NEMA L6-20P Twist Lock Plugs – Buy at Installation Parts Supply
One tough 20 amp connection can keep your entire 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 simple to shop and compare product information. Every item includes pole and wire details, grounding needs, and color indicators so you can see how it fits your devices.
Featuring high-impact housings, solid brass blades, and UL/cUL listings, these units meet 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.
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 show the core electrical package up front so installers can match the device to the proper breaker and wire size.
Key electrical ratings include: 20 amp, 250V AC, 2-pole/3-wire grounding configuration that supports safe, stable 250v service.
- High-impact, heat-resistant nylon or polycarbonate bodies combined 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) along with clearly marked ratings make compliance checks easy.
| Spec | Value | Notes | Color |
|---|---|---|---|
| Current Rating | 20A | Matches common 20 amp breakers | Black (some models use blue code) |
| Voltage Rating | 250V | For indoor use only | Black |
| Electrical Configuration | 2-Pole/3-Wire | Grounding male connector | Black/Blue |
| Body Material | Nylon / Polycarbonate | High-impact and heat-resistant | Black |
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 complete assemblies quickly and avoid 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 uses a 2-pole/3-wire grounding configuration and is rated at 20 amp, 250v AC.
Cable size range and fit – accommodates 0.375″-1.156″ OD cords
Each unit accepts a wide cord range for flexible installs. Typical conductor compatibility includes 14–10 AWG. An ergonomic fluted body and radial grip ridge help make repeated wiring tasks quicker and more consistent.
| Specification | Value | Notes |
|---|---|---|
| Configuration | Male locking plug | 2-Pole / 3-Wire with grounding |
| Cable Outside Diameter | 0.375″–1.156″ | Wide strain relief range |
| Conductor Range | 14–10 AWG | Matches 20 amp terminations |
| Listings & use | cULus on select items | Indoor use on specific models |
At Installation Parts Supply, we walk you through wiring steps and cord selection so your order arrives ready for an efficient install. For more wiring details, our team can help match the correct cord OD, wire gauge, and clamp hardware to your application.
Why Purchase 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 keep stock flowing from our Sanborn, NY warehouse so orders typically ship in 1–2 days. That quick turnaround helps you hit deadlines and avoid costly downtime.
We ship across 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.
Friendly product expertise and customer support
Our product experts are available Monday–Friday, 8:00 a.m.–5:30 p.m. EST via phone or email to confirm specifications such as 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 every device support easy submittals and field ID, plus color indicators to avoid mismatches.
- We help match mating connectors, recommend strain relief hardware for your cord, and support volume or single-unit orders.
Final Thoughts
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.
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. Prices start near $12.80, and most orders leave our New York warehouse in 1–2 days. We appreciate the chance to support your next order with helpful guidance and fast shipping.