Leviton Industrial Grade 4-Pole 4-Wire Polarized Locking Plug, 120/208V 3-Phase 20A
The Leviton Industrial Grade 4-Pole 4-Wire Polarized Locking Plug is engineered for secure, high-performance power connections in demanding electrical environments. Rated 120/208V at 3-Phase and 20A, this locking plug features a 4-wire, 4-pole polarized configuration that ensures correct phase alignment and a positive twist-lock connection every time it is mated with its corresponding locking connector or receptacle. Built to industrial grade standards, it is designed for dependable performance in commercial, industrial, and heavy-duty applications where reliable power connectivity is essential, including equipment that draws power from 3-Phase distribution systems.
Key Features
- 4-Pole, 4-Wire Configuration: Polarized design ensures correct orientation and consistent, repeatable phase connection every time the plug is mated.
- Industrial Grade Construction: Built to withstand the demands of commercial and industrial-duty electrical environments.
- Locking Design: Twist-lock mechanism provides a secure mechanical and electrical connection that resists accidental disconnection from vibration or movement.
- Voltage Rating: Rated 120/208V for use on 3-Phase power distribution systems.
- Current Rating: Rated 20A to reliably support demanding industrial and commercial electrical loads.
- Polarized Configuration: Prevents incorrect mating, helping protect connected equipment, wiring, and personnel.
- 3-Phase Compatibility: Configured for 120/208V 3-Phase systems commonly found in commercial and industrial facilities.
Technical Specifications
- list_batch: LEV-20260730
Typical Applications
- Industrial and Commercial 3-Phase Power Distribution
- Heavy-Duty Machinery and Equipment Connections
- Generator and Portable Power Connections
- Manufacturing and Industrial Facility Wiring
- Panelboard-Fed Equipment Requiring Locking Plug Connections
- Renovation and New Construction Electrical Projects
Why Leviton?
Leviton is a trusted name in professional electrical wiring devices, known for engineering industrial grade locking plugs built for reliable, code-compliant performance in demanding environments. The polarized 4-pole, 4-wire design and secure twist-lock connection make this plug a dependable choice for professionals who need consistent, safe power connections in 120/208V 3-Phase industrial and commercial applications.
Manufacturer Resources
Technical Information
Product Specs
- Product Type:
- Locking Plug
- Connection Type:
- Locking
- Amperage Rating:
- 20A
- Voltage Rating:
- 120/208V
- Poles:
- 4
- Nema Rating:
- L18-20P
- Grade:
- Industrial
- Product Color:
- Black
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Subgroup:
- Plugs & Connectors
Leviton 2441 – Frequently Asked Questions
1) Can I use an L6-30 or L5-15 locking plug in place of the Leviton 2441?
No. The Leviton 2441 is an L18-20P, a 4-pole 4-wire device for 120/208V 3-phase. The Eaton L530P is an L6-30 two-pole three-wire plug and the Bryant 4722N is an L5-15P rated 15A at 125V - both have fewer poles and different blade patterns, so neither will mate with an L18-20 receptacle. Match the NEMA configuration exactly.
2) What is the closest alternative to the Leviton 2441 locking plug for a 20A 120/208V circuit?
The Leviton 2441 is an industrial grade 4-pole 4-wire locking plug rated 20A at 120/208V. The nearest alternative from another brand is the Eaton Safety Grip locking plug 7411-C, also rated 20A at 120/208V and built to heavy-duty specification grade. Confirm the NEMA configuration on the mating receptacle before ordering either one, since the 2441 is an L18-20P.
3) Why does the 2441 say polarized, and does that change how I wire it?
Polarized means the blade pattern only goes together one way, so phase rotation is repeatable every time the plug is mated. That matters for 3-phase motor loads where reversed legs reverse rotation. Wire the legs consistently on both the plug and its mating connector so every drop in the facility turns the same direction.
4) What is a good alternative if I need a 480V 3-wire locking plug instead of 120/208V?
The 2441 is a 120/208V device and will not serve a 480V circuit. For 480V, the Pass & Seymour L720P Turnlok is a NEMA L8 3-wire locking plug. Eaton's 7765 armored plug covers 50A at 600V where the load is larger.
5) What Leviton part number do I order for a 4-pole 20A 120/208V locking plug?
Leviton 2441. One model covers it, rated 20A at 120/208V 3-phase in the L18-20P pattern, black body.
6) I need a higher amperage locking plug than the Leviton 2441 - what should I look at?
The Leviton 2441 tops out at 20A on 120/208V. For larger loads, the Eaton 7765 industrial armored locking plug is rated 50A at 600V with back-wiring and an extra heavy duty build. It is a different NEMA configuration, so the receptacle and feeder have to be sized and configured for it rather than treated as a drop-in.
7) Is this plug rated for industrial duty or is it a commercial grade device?
Industrial grade. The 2441 is built for plant and heavy equipment service rather than light commercial use. Among comparable 20A 120/208V locking plugs, the Eaton 7411-C is listed as heavy-duty specification grade, and the Eaton 7765 armored plug as extra heavy duty for 50A 600V service.
8) Will this twist-lock plug stay connected on vibrating machinery?
That is the point of the locking design. The plug twists into its mating connector so the mechanical interlock resists pull-out from vibration or cord movement, unlike a straight-blade plug. It is the usual choice for machine cords, generator tails, and portable power feeds on 3-phase distribution.
How fast can I get the Leviton 2441 delivered?
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Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Leviton 2441 come with a warranty?
Absolutely. The Leviton 2441 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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