The Leviton 20A, 250V NEMA L15-20P Locking Plug is an industrial-grade device designed for reliable performance in demanding 3-phase applications. Rated 3-pole, 4-wire, grounding, and finished in black and white, it features one-piece contacts that reduce friction and overheating, ensuring safe and efficient operation. The unique cord clamp accommodates a wide range of cord sizes, while the rugged nylon construction resists impact, sunlight, chemicals, and rough use. Part of Leviton’s industrial-grade Black & White line, this plug offers superior durability, long-lasting reliability, and comes with an industry-exclusive limited lifetime warranty, making it ideal for heavy-duty industrial and commercial applications.
| Specification | Details |
| Amperage | 20 A |
| Voltage | 250 VAC |
| Phase | 3-Phase |
| Current Interrupting |
Certified for full rated current
|
| Grounding | Grounding |
| Pole | 3 |
| Temperature Rise |
Max 30°C after 250 cycles OL at 200% rated current
|
| Wire | 4 |
| Horsepower Rating |
3 HP at rated voltage
|
| Environment | Dry |
| Flammability |
Rated HB or better UL94
|
| Operating Temperature | -40°C to 60°C |
| Body Material |
Impact Modified Nylon
|
| Back Cover | Thermoplastic |
| Blades / Contacts | Solid Brass |
| Clamp Insert | Nylon |
| Cord-Clamp | Nylon |
| Terminal Screws | Brass |
| Assembly Screws |
Steel, Zinc Plated
|
| Color | Black-White |
| Wire Module | Nylon |
| Cord Range |
0.560 to 0.775 in
|
| Terminal Accommodation | 18–10 AWG |
| Terminal ID |
Brass-Hot, Green-Ground, Silver-Neutral
|
| Torque Range | 10–14 in-lbs |
| Wire Gauge | 14–10 AWG |
| Product ID |
Ratings permanently marked on device
|
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