Eaton slim GFCI receptacle TWRGF20BK - cULus Listed NOM
Part Number: TWRGF20BK
Quick Summary
Eaton slim GFCI receptacle provides reliable ground-fault protection for outlets in demanding commercial and industrial settings. In challenging environments, nuisance trips and weather exposure threaten uptime, driving maintenance costs and safety concerns. Certified cULus Listed and NOM ensure compliant installations across North American and Mexican codes. Its slim design, 20A at 125V, and self-test capability deliver improved efficiency for installers and building managers. With back and side wiring capable of #14-10 AWG and a NEMA 5-20R configuration, it fits standard electrical boxes and ED Box packaging. The tamper-resistant and weather-resistant features further reduce maintenance cycles and support ongoing code compliance across facilities.
Product Information
Extended Description
TWRGF20BK Eaton: Eaton tamper and weather-resistant, self-test GFCI, 20A, 125V, Black, Slim design
Product Name
Eaton slim GFCI receptacle
Catalog Number
TWRGF20BK
UPC
032664013362
Product Length/Depth
1.03 in
Product Height
4.19 in
Product Width
1.69 in
Product Weight
3.9 lb
Warranty
Refer to warranty document.
Certifications
cULus Listed NOM
Special features
Slim design
Type
Self-test
Amperage Rating
20A
Voltage rating
125V
Circuit interrupter type
GFCI
Packaging type
ED Box
Features
Tamper resistant Weather resistant FedSpec Certified
Wiring method
Back and side wire
Allowable wire size
#14-10 AWG
NEMA configuration
5-20R
Torque rating
16 lbf-in
Color
Black
Controlled slim GFCI spec sheet
Controlled slim GFCI spec sheet
Controlled slim GFCI spec sheet
Controlled slim GFCI spec sheet
Controlled slim GFCI spec sheet
Controlled slim GFCI spec sheet
Feature Slim design → Business Impact Space savings in shallow boxes and crowded panels, reducing box fill and material costs. Application Perfect for retrofit projects and compact panel layouts where every inch matters. Feature Self-test GFCI, 20A, 125V → Business Impact Improves safety verification and reduces nuisance trips, supporting regulatory compliance. Application Ideal for institutional corridors, labs, and manufacturing floors where continuous protection is critical. Feature Tamper-resistant + Weather resistant design → Business Impact Enhances safety and reliability in damp or outdoor environments, lowering maintenance cycles. Application Outdoor enclosures, washdown areas, and exposed wall outlets benefit from durable, code-compliant performance. Feature Back and side wiring for #14-10 AWG → Business Impact Streamlines installation with flexible wiring options, reducing labor time and errors. Application Useful in retrofit and new-construction projects with varied cable routing. Feature NEMA 5-20R configuration → Business Impact Ensures compatibility with common 120V-20A receptacles, simplifying panel design and stocking. Application Ideal for general purpose outlets in commercial spaces and facilities with standardized plug types. Feature ED Box packaging → Business Impact Facilitates safe shipment and on-site handling, speeding up job readiness. Application Supports field installs in contractor-grade projects and larger facilities.
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FAQs
The TWRGF20BK supports back and side wiring for #14-10 AWG conductors, enabling flexible installation in both retrofit and new-build projects. Use a torque of 16 lbf-in to secure connections, and ensure the wiring matches the NEMA 5-20R configuration for proper fit and safety. This versatility minimizes the number of different devices required on-site and reduces labor time during box fill calculations.
The TWRGF20BK is a self-test GFCI rated at 20A, 125V, with tamper-resistant and weather-resistant features. Its self-test capability continuously verifies the circuitry integrity, helping prevent undetected ground faults. This reliability translates to fewer disruptive trips, improved safety for personnel, and easier compliance with essential electrical codes in industrial environments.
The device uses a NEMA 5-20R configuration and supports #14-10 AWG conductors. This combination aligns with common 120V-20A outlet standards, simplifying panel design and inventory. When wiring, verify the torque specification of 16 lbf-in to maintain a secure connection and reduce the risk of loose terminals in vibration-prone facilities.
Yes. The TWRGF20BK carries cULus Listed and NOM certifications, ensuring compliance with North American electrical codes and Mexican installation standards. These certifications support safer operation, reduce inspection friction, and help meet corporate requirements for supplier qualification and facility safety programs.
Consider its slim design for shallow enclosures to minimize box fill, use the ED Box packaging for easier field handling, and leverage the back/side wiring flexibility to reduce wiring runs. The self-test and tamper-resistant features lower maintenance costs by minimizing nuisance trips and increasing safety, contributing to faster installs and longer equipment life, ultimately boosting ROI.