Conduit Duct | McMaster-Carr

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	Conduit Trade Size Conduit Trade Size

1/4

5/16

	Type Type


Adapter	Connector

Reducing Adapter	Grommet

Reducing Washer	Reducer

Grounding Clamp	Bushing

	Shape Shape


Straight	90° Elbow

Adjustable- Angle Elbow	45° Elbow

Wye	Tee

Offset Elbow

	Material Material

	Conduit Type Conduit Type

	Flexibility Flexibility

	Conduit Connection Type Conduit Connection Type


Push In	Threaded

Screw Clamp	Snap In

Twist In	Compression

Screw On

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Thread Type Thread Type

NPSM

NPT

Metric

	Connection Type Connection Type	Show

Conduit

	Connection Type Connection Type	Hide

Press Fit

Quick-Disconnect Clamp

	Gender Gender

Male

Female

	Specifications Met Specifications Met

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Environment Environment

Damp

Dusty

Hazardous

High-
Pressure
Washdown

	Color Color

	Gray		Black
	Blue		White
	Red

	Knockout Connection Type Knockout Connection Type

Threaded

Flanged End

Snap In

	Schedule Schedule

	Maximum Temperature Maximum Temperature

Less than 250° F

	Minimum Temperature Minimum Temperature

-49° to -25° F

-24° to 0° F

	Environmental Rating Environmental Rating

IP66

IP68

IP69K

NEC Class I Divisions 1, 2
Groups A, B, C, D

NEC Class I Divisions 1, 2
Groups C, D

NEC Class II Divisions 1, 2
Groups E, F, G

NEC Class III Divisions
1, 2

NEC Zone 1 Groups IIB, IIA

NEC Zone 1 Groups IIC,
IIB, IIA

	Finish Finish

Galvanized

Zinc Plated

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874 Products

About Conduit

Reducing Adapters for Rigid PVC Conduit

Connect different sizes and genders of conduit.

Connectors for Rigid PVC Conduit

Join pieces of conduit.

Adapters for Rigid PVC Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Access Ports for Rigid PVC Conduit

Also known as conduit bodies, these ports provide access to wire and cable inside PVC conduit for pulling, splicing, and maintenance. They are also used to change the direction of a run.

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

Attach conduit to a knockout in an outlet box or enclosure.

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 conduit to it.

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

Connect to the end of conduit or a fitting to protect wires from abrasion when being pulled.

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

Join pieces of conduit.

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

Ground conduit by running a ground wire through the attached lug.

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

Seal out moisture while reducing the knockout size in an outlet box or enclosure so you can attach a different size of conduit to it.

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

Join different sizes of conduit.

Connectors for Rigid Aluminum Conduit

Join pieces of conduit.

Adapters for Rigid Aluminum Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Bushings for Rigid Aluminum Conduit

Connect different sizes of conduit.

Connectors for Rigid Stainless Steel Conduit

Join pieces of conduit.

Adapters for Rigid Stainless Steel Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Hazardous Location Conduit Bushings

Connect different sizes of conduit.

Hazardous Location Conduit Adapters

Attach conduit to a knockout in an outlet box or enclosure.

Hazardous Location Conduit Connectors

Join pieces of conduit.

Thin-Wall (EMT) Conduit and Fittings

Adapters for Thin-Wall (EMT) Steel Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Connectors for Thin-Wall (EMT) Steel Conduit

Join pieces of conduit.

Grommets for Thin-Wall (EMT) Steel Conduit

Slide these grommets into conduit ends to protect wire and cable from abrasion when being pulled.

Reducers for Thin-Wall (EMT) Steel Conduit

Connect different sizes of conduit.

Connectors for Thin-Wall (EMT) Stainless Steel Conduit

Join pieces of conduit.

Adapters for Thin-Wall (EMT) Stainless Steel Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Connectors for Choose-a-Color
Thin-Wall (EMT) Steel Conduit

Join pieces of conduit.

Adapters for Choose-a-Color
Thin-Wall (EMT) Steel Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Flexible Conduit and Fittings

Adapters for Flexible Metal Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Connectors for Flexible Metal Conduit

Join pieces of conduit.

Adapters for Flexible Metal Conduit and Armored Cable

Attach conduit and armored cable to a knockout in an outlet box or enclosure.

Grommets for Flexible Metal
Conduit and Armored Cable

Also known as antishort bushings, these grommets slide into the ends of conduit and armored cable to protect wire and cable from sharp edges.

Adapters for Flexible Plastic Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Connectors for Flexible Plastic Conduit

Join pieces of conduit.

Reducers for Flexible Plastic Conduit

Connect different sizes of conduit.

Grommets for Flexible Plastic Conduit

Preventing wear and cracks, these grommets shield the sections of your conduit that rub and bang against nearby components.

Adapters for Choose-a-Color Flexible Plastic Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Connectors for Choose-a-Color Flexible Plastic Conduit

Join pieces of conduit.

Adapters for Liquid-Tight Flexible Plastic Conduit

Attach conduit to a knockout in an outlet box or enclosure.

Connectors for Liquid-Tight Flexible Plastic Conduit

Join pieces of conduit.

Fittings for Liquid-Tight Flexible Metal Conduit

These fittings seal out liquids when connecting liquid-tight flexible metal conduit to a knockout in an outlet box or enclosure.

Fittings for Shielded Flexible Plastic Conduit

Made of brass, these adapters provide electromagnetic interference (EMI) protection when connecting shielded flexible plastic conduit to a knockout in an outlet box or enclosure.

Continuous-Flex Conduit and Fittings

Fittings for Continuous-Flex Plastic Conduit

One end twists into a piece of conduit for a quick connection; the other end attaches to a knockout in an outlet box or enclosure.

Fittings for Continuous-Flex Liquid-Tight Plastic Conduit

These fittings seal out liquid when used with continuous-flex liquid-tight plastic conduit.

Conduit Adapters

Conduit Reducing Adapters

Transition between conduit sizes and types.

Conduit Adapters

Transition between types of conduit.

About Conduit

Medium-Wall (IMC) and Thick-Wall (Rigid) Conduit and Fittings

Reducing Adapters for Rigid PVC Conduit

Connectors for Rigid PVC Conduit

Adapters for Rigid PVC Conduit

Access Ports for Rigid PVC Conduit

Adapters for Medium-Wall (IMC) andThick-Wall (Rigid) Steel Conduit

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

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

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

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

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

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

Connectors for Rigid Aluminum Conduit

Adapters for Rigid Aluminum Conduit

Bushings for Rigid Aluminum Conduit

Connectors for Rigid Stainless Steel Conduit

Adapters for Rigid Stainless Steel Conduit

Hazardous Location Conduit Bushings

Hazardous Location Conduit Adapters

Hazardous Location Conduit Connectors

Thin-Wall (EMT) Conduit and Fittings

Adapters for Thin-Wall (EMT) Steel Conduit

Connectors for Thin-Wall (EMT) Steel Conduit

Grommets for Thin-Wall (EMT) Steel Conduit

Reducers for Thin-Wall (EMT) Steel Conduit

Connectors for Thin-Wall (EMT) Stainless Steel Conduit

Adapters for Thin-Wall (EMT) Stainless Steel Conduit

Connectors for Choose-a-ColorThin-Wall (EMT) Steel Conduit

Adapters for Choose-a-ColorThin-Wall (EMT) Steel Conduit

Flexible Conduit and Fittings

Adapters for Flexible Metal Conduit

Connectors for Flexible Metal Conduit

Adapters for Flexible Metal Conduit and Armored Cable

Grommets for Flexible MetalConduit and Armored Cable

Adapters for Flexible Plastic Conduit

Connectors for Flexible Plastic Conduit

Reducers for Flexible Plastic Conduit

Grommets for Flexible Plastic Conduit

Adapters for Choose-a-Color Flexible Plastic Conduit

Connectors for Choose-a-Color Flexible Plastic Conduit

Adapters for Liquid-Tight Flexible Plastic Conduit

Connectors for Liquid-Tight Flexible Plastic Conduit

Fittings for Liquid-Tight Flexible Metal Conduit

Fittings for Shielded Flexible Plastic Conduit

Continuous-Flex Conduit and Fittings

Fittings for Continuous-Flex Plastic Conduit

Fittings for Continuous-Flex Liquid-Tight Plastic Conduit

Conduit Adapters

Conduit Reducing Adapters

Conduit Adapters

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

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

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

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

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

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

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

Connectors for Choose-a-Color
Thin-Wall (EMT) Steel Conduit

Adapters for Choose-a-Color
Thin-Wall (EMT) Steel Conduit

Grommets for Flexible Metal
Conduit and Armored Cable