Conduit Reducers | McMaster-Carr

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47 Products

About Conduit

Compare rigid and flexible conduit materials and identify the trade size for compatible fittings.

Bushings for Medium-Wall (IMC) and Thick-Wall (Rigid) Steel Conduit

Join two different sizes of threaded conduit. Use with medium-wall (IMC) and thick-wall (rigid) steel conduit.

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	Specifications Met		Each
3/4 × 1/2	3/4 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K31	00000
1 × 1/2	1 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K32	0000
1 × 3/4	1 × 3/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K33	0000
1 1/4 × 1/2	1 1/4 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K34	0000
1 1/4 × 3/4	1 1/4 × 3/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K35	0000
1 1/4 × 1	1 1/4 × 1	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K36	0000
1 1/2 × 1	1 1/2 × 1	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K43	0000
2 × 1/2	2 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K37	00000
2 × 3/4	2 × 3/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K38	00000
2 × 1	2 × 1	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K39	00000
2 × 1 1/4	2 × 1 1/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K41	00000
2 × 1 1/2	2 × 1 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	7514K42	00000

Reducing Washers for Medium-Wall (IMC) and Thick-Wall (Rigid) Steel Conduit

Reduce the knockout size in an outlet box or enclosure so you can attach a different size of medium-wall (IMC) and thick-wall (rigid) steel conduit to it. Two reducing washers are required per knockout.

Conduit Trade Size	Material	Specifications Met	Pkg. Qty.		Pkg.
3/4 × 1/2	Steel	UL Listed, CSA Certified	10	7513K371	00000
1 × 1/2	Steel	UL Listed, C-UL Listed, CSA Certified	10	7513K372	0000
1 × 3/4	Steel	UL Listed, C-UL Listed, CSA Certified	10	7513K373	0000
1 1/4 × 1/2	Steel	UL Listed, C-UL Listed, CSA Certified	10	7513K374	0000
1 1/4 × 3/4	Steel	UL Listed, C-UL Listed, CSA Certified	10	7513K375	0000
1 1/4 × 1	Steel	UL Listed, C-UL Listed, CSA Certified	10	7513K376	0000
1 1/2 × 1	Steel	UL Listed, C-UL Listed, CSA Certified	10	7513K383	0000
2 × 1/2	Steel	UL Listed, CSA Certified	10	7513K377	00000
2 × 3/4	Steel	UL Listed, CSA Certified	10	7513K378	00000
2 × 1	Steel	UL Listed, CSA Certified	10	7513K379	00000
2 × 1 1/4	Steel	UL Listed, CSA Certified	10	7513K381	00000
2 × 1 1/2	Steel	UL Listed, CSA Certified	10	7513K382	00000

Raintight Reducing Washers for Medium-Wall
(IMC) and Thick-Wall (Rigid) Steel Conduit

Seal out moisture while reducing a knockout size in an outlet box or enclosure. Each includes a washer and a rubber-coated steel gasket.

Conduit Trade Size	Material	Includes	Specifications Met		Each
3/4 × 1/2	Steel	Rubber-Coated Steel Gasket	UL Listed, C-UL Listed, ANSI/NEMA FB 1	7513K221	00000
1 × 1/2	Steel	Rubber-Coated Steel Gasket	UL Listed, C-UL Listed, ANSI/NEMA FB 1	7513K222	00000
1 × 3/4	Steel	Rubber-Coated Steel Gasket	UL Listed, C-UL Listed, ANSI/NEMA FB 1	7513K223	00000
1 1/4 × 1/2	Steel	Rubber-Coated Steel Gasket	UL Listed, C-UL Listed, ANSI/NEMA FB 1	7513K904	00000
1 1/4 × 3/4	Steel	Rubber-Coated Steel Gasket	UL Listed, C-UL Listed, ANSI/NEMA FB 1	7513K224	00000
1 1/4 × 1	Steel	Rubber-Coated Steel Gasket	UL Listed, C-UL Listed, ANSI/NEMA FB 1	7513K905	00000
2 × 1/2	Steel	Rubber-Coated Steel Gasket	UL Listed, C-UL Listed, ANSI/NEMA FB 1	7513K225	00000

Reducing Adapters for Rigid PVC Conduit

Connect two different sizes and genders of PVC Schedule 40 or Schedule 80 conduit. These reducing adapters are lightweight, corrosion resistant, and UV light resistant for outdoor use. They can be buried or encased in concrete. PVC cement is required (not included) to secure the connection.

Conduit Connection
Conduit Trade Size	Conduit Connection Type	Gender	Material	Color	Specifications Met		Each
3/4 × 1/2	Push-In	Male × Female	PVC	Gray	UL Listed	7945K61	00000
1 × 1/2	Push-In	Male × Female	PVC	Gray	UL Listed	7945K62	0000
1 × 3/4	Push-In	Male × Female	PVC	Gray	UL Listed	7945K63	0000
1 1/4 × 3/4	Push-In	Male × Female	PVC	Gray	UL Listed	7945K64	0000
1 1/4 × 1	Push-In	Male × Female	PVC	Gray	UL Listed	7945K65	0000
1 1/2 × 1	Push-In	Male × Female	PVC	Gray	UL Listed	7945K66	0000
1 1/2 × 1 1/4	Push-In	Male × Female	PVC	Gray	UL Listed	7945K67	0000
2 × 1 1/4	Push-In	Male × Female	PVC	Gray	UL Listed	7945K68	00000
2 × 1 1/2	Push-In	Male × Female	PVC	Gray	UL Listed	7945K69	00000
2 1/2 × 2	Push-In	Male × Female	PVC	Gray	UL Listed	7945K84	00000
3 × 2	Push-In	Male × Female	PVC	Gray	UL Listed	7945K85	00000
4 × 3	Push-In	Male × Female	PVC	Gray	UL Listed	7945K86	00000

Conduit Reducing Adapters

Transition between sizes and types of metal conduit. These reducing adapters have screw-clamp ends that tighten around conduit with screws.

Conduit Connection
Conduit Trade Size	Conduit Connection Type	Gender	For Conduit Type	For Conduit Flexibility	For Conduit Material	Material		Each
1/2 × 3/8	Screw-Clamp	Female	EMT × FMC	Rigid × Flexible	Metal	Zinc	7984K1	00000

Reducers for Flexible Plastic Conduit

To connect different sizes of conduit, these reducers have tabs on the ends that snap into grooves in the conduit. They help seal out air and liquid when used with flexible plastic conduit. All meet IP68 for prolonged submersion and IP69K for high-pressure, high-temperature washdowns. They withstand vibration, are flame retardant, and resist oil, solvents, and UV light.

Tee Reducers

Conduit Connection
Conduit Trade Size - 1	Conduit Trade Size - 2 and - 3	Conduit Connection Type	Gender	Material	Color	Temperature Range, °F	Environmental Rating	Specifications Met		Each
1	3/4	Snap-In	Female	Nylon	Black	-40° to 245°	IP68, IP69K	UL Recognized Component, UL 94 V-0	6963T43	000000

Wye Reducers