Cooper Wiring Devices Heavy-Du...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$20.66
Cooper Wiring Devices Heavy-Duty NEMA 6-30R Power Receptacle, 30A 250V

Cooper Wiring Devices Heavy-Duty NEMA 6-30R Power Receptacle, 30A 250V

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Model: COO-1232

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

$20.66
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Cooper Wiring Devices Heavy-Duty NEMA 6-30R Power Receptacle

The Cooper Wiring Devices Heavy-Duty NEMA 6-30R Power Receptacle is a two-pole, three-wire, grounding receptacle engineered for demanding power applications. Rated 30A at 250V, this receptacle is molded from durable glass-filled nylon for long-term strength and heat resistance. Configured to NEMA 6-30R specifications and designed for surface mounting, it is built to pair with S42-series devices in industrial and commercial power circuits.

Key Features

  • NEMA Configuration: 6-30R configuration ensures correct mating with compatible 30A, 250V plugs.
  • Durable Construction: Glass-filled nylon housing resists heat, impact, and wear in heavy-duty environments.
  • Two-Pole, Three-Wire Grounding: Receptacle Type is two-pole, three-wire, grounding for safe, code-compliant power connections.
  • Electrical Rating: 30A amperage rating at 250V voltage rating supports heavy-duty power loads.
  • Back Wiring, Screw Connection: Wiring Method is back wiring with a screw connection type, accepting an allowable wire size of #12 - 4 AWG.
  • Surface Mounting: Mounting Type is surface, simplifying installation on panels, enclosures, and equipment.
  • Black Finish: Color is black for a durable, professional appearance.
  • Used With S42: Designed for use with S42 devices as part of a coordinated power connection system.

Technical Specifications

  • Receptacle Type: Two-pole, three-wire, grounding
  • Material: Glass-filled nylon
  • Voltage Rating: 250V
  • Number Of Poles: Two-pole
  • Wiring Method: Back
  • Allowable Wire Size: #12 - 4 AWG
  • Connection Type: Screw
  • Amperage Rating: 30A
  • Nema Configuration: 6-30R
  • Mounting Type: Surface
  • Used With: S42
  • Style: Power
  • Number Of Wires: Three-wire
  • Color: Black
  • Design Type: Receptacle

Typical Applications

  • Heavy-Duty Industrial Power Connections
  • Commercial and Industrial Electrical Installations
  • Surface-Mounted Power Distribution
  • Equipment and Machinery Power Hookups
  • Panel and Enclosure Power Receptacles
  • Renovation and New Construction Projects

Why Cooper Wiring Devices?

Cooper Wiring Devices builds this heavy-duty power receptacle from glass-filled nylon for durability under demanding conditions, with a two-pole, three-wire grounding design and a 30A, 250V NEMA 6-30R configuration for reliable, code-compliant power connections. Its screw-terminal back wiring, surface mounting, and compatibility with S42 devices make it a practical choice for professional electrical installations that demand dependable heavy-duty performance.

Manufacturer Resources

Product Specs

Receptacle Type:
Two-pole, three-wire, grounding
Voltage Rating:
250V
Number Of Poles:
Two-pole
Wiring Method:
Back
Allowable Wire Size:
#12 - 4 AWG
Connection Type:
Screw
Amperage Rating:
30A
Nema Configuration:
6-30R
Installation Category:
Surface
Used With:
S42
Product Style:
Power
Number Of Wires:
Three-wire
Design Type:
Receptacle
Product Type:
Power Receptacle
Product Material:
Glass-Filled Nylon
Product Color:
Black
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Receptacles & Outlets
Product Height:
4.817 in
Product Width:
2.428 in
Product Length:
2.129 in
Product Weight:
0.725 lb

Cooper Wiring Devices COO-1232 – Frequently Asked Questions

1) Will a NEMA 6-30R receptacle work for a 240V welder or appliance plug?
The Cooper Wiring Devices 1232 is a NEMA 6-30R configuration rated 30A at 250V, two-pole three-wire with ground. That means it mates only with a 6-30P plug, the straight-blade 30A 250V configuration used on many welders, heaters and 240V equipment. There is no neutral in this device, so it will not serve a 4-wire appliance that needs 120V as well (a 14-30 dryer plug, for example). Check the plug on the equipment reads 6-30P before ordering.
2) What wire gauge can I land on the Cooper 1232 6-30R receptacle terminals?
Terminals accept #12 through 4 AWG on screw connections, wired from the back. That range covers a 30A circuit in copper comfortably and leaves room if you are pulling larger conductors for voltage drop on a long run to a machine.
3) Can I use the Cooper 1232 6-30R for a 50A machine or a 277V motor circuit?
No. It tops out at 30A and 250V, so a 50A load or a 277V circuit needs a different device. For 50A at 600V/250V AC/DC there is the Eaton 7379 industrial locking receptacle, and for a 277V two-pole three-wire motor-duty application the Bryant 430R9W (4750DR series) is the one to look at.
4) How many conductors do I need to pull for a Cooper 1232 6-30R outlet?
Three: two hot legs and an equipment ground. It is a two-pole, three-wire grounding device with no neutral terminal, so a two-hot-plus-ground 240V branch circuit is what it wants. If your equipment also needs 120V, this is the wrong configuration.
5) What is the alternative to the Cooper 1232 in a hazardous or classified area?
The Cooper 1232 is a glass-filled nylon surface-mount receptacle for general industrial and commercial power circuits, not a classified-location device. For hazardous areas, Appleton offers the FSQC series interlocked explosionproof receptacle, and the U-Line ECS factory-sealed 15 and 20 amp 3-pole plug and receptacle set for factory-sealed 15A and 20A connections.
6) What should I use instead of the Cooper 1232 if the load needs 50A rather than 30A?
The Cooper 1232 is rated 30A at 250V in a NEMA 6-30R straight-blade configuration. For a higher-current connection, the Eaton 7379 is an industrial locking receptacle rated 50A at 600V/250V AC/DC in black. Note that it is a locking device, so the mating plug must twist to lock rather than straight-blade like the 6-30R.
7) Does this 6-30R receptacle mount in a standard wall box or on the surface?
It is a surface-mount device, intended to go on a panel, enclosure, or equipment housing rather than being dropped into a flush wall box. Back wiring with screw terminals means the conductors come in behind the device, so plan the knockout and conduit entry accordingly.
8) What does the S42 reference on the Cooper 1232 mean when I'm ordering?
The 1232 is built for use with S42 devices, so it is meant to be installed as part of that coordinated Cooper power connection assembly rather than as a loose standalone outlet. If you are matching an existing installation that uses S42 housings, this is the receptacle insert that belongs with it.
9) I need a 30A twist-lock instead of a straight blade 6-30R. What are my options?
A 6-30R is a straight-blade configuration, so the plug pulls straight out, which is fine for fixed equipment but not where a cord gets tugged. For a locking 30A connection, the Pass & Seymour Turnlok 30A single receptacle is the alternative we carry. Decide on the plug already on the cord: a twist-lock cap will not enter a 6-30R.
10) Can I use this Cooper 6-30R to replace a standard 20A duplex outlet in an office?
No, and the two are not interchangeable. The 1232 is a single 30A 250V two-pole outlet for 240V equipment. For a 125V duplex on a general-purpose circuit, the heavy-duty options we stock include the Bryant 5362B 20A/125V duplex and the Eaton Arrow Hart 5262W 15A 125V 5-15R industrial duplex. For an isolated ground run feeding sensitive equipment, the Pass & Seymour IG5362-I 20A 125V is the spec-grade choice.
11) Can I use a heavy-duty 20A duplex like the Bryant 5362B in place of the Cooper 1232?
No. The Cooper 1232 is a single 30A, 250V NEMA 6-30R device for two-pole, three-wire grounding connections. The Bryant 5362B is a heavy-duty 20A/125V duplex receptacle - a 125V general-purpose outlet at lower amperage. They serve different circuits and the plug patterns do not mate.
12) Does the Cooper 1232 take larger conductors than a standard spec-grade receptacle?
Yes. The Cooper 1232 accepts #12 through 4 AWG on screw terminals with back wiring, which suits the feeder sizes used on a 30A 250V branch. By comparison, the Eaton 6450W industrial specification grade decorator single receptacle is rated for #14-10 AWG, a narrower range aimed at smaller branch conductors.
13) If I need an isolated ground outlet for sensitive equipment, is the Cooper 1232 the right part?
No. The Cooper 1232 is a two-pole, three-wire grounding receptacle at 30A 250V and does not provide an isolated ground path. For isolated ground service, the Pass & Seymour IG5362-I is a heavy-duty spec-grade isolated ground duplex rated 20A 125V, and the Bryant 21254IGO is a quad straight-blade NEMA 5-20R 20A device.
14) What is the Cooper 1232 receptacle housing made of, and will it hold up in a shop environment?
The body is molded glass-filled nylon in black, which is the material Cooper uses on its heavy-duty line for heat and impact resistance. That makes it suited to machinery hookups, panel-mounted outlets, and industrial power distribution where a general-purpose thermoplastic residential device would not last.
15) What is the manufacturer part number for the Cooper Wiring Devices black 6-30R power receptacle?
Cooper Wiring Devices part number 1232, the heavy-duty NEMA 6-30R power receptacle rated 30A at 250V in black glass-filled nylon. It is a single model, so there is no finish or amperage option to specify when you order.
16) We are standardizing 125V outlets across a building and also need the 30A machine drops. How do those split?
The Cooper 1232 covers the machine drops: 30A at 250V, NEMA 6-30R, two-pole three-wire grounding, surface mounted in a black glass-filled nylon body. For the 125V general outlets, Eaton's 5262W is an industrial specification grade heavy-duty duplex rated 15A 125V in 5-15R gray, and the Eaton 816W-BOX is a commercial specification grade 15A single receptacle.
How fast can I get the Cooper Wiring Devices COO-1232 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 Cooper Wiring Devices COO-1232 come with a warranty?
Absolutely. The Cooper Wiring Devices COO-1232 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 Cooper Wiring Devices COO-1232?
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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