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 simple 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. Pricing begins near $12.80, and most inventory 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 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: 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.
- Ergonomic fluted body plus a radial grip ridge provide confident insertion and removal, even when wearing gloves.
- UL/cUL listings (Spec # WJ-9433, File # E237606) along with clearly marked ratings make compliance checks easy.
| Specification | Rating | Notes | Color Code |
|---|---|---|---|
| Current | 20A | Aligned with common 20 amp breakers | Black (some models use blue code) |
| Voltage Rating | 250V | Indoor use only | Black housing |
| Configuration | 2-Pole/3-Wire | Male connector with grounding | Black / Blue |
| Material | Nylon / Polycarbonate | High-impact and heat-resistant | Black |
We curate 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.
Overview of NEMA L6-20P Twist Lock Plugs
A clear wiring plan lets technicians finish assemblies faster and cut down on rework.
Wiring and configuration information: male locking plug with grounding
We list the exact configuration so teams can prep conductors and tools before 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 covers 14–10 AWG. The ergonomic fluted body and radial grip ridge help make repetitive wiring faster and more consistent.
| Spec | Rating | Notes |
|---|---|---|
| Connector Configuration | Male locking plug | 2-Pole / 3-Wire grounding |
| Cable OD | 0.375″–1.156″ | Wide 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. 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 you time on every job when power is critical. We move stock quickly from our Sanborn, NY warehouse so orders usually ship in 1–2 days. That quick turnaround helps you meet 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 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 can help you match mating connectors, recommend strain relief hardware for your cord, and handle volume or one-off orders.
Wrap-Up
We bring together verified performance data and friendly support to help 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 from 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. 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.