---
product_id: 68638588
title: "25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek"
brand: "yodotek"
price: "¥31154"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/68638588-25-feet-heavy-duty-generator-adapter-extension-cord-generator-locking
store_origin: JP
region: Japan
---

# 7500 Watts Max Power 30 Amp Locking Plug Fire & Weather Resistant 25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek

**Brand:** yodotek
**Price:** ¥31154
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up with confidence—your generator’s best friend for unstoppable energy flow!

## Quick Answers

- **What is this?** 25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek by yodotek
- **How much does it cost?** ¥31154 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/68638588-25-feet-heavy-duty-generator-adapter-extension-cord-generator-locking)

## Best For

- yodotek enthusiasts

## Why This Product

- Trusted yodotek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Twist-Lock Security:** Locking plugs ensure a rock-solid connection that won’t slip, even in wind, rain, or snow.
- • **All-Weather Durability:** Built with 105℃ rated PVC and FT-1 fire resistance for safe indoor/outdoor use year-round.
- • **Flat & Flexible Design:** Sleek 25-ft flat cable slips effortlessly under doors and windows—no more bulky cord hassles.
- • **Heavy-Duty 10 Gauge Copper:** Premium pure copper wiring prevents overheating during long, high-load use up to 7500W.
- • **Reliable Support & Warranty:** Backed by a 1-year quality guarantee plus 3 years of responsive customer service—peace of mind included.

## Overview

This 25-foot heavy-duty generator extension cord features a flat 10-gauge pure copper cable rated for 30 Amp, 125/250V, and up to 7500 watts. Its twist-lock NEMA L14-30P to four 5-20R connectors provide secure, weatherproof, and fire-resistant performance for indoor and outdoor use. Designed for easy routing under doors and windows, it’s the ultimate reliable power solution for professionals and homeowners needing safe, high-capacity generator connections.

## Description

NEMA L14-30P/FOUR 5-20R GENERATOR EXTENSION CORD Specifications:Cord Length: 25 ftColor: black cord set and yellow cableCable:SJTW 105℃ with UL listed Material: Copper, PVC Wire: 10 Gauge(5.26mm2) 105℃ Maximum generator running watts: 7500 WattsMaximum generator input: 30Amp 125/250 VoltsFLAT DESIGN HEAVY DUTY BIG GAUGE/b> This new design of the flat cable,can come across under the door easy.10 gauge 4 prong generator cable can run the max wattage of 7500 watts,power of 30 Amp 125/250 volts TWIST LOCKING DESIGN The plugs was design with the lock structure.When the plug is inserted and twisted to lock place,it will not slipping from the generator socket due to wind, hurricane,big rain, snow, This is the best extension cord for your generator to connect with home appliance and electric power tools. WEATHER/WATER/FIRE RESISTANCE  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 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. 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.

## Features

- NEW DESIGN FLAT CABLE:This is a new design of the flat cable,easy to go through the door or window gap.4 prong cable,NEMA L4-30P/Four 5-20R
- 4 prong 10 gauge flat cable run the max wattage of 7500 watts,power of 30 Amp 125/250 volts
- 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 30A.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(5.26mm²) 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Xuanhua |
| Part Number | RFG-BN1 |
| Item Weight | 9.97 pounds |
| Package Dimensions | 16.14 x 13.89 x 2.95 inches |
| Item model number | RFG-BN1 |
| Is Discontinued By Manufacturer | No |
| Color | 25 FT flat cable |
| Voltage | 250 Volts |
| Wattage | 7500 watts |
| Item Package Quantity | 1 |
| Plug Format | Type L |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Color:** 25 FT flat cable
- **Brand:** Yodotek
- **Connector Gender:** Male-to-Female
- **Voltage:** 250 Volts
- **Plug Format:** Type L

## Images

![25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek - Image 1](https://m.media-amazon.com/images/I/71xCdFiUiNL.jpg)
![25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek - Image 2](https://m.media-amazon.com/images/I/61Ts9dw6xLL.jpg)
![25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek - Image 3](https://m.media-amazon.com/images/I/51WFNlHdnQL.jpg)
![25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek - Image 4](https://m.media-amazon.com/images/I/71MIdwC1wvL.jpg)
![25 Feet Heavy Duty Generator Adapter Extension Cord,Generator Locking Cord,NEMA L14-30P to Four 5-20R, 4 Prong 10 Gauge Flat Generator Cable,125/250V 30Amp 7500 Watts Yodotek - Image 5](https://m.media-amazon.com/images/I/71OvmG0kXjL.jpg)

## Available Options

This product comes in different **Color** options.

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-27*