Cooper Wiring Devices Industri...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$7.48
Cooper Wiring Devices Industrial Grade Single-Pole Toggle Switch, 20A

Cooper Wiring Devices Industrial Grade Single-Pole Toggle Switch, 20A

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Model: AH1221W

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

$7.48
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Cooper Wiring Devices Industrial Grade Single-Pole Toggle Switch, 20A

The Cooper Wiring Devices Industrial Grade Single-Pole Toggle Switch is engineered for demanding industrial applications requiring reliable, heavy-duty switching performance. Rated for 20A at 120/277V, this toggle switch features a durable polycarbonate housing and a brass terminal enclosure for long-term dependability. Designed for flush mounting with back and side wiring, it accommodates #14-10 AWG wire for flexible installation in commercial and industrial electrical systems.

Key Features

  • Amperage Rating: 20A at 120/277V for demanding industrial power switching needs.
  • Durable Construction: Polycarbonate housing provides impact resistance and long service life in industrial environments.
  • Single-Pole Configuration: Toggle switch design for straightforward single-circuit control.
  • Wiring Method: Back and side wiring with screw connectors for flexible, secure terminations.
  • Allowable Wire Size: Accepts #14-10 AWG wire for compatibility with standard branch circuit conductors.
  • Mounting Type: Flush mounting for a clean, professional installation in standard wallboxes.
  • Terminal Enclosure: Brass terminal enclosure material enhances conductivity and durability.
  • Color: White finish suits a wide range of commercial and industrial interiors.

Technical Specifications

  • Connector Type: Screw
  • Material: Polycarbonate
  • Voltage Rating: 120/277V
  • Number Of Poles: Single-pole
  • Wiring Method: Back and side
  • Allowable Wire Size: #14-10 AWG
  • Application: Industrial
  • Amperage Rating: 20A
  • Mounting Type: Flush
  • Color: White
  • Terminals: 0.031 in
  • Type: Toggle switch
  • Terminal Enclosure Material: Brass

Typical Applications

  • Industrial and Commercial Lighting Control
  • Motor and Equipment Switching Circuits
  • Manufacturing and Warehouse Facilities
  • Panelboard and Load Center Wiring Support
  • Renovation and New Construction Projects

Why Cooper Wiring Devices?

Cooper Wiring Devices toggle switches are built with rugged polycarbonate housings and brass terminal enclosures to deliver dependable performance in demanding industrial settings. With a 20A, 120/277V rating and flexible back-and-side wiring, this switch is a solid choice for professionals who need consistent, code-compliant switching performance on every job.

Manufacturer Resources

Product Specs

Connector Type:
Screw
Voltage Rating:
120/277V
Number Of Poles:
Single-pole
Wiring Method:
Back and side
Allowable Wire Size:
#14-10 AWG
Application:
Industrial
Amperage Rating:
20A
Installation Category:
Flush
Terminals:
0.031 in
Product Type:
Single-Pole Toggle Switch
Terminal Enclosure Material T:
Brass
Connection Type:
Screw
Listing:
Industrial Grade
Product Material:
Polycarbonate
Product Color:
White
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Toggle Switches
Product Weight:
0.16 lb
Product Height:
4.19 in
Product Length:
1.3 in
Product Width:
1.005 in
Certifications:
cULus Listed

Cooper Wiring Devices AH1221W – Frequently Asked Questions

1) Can the Cooper AH1221W toggle switch be used on a 277V lighting circuit?
Yes. The AH1221W is rated 20A at 120/277V, so it works on both standard 120V branch circuits and 277V commercial lighting circuits fed from a 480/277V system. That dual rating is what lets one switch cover both office/warehouse lighting and general 120V receptacle-side loads.
2) Will a 20A industrial toggle switch accept #10 THHN, or do I need to pigtail down to #12?
No pigtail needed. The Cooper AH1221W accepts #14 through #10 AWG on its screw terminals, so a 20A circuit run in #12 or a voltage-drop run upsized to #10 lands directly on the device.
3) Is a single-pole switch the right choice, or do I need a three-way?
Single-pole is for one switch controlling one circuit from one location. The Cooper AH1221W is a single-pole toggle, so if you need the same lights switched from two doorways you need a three-way device instead. For a single control point on an industrial lighting or equipment circuit, single-pole is the correct configuration.
4) Does the Cooper AH1221W support back wiring, or is it side screws only?
Both. The AH1221W is a back-and-side wire device with screw connectors, so you can land conductors straight into the back clamps or wrap them under the side screws, whichever makes up better in a crowded box. There are no push-in stab connections to worry about here.
5) What is the difference between an industrial grade switch like this and a residential grade one?
The AH1221W is built to an industrial grade spec with a polycarbonate body and a brass terminal enclosure, rated for the full 20A rather than the 15A a light-duty residential toggle typically carries. Polycarbonate takes impact and the brass terminal enclosure holds up to repeated terminations, which is what matters in a plant, warehouse, or high-cycle commercial opening.
6) Will this Cooper toggle switch fit a standard wall box with a normal wall plate?
Yes. The AH1221W is a flush-mount toggle device, so it mounts on the standard strap in a single-gang or ganged wallbox and takes a conventional toggle-opening wall plate. Plates are ordered separately.
7) Can I use this toggle switch to control a motor or equipment load?
It is specified for industrial applications including motor and equipment switching circuits, at 20A, 120/277V. Confirm your motor's full-load and locked-rotor current fall inside that 20A rating before using it as the controller.
8) Will this switch match the other white devices in my building?
The AH1221W is white, so it lines up with white toggles, receptacles, and plates already in service. It is a single model with no other color offered, so if your facility is standardized on ivory, gray, or black you will need a different device.
9) What is the exact part number to order this Cooper 20A white industrial toggle switch?
Order Cooper Wiring Devices AH1221W. It is a single-pole, 20A, 120/277V industrial grade toggle in white with back-and-side screw wiring, and it is the only model on the line.
How fast can I get the Cooper Wiring Devices AH1221W 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 AH1221W come with a warranty?
Absolutely. The Cooper Wiring Devices AH1221W 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 AH1221W?
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 Cooper Wiring Devices AH1221W from ZenSupply?
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