Round Outlet Boxes | McMaster-Carr

Filter by

Material

Conduit Trade Size

Outlet Box Component

Diameter

Certification

Environment

DFARS Compliance

REACH Compliance

RoHS Compliance

For Maximum Number of Devices

Number of Conduit Connections

Capacity

Conduit Type

For Conduit Material

Cover Style

Forward

How can we improve?

6 Products

Round Weatherproof Outlet Boxes

Exposure to rain, snow, and wet conditions won't damage these corrosion-resistant boxes. They come with sealing plugs for unused connections.

For technical drawings and 3-D models, click on a part number.

For Max. No. of Devices	No. of Conduit Connections	Conduit Trade Size	Conduit Connection Type	For Conduit Type	For Conduit Material	Dia.	Dp.	Capacity, cu. in.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
1	5	1/2	Threaded	IMC, RMC	Aluminum, Stainless Steel, Steel	4"	1 1/2"	16	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	000000	000000
1	5	3/4	Threaded	IMC, RMC	Aluminum, Stainless Steel, Steel	4"	1 1/2"	16	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	00000

Extenders

No. of Conduit Connections	Conduit Trade Size	Conduit Connection Type	For Conduit Type	For Conduit Material	Dia.	Dp.	Capacity, cu. in.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
4	1/2	Threaded	IMC, RMC	Aluminum, Stainless Steel, Steel	4"	1 1/2"	16.3	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	000000

Blank Covers

Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
4 1/8"	Gray Powder-Coated Steel	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	00000

Covers with One Conduit Connection

For Max. No. of Devices	Conduit Trade Size	Conduit Connection Type	Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
1	1/2	Threaded	4 1/8"	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	00000

Covers with Three Conduit Connections

For Max. No. of Devices	Conduit Trade Size	Conduit Connection Type	Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
3	1/2	Threaded	4 1/8"	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	000000	00000

Blank Round Covers for Weatherproof Outlet Boxes

Close off unused outlets. Exposure to rain, snow, and wet conditions won’t damage this corrosion-resistant cover. It has a sealing gasket to keep out dust and moisture.

For technical drawings and 3-D models, click on a part number.

Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
4 1/8"	Gray Powder-Coated Steel	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	00000

Round Covers for Weatherproof Outlet Boxes

Exposure to rain, snow, and wet conditions won’t damage these corrosion-resistant covers. They have a sealing gasket to keep out dust and moisture.

For technical drawings and 3-D models, click on a part number.

With One Conduit Connection

For Max. No. of Devices	Conduit Trade Size	Conduit Connection Type	Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
1	1/2	Threaded	4 1/8"	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	00000

With Three Conduit Connections

For Max. No. of Devices	Conduit Trade Size	Conduit Connection Type	Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
3	1/2	Threaded	4 1/8"	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	000000	00000

Extenders for Round Weatherproof Outlet Boxes

Add depth to your weatherproof outlet box. Exposure to rain, snow, and wet conditions won’t damage this corrosion-resistant extender. It comes with sealing plugs for unused connections.

For technical drawings and 3-D models, click on a part number.

No. of Conduit Connections	Conduit Trade Size	Conduit Connection Type	For Conduit Type	For Conduit Material	Dia.	Dp.	Capacity, cu. in.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
4	1/2	Threaded	IMC, RMC	Aluminum, Stainless Steel, Steel	4"	1 1/2"	16.3	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	000000

Blank Covers

Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
4 1/8"	Gray Powder-Coated Steel	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	00000

Covers with One Conduit Connection

For Max. No. of Devices	Conduit Trade Size	Conduit Connection Type	Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
1	1/2	Threaded	4 1/8"	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	0000000	00000

Covers with Three Conduit Connections

For Max. No. of Devices	Conduit Trade Size	Conduit Connection Type	Dia.	Material	Mounting Fasteners Included	Environmental Rating	Specifications Met		Each
3	1/2	Threaded	4 1/8"	Gray Powder-Coated Aluminum	Yes	NEMA 3R	UL Listed, CSA Certified	000000	00000