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The COOPER WIRING DEVICES CS115B is a single-pole, commercial-grade toggle wall switch rated for 15 amps across a wide voltage range of 120 to 277 VAC. Designed for single-phase fluorescent lighting circuits, it handles the demands of commercial environments where durability and code compliance matter. The switch carries UL 20 and CSA C22.2 No. 111 certifications, and its housing meets UL 94 V-0 flammability ratings. Finished in brown, the CS115B suits installations where a neutral or earth-tone device plate is specified. Electricians install this switch in offices, retail spaces, warehouses, and similar facilities where a reliable, heavy-duty toggle control is required.
The CS115B is suited for commercial and light-industrial applications involving fluorescent lighting loads on single-phase systems. Its wide voltage rating — 120 to 277 VAC — makes it compatible with both standard 120-volt branch circuits and higher-voltage 277-volt fluorescent lighting circuits commonly found in commercial panel layouts. This flexibility reduces the need to stock separate switching devices for different circuit voltages on the same job.
Designed as a commercial-grade, single-pole toggle replacement or new-installation switch for fluorescent lighting branch circuits operating at 120 to 277 VAC, single phase.
Installation should be performed by a licensed electrician in accordance with the NEC and applicable local codes. De-energize the circuit at the breaker and verify the absence of voltage with a meter before making any wiring connections. The 277-volt rating requires attention to proper wire insulation ratings and appropriate enclosure selection for the installation environment. Confirm the switch is not used on dimming circuits, as this is a non-dimmer device.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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