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 plug wiring diagram 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 simple 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.

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

Choosing the right connector starts with clear specs and durable construction you can count on. We list the core electrical package up front so installers match the device to the correct breaker and wire size.

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

• Durable bodies in high-impact, heat-resistant nylon or polycarbonate with solid brass blades for low resistance.
• A fluted ergonomic body with a radial grip ridge supports confident insertion and withdrawal, even with gloves on.
• UL/cUL listings (Spec # WJ-9433, File # E237606) and clearly marked ratings for easy compliance checks.

Specification	Value	Notes	Color Code
Current Rating	20A	Matches common 20 amp breakers	Black (some models blue code)
Voltage Rating	250V	Indoor use only	Black housing
Electrical Configuration	2-Pole/3-Wire	Grounding male connector	Black/Blue
Body Material	Nylon / Polycarbonate	High-impact, heat-resistant	Black body

Every product page is curated with pole layout, wire ranges, and grounding guidance so you can specify the correct item without guessing. Our team is ready to help match a product to your application.

NEMA L6-20P Twist Lock Plug Overview

A clear wiring plan helps technicians complete assemblies quickly and avoid rework.

Wiring and configuration details: male locking plug with grounding

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

Cable size range and fit: accommodates 0.375″-1.156″ OD cords

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

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

At Installation Parts Supply, we guide you through wiring steps and cord selection so your order arrives ready for an efficient install. For more wiring information, our team will help 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. Typical pricing begins around $12.80 each, and select items carry cULus listings (Cord Connector 91GG) with Spec # WJ-9433 and File # E237606.

Helpful product expertise and support

You can reach our product experts M–F, 8:00 a.m.–5:30 p.m. EST by phone or email to verify specs like amp rating, grounding needs, and cord OD ranges.

• Durable construction with high-impact nylon or polycarbonate bodies and 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 combine verified performance data with friendly support to speed up your work. Our 20 amp, 250V AC, 2-pole/3-wire grounding options deliver clear wiring information and dependable locking engagement for mission-critical installs.

Select high-impact nylon or polycarbonate bodies with solid brass blades backed by published cULus/UL listings. Cord fit ranges up to 0.375″–1.156″ and ergonomic grips help make assembly fast. Pricing starts near $12.80 and most orders ship in 1–2 days from our New York warehouse. We value the opportunity to support your next order through helpful guidance and quick shipping.