Bryant 4721NP Black/White Nylo...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$25.14
Bryant 4721NP Black/White Nylon Locking Plug

Bryant 4721NP Black/White Nylon Locking Plug

(No reviews yet) Write a Review

Model: 4721NP

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

$25.14
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Bryant 4721NP Black/White Nylon Locking Plug

The Bryant 4721NP Black/White Nylon Locking Plug is a locking-style electrical plug built around a rugged nylon housing finished in a black/white two-tone color scheme. Bryant engineers this locking plug for dependable connect-and-disconnect service on cord sets and portable equipment, giving electricians and facility teams a plug designed to mate securely with a compatible locking receptacle. The twist-lock style connection is intended to resist accidental separation during use, making it well suited to commercial, industrial, and job-site environments where cords are routinely flexed, moved, plugged and unplugged, or subjected to vibration. The durable nylon body brings a lightweight, non-conductive housing material to the connection point, helping the plug hold up to repeated handling and everyday wear in demanding electrical work, while the black/white finish makes it easy to spot among other cordage on a busy site.

Key Features

  • Locking Design: Twist-lock style plug construction is engineered to secure the connection to a mating locking receptacle and help resist accidental disconnection during use.
  • Durable Nylon Construction: A nylon housing provides a lightweight, non-conductive, impact-resistant body suited to repeated use in commercial and industrial settings.
  • Black/White Two-Tone Finish: The black/white housing color scheme supports quick visual identification of the plug on busy job sites and in equipment rooms.
  • Secure Cord Connection: The locking plug and receptacle pairing is intended to keep cord sets connected through movement and vibration, reducing unintended disconnects.
  • Bryant Wiring Device: Manufactured by Bryant, a long-standing supplier of professional-grade wiring devices for commercial and industrial electrical systems.

Technical Specifications

  • Refer to manufacturer documentation for complete specifications.

Typical Applications

  • Commercial and Industrial Electrical Installations
  • Portable Power Cord Sets and Equipment Connections
  • Temporary Power Distribution on Job Sites
  • Facility and Maintenance Electrical Work
  • Renovation and New Construction Wiring Projects

Why Bryant?

Bryant is a recognized name in professional-grade wiring devices, and the 4721NP locking plug design reflects that standard with a durable nylon housing built to perform in demanding electrical environments. The locking connection and rugged nylon body are intended to give electrical contractors, facility teams, and maintenance crews a wiring device they can rely on for repeated connect-and-disconnect cycles. Choose Bryant when a secure, locking connection and dependable nylon construction matter for professional, code-compliant electrical work.

Product Specs

list_batch:
BRY-20260909
Product Type:
Locking Plug
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Plugs & Connectors
Product Material:
Nylon
Product Color:
Black/White

Bryant 4721NP – Frequently Asked Questions

1) What kind of plug is the Bryant 4721NP, and what does it mate with?
It's a twist-lock (locking) cord plug with a nylon housing. You insert it into a matching locking receptacle or connector body and rotate to seat the blades, so the connection holds through cord movement and vibration instead of pulling straight out. It only mates with a locking device of the same configuration, not with a straight-blade receptacle, so match the receptacle's configuration to the plug before you build the cord set.
2) I need a locking plug for a specific NEMA configuration like L6-20 or L16-30. What are my options?
Match the plug to the configuration on the receptacle, because locking blade patterns are not interchangeable. Common ones we carry include the Leviton 4570-C for NEMA L6-15P at 250V 15A, the Leviton industrial grade L6-20P at 20A 250V, the Eaton L6-30 two-pole three-wire nylon plug, the Leviton L16-30P for 480V three-phase 30A, the Leviton four-wire 125/250V three-phase 20A plug, and the Pass and Seymour L720P Turnlok NEMA L8 three-wire 480V plug.
3) What is another nylon locking plug to consider alongside the Bryant 4721NP?
The Eaton L530P is also a nylon-bodied locking plug, built to the L6-30 configuration as a two-pole three-wire device and listed as commercial grade. The Bryant 4721NP uses a nylon housing as well, in a black/white two-tone color that helps pick it out among other cordage on a site. If you want nylon in a specific NEMA configuration, the Eaton L530P states its L6-30 series outright.
4) I need a locking plug rated for 250V at 20 amps - what should I order instead of the Bryant 4721NP?
For a stated 250V 20A two-pole locking plug, the Leviton 2321 is an industrial grade NEMA L6-20P device. If the opening is 15A at 250V instead, the Leviton 4570-C is an industrial grade two-pole NEMA L6-15P plug. Both name their NEMA configuration and electrical rating directly, so you can match them to the receptacle already in the wall.
5) For a wet or dusty location, is the Bryant 4721NP the right locking plug?
For dust exposure, look at the Pass and Seymour 2675-2675, a 267 Series 20A rubber dust-tight locking plug in yellow - the rubber body and dust-tight construction are what set it apart for that environment. The Bryant 4721NP is a nylon-housed twist-lock plug intended for cord sets and portable equipment in commercial, industrial, and job-site service where cords are flexed and moved.
6) Can I use the Bryant 4721NP on a portable power cord or extension cord I'm building?
Yes, that is the intended use. It's a cord-mounted plug for cord sets and portable equipment, and the locking action is what keeps the cord from dropping out when the tool gets dragged or the cable is flexed. Typical work is temporary job-site power, portable equipment leads, and facility maintenance cord repairs.
7) Is a nylon plug body good enough for industrial use, or do I need rubber?
Nylon, like the 4721NP uses, is a rigid, non-conductive, impact-resistant housing that stands up to repeated plugging and unplugging, and it's the usual choice for general commercial and industrial cord sets. Where the cord lives in wet, dusty, or heavily abused conditions, a rubber-bodied plug is the tougher pick, for example the Pass and Seymour 2675-2675 267 Series 20A rubber dust-tight locking plug. If the abuse is mechanical rather than environmental, an armored body such as the Eaton 7765 industrial armored locking plug is built for that.
8) What part number do I order for the Bryant black and white nylon locking plug?
Order Bryant 4721NP. That's the manufacturer part number and the only model on the item, so there are no finish or configuration options to pick at checkout.
9) If I need a heavier duty locking plug than a standard nylon one, what should I look at?
For a step up in ruggedness, the Eaton 7765 is an extra heavy duty armored locking plug rated 50A 600V / 250Vdc with back wiring, and the Eaton 7411-C is a heavy-duty specification grade safety grip plug at 20A 120/208V. The Leviton locking plugs in the 2321, 2341, and 2411 lines are industrial grade. Pick by the amperage and voltage of the circuit first, then by how much physical abuse the cord end will take.
10) What is the difference between the Bryant 4721NP and a 4-wire locking plug like the Leviton 2411?
The Leviton 2411 is a 4-wire industrial grade locking plug rated 125/250V three-phase at 20A, so it carries an additional conductor for three-phase or 125/250V service. The Bryant 4721NP is a nylon-bodied twist-lock plug for cord sets and portable equipment. Wire count has to match the receptacle and the cord - a 4-wire device will not mate with a three-wire locking receptacle.
11) Which locking plug is back-wired rather than a standard cord-terminated plug?
The Eaton 7765 is specified as a back-wiring industrial armored locking plug, rated 50A 600V/250Vdc and graded extra heavy duty. That terminal arrangement matters when you are landing large-gauge conductors. The Bryant 4721NP is a nylon locking plug for cord sets and portable equipment, so the two are wired and handled differently on the bench.
12) Does the black and white housing mean anything electrically, or is it just for identification?
It's identification only. The two-tone black and white nylon body makes the plug easy to pick out among other cords in a panel room or on a crowded site; it carries no rating or polarity meaning. Wire terminations follow the configuration on the plug itself, not the housing color.
How fast can I get the Bryant 4721NP 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 Bryant 4721NP come with a warranty?
Absolutely. The Bryant 4721NP 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 Bryant 4721NP?
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
Why buy the Bryant 4721NP from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!