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- 20A GFCI outlet format for higher-amperage indoor protection applications
- NEMA 5-20R face with the characteristic T-slot configuration
- Self-test monitoring function for current GFCI replacement needs
- Non-tamper-resistant face for specifications that do not call for TR
- Non-weather-resistant design intended for indoor positioning
Why Choose ShengYu
- North America Market Expertise
- Stable Production, Reliable Quality
- OEM / ODM for Brand Growth
- Commercial Project Supply Support
- Private Label & Packaging Customization
Available Colors
20A Self-Test GFCI Outlet Description
20A Self-Test GFCI Receptacle is a GFCI outlet designed for indoor commercial maintenance, equipment-support applications, and other higher-amperage locations that need ground-fault protection in a NEMA 5-20R wall device. It features a 20A rating, self-test monitoring functionality, a NEMA 5-20R T-slot face, a non-TR design, a non-WR construction, and UL-listed GFCI certification context. It is suitable for contractors, distributors, and MRO or facility buyers sourcing standard 20A indoor GFCI replacements for North American installations.
NEMA 5-20R GFCI Outlet Features
| Product Code | TS20 |
| Certified Safety | UL, cUL |
| GFCI Type | Self-Test GFCI, Class A GFCI |
| Voltage | 125V |
| Amperage | 20A |
| NEMA | 5-20R |
| Color | White,Ivory,Almond,Black,Grey,Brown,Graphite |
| Finish | Satin |
| Operating Temperature | -35C to 66C(-30F to 150F) |
| Application Sector | Commercial, Multi-Dwelling Unit, Residential |
| Features | Alarm, Self-Test |
| Wiring Method | Back Wire and Side Wire |
| Pole | 2 |
| Wire | 3 |
| Wall Plate Included | Yes |
| Number of Receptacles | 2 |
| Standards & Certifications | UL/CSA, NEMA WD6 |
| Grounding | Self Grounding |
| Trip Level | Class A, 5mA plus or minus 1mA |
| Tamper Resistant | None |
| Weather Resistant | None |
| Own US Patents | Yes |
| Face Material | Thermoplastic |
| Body Material | Thermoplastic |
| Terminal | Brass-Hot, Green-Ground, Silver-Neutral |
| Country of Origin | China |
Frequently Asked Questions (FAQ)
What is a 20A self-test GFCI outlet used for?
A 20A self-test GFCI outlet is used for indoor applications that need ground-fault protection in a higher-amperage wall device, especially where a NEMA 5-20R receptacle format is part of the project specification.
How can I identify a 20A GFCI outlet?
A 20A GFCI outlet is commonly identified by its NEMA 5-20R face configuration, which includes the characteristic T-slot pattern that distinguishes it from a standard 15A receptacle format.
Do self-test GFCI outlets meet current UL requirements?
GFCI receptacle products are certified within the UL 943 framework for this product category. Final compliance for a specific item should be confirmed by its actual listing, markings, and product documentation.
Does a 20A GFCI outlet require a 20A breaker or 12 AWG wire?
Breaker size and conductor selection should be confirmed from the product instructions, branch-circuit design, wiring diagram, and applicable code requirements. They should not be assumed from the outlet’s charging-free face design or amperage label alone.
How do I read the wiring diagram for a 20A GFCI outlet?
The wiring diagram is used to distinguish line and load connections and to support correct installation planning. Final wiring should always follow the exact diagram and instructions supplied with the product.
What are the NEC considerations for using a non-TR 20A GFCI outlet?
NEC tamper-resistant receptacle rules under Section 406.12 apply to many 15A and 20A nonlocking receptacles in specified occupancies and locations. For a non-TR 20A GFCI outlet, suitability must be checked against the exact installation environment and the locally adopted code edition before use.
Product Overview
5-Step Quick Wiring Guide for GFCI Receptacles
This is a general wiring reference for standard U.S. GFCI receptacle installation. Always turn off power first and verify local code and product-specific instructions before installation.
- Turn Off Power: Switch off the breaker and verify the electrical box is de-energized with a voltage tester.
- Identify LINE and LOAD: Locate the incoming power cable for the LINE terminals. If a second cable feeds downstream receptacles, identify it as LOAD and use it only when downstream GFCI protection is required.
- Connect the LINE Wires: Connect the incoming hot wire to the brass LINE terminal, the incoming neutral wire to the silver LINE terminal, and the ground wire to the green grounding terminal.
- Connect LOAD Only If Needed: If downstream protection is required, connect the outgoing hot wire to the brass LOAD terminal and the outgoing neutral wire to the silver LOAD terminal. Do not reverse LINE and LOAD.
- Mount and Test the GFCI: Fold the wires neatly into the box, mount the receptacle and wall plate, restore power, press RESET, then press TEST to confirm proper operation before resetting again.