---
product_id: 197586464
title: "NEMA 10-30P to L14-30R 120V/240V 30 Amp to 3 Prong Male Plug 4 Prong Twist Lock Female Outlet Recepacle Welder Welding RV Dryer Power Cord Adapter"
brand: "onetak"
price: "$56.50"
currency: USD
in_stock: true
category: "Onetak"
url: https://www.desertcart.us/products/197586464-nema-10-30p-to-l14-30r-120v-240v-30-amp
store_origin: US
region: United States of America
---

# 30 Amp high power capacity Dual voltage 120V/240V compatibility Durable high-quality copper wiring NEMA 10-30P to L14-30R 120V/240V 30 Amp to 3 Prong Male Plug 4 Prong Twist Lock Female Outlet Recepacle Welder Welding RV Dryer Power Cord Adapter

**Brand:** onetak
**Price:** $56.50
**Availability:** ✅ In Stock

## Summary

> 🔌 Stay Connected, Stay Ahead: The Power Adapter That Means Business

## Quick Answers

- **What is this?** NEMA 10-30P to L14-30R 120V/240V 30 Amp to 3 Prong Male Plug 4 Prong Twist Lock Female Outlet Recepacle Welder Welding RV Dryer Power Cord Adapter by onetak
- **How much does it cost?** $56.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/197586464-nema-10-30p-to-l14-30r-120v-240v-30-amp)

## Best For

- onetak enthusiasts

## Why This Product

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

## Key Features

- • **Premium Copper Core:** Built with high-quality copper wire for superior conductivity and durability
- • **Twist-Lock Security:** Ensures a stable, no-slip connection every time
- • **Plug & Play Convenience:** Easily adapts 3-prong male to 4-prong female outlets for versatile use
- • **Power Up with Confidence:** Handles 30 Amps for heavy-duty welding and RV needs
- • **Universal Voltage Flexibility:** Seamlessly supports both 120V and 240V devices

## Overview

The ONETAK NEMA 10-30P to L14-30R adapter is a robust 30 Amp, 120V/240V power cord adapter designed for welding, RV, and dryer applications. Featuring high-quality copper wiring and a secure twist-lock female outlet, it ensures reliable, heavy-duty electrical connections with universal compatibility and durability.

## Description

desertcart.com: ONETAK NEMA 10-30P to L14-30R 120V/240V 30 Amp to 3 Prong Male Plug 4 Prong Twist Lock Female Outlet Recepacle Welder Welding RV Dryer Power Cord Adapter : Patio, Lawn & Garden

## Features

- 120V/240V 30 Amp
- 10-30P Neutral connects L14-30R Neutral
- 10-30P Hots connect L14-30R Hots
- L14-30R Ground is empty(Open)
- Made of High Quality Copper Wire

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07YNJZ7LH |
| Amperage | 30 Amps |
| Best Sellers Rank | #190,372 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #445 in Outdoor Generator Cords, Sets & Plugs |
| Brand | ONETAK |
| Brand Name | ONETAK |
| Color | 10-30P/L14-30R |
| Connector Type | Plug-in |
| Customer Reviews | 4.7 out of 5 stars 49 Reviews |
| Manufacturer | JUMO TRADING LLC |
| Material | Copper |
| Material Type | Copper |
| Model | ONETAK L14-30R Adapter |
| Number Of Poles | 3 |
| Number Of Wires | 4 |
| Number of Poles | 3 |
| Plug Type | 10-30P |
| Specification Met | NEMA, UL |
| UPC | 714449866065 |
| Unit Count | 1.0 Count |
| Voltage | 120 Volts |

## Images

![NEMA 10-30P to L14-30R 120V/240V 30 Amp to 3 Prong Male Plug 4 Prong Twist Lock Female Outlet Recepacle Welder Welding RV Dryer Power Cord Adapter - Image 1](https://m.media-amazon.com/images/I/81EGhP1YodL.jpg)

## Questions & Answers

**Q: How many watts does this support?**
A: U*I=240*30=7.2KW

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**Shop now:** [https://www.desertcart.us/products/197586464-nema-10-30p-to-l14-30r-120v-240v-30-amp](https://www.desertcart.us/products/197586464-nema-10-30p-to-l14-30r-120v-240v-30-amp)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-26*