Cooper Wiring Devices Pin & Sl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$153.07
Cooper Wiring Devices Pin & Sleeve Connector, Three-Phase Thermoplastic

Cooper Wiring Devices Pin & Sleeve Connector, Three-Phase Thermoplastic

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Model: AH420C7W

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

$153.07
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Cooper Wiring Devices Pin & Sleeve Connector, Three-Phase Thermoplastic

The Cooper Wiring Devices Pin & Sleeve Connector is a heavy-duty electrical connector built for demanding power distribution applications. Constructed from durable thermoplastic, this connector is rated for 480V three-phase, four-wire service at 20A, with a three-pole configuration designed for reliable, code-compliant connections in industrial and commercial settings. Its rugged design supports fast, secure mating and unmating for power circuits that require dependable performance.

Key Features

  • Durable Construction: Molded thermoplastic body resists impact, corrosion, and harsh jobsite conditions for long service life.
  • Connector Type: Pin & Sleeve connector engineered for quick, secure engagement in power distribution circuits.
  • Voltage Rating: Rated for 480V service, suitable for demanding three-phase power systems.
  • Phase Configuration: Three-phase design supports balanced power delivery to motors, equipment, and machinery.
  • Wire Configuration: Four-wire configuration accommodates three-phase circuits with a dedicated ground or neutral conductor.
  • Pole Configuration: Three-pole design matches the connector to its rated phase and wire configuration for correct circuit compatibility.
  • Amperage Rating: Rated at 20A, appropriate for moderate-load power distribution and equipment hookups.

Technical Specifications

  • Amperage Rating: 20A
  • list_batch: COOPER-20260730

Typical Applications

  • Industrial and Commercial Power Distribution
  • Three-Phase Equipment and Machinery Hookups
  • Temporary and Portable Power Connections
  • Construction Site and Jobsite Power Runs
  • Panelboard and Load Center Wiring Extensions

Why Cooper Wiring Devices?

Cooper Wiring Devices builds its Pin & Sleeve connectors from durable thermoplastic to withstand the rigors of industrial and commercial electrical work. With a clearly defined 480V three-phase, four-wire, three-pole, 20A rating, this connector gives electrical professionals a dependable, code-compliant option for demanding power distribution needs. Choose Cooper Wiring Devices for electrical components built to perform reliably on the jobsite.

Manufacturer Resources

Spec Sheet

Product Specs

Phase:
Three-phase
Voltage Rating:
480V
Number Of Wires:
Four-wire
Number Of Poles:
Three-pole
Product Type:
Connector
Amperage Rating:
20A
Special Features:
Connecctor
Product Material:
Thermoplastic
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Plugs & Connectors

Cooper Wiring Devices AH420C7W – Frequently Asked Questions

1) Will the Cooper AH420C7W pin and sleeve connector work on a 480V three-phase circuit?
Yes. The Cooper Wiring Devices AH420C7W is rated 480V, three-phase, and it is built as a four-wire, three-pole device, so it carries three phase conductors plus a ground. At 20A it suits moderate-load equipment hookups and feeder extensions rather than large motor loads.
2) Can I use this Cooper pin and sleeve connector on a 208V or 120/240V panel instead?
The AH420C7W is a 480V three-phase, 20A device with a three-pole, four-wire configuration. Pin and sleeve devices are keyed and colour-coded by voltage band, so it will not intermate with devices built for 120/208V or 125/250V systems. For a 125V 20A straight blade cord connection, the Leviton industrial grade 3-wire 2-pole 125V 20A connector is the right class of device instead.
3) Does the three-pole four-wire Cooper AH420C7W give me a neutral?
Three poles plus a fourth wire means three current-carrying phase conductors and one additional conductor for grounding on a 480V three-phase system. If your load needs a separate neutral in addition to ground, you need a four-pole, five-wire device, not this one.
4) For a healthcare facility receptacle connector, is the Cooper AH420C7W the right choice?
The Cooper AH420C7W is a three-phase, 480V, three-pole industrial pin and sleeve connector intended for power distribution and machinery hookups, not patient-care branch circuits. For hospital grade cord connectors, the Bryant 8269T is a hospital grade NEMA 5-15R connector and the Leviton 8319-C is a hospital grade NEMA 5-20R connector in black, supplied 100 per pack.
5) Is a watertight Turnlok connector an alternative to the Cooper AH420C7W for wet locations?
They solve the sealing problem in different ways. The Pass and Seymour Turnlok 27W series is a 20A watertight connector rated NEMA 4X/6P and uses a twist-locking blade interface. The Cooper AH420C7W is a pin and sleeve device with a molded thermoplastic body, rated 480V three-phase, four-wire, three-pole at 20A. Because the contact systems differ, the 27W will not mate with a pin and sleeve plug, so the choice follows whatever the existing plug or inlet on the equipment is.
6) Is a pin and sleeve connector the right choice over a twist-lock for jobsite three-phase power?
Pin and sleeve is the usual pick where connections get made and broken often under rough conditions: the AH420C7W uses a moulded thermoplastic body that resists impact and corrosion, and the pins seat inside sleeves rather than relying on a twisting blade engagement. For 20A single-phase watertight cord connections, a twist-lock style like the Pass and Seymour Turnlok 27W Series watertight connector, rated NEMA 4X/6P, covers that job instead.
7) What part number should I order to match an existing Cooper pin and sleeve setup?
The manufacturer part number is AH420C7W from Cooper Wiring Devices. Match it against the mating plug or inlet already installed, since pin and sleeve bodies only intermate within the same amperage, voltage band and pole/wire configuration (here 20A, 480V, three-pole four-wire).
8) What is the difference between the Cooper AH420C7W and a midget connector like the Leviton ML2-C?
The Leviton ML2-C is a midget connector for electrical wiring, sold 100 per pack, and suits small-gauge low-current wiring work. The Cooper AH420C7W is a heavy-duty pin and sleeve connector rated 20A at 480V in a three-phase, four-wire, three-pole configuration for industrial power distribution. They are not interchangeable in either direction.
9) Can a Bryant WPC weatherproof connector fitting replace the Cooper AH420C7W on an outdoor jobsite feeder?
No. The Bryant WPC series is a weatherproof wiring connector fitting, while the Cooper AH420C7W is a pin and sleeve connector rated 480V three-phase, four-wire, three-pole at 20A with a molded thermoplastic body for industrial and jobsite power runs. If the equipment cord terminates in a pin and sleeve plug, the mating connector must also be pin and sleeve.
10) What is the Cooper AH420C7W pin and sleeve connector typically used for?
Three-phase machinery and equipment hookups, industrial and commercial power distribution, temporary and portable power, construction site power runs, and panelboard wiring extensions. The 20A rating keeps it to moderate loads, so size it against the equipment nameplate before committing.
11) Will a thermoplastic connector body hold up outdoors on a construction site?
The moulded thermoplastic body on this Cooper pin and sleeve connector resists impact and corrosion and is built for jobsite conditions. For a dedicated weatherproof fitting on a wiring connection, Bryant's WPC Series weatherproof wiring connector fitting is the purpose-built alternative.
How fast can I get the Cooper Wiring Devices AH420C7W 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 AH420C7W come with a warranty?
Absolutely. The Cooper Wiring Devices AH420C7W 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 AH420C7W?
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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