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Weatherproof GFCI-decorator device cover · Horizontal mount black self-closing lid · Eaton S3966BK-BU
SKU: CWD-S3966BK-BU
1-gang non-metallic weatherproof cover for GFCI or decorator devices, with a self-closing lid and horizontal surface-mount orientation. Commonly used on outdoor receptacles where the cover is closed between use; verify code requirements for wet-location and in-use applications.
What this product is for
This 1-gang weatherproof cover is used to protect an outdoor GFCI or decorator-style device in wet locations when installed on a surface-mounted box. It is a black thermoplastic cover with a self-closing lid and horizontal orientation.
Use for
- Outdoor receptacle boxes on patios, decks, garages, and exterior walls
- GFCI or decorator devices requiring a horizontal weatherproof cover
- Surface-mounted installations where a non-metallic, corrosion-resistant cover is preferred
Avoid for
- Applications that require a while-in-use bubble cover with a cord left plugged in
- Vertical-mount device layouts
- Multi-gang boxes or duplex openings that do not match a decorator-GFCI cutout
Best for
Electricians replacing a standard 1-gang outdoor GFCI-decorator cover with a black, self-closing weatherproof model for residential or light commercial exterior work.
Installed in
Typically installed on exterior surface boxes in wet or exposed areas such as decks, porches, garages, service areas, and similar outdoor locations. Typical selection depends on device type, box style, and whether the receptacle must remain protected while a cord is connected.
Why this product exists
It provides a simple weatherproof cover solution for a single GFCI or decorator device, using a self-closing lid and non-conductive thermoplastic body to help protect the device opening from rain, snow, and ice when closed.
Compared with similar products
Compared with metal covers, this non-metallic version is non-corrosive and non-conductive. Compared with while-in-use covers, it is lower profile but is generally intended for protection with the lid closed rather than with a cord continuously plugged in.
Specifications
- Manufacturer part number: S3966BK-BU
- Brand: Eaton
- Legacy brand reference: Cooper Wiring Devices / Arrow Hart
- Product type: Receptacle cover
- Device compatibility: GFCI or decorator
- Gang: 1-gang
- Orientation: Horizontal
- Mounting: Surface mount
- Lid style: Self-closing
- Colour: Black
- Material: Thermoplastic
- Environment: Wet location
- Certifications: cULus Listed
- Size: 4.75 in H x 2.95 in W x 0.75 in D (121 x 75 x 19 mm)
- Weight: 0.2 lb (0.09 kg)
Buying note: for outdoor receptacles that stay energized with a cord inserted, a while-in-use cover is typically required. Actual application depends on enclosure, device, and local electrical code.
- MaterialThermoplastic
- MountingSurface mount
- ColourBlack
- ApprovalscULus Listed
- Legacy Brand ReferenceCooper Wiring Devices / Arrow Hart
- Size4.75 in H x 2.95 in W x 0.75 in D (121 x 75 x 19 mm)
- Weight0.2 lb (0.09 kg)
- Gang1-gang
- OrientationHorizontal
- EnvironmentWet location
- Device CompatibilityGFCI or decorator
- BrandsCooper Wiring Devices
- Stock in Flesherton8
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Aptico Supply helps electricians, contractors, and commercial buyers get the electrical materials they need without unnecessary delays. Whether you are ordering for a jobsite, restocking service inventory, or arranging pickup, our delivery options are designed to keep work moving.
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Free daily delivery is available for larger contractor accounts.
- Order by 9:00 AM for morning delivery
- Order by 2:00 PM for afternoon delivery
- Available in qualifying local delivery areas
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Free weekly delivery is available for smaller accounts in select service areas.
- Elmira area delivery: Tuesday
- Flesherton area delivery: Thursday
- Order by 11:00 AM on the route day
Pickup Options
Pickup is available from our Ontario locations for customers who prefer to collect their order directly.
- Elmira pickup available
- Flesherton pickup available
- Call ahead for large or special-order items
Local Delivery Areas
See our local delivery coverage below. Delivery charges may apply outside regular route areas or for oversized items.
Delivery Questions
Do you offer free delivery?
Yes, free delivery is available for qualifying contractor accounts and selected local delivery routes.
Can I pick up my order?
Yes, pickup is available from our Elmira and Flesherton locations.
Do delivery charges apply?
Delivery charges may apply outside regular local routes, for smaller orders, or for oversized and heavy items.
Can you deliver to jobsites?
Yes, jobsite delivery may be available depending on the order size, location, and delivery schedule.
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