NEMA L6-20P Twist Lock Plugs from Installation Parts Supply
One tough 20 amp connection can keep your entire shift running. We’ve watched teams lose hours to power faults, so we focus on l6-20 solutions that prevent that lost time. 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 shows pole and wire details, grounding requirements, and color indicators so you understand 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 selecting 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
Choosing the right connector starts with clear specifications and durable construction you can rely 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.
- 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) and clear rating marks simplify compliance checks.
| Spec | Value | Notes | Color |
|---|---|---|---|
| Current | 20A | Matches common 20 amp breakers | Black (some models use blue code) |
| Voltage | 250V | For indoor use only | Black housing |
| Electrical Configuration | 2-Pole/3-Wire | Male connector with grounding | Black/Blue |
| Material | Nylon / Polycarbonate | High-impact, 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.
Overview of 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 list the exact configuration so teams can prepare conductors and tools before assembly. The male connector is 2-pole/3-wire grounding and 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. These plugs typically support conductors from 14–10 AWG. The ergonomic fluted body and radial grip ridge help make repetitive wiring quicker and more consistent.
| Spec | Rating | Notes |
|---|---|---|
| Connector Configuration | Male locking plug | 2-Pole / 3-Wire with grounding |
| Cable Outside Diameter | 0.375″–1.156″ | Robust 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 details, our team can help match the correct 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 time on every job—especially when power is critical. We keep stock moving 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 throughout the U.S. with reliable transit times. Typical pricing starts near $12.80 each, and select items carry cULus listings (Cord Connector 91GG) with Spec # WJ-9433 and File # E237606.
Friendly 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.
- Rugged construction featuring high-impact nylon or polycarbonate bodies plus 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 help match mating connectors, recommend strain relief hardware for your cord, and support volume or 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 from high-impact nylon or polycarbonate bodies with solid brass blades and published cULus/UL listings. Cord fit ranges to 0.375″–1.156″ and ergonomic grips make assembly fast. 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.