NEMA L6-20P Twist Lock Plugs – Shop at 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 units are made to stand up to vibration and heavy use.

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

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

When you need help choosing the right component, our team is ready with friendly guidance so projects stay on schedule and installations meet code.

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

Picking the right connector begins with clear specs and robust construction you can trust. We show the core electrical package up front so installers can match the device to the proper breaker and wire size.

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

• 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 clearly marked ratings for easy compliance checks.

Spec	Value	Notes	Color
Current Rating	20A	Aligned with common 20 amp breakers	Black (some models blue code)
Voltage	250V	For indoor use only	Black housing
Configuration	2-Pole/3-Wire	Grounding male connector	Black / Blue
Body Material	Nylon / Polycarbonate	High-impact and 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 staff is ready to help you match each product to your application.

NEMA L6-20P Twist Lock Plugs

A clear wiring plan helps technicians finish assemblies fast and without 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

Every unit accepts a wide cord range to allow flexible installs. These plugs typically support conductors from 14–10 AWG. An ergonomic fluted body and radial grip ridge help make repeated wiring tasks quicker and more consistent.

Specification	Value	Notes
Connector 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	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.

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

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

We provide shipping across the U.S. with consistent 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.

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.
• Clear markings on each device for easy submittals and field ID, including color indicators to avoid mismatches.
• We can help you match mating connectors, recommend strain relief hardware for your cord, and handle volume or one-off orders.

Final Thoughts

We bring together verified performance data and friendly support to help speed your work. Our 20 amp, 250V AC, 2-pole/3-wire grounding options offer clear wiring information 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 ranges up to 0.375″–1.156″ and ergonomic grips help make assembly fast. Prices start near $12.80, and most orders leave our New York warehouse in 1–2 days. We value the opportunity to support your next order through helpful guidance and quick shipping.