{
 "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-decora-us",
 "name": "US Decora / GFCI rocker wall plate: outline, opening, screw holes (template)",
 "kind": "standard",
 "category": "Home & kitchen",
 "group": "Household",
 "year": null,
 "question": "What are the dimensions of a US Decora or GFCI rocker wall plate opening and screw holes?",
 "tags": [
  "wall plate",
  "switch plate",
  "outlet cover",
  "electrical",
  "standard",
  "nema wd 6"
 ],
 "aliases": [
  "decora wall plate dimensions",
  "decora switch plate opening size",
  "wall plate stl",
  "jumbo wall plate size",
  "midway wall plate size",
  "switch plate screw spacing",
  "decorator opening size"
 ],
 "overall_mm": {
  "length": 69.8,
  "width": 114.3,
  "height": 2
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 9,
 "url": "https://xemstudio.com/objects/wall-plate-decora-us/",
 "sheet_txt": "https://xemstudio.com/objects/wall-plate-decora-us/sheet.txt",
 "sheet": {
  "basis": "Arrow Hart / Hubbell Wallplate Dimensional Information (J-2, J-3); screw spacing per Kyle Switch Plates",
  "overall_mm": {
   "length": 69.8,
   "width": 114.3,
   "height": 2
  },
  "notes": [
   "Decora (rocker, GFCI) wall plate, US: outline, opening and screw holes for standard (4.50 in high), midway (mid-size, 4.87 in) and jumbo (oversize, 5.25 in) plates, 1 to 3 gang.",
   "The 18 files are templates, not the real plate profile: 2 mm thick, with true-size outline, openings and screw holes. Plate thickness, edge radii and bevel are not published, so none is modelled.",
   "Screw hole size is the 3/16 in bottom of the countersink quoted by a plate retailer; the real holes are countersunk for #6-32 oval-head screws.",
   "Heights are printed in inches (mid-size 4.87 in, which other lists round to 4.88 in); widths are printed in mm. Gang positions are 46.0 mm apart from the plate centre.",
   "Decora and GFCI rocker plates share one opening; Decora is a Leviton trade name, used here only to say which opening fits."
  ],
  "table": {
   "columns": [
    "parameter",
    "value"
   ],
   "rows": [
    [
     "standard outline (height x width, 1 / 2 / 3 gang)",
     "114.3 x 69.8 / 115.9 / 161.9 mm"
    ],
    [
     "midway outline (height x width, 1 / 2 / 3 gang)",
     "123.7 x 79.4 / 125.4 / 171.4 mm"
    ],
    [
     "jumbo outline (height x width, 1 / 2 / 3 gang)",
     "133.3 x 88.9 / 134.9 / 182.2 mm"
    ],
    [
     "first opening centre from the side edge (standard / midway / jumbo)",
     "34.9 / 39.7 / 44.4 mm"
    ],
    [
     "gang to gang",
     "46.0 mm (1.81 in)"
    ],
    [
     "decora opening (width x height)",
     "33.3 x 67.1 mm (1.31 x 2.64 in)"
    ],
    [
     "plate screw holes",
     "96.7 mm apart vertically at each opening centre (3.812 in); 4.76 mm (3/16 in) through"
    ],
    [
     "device mounting-strap hole spacing, box ears",
     "3-9/32 in (83.3 mm)"
    ],
    [
     "plate thickness, edge radius, bevel",
     "not published: files are a 2 mm template"
    ]
   ]
  }
 },
 "sheet_text": "US Decora / GFCI rocker wall plate: outline, opening, screw holes (template) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/wall-plate-decora-us/  (sheet CC BY 4.0)\nBasis: Arrow Hart / Hubbell Wallplate Dimensional Information (J-2, J-3); screw spacing per Kyle Switch Plates\nCatalog version: 2026-10-20\n\nOverall (mm): length 69.8, width 114.3, height 2.0\n- Decora (rocker, GFCI) wall plate, US: outline, opening and screw holes for standard (4.50 in high), midway (mid-size, 4.87 in) and jumbo (oversize, 5.25 in) plates, 1 to 3 gang.\n- The 18 files are templates, not the real plate profile: 2 mm thick, with true-size outline, openings and screw holes. Plate thickness, edge radii and bevel are not published, so none is modelled.\n- Screw hole size is the 3/16 in bottom of the countersink quoted by a plate retailer; the real holes are countersunk for #6-32 oval-head screws.\n- Heights are printed in inches (mid-size 4.87 in, which other lists round to 4.88 in); widths are printed in mm. Gang positions are 46.0 mm apart from the plate centre.\n- Decora and GFCI rocker plates share one opening; Decora is a Leviton trade name, used here only to say which opening fits.\n\nparameter  value\nstandard outline (height x width, 1 / 2 / 3 gang)  114.3 x 69.8 / 115.9 / 161.9 mm\nmidway outline (height x width, 1 / 2 / 3 gang)  123.7 x 79.4 / 125.4 / 171.4 mm\njumbo outline (height x width, 1 / 2 / 3 gang)  133.3 x 88.9 / 134.9 / 182.2 mm\nfirst opening centre from the side edge (standard / midway / jumbo)  34.9 / 39.7 / 44.4 mm\ngang to gang  46.0 mm (1.81 in)\ndecora opening (width x height)  33.3 x 67.1 mm (1.31 x 2.64 in)\nplate screw holes  96.7 mm apart vertically at each opening centre (3.812 in); 4.76 mm (3/16 in) through\ndevice mounting-strap hole spacing, box ears  3-9/32 in (83.3 mm)\nplate thickness, edge radius, bevel  not published: files are a 2 mm template\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- Kyle Switch Plates: Switch plate screw size, spacing and length options — web — Publisher's page; dimensions are facts — https://www.kyleswitchplates.com/switch-plate-screw-size-spacing-length-options/\n- Hubbell Wiring: Jumbo wallplate catalog page (5.25 x 3.50 in, 2-gang 5.31 in) — web — Publisher's page; dimensions are facts — https://hubbellcdn.com/catalogpage/BRY_Q-14_CatalogPage.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 9 parts): https://xemstudio.com/files/hardware/wall-plate-decora-us/index.json\nAPI: https://xemstudio.com/api/geometry?object=wall-plate-decora-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
  },
  {
   "publisher": "Kyle Switch Plates",
   "title": "Switch plate screw size, spacing and length options",
   "url": "https://www.kyleswitchplates.com/switch-plate-screw-size-spacing-length-options/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Hubbell Wiring",
   "title": "Jumbo wallplate catalog page (5.25 x 3.50 in, 2-gang 5.31 in)",
   "url": "https://hubbellcdn.com/catalogpage/BRY_Q-14_CatalogPage.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "wall-plate-duplex-us",
  "wall-plate-toggle-us",
  "device-boxes-us",
  "metal-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 big is the decora opening?",
   "a": "33.3 x 67.1 mm (1.31 x 2.64 in)."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "decora-plate-1-gang-standard",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-1-gang-standard.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-1-gang-standard.stl",
   "note": "1-gang standard decora plate TEMPLATE, 69.8 x 114.3 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-2-gang-standard",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-2-gang-standard.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-2-gang-standard.stl",
   "note": "2-gang standard decora plate TEMPLATE, 115.9 x 114.3 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-3-gang-standard",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-3-gang-standard.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-3-gang-standard.stl",
   "note": "3-gang standard decora plate TEMPLATE, 161.9 x 114.3 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-1-gang-midway",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-1-gang-midway.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-1-gang-midway.stl",
   "note": "1-gang midway decora plate TEMPLATE, 79.4 x 123.7 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-2-gang-midway",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-2-gang-midway.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-2-gang-midway.stl",
   "note": "2-gang midway decora plate TEMPLATE, 125.4 x 123.7 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-3-gang-midway",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-3-gang-midway.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-3-gang-midway.stl",
   "note": "3-gang midway decora plate TEMPLATE, 171.4 x 123.7 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-1-gang-jumbo",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-1-gang-jumbo.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-1-gang-jumbo.stl",
   "note": "1-gang jumbo decora plate TEMPLATE, 88.9 x 133.3 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-2-gang-jumbo",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-2-gang-jumbo.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-2-gang-jumbo.stl",
   "note": "2-gang jumbo decora plate TEMPLATE, 134.9 x 133.3 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  },
  {
   "file": "decora-plate-3-gang-jumbo",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-3-gang-jumbo.step",
   "stl": "https://xemstudio.com/files/hardware/wall-plate-decora-us/decora-plate-3-gang-jumbo.stl",
   "note": "3-gang jumbo decora plate TEMPLATE, 182.2 x 133.3 mm, 2 mm thick: true-size openings, screw holes and outline; not the real plate profile"
  }
 ],
 "markdown": "https://xemstudio.com/objects/wall-plate-decora-us/index.md"
}