NEMA L6-20P Twist Lock Plugs – Buy at Installation Parts Supply
One rugged 20 amp connection can keep an entire shift running. Teams often lose hours to power faults, so we put the spotlight on l6-20 plug wiring diagram solutions that cut 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 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 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 specs and durable construction you can count 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.
- Durable bodies in high-impact, heat-resistant nylon or polycarbonate 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 | Rating | Details | Color Code |
|---|---|---|---|
| Current | 20A | Matches common 20 amp breakers | Black (some models blue code) |
| Voltage Rating | 250V | Indoor use only | Black housing |
| Configuration | 2-Pole/3-Wire | Grounding male connector | Black/Blue |
| Body Material | Nylon / Polycarbonate | High-impact, 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.
NEMA L6-20P Twist Lock Plug Overview
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. The male connector uses a 2-pole/3-wire grounding configuration and is rated at 20 amp, 250v AC.
Cable range and fit: accepts 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. The ergonomic fluted body and radial grip ridge help make repetitive wiring faster and more consistent.
| Specification | Rating | Notes |
|---|---|---|
| Configuration | Male locking plug | 2-Pole / 3-Wire grounding |
| Cable OD | 0.375″–1.156″ | Wide strain relief range |
| Conductor | 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 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 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. That quick turnaround helps you meet deadlines and avoid costly downtime.
We ship across the U.S. with reliable transit times. Pricing commonly starts near $12.80 each, and specific items include cULus listings (Cord Connector 91GG) with Spec # WJ-9433 and File # E237606.
Helpful product expertise and 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.
- 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.
Final Thoughts
We pair verified performance data with friendly support to 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.
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 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.