---
product_id: 725471339
title: "NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black"
brand: "enerlites"
price: "€ 25.41"
currency: EUR
in_stock: true
category: "Enerlites"
url: https://www.desertcart.fr/products/725471339-nema-l14-20p-locking-plug-connector-for-generator-twist-lock
store_origin: FR
region: France
---

# 20 Amp heavy-duty power Twist-lock secure connection UL listed industrial grade durability NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black

**Brand:** enerlites
**Price:** € 25.41
**Availability:** ✅ In Stock

## Summary

> 🔌 Lock in power, unlock productivity!

## Quick Answers

- **What is this?** NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black by enerlites
- **How much does it cost?** € 25.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/725471339-nema-l14-20p-locking-plug-connector-for-generator-twist-lock)

## Best For

- enerlites enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Constructed from impact-resistant polycarbonate for industrial-grade toughness.
- • **Lock It Down Securely:** Twist-lock design ensures a firm, vibration-resistant connection every time.
- • **Plug & Play Simplicity:** Easy DIY installation means no downtime—get powered up fast and hassle-free.
- • **Power Up with Confidence:** Handles 20 Amps at 125/250 Volts for reliable, high-capacity energy delivery.
- • **Certified Safety Assurance:** UL listed with clear NEMA ratings, backed by a 1-year warranty for peace of mind.

## Overview

The ENERLITES NEMA L14-20P Locking Plug Connector is a UL-listed, industrial-grade, 20 Amp, 125/250 Volt twist-lock plug designed for secure and durable generator connections. Made from high-impact polycarbonate with solid brass blades, it features a 3-pole, 4-wire grounding configuration for safe, reliable power delivery. Ideal for professionals seeking robust, easy-to-install generator accessories with a 1-year warranty.

## Description

ENERLITES 66421-BK Industrial Grade 20A 125/250V Locking Plugs: NEMA L14-20P, 60Hz, 3P, 4W, grounding. This locking plug is constructed with high impact polycarbonate thermoplastic material fitted with solid brass blades. Use in combination with Locking Cord Connector 66422-BK, NEMA L14-20C. UL listed, 1-year warranty.

## Features

- Industrial grade locking plug, NEMA L14-20P
- 20 Amp, 125/250 Volts, 60Hz, 3-Pole, 4-Wire, Grounding
- NEMA plug is made of polycarbonate thermoplastic material to provide durability, and resilience to withstand hard impacts and heavy force
- Easy to use and do-it-yourself installation
- One-year warranty; UL listed, NEMA configuration and device rating clearly marked

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01E4BFEEM |
| Amperage | 20 Amps |
| Best Sellers Rank | 641,212 in DIY & Tools ( See Top 100 in DIY & Tools ) 63,369 in Electrical |
| Brand | ENERLITES |
| Colour | Black |
| Connector Type | Twist |
| Country Of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (7) |
| Included Components | 66421-BK |
| Item Dimensions D x W x H | 5.5D x 5.5W x 9H centimetres |
| Item Type Name | ENERLITES Industrial Grade 20A 125/250V Locking Plug, NEMA L14-20P, 3P, 4W, 66421-BK, Black |
| Manufacturer | ENERLITES |
| Manufacturer Part Number | 66421-BK |
| Material | Polycarbonate (PC) |
| Model Number | 66421-BK |
| Number Of Wires | 4 |
| Number of Items | 1 |
| Number of Poles | 3 |
| Plug Type | Twist |
| Product Grade | High |
| Specification Met | NEMA |
| UPC | 883951414498 |
| Voltage | 250 Volts |

## Product Details

- **Brand:** ENERLITES
- **Colour:** Black
- **Material:** Polycarbonate (PC)
- **Product dimensions:** 5.5D x 5.5W x 9H centimetres
- **Voltage:** 250 Volts

## Images

![NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black - Image 1](https://m.media-amazon.com/images/I/71EWu73oGjL.jpg)
![NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black - Image 2](https://m.media-amazon.com/images/I/414Lk+f8rjL.jpg)
![NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black - Image 3](https://m.media-amazon.com/images/I/41VSSdHxxhL.jpg)
![NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black - Image 4](https://m.media-amazon.com/images/I/41WsJ-w7hLL.jpg)
![NEMA L14-20P Locking Plug Connector for Generator, Twist Lock Male Plug, 20 Amp, 125/250 Volt, 3 Pole, 4 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66421-BK, Black - Image 5](https://m.media-amazon.com/images/I/51OucM3kE2L.jpg)

## Available Options

This product comes in different **Number Of Items, Style** options.

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-10-08*