NEMA L6-20P Twist Lock Plugs from Installation Parts Supply

A single rugged 20 amp connection can keep a whole shift running. We see teams lose hours to power faults, so we focus on l6-20 receptacle solutions that stop that waste. Our commercial-grade 20A, 250V locking plug options are built to hold under vibration and heavy use.

We make it easy to shop and compare product information. Each item shows pole and wire details, grounding requirements, and color indicators so you understand how it fits your devices.

Thanks to high-impact housings, solid brass blades, and UL/cUL listings, these units are ready for real-world job site demands. Prices start near $12.80, and most stock ships in 1–2 days from our New York warehouse.

If you need support picking the right component, our team offers friendly guidance so projects stay on schedule and installs meet code.

l6-20 plug wiring diagram

Commercial-Grade NEMA L6-20P Twist Lock Plugs: Features, Specs, and Benefits

Choosing the right connector starts with clear specifications and durable construction you can rely on. We display the key electrical package up front so installers can pair the device with the right breaker and wire size.

Core electrical ratings: 20 amp, 250V AC, 2-pole/3-wire grounding configuration for safe, stable 250v service.

  • High-impact, heat-resistant nylon or polycarbonate bodies combined with solid brass blades for low resistance.
  • Ergonomic fluted body and radial grip ridge for confident insertion and withdrawal, even with gloves.
  • UL/cUL listings (Spec # WJ-9433, File # E237606) and clear rating marks simplify compliance checks.
Spec Rating Details Color
Current Rating 20A Aligned with common 20 amp breakers Black (some models blue code)
Voltage 250V Indoor use only Black housing
Electrical Configuration 2-Pole/3-Wire Grounding male connector Black / Blue
Material Nylon / Polycarbonate High-impact, heat-resistant Black body

We build each product page with pole layout, wire ranges, and grounding guidance so you can spec the right item without guesswork. Our team is available to help match a product to your application.

NEMA L6-20P Twist Lock Plug Overview

A clear wiring plan helps technicians finish assemblies fast and without rework.

Wiring and configuration information – male locking plug with grounding

We provide the exact configuration so teams can prep conductors and tools ahead of assembly. The male connector is 2-pole/3-wire grounding and rated at 20 amp, 250v AC.

Cable range and fit: accepts 0.375″-1.156″ OD cords

Each unit accepts a broad cord range for flexible installations. Typical conductor compatibility covers 14–10 AWG. The ergonomic fluted body and radial grip ridge help make repetitive wiring quicker and more consistent.

Spec Rating Notes
Configuration Male locking plug 2-Pole / 3-Wire grounding
Cable Outside Diameter 0.375″–1.156″ Robust strain relief range
Conductor Range 14–10 AWG Suitable for 20 amp terminations
Listings & Use cULus on select items Indoor use on selected models

At Installation Parts Supply, we help guide wiring steps and cord selection so your order shows up ready for an efficient installation. If you need more wiring information, our team will help you match the right cord OD, wire gauge, and clamp hardware to your application.

Reasons to Buy NEMA L6-20P Locking Plugs from Installation Parts Supply

Fast fulfillment and clear support save you time on every job when power is critical. We keep stock flowing from our Sanborn, NY warehouse so orders typically ship in 1–2 days. This quick turnaround helps you meet deadlines and cut costly downtime.

We ship throughout the U.S. with reliable transit times. Pricing commonly starts near $12.80 each, and specific items include cULus listings (Cord Connector 91GG) with Spec # WJ-9433 and File # E237606.

Friendly product expertise and customer support

Our product experts are available M–F, 8:00 a.m.–5:30 p.m. EST by phone or email to confirm specifications like amp rating, grounding needs, and cord OD ranges.

  • Durable construction: high-impact nylon or polycarbonate bodies with solid brass blades for dependable 250v service.
  • Each device features clear markings for easy submittals and field identification, along with color indicators that help avoid mismatches.
  • We assist with matching mating connectors, recommend strain relief hardware for your cord, and support both volume and single-unit orders.

Wrap-Up

We pair verified performance data with friendly support to speed your work. These 20 amp, 250V AC, 2-pole/3-wire grounding options provide clear wiring details and dependable locking engagement for mission-critical installs.

Choose between high-impact nylon or polycarbonate bodies with solid brass blades and published cULus/UL listings. Cord fit from 0.375″–1.156″ combined with ergonomic grips helps make assembly quick. Pricing begins near $12.80 and most orders ship within 1–2 days from our New York warehouse. We appreciate the opportunity to support your next order with helpful guidance and quick shipping.