Cooper Wiring Devices AH1221W 20A Industrial Toggle Switch

Product Description

The COOPER WIRING DEVICES AH1221W is a single-pole industrial-grade toggle wall switch rated for 20 amps across a wide voltage range of 120 to 277 volts AC. Built for demanding environments, it carries an industrial grade rating and meets ANSI C-73, UL 20 File E18704, and UL 94 standards. The switch is specifically suited for fluorescent lighting circuits and is finished in white. Its operating temperature range of -4 to 140 degrees F makes it appropriate for use in both conditioned and unconditioned commercial or industrial spaces. Licensed electricians are the primary installers for this device in commercial and industrial retrofit or new-construction wiring projects.

This toggle switch is designed for fluorescent lighting applications in commercial, industrial, and institutional settings where standard 15-amp residential-grade devices are not code-appropriate. The 120 to 277 VAC rating allows it to function on both standard single-phase 120-volt branch circuits and on higher-voltage 277-volt lighting circuits common in commercial buildings. The white finish suits standard decorator wallplate installations. It ships as a single unit and is commonly installed by commercial electricians during panel rough-in, tenant improvement work, or lighting control upgrades.

Key Features

• 20-amp rating handles higher-load commercial fluorescent lighting circuits
• Wide voltage range of 120 to 277 VAC covers both standard and commercial lighting voltages
• Industrial grade construction for demanding commercial and light-industrial environments
• Meets ANSI C-73, UL 20 File E18704, and UL 94 standards
• Operating temperature range of -4 to 140 degrees F suits unconditioned spaces
• Single-pole toggle operation for straightforward on/off control of a lighting circuit from one location

Compatibility

Designed as an OEM-style replacement or new-installation single-pole industrial toggle switch for 20-amp fluorescent lighting branch circuits wired at 120 to 277 VAC.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize the branch circuit at the panel and verify the absence of voltage with a meter before handling wiring connections. The 277-volt rating requires attention to conductor insulation ratings; confirm all wiring and boxes are rated appropriately for the circuit voltage. Secure the device in a listed electrical box sized for the conductors present.