Pass & Seymour NEMA L615 Turnl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$12.33
Pass & Seymour NEMA L615 Turnlok Duplex Receptacle

Pass & Seymour NEMA L615 Turnlok Duplex Receptacle

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Model: 4550

In Stock (leaves warehouse same day if ordered before 3pm ET)

$12.33
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Pass & Seymour NEMA L615 Turnlok Duplex Receptacle

The Pass & Seymour NEMA L615 Turnlok Duplex Receptacle is a 15A, 250V locking-style receptacle engineered for demanding commercial and industrial power connections. Featuring the Turnlok® twist-lock design, this duplex receptacle is not designed for split circuits and delivers a secure, vibration-resistant connection between cord and receptacle. One-piece, high-grade brass contacts and a solid brass mounting strap provide dependable conductivity, heat-rise resistance, and long-term durability, while the impact-resistant nylon face and body are ultrasonically welded for unmatched strength. This device is UL Listed and CSA Listed for use in professional electrical installations.

Key Features

  • Electrical Rating: Rated 15A at 250V for NEMA L615 locking-style connections; not designed for split-circuit applications.
  • Wiring Capability: Side and external screw-pressure-plate back wire terminals accept #14 - #10 AWG conductors for flexible field wiring.
  • Durable Contacts: One-piece, high-grade brass contacts offer excellent conductivity and heat-rise resistance for reliable performance under load.
  • Solid Brass Mounting Strap: Single-piece, solid brass mounting strap is free of easily loosened rivets found on other brands, ensuring a secure device installation.
  • Clear Identification: Clearly marked NEMA configuration, rating, and third-party listing on each unit's face for fast, accurate device matching.
  • Color-Coded Face: Face color coding by voltage facilitates locating and mating of proper devices in multi-voltage installations.
  • Rugged Housing: Compact, impact-resistant nylon face and body are ultrasonically welded together for unrivaled strength in demanding environments.

Certifications & Compliance

  • UL Listed
  • CSA Listed

Technical Specifications

  • Product Line: Pass & Seymour
  • Country of Origin: Mexico
  • Packaging: 10 EA

Typical Applications

  • Commercial and Industrial Electrical Installations
  • Locking-Style Power Connections for Portable Equipment
  • Panelboard and Facility Power Distribution
  • Renovation and New Construction Wiring Projects
  • Multi-Voltage Facilities Requiring Color-Coded Device Matching

Why Pass & Seymour?

Pass & Seymour engineers the Turnlok Duplex Receptacle with one-piece brass contacts, a solid brass mounting strap, and an ultrasonically welded nylon housing built to withstand the rigors of professional electrical work. Backed by UL and CSA listing, this NEMA L615 receptacle delivers the code-compliant reliability that electrical contractors depend on for demanding commercial and industrial applications.

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Manufacturer Resources

Spec Sheet

Product Specs

Product Line:
Pass & Seymour
list_batch:
PASS-20260820
Department:
Electrical
Product Group:
Wiring Devices
Product Type:
Duplex Receptacle
Product Subgroup:
Receptacles & Outlets

Pass & Seymour 4550 – Frequently Asked Questions

1) Will a standard 5-15 or 5-20 straight-blade plug fit the Pass & Seymour 4550 L615 receptacle?
No. The Pass & Seymour 4550 is a NEMA L615 Turnlok twist-lock device rated 15A 250V, so it only accepts a matching L6-15 locking plug or connector body. Straight-blade cord caps such as 5-15P or 5-20P will not engage it, and the 250V rating means it is not a 125V outlet. If you need a standard 125V straight-blade duplex, a device like the Leviton 16352 commercial grade 20A 125V NEMA 5-20R is the straight-blade route instead.
2) Can I use the 4550 Turnlok duplex receptacle on a split circuit with two separate feeds?
No. The 4550 is specifically not designed for split-circuit applications, so both halves of the duplex are fed from the same circuit. If your drawing calls for two independently switched or separately fed halves, you need a different device.
3) Can I use the Pass & Seymour 4550 in a patient care area, or do I need a hospital grade device?
The Pass & Seymour 4550 is a 15A 250V NEMA L615 Turnlok receptacle for commercial and industrial locking-style power connections, UL Listed and CSA Listed. Where a hospital grade device is required, Leviton's 8300-IGW is a hospital grade narrow body impact-resistant duplex receptacle. Confirm with the facility's electrical spec which receptacles in the room must carry the hospital grade marking.
4) What wire size do the terminals on the Pass & Seymour L615 receptacle accept?
Side screws plus external screw-pressure-plate back wire terminals take #14 through #10 AWG conductors. That covers 15A branch circuits in 14 AWG and the heavier 12 or 10 AWG runs used for long pulls or derated conduit fills, and the back wire pressure plate lets you land stranded conductors without pigtailing.
5) Is the Pass & Seymour 4550 UL listed for commercial and industrial installations?
Yes, it is both UL Listed and CSA Listed, and the NEMA configuration, rating, and third party listing mark are printed on the device face so an inspector or electrician can read the device without pulling it out of the box.
6) Why pick a twist-lock receptacle instead of a standard duplex for portable equipment?
A locking device holds the cord cap mechanically once you twist it in, so vibration or a tug on the cord will not drop power, which is why the L615 Turnlok is used for portable equipment, panelboard feeds, and facility power distribution. A straight-blade receptacle relies only on blade friction. If the load is ordinary 125V plug-in equipment and nothing is moving, a straight-blade device such as the Leviton 5362-E specification grade 20A 125V 5-20R is the simpler choice.
7) Does the Pass & Seymour 4550 satisfy a tamper-resistant receptacle requirement?
The Pass & Seymour 4550 is a NEMA L615 Turnlok twist-lock duplex rated 15A 250V; its security comes from the twist-lock cord retention rather than from tamper-resistant shutters. Where the drawing calls for a tamper-resistant device, Eaton's TRBR15W-BXSP is a 15A tamper-resistant duplex receptacle in white, listed as commercial specification grade. The two address different requirements and are not substitutes for one another.
8) Is there a heavier duty alternative to the Pass & Seymour 4550 for industrial use?
The Pass & Seymour 4550 already uses one-piece high-grade brass contacts, a solid brass mounting strap, and an ultrasonically welded nylon face and body, and it is UL Listed and CSA Listed. If the opening takes a 125V straight blade cord instead of an L615 twist-lock, Leviton's 5362-E is an industrial specification grade extra heavy-duty 20A 125V NEMA 5-20R duplex. The two are not interchangeable at the plug, so the decision is driven by the cord configuration and voltage in the circuit.
9) How durable is the body on the 4550, and will it hold up in a plant environment?
The face and body are impact-resistant nylon, ultrasonically welded together rather than screwed, and the contacts are one-piece high-grade brass for conductivity and heat-rise resistance. The mounting strap is single-piece solid brass with no rivets to loosen under repeated plug cycles or vibration.
10) How do I tell the 250V Turnlok devices apart from the 125V ones on a multi-voltage job?
Pass & Seymour color codes the device face by voltage, and each unit is marked with its NEMA configuration and rating. On a facility running both 125V and 250V locking circuits that lets a crew match cord caps to the right receptacle by sight instead of by meter.
11) How does the Pass & Seymour 4550 come packaged for a multi-unit order?
Packaging is 10 each, so a standard pack covers ten openings. That suits standardizing a run of locking outlets across a shop or mechanical room in one order. The device is made in Mexico.
How fast can I get the Pass & Seymour 4550 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
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 Pass & Seymour 4550 come with a warranty?
Absolutely. The Pass & Seymour 4550 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Pass & Seymour 4550?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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