Eaton TR7766B-BOX USB Charger Receptacle - cULus Listed
Part Number: TR7766B-BOX
Quick Summary
The Eaton TR7766B-BOX USB charger receptacle is a combined USB charging port and duplex outlet designed for 125 V circuits in commercial and industrial spaces. This integration addresses the common challenge of cluttered power strips and multiple devices by delivering power and USB charging from a single device. With cULus Listed certification and NEMA 5-20R compatibility, it meets essential safety and performance standards for demanding environments. The solution also supports flush mounting and a decorator-style form factor, offering clear value for panel builders and facilities teams seeking streamlined installations, reduced component counts, and safer charging in workstations and maintenance areas.
Product Information
Extended Description
TR7766B-BOX Eaton: Eaton combination 3.6A USB charger with duplex receptacle, 20A, 125V, B
Product Name
Eaton combination USB charger with duplex receptacle
Catalog Number
TR7766B-BOX
UPC
032664767036
Product Length/Depth
1.4 in
Product Height
4.19 in
Product Width
1.3 in
Product Weight
0.793 lb
Certifications
cULus Listed
Type
Type A
Amperage Rating
20A
Voltage rating
125 V
Contact material
Brass
Features
Tamper resistant 3.6A Charging
Wiring method
Screw terminals
Number of wires
Three-wire
Mounting method
Flush
Number Of Poles
Two-pole
Packaging type
Retail Box
Color
Brown
Material
Thermoplastic
Style
Decorator
Allowable wire size
#12-14 AWG
NEMA configuration
5-20R
Torque rating
14 lbf-inch
Combination type
USB
Design type
Receptacle
Receptacle type
Two-pole, three-wire, grounding
USB Duplex Receptacle Devices Brochure
Fast and convenient charging made easy with Eaton's USB receptacles
Fast and convenient charging made easy with Eaton's USB receptacles
Fast and convenient charging made easy with Eaton's USB receptacles
Combination USB 3.6A charger with TR duplex receptacle
Combination USB 3.6A charger with TR duplex receptacle
Feature → Business Impact → Application: USB charging integrated with a 20A, 125V duplex receptacle reduces inventory and installation time by combining two functions into one device, cutting labor costs and space requirements for panel upgrades. Application: ideal for maintenance benches, control panels, and wall boxes where desk devices need charging without sacrificing a standard outlet. Feature → Business Impact → Application: Tamper resistant design enhances safety compliance in high-traffic areas, minimizing accidental contact and safeguarding sensitive equipment in manufacturing floors and labs. Application: suitable for environments with mixed-use personnel access and equipment charging needs. Feature → Business Impact → Application: Screw terminals and support for #12-14 AWG wire simplify field wiring, shorten commissioning, and improve reliability in new builds and retrofits. Application: wiring in flush-mount electrical boxes and wall enclosures. Feature → Business Impact → Application: NEMA 5-20R compatibility and brass contact material provide robust, reliable power delivery with long-term durability in industrial racks and control panels. Application: heavy-use outlets in warehouses and machine rooms. Feature → Business Impact → Application: Thermoplastic material and countdown torque rating of 14 lbf-in ensure consistent performance under typical vibrations and thermal cycling, supporting compliance with industry standards. Application: equipment enclosures in manufacturing and utility spaces. Feature → Business Impact → Application: 3.6A USB charging capacity supports modern devices without overloading circuits while maintaining overall power integrity, reducing need for separate USB adapters. Application: shared workstations and service desks in industrial facilities with limited power margins.
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FAQs
To install, mount the device flush in the box, connect wiring via the screw terminals using #12-14 AWG conductors, and tighten to the recommended torque of 14 lbf-in. Ensure you follow all local codes and verify the NEMA 5-20R configuration. This approach minimizes wiring errors and speeds up the retrofit or new-install process.
Yes. The TR7766B-BOX combines a USB charger with a duplex receptacle configured as a NEMA 5-20R, Type A. It integrates into standard 125 V circuits, reducing the need for separate USB outlets while maintaining compatibility with existing 5-20R devices.
This unit is cULus Listed, indicating compliance with applicable U.S. and Canadian safety standards for electrical devices. Compliance helps with regulatory approvals, improves buyer confidence in industrial environments, and supports safer integration into panels, workstations, and service areas.
Combining USB charging with a duplex receptacle reduces component count, saves panel space, and simplifies maintenance by providing both power and charging in one location. This is particularly valuable in tool rooms, maintenance bays, and control panels where space is at a premium and downtime is costly.
The TR7766B-BOX uses screw terminals and accepts #12-14 AWG conductors. It is designed for flush mounting with a two-pole, three-wire grounding configuration, and offers a torque rating of 14 lbf-in to ensure a secure, durable connection in industrial environments.