Mulberry Steel GFI Block Wallp...
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Mulberry Steel GFI Block Wallplate for Duplex/GFI Receptacle, Ivory

Mulberry Steel GFI Block Wallplate for Duplex/GFI Receptacle, Ivory

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Model: 99402

In Stock (leaves warehouse same day if ordered before 3pm ET)

$2.00
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Mulberry 99403 Steel 3-Gang Duplex/GFI Wallplate, Ivory

The Mulberry 99403 is a steel device-mount wallplate engineered in a standard-size 3-gang layout, purpose-built as a GFI block cover for 3-block duplex/GFI receptacle configurations. Finished in Ivory, this wallplate gives electricians and facility maintenance teams a durable, code-ready solution for wall boxes that combine standard duplex outlets with ground-fault interrupter (GFI) receptacles behind a single, unified plate. Steel construction adds rigidity and long-term wear resistance compared to lightweight plastic plates, making the 99403 a solid choice for high-traffic residential, commercial, and light-industrial environments. The device-mount design allows the plate to attach securely to the receptacle itself, delivering a clean, low-profile finish against the wall surface.

Key Features

  • 3-Gang Configuration: Standard-size 3-gang wallplate covers three device openings in a single plate for multi-device wall boxes.
  • 3-Block Layout: Built as a 3-block GFI block design supporting duplex/GFI receptacle combinations in one wallplate.
  • Device Compatibility: Configured specifically for duplex/GFI receptacle mixes, letting installers combine standard outlets with GFI protection under one cover.
  • Steel Construction: Solid steel body delivers durability, rigidity, and resistance to cracking or wear compared to plastic alternatives.
  • Device Mount Design: Mounts directly to the receptacle/device rather than the box, producing a tight, professional-looking fit.
  • Ivory Finish: Neutral Ivory color coordinates with standard wall and device finishes for a consistent appearance.
  • Standard Size: Sized to standard electrical box and device dimensions for drop-in compatibility with existing installations.
  • GFI Block Design: Purpose-built GFI block cutout pattern accommodates GFI receptacle profiles alongside duplex outlets.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Typical Applications

  • Residential and Commercial Electrical Installations
  • Multi-Device Wall Boxes Combining Duplex and GFI Receptacles
  • Kitchen, Bathroom, and Utility Room Wiring
  • New Construction and Remodeling Projects
  • Standard-Size Device Box Cover Replacements
  • Light-Industrial and Facility Maintenance Applications

Why Mulberry?

Mulberry manufactures the 99403 wallplate from steel to provide a rugged, device-mount cover that holds up to daily use in busy residential, commercial, and light-industrial spaces. The 3-gang, 3-block duplex/GFI configuration simplifies multi-device wiring runs by covering combined duplex and GFI receptacle types with a single, clean Ivory-finished plate. For contractors and facility teams who need dependable, standard-size wall device covers that install quickly and hold up over time, Mulberry's steel construction and device-mount fit deliver consistent, professional results for code-compliant electrical installations.

Manufacturer Resources

Mulberry Full Line Catalog

Product Specs

Product Material:
Steel
Product Subgroup:
Wallplates
list_batch:
MUL-20260919
Product Type:
Wallplate
Product Color:
Ivory
Department:
Electrical
Product Group:
Wiring Devices

Mulberry 99402 – Frequently Asked Questions

1) Will a Mulberry 99403 GFI block wallplate fit over a GFCI receptacle and a standard duplex outlet in the same box?
That is exactly what the Mulberry GFI block plate is built for. The openings use a GFI block cutout pattern, which accepts the wider decorator-style face of a GFCI receptacle, and the same block opening will also cover a standard duplex outlet. So a 3-gang box running a mix of GFCI and duplex devices goes under one plate. Note the opening shape is the block/rectangular type, not the two round-eared duplex opening, so a plain duplex sits behind a rectangular cutout rather than a contoured one.
2) Does this Mulberry wallplate screw to the box or to the receptacle?
To the device. It is a device-mount plate, so the mounting screws land in the receptacle's own mounting strap, not in the box ears. That means the receptacle has to be set flush and square in the box, otherwise the plate will sit proud or crooked. If your box is a weatherproof or surface box needing a box-mount cover, this is not the right plate.
3) I need a 3-gang plate but only for switches and outlets, no GFCI. Is this the right part?
Not the closest fit. The Mulberry 99403 is a 3-block GFI block plate, meaning all three openings are the block type for duplex/GFI receptacles. For a mixed switch-and-outlet opening, a combination plate is the better call, such as the Cooper 2138WBOX 21 Series combination plate or the Pass & Seymour TP126-LA two-gang combination plate. For a decorator-style triple gang, the Eaton 7729V-SP is a three-gang decorator cover.
4) Will the Mulberry GFI block wallplate drop into an existing 3-gang box without modification?
It is a standard-size plate sized to standard electrical box and device dimensions, so it replaces an existing standard 3-gang plate on the same devices. Where it will not work is oversized applications: if the current plate is jumbo or junior-jumbo to hide a rough cut or damaged drywall, this standard plate will not cover that margin and you would want an oversize plate instead, like the Pass & Seymour SPJ junior-jumbo series.
5) What is a non-metallic alternative to the Mulberry 99403 steel 3-gang wallplate?
The Eaton 7729V-SP is a decorator triple-gang wallplate cover, so it covers the same three-device box width as the Mulberry 99403 3-gang plate. The difference is the opening style and material: the Mulberry plate is steel with a duplex/GFI block cutout pattern, while the Eaton 7729V-SP uses a decorator-style opening intended for decorator-face devices. If the receptacles behind the plate are standard duplex and GFI faces, the Mulberry block pattern is the matching cutout; if they are decorator/rocker-face devices, the Eaton cover is the one that fits the device face.
6) I need an oversized plate because the drywall cut is rough - does the Mulberry GFI block plate come in a larger size?
The Mulberry GFI block plate is a standard-size plate sized to standard electrical box and device dimensions, in 2-gang and 3-gang. For larger coverage, the Pass & Seymour SPJ Series is a junior-jumbo thermoset plate and the Bryant PJ Series is an M-size wallplate for wiring devices - both step up from standard dimensions. Note that the SPJ carries a toggle switch opening, so match the opening to the device in the box rather than to size alone.
7) Is a steel wallplate worth it over plastic for a busy commercial hallway or utility room?
Steel is the reason to buy this one. The body is solid steel rather than thermoplastic or thermoset, so it resists cracking and impact damage in high-traffic residential, commercial, and light-industrial spaces where a plastic plate gets broken by carts or cleaning equipment. If appearance in a finished office matters more than impact, a thermoset or nylon plate like the Cooper 21 Series or Pass & Seymour TradeMaster is the lighter-duty alternative.
8) Is the Mulberry steel plate OK for a kitchen or bathroom GFCI, or do I need a weatherproof cover?
For interior kitchen, bathroom, and utility room GFCI locations, this steel Ivory plate is the intended application. It is a flush device-mount cover, not a gasketed or in-use cover, so anything outdoors or in a damp/wet location subject to spray needs a weatherproof box-mounted cover instead.
9) Is the Cooper 2138WBOX a substitute for the Mulberry GFI block wallplate?
Not a direct one. The Cooper Wiring Devices 2138WBOX is a 21 Series thermoset combination wallplate in White, while the Mulberry GFI block plate is steel in Ivory and is built in 2-gang and 3-gang duplex/GFI block layouts. The Cooper plate is a plastic combination plate and the color is White rather than Ivory, so it neither matches the Mulberry finish nor necessarily the three-block opening pattern. Use it where a thermoset combination plate is what the opening calls for, not as a color or cutout match to the Mulberry.
10) What should I use if the box only has one device rather than the multi-gang Mulberry plate?
The Mulberry GFI block plate is only built in multi-device layouts - 2-gang (99402) and 3-gang (99403). For a single opening, the Bryant P8 Series 1-gang duplex wallplate covers one duplex device, and the Bryant NP26W is an HWS Series 1-gang wallplate. Both are single-gang plates, so they will not cover a two- or three-device box the way the Mulberry plate does.
11) Which plates look similar to the Mulberry GFI block cover but will not work over receptacles?
Several wallplates in the same family are cut for other device types. The Pass & Seymour SPJ Series is a junior-jumbo thermoset plate with a toggle switch opening, and the Pass & Seymour WPB Series blank plate in brushed aluminum has no opening at all. On the low-voltage side, the Eaton 35324W carries a 4-conductor data/voice modular jack of Type 625B4 and the Eaton 3533-4W is a surface-mount telephone jack plate for RJ11/RJ14. None of these carry the duplex/GFI block cutout the Mulberry 99402 and 99403 plates use for duplex and GFI receptacle faces.
12) Mulberry steel plate versus a nylon or thermoset plate - which holds up better in a high-traffic corridor?
The Mulberry GFI block plate is steel, which the manufacturer positions for rigidity and resistance to cracking in high-traffic residential, commercial, and light-industrial spaces. The comparable plastic plates are made from other materials: the Pass & Seymour TP126-LA and TP703-LA are nylon, the Pass & Seymour SPJ is thermoset, and the Cooper 2138WBOX is thermoset. Steel gives you a metal plate face for abuse-prone walls; the nylon and thermoset plates are non-conductive plastic faces, which some spec writers prefer in occupant-accessible areas.
13) My existing devices are Light Almond - is the Mulberry Ivory plate close enough or should I order a different brand?
The Mulberry GFI block plate is finished in Ivory, which is a distinct color from Light Almond. If the rest of the devices on the wall are Light Almond, the Pass & Seymour TP703-LA TradeMaster 2-gang nylon plate is specified in Light Almond and the Pass & Seymour TP126-LA Trademaster two-gang combination plate is also an LA-suffix plate. For a White wall run, the Cooper 2138WBOX is specified in White. Choose by the device color already in the box rather than mixing Ivory with Light Almond faces.
14) What color options are there on the Mulberry 99402 and 99403 GFI block plates?
Ivory only. Both the 2-gang 99402 and the 3-gang 99403 are finished in Ivory, which is a reasonable match to ivory-colored devices and older painted walls. If your building is standardized on white or light almond, look at other plates: the Cooper 2138WBOX is white and the Pass & Seymour TP703-LA is light almond.
15) Do I need one plate per receptacle, or does one Mulberry plate cover the whole 3-gang box?
One plate covers the whole box. The 99403 is a single one-piece steel plate with three block openings, so a 3-gang box with three devices takes one plate and its mounting screws land in each device's strap. Order the 99402 instead if the box is 2-gang.
How fast can I get the Mulberry 99402 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Mulberry 99402 come with a warranty?
Absolutely. The Mulberry 99402 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Mulberry 99402?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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