{ "version": "2026-10-20", "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.", "slug": "wall-plate-duplex-us", "name": "US duplex receptacle wall plate: opening numbers", "kind": "standard", "category": "Home & kitchen", "group": "Household", "year": null, "question": "What size is the opening in a US duplex receptacle wall plate?", "tags": [ "wall plate", "outlet cover", "receptacle", "electrical", "standard" ], "aliases": [ "duplex outlet cover dimensions", "duplex receptacle plate opening size", "outlet plate size" ], "overall_mm": { "length": null, "width": null, "height": null }, "official_cad": false, "xem_status": "not-scanned", "les": false, "free_files": 0, "url": "https://xemstudio.com/objects/wall-plate-duplex-us/", "sheet_txt": "https://xemstudio.com/objects/wall-plate-duplex-us/sheet.txt", "sheet": { "basis": "Arrow Hart / Hubbell Wallplate Dimensional Information (J-2); the opening drawing could not be read, so numbers only", "overall_mm": { "length": null, "width": null, "height": null }, "notes": [ "The catalog prints three duplex opening numbers: 0.76 in (19.4 mm), 1.31 in (33.3 mm) and 2.65 in (67.4 mm). The text of the page does not say which number belongs to which part of the outline, so Xem publishes no file: guessing the outline would break the true-size rule.", "A retailer describes the opening as 1-1/8 in high by 1-11/32 in wide at the widest point of each half, with flat tops and bottoms. That differs from the catalog, so measure your own plate before designing a cover.", "Plate outlines, gang spacing and screw spacing are the same as on the toggle and Decora plate pages. Duplex plates use one centre screw into the receptacle.", "Plate thickness, edge radii and bevel are not published." ], "table": { "columns": [ "parameter", "value" ], "rows": [ [ "opening numbers as printed", "0.76 in (19.4 mm), 1.31 in (33.3 mm), 2.65 in (67.4 mm)" ], [ "outline, gang spacing", "see the toggle plate page" ], [ "device mounting-strap hole spacing, box ears", "3-9/32 in (83.3 mm)" ] ] } }, "sheet_text": "US duplex receptacle wall plate: opening numbers — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/wall-plate-duplex-us/ (sheet CC BY 4.0)\nBasis: Arrow Hart / Hubbell Wallplate Dimensional Information (J-2); the opening drawing could not be read, so numbers only\nCatalog version: 2026-10-20\n\nSizes: see table below\n- The catalog prints three duplex opening numbers: 0.76 in (19.4 mm), 1.31 in (33.3 mm) and 2.65 in (67.4 mm). The text of the page does not say which number belongs to which part of the outline, so Xem publishes no file: guessing the outline would break the true-size rule.\n- A retailer describes the opening as 1-1/8 in high by 1-11/32 in wide at the widest point of each half, with flat tops and bottoms. That differs from the catalog, so measure your own plate before designing a cover.\n- Plate outlines, gang spacing and screw spacing are the same as on the toggle and Decora plate pages. Duplex plates use one centre screw into the receptacle.\n- Plate thickness, edge radii and bevel are not published.\n\nparameter value\nopening numbers as printed 0.76 in (19.4 mm), 1.31 in (33.3 mm), 2.65 in (67.4 mm)\noutline, gang spacing see the toggle plate page\ndevice mounting-strap hole spacing, box ears 3-9/32 in (83.3 mm)\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Arrow Hart / Hubbell Wiring (via Elliott Electric): Wallplate Dimensional Information, catalog pages J-2 and J-3 — web — Publisher's page; dimensions are facts — https://www2.elliottelectric.com/Media/68-EWD-1045-1-Other\n- Kyle Switch Plates: Screw hole spacing on electrical wall plate covers — web — Publisher's page; dimensions are facts — https://kyleswitchplates.com/screw-hole-spacing-on-electrical-wall-plate-covers\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=wall-plate-duplex-us\n", "sources": [ { "publisher": "Arrow Hart / Hubbell Wiring (via Elliott Electric)", "title": "Wallplate Dimensional Information, catalog pages J-2 and J-3", "url": "https://www2.elliottelectric.com/Media/68-EWD-1045-1-Other", "formats": [ "web" ], "license": "Publisher's page; dimensions are facts", "license_verified": true, "hosted": false }, { "publisher": "Kyle Switch Plates", "title": "Screw hole spacing on electrical wall plate covers", "url": "https://kyleswitchplates.com/screw-hole-spacing-on-electrical-wall-plate-covers", "formats": [ "web" ], "license": "Publisher's page; dimensions are facts", "license_verified": true, "hosted": false } ], "xem": { "status": "not-scanned", "sheet_free": true, "mesh_price_usd": null, "step_price_usd": null, "tolerance_mm": null }, "related": [ "wall-plate-toggle-us", "wall-plate-decora-us", "device-boxes-us" ], "fits": [], "dimensions": "exact (nominal, no printing tolerance)", "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.", "mating": [], "faq": [ { "q": "How wide is a duplex outlet plate opening?", "a": "The catalog prints 2.65 in (67.4 mm) overall, 1.31 in (33.3 mm) and 0.76 in (19.4 mm) without saying which feature is which." } ], "files_license": null, "offers": [], "markdown": "https://xemstudio.com/objects/wall-plate-duplex-us/index.md" }