20 Amp Tamper-Resistant Duplex Receptacle
- 20A 125V NEMA 5-20R tamper-resistant duplex receptacle for indoor branch-circuit use
- T-slot face pattern supports true 20A receptacle identification for heavier plug-in loads
- Built-in TR shutters support NEC 406.12 installations in required occupancies
- Standard non-WR indoor format for kitchens, public interiors, education, care, and hospitality projects
- Back wire and side wire termination support routine contractor installation workflows
- Available in seven finish options for color matching across large interior deployments
Available Colors
Why a 20A TR Receptacle Matters in Kitchens, Schools, and Public Interiors
20 amp tamper resistant receptacles sit at the intersection of two code-driven needs: heavier outlet configuration and built-in child-safety protection.
The NEMA 5-20R face identifies a true 20A receptacle through its T-slot pattern, while the TR mechanism blocks foreign-object insertion unless equal pressure is applied through both slots. That makes this device relevant in indoor projects where standard 15A geometry is no longer enough, but a public-access or child-accessible environment still keeps TR protection on the specification list. Compared with a 20A non-TR model, the value here is not exemption handling or industrial restriction; it is compliant deployment in higher-demand interior spaces such as kitchens, education facilities, hospitality interiors, and other public-use commercial areas.
Who Should Use This Model
- Electrical contractors wiring interior 20A outlet locations in code-covered public or residential-adjacent spaces
- Buyers sourcing 5-20R TR receptacles for kitchens, schools, clinics, hospitality, and shared building interiors
- Distributors that need a heavier-duty TR option beyond standard 15A duplex inventory
- Project teams replacing existing 20A TR outlets where finish matching and public-space compliance both matter
When to Choose a Different Model
- Choose a 15A TR receptacle when the job uses standard NEMA 5-15R outlet geometry
- Choose a 20A non-TR receptacle only where NEC 406.12 exceptions actually remove the TR requirement
- Choose a WR or GFCI model when weather exposure or ground-fault protection is part of the installation requirement
What Buyers Should Check Before Specifying a 20A TR Outlet Specifications
| Product Code | TDT20 |
| Certified Safety | UL/cUL Listed |
| GFCI Type | Not GFCI |
| Voltage | 125V AC |
| Amperage | 20A |
| NEMA | 5-20R |
| USB Rating | None |
| USB A | None |
| USB C | None |
| Color | White, Black, Ivory, Almond, Grey, Brown, Graphite |
| Finish | Standard smooth finish |
| Application Sector | Indoor kitchens, hospitality interiors, education facilities, public-access commercial spaces, and heavy-duty interior replacement work |
| Features | Standard duplex format, grounding type, NEMA 5-20R T-slot, TR shutters, non-WR |
| Wiring Method | Back Wire and Side Wire |
| Pole | 2-pole, 3-wire grounding |
| Wall Plate Included | Yes |
| Number of Receptacles | Duplex (2) |
| Standards & Certifications | UL Listed / UL 498 |
| Grounding | Yes |
| Trip Level | Not applicable |
| Safety Function | Tamper-resistant shutter protection |
| Tamper Resistant | Yes |
| Weather Resistant | No |
| Own US Patents | Yes |
| Face Material | Thermoplastic |
| Body Material | Thermoplastic |
| Terminal | Side and Back Wire |
| Country of Origin | China |
Frequently Asked Questions (FAQ)
What exactly does this outlet tell you from the face before installation?
The face tells you two things immediately. The T-slot identifies a NEMA 5-20R receptacle, and the TR mark identifies a tamper-resistant shutter system. That combination means the device is built as a 20A receptacle with built-in insertion safety rather than as a standard 15A outlet or a non-TR 20A model.
Why would a project choose this model instead of a standard 20A receptacle?
A project chooses this model when 20A receptacle geometry alone is not enough and tamper-resistant protection must stay in the specification. That usually happens in indoor spaces where higher plug-in demand and public or child-accessible use exist at the same time.
Can this receptacle still accept ordinary 15A plugs?
Yes. A NEMA 5-20R receptacle accepts standard 15A plug patterns as well as 20A plug patterns. The T-slot expands compatibility, while the TR shutter system remains part of the receptacle regardless of which compatible plug is inserted.
Why is this model more relevant to kitchens and shared interiors than to ordinary bedrooms?
The main reason is receptacle configuration. A 20A TR receptacle belongs in locations that need a 5-20R face pattern, not in every room that simply needs TR protection. Bedrooms and other standard 15A spaces usually point to a 15A TR receptacle, while kitchens, breakrooms, and heavier-duty shared interiors are more likely to justify a 20A TR device.
Where does NEC 406.12 make tamper-resistant protection part of the code path?
NEC 406.12 requires listed tamper-resistant receptacles in dwelling units, hotel and motel guest rooms and guest suites and their common areas, child care facilities, education facilities, public-access business offices and waiting areas, dormitory units, assisted living and similar care occupancies, and other listed public-access interiors. That is why TR is a baseline requirement in many mainstream interior projects rather than a specialty add-on.
Why do some installers complain that TR receptacles feel tight during insertion?
The tighter feel comes from the shutter mechanism. A TR receptacle does not open when pressure is applied unevenly to one slot, so the plug has to enter both slots with balanced pressure before the shutters move. That resistance is part of the safety function, not a sign that the receptacle is the wrong type.
Does this product replace the need for a GFCI device in sink-side or wet-area installations?
No. Tamper-resistant protection and GFCI protection are not the same thing. This product addresses insertion safety through shutters, but it does not provide ground-fault interruption.
What is the clearest reason not to use this receptacle outdoors?
The clearest reason is that it is not weather resistant. This model is built for indoor dry locations, so outdoor or weather-exposed installations need a WR-rated receptacle and any additional protection required by the job.
Typical Use Cases for 20A Tamper-Resistant Duplex Receptacles Applications
Office Interiors
15A or 20A covers desks, printers, and displays. Back-wire terminals speed crew installation across tenant build-outs.
UL · cUL · NEMA 5-15R / 5-20R
Residential Walls
Bedrooms, hallways, and living rooms outside NEC 210.8 GFCI zones. TR versions satisfy NEC 406.12 for new builds.
UL · cUL · TR · NEC 406.12
Retail & Commercial
Retail floors and checkouts need AC drops rated for commercial duty. 20A spec-grade handles heavier loads.
UL · cUL · 20A Commercial
Warehouse & Industrial
Packing stations and utility zones run shop tools and chargers. Holds 12 AWG stranded in back-wire.
UL · cUL · 20A · NEMA 5-20R
T-Slot Face, TR Marking, and Finish Options Video Overview
5-Step Quick Wiring Guide
Follow standard U.S. wiring protocols. Always verify power is off before installation.
- Power Off & Verify: Turn off the breaker and verify the box is de-energized with a voltage tester.
- Identify Conductors: Locate the Black (Hot), White (Neutral), and Bare/Green (Ground) wires.
- Connect Ground: Secure the bare copper or green wire to the Green grounding terminal.
- Connect Neutral & Hot: Connect the White wire to the Silver terminal, and the Black wire to the Brass terminal.
- Mount & Test: Fold wires neatly into the box, mount the receptacle, install the wall plate, and restore power to test.
Product Categories
Send the target market, rating, color, quantity, packaging needs, and any TR / WR / OEM requirements before final quotation.
