Leviton

Leviton L16-20P Locking Plug 20A 480V 3-Phase – Industrial Grade

High-performance tools and home improvement made for confident daily results

$28.69

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium tools and home improvement quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose TaskHolt Tools

Overview

Discover a trusted locking connection built for demanding power applications. The Leviton L16-20P locking plug delivers a secure, grounded interface for 480-volt three-phase equipment, rated at 20 amps and configured as NEMA L16-20P (3P, 4W). Its polarized design and robust construction are designed to support consistent performance in busy environments.

Durable, purpose-built body

Crafted from impact modified nylon in a black and white finish, this plug resists impact, sunlight, chemicals, and rough handling. The rugged exterior helps maintain dependable connections from factory floors to outdoor enclosures.

Key design features

  • One piece contacts reduce friction and overheating for longer life
  • Unique cord clamp accepts a wide range of cord sizes for flexible installations
  • Grounding with a 4 wire, 3 pole configuration supports safe power delivery
  • UL 498, CSA C22.2, NOM 057 approvals for industry-grade reliability
  • North American production and an industry exclusive limited lifetime warranty

Real-world use and benefits

In active environments, the locking mechanism helps maintain a secure connection even when cords are moved or bumped. The combination of a robust grip and compact profile minimizes accidental disengagement while equipment operates, offering peace of mind for uptime and safety.

Specifications and compatibility

  • Configuration: L16-20P, 3P, 4W, 480V, 20A
  • Grounded, 3 poles and 4 wires with locking interface
  • Model 2431 in Black and White, suitable for industrial installations

Why choose Leviton

Leviton locking devices are designed for durability, backed by a lifetime warranty, and manufactured to meet recognized standards. This plug combines practical, field-proven design with a commitment to reliability that many installers value on industrial power solutions.

FAQ

Q: What is the Leviton L16-20P locking plug used for?

A: A 20A, 480V 3-phase locking connector designed for industrial equipment, enabling secure, weather-resistant power connections in demanding environments.

Q: What are the standout benefits of this Leviton plug?

A: Rugged nylon construction resists impact and chemicals; one-piece contacts reduce friction; wide cord clamp fits multiple cord sizes; grounded and UL listed with a limited lifetime warranty.