Price

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About this Item

  • L14-30P to 14-50R Adapter: - 30AMP 4-prong locking generator plug (NEMA L14-30P Male) to a 50 Amp RV 4-prong outlet (NEMA 14-50R Female) - Support max 30 Amp overload, 125V/3750W 250V/7500W
  • Generator L14-30P Male Plug: - NEMA L14-30P 30A 125/250V 4 Prong Locking Male plug converts a 30A locking receptacle on a generator to a connection for a 50A 14-50 RV / EV power cord
  • 14-50R RV/EV Female Connector: - 50 Amp RV and EV Tesla style 4-prong NEMA 14-50 receptacle with grip handle, easy to push and pull, 125/250 V
  • Heavy Duty: - Heavy-duty 4 prong 30AMP to 50AMP RV generator adapter for Both Electric Vehicle and Recreational Vehicle, Molded plug, copper wiring coated, heavy duty flame retardant, with Etl listed
  • Generator to 50 Amp Adapter: - Generator twist lock 4-prong 30A to Tesla 4 prong RV EV power adapter allows you to charge your RV camper or EV Tesla at a generator

Product description

4-Prong Generator 30A Locking L14-30P Male to RV/EV 50 AMP 14-50R Female
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