20 Amp Weather-Resistant TR Duplex Receptacle
- 20A 125V NEMA 5-20R duplex receptacle with both tamper-resistant and weather-resistant construction
- T-slot face pattern supports true 20A outlet identification for heavier outdoor and utility loads
- Designed for damp and wet-location installations when used with the required protection method and enclosure
- Standard non-GFCI device format makes it suitable for downstream wiring after a 20A GFCI device or breaker
- Built for commercial exterior walls, food truck drops, park facilities, wash-down areas, and severe damp environments
- Available in seven finish options for large-scale exterior retrofit and contractor pack sourcing
Available Colors
What the T-slot, TR mark, and WR rating mean on one device
The outdoor 20A category is where mis-specification gets expensive fast. A standard indoor outlet will not survive the same moisture and exposure profile, and a weather-resistant device still does not eliminate the need for upstream GFCI protection where the installation requires it. This 20 amp weather resistant receptacle is for contractors who need all three layers separated correctly: 20A 5-20R outlet geometry for heavier plug-in loads, WR construction for damp and wet environments, and TR shutters for public-facing or child-accessible locations where tamper resistance stays in the compliance path. That makes it a strong fit for exterior maintenance points, municipal parks, outdoor dining, food-truck drops, wash-down areas, and similar commercial locations where a downstream standard receptacle must still be tough, code-aware, and lower-cost than putting a GFCI device at every box.
Who Should Use This Model
- Contractors building 20A outdoor branch-circuit runs for commercial plazas, dining patios, stadium concourses, parks, and event infrastructure
- Buyers sourcing downstream 5-20R receptacles after one upstream 20A GFCI device
- Facility teams replacing failed outdoor 20A outlets in wet, corrosive, or wash-down environments
- Distributors serving municipal, hospitality, landscape, and exterior maintenance contractors that need a TR/WR heavy-duty standard receptacle
When to Choose a Different Model
- Choose a 20A WR GFCI receptacle when the device itself must provide local GFCI protection
- Choose a 15A TR/WR receptacle when the project does not need NEMA 5-20R outlet geometry
- Choose an indoor TR receptacle only when the installation is fully dry and not exposed to damp or wet conditions
Built for 20A outdoor loads where standard indoor outlets fail Specifications
| Product Code | TDTW20 |
| 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 | Commercial outdoor circuits, exterior maintenance points, food truck drops, wash-down areas, municipal facilities, and severe damp industrial locations |
| Features | Standard duplex format, grounding type, NEMA 5-20R T-slot, TR shutters, WR construction, non-GFCI |
| 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 with weather-resistant construction |
| Tamper Resistant | Yes |
| Weather Resistant | Yes |
| Own US Patents | Yes |
| Face Material | Thermoplastic |
| Body Material | Thermoplastic |
| Terminal | Side and Back Wire |
| Country of Origin | China |
Frequently Asked Questions (FAQ)
What do the T-slot, TR mark, and WR mark tell you before installation?
They identify three different things at once. The T-slot shows that the receptacle is NEMA 5-20R, the TR mark confirms tamper-resistant shutters, and the WR mark confirms weather-resistant construction for damp or wet-location use when the installation method is correct.
Can this 20A TR/WR receptacle be used outdoors without upstream GFCI protection?
No. This is a standard TR/WR receptacle, not a GFCI device. Outdoor commercial and public-space installations still require the proper GFCI protection path where the code applies, even when the receptacle itself is weather resistant.
Why is a 20A WR receptacle different from a 15A WR receptacle in real project use?
The practical difference is outlet geometry and load category. A 20A receptacle uses the 5-20R T-slot pattern for projects that need a true 20A receptacle configuration, while a 15A WR device is for standard 5-15R applications and lighter plug-pattern requirements.
Does a wet-location installation still need an extra-duty cover if the receptacle is marked WR?
Yes. NEC 406.9(B)(1) requires 15A and 20A receptacles in wet locations to be protected by a weatherproof enclosure whether or not a plug is inserted, and the cover must be identified as extra-duty.
Why do contractors use this type of receptacle downstream after one 20A GFCI device?
They use it to reduce total device cost on long outdoor runs. One upstream 20A GFCI device can provide feed-through protection, while downstream TR/WR receptacles maintain outdoor durability and public-space safety at each additional outlet point.
Can this receptacle serve commercial outdoor loads like pressure washers, food truck hookups, or utility maintenance tools?
Yes. That is one of the main reasons to specify a 20A TR/WR receptacle. The 5-20R face pattern is intended for projects that need heavier-duty 20A receptacle geometry in an outdoor or severe damp-location setting.
Why does the TR feature still matter on an outdoor heavy-duty receptacle?
Because weather exposure and insertion safety solve different problems. The WR rating helps the receptacle survive harsher conditions, while the TR shutters address tamper-resistant protection in covered installation types where the code still requires it.
What is the clearest mistake to avoid when specifying this product?
The clearest mistake is treating WR as if it replaces GFCI or treating a 20A receptacle as if it belongs on any standard branch circuit. This device needs the right 20A application, the right protection path, and the right enclosure method.
Where to use a 20A TR WR duplex receptacle outdoors 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
outdoor-ready 5-20R construction and face identification 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.
