The Eaton / Cooper Wiring Devices TR274W is a high‑quality, commercial‑grade combination device designed for environments that demand maximum reliability, safety, and longevity. Featuring a single‑pole toggle switch paired with a tamper‑resistant duplex receptacle, the TR274W provides a space‑efficient solution that maintains modern safety standards without sacrificing rugged performance. Built with reinforced thermoplastic construction, a corrosion‑resistant steel mounting strap, and long‑lasting internal contact assemblies, this device is engineered to withstand heavy daily use in commercial, institutional, and residential settings.

With its crisp white finish and streamlined design, the TR274W blends seamlessly with modern décor while providing the functional advantages of a commercial‑grade electrical device. Its automatic grounding system, neon pilot light, and installer‑friendly wiring options further enhance ease of installation and dependable performance. Whether used in multi‑tenant buildings, offices, hotels, or upgraded residential installations, the TR274W delivers unmatched durability and convenience in one compact unit.

Key Features

• Combination device featuring a single‑pole toggle switch paired with a duplex 5‑15R receptacle for space‑saving versatility.
• Tamper‑Resistant shutters designed to help prevent insertion of foreign objects, enhancing safety in public or residential settings.
• Neon pilot indicator that illuminates when the switch is ON, ideal for dark rooms, utility areas, and commercial spaces.
• Automatic grounding system eliminates the need for a bonding jumper in grounded metal enclosures.
• Triple‑wipe blade contacts and double‑wipe ground contacts ensure strong plug retention and long‑term reliability.
• Heavy‑duty thermoplastic toggle, top body, and back body, designed for durability under high‑traffic usage.
• Zinc‑plated steel mounting strap for improved corrosion resistance during long-term installation.
• Supports back and side wiring with #14–#12 AWG copper conductors for installer flexibility.
• Designed as a commercial‑grade device suitable for demanding, long‑use installations.

Specifications

Electrical

• Switch Rating: 15A, 120V AC, single‑pole toggle.
• Receptacle Rating: 15A, 125V AC, NEMA 5‑15R, 2‑pole, 3‑wire grounding.
• Wiring Compatibility: Accepts #14–#12 AWG copper conductors.
• Wiring Method: Back and side wired for installation versatility.

Construction & Design

• Body, toggle, and backbody made of durable thermoplastic materials.
• Injection‑molded PVC housings that meet UL94 V0 flammability standards.
• Integrated strap and body construction using ultrasonic welding for superior ground integrity.
• Zinc‑plated steel mounting strap provides structural strength and corrosion resistance.
• Color: White.

Environmental

• Operating Temperature Range: –20°C to 60°C (–4°F to 140°F).
• Suitable for indoor commercial and residential environments.

Certifications

• UL listed (U.S. & Canada)
• NOM listed
• RoHS compliant

Applications

The TR274W is ideal for a wide range of installations where durability, safety, and compact functionality are required, including:

• Commercial buildings such as offices, hotels, schools, retail areas, and institutional facilities.
• Residential installations, especially where tamper‑resistant safety is mandated or preferred.
• Multi‑unit housing, including apartments and condominiums, where combination devices enhance efficiency.
• Renovation and modernization projects, especially when a single‑gang box must accommodate both switch and receptacle needs.
• Utility rooms, hallways, basements, and maintenance areas requiring illuminated switch indication and durable receptacle performance.