Stainless Steel Conduit Couplings

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Conduit Connection

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Fitting Connection

Knockout Connection

Hazardous Location Rating

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

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

NEC Class III Divisions 1, 2

NEC Zone 1 Groups IIC, IIB, IIA

NEC Zone 1 Groups IIB, IIA

Hazardous Location Protection Type

Requires

115 Products

About Conduit

Connectors for Rigid Stainless Steel Conduit

Join pieces of rigid stainless steel conduit. These connectors are corrosion resistant, so you can use them in food-processing and chemical plants.

Straight Connectors

Compression Conduit Connection

Threaded Conduit Connection

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	Sleeve Material	Specifications Met		Each
Compression Conduit Connection
1/2	__	__	Female	316 Stainless Steel	316 Stainless Steel, Nylon Plastic	__	0000000	000000
3/4	__	__	Female	316 Stainless Steel	316 Stainless Steel, Nylon Plastic	__	00000000	00000
1	__	__	Female	316 Stainless Steel	316 Stainless Steel, Nylon Plastic	__	00000000	000000
1 1/2	__	__	Female	316 Stainless Steel	316 Stainless Steel, Nylon Plastic	__	00000000	000000
2	__	__	Female	316 Stainless Steel	316 Stainless Steel, Nylon Plastic	__	00000000	000000
Threaded Conduit Connection
1/2	1/2	NPSM	Female	316 Stainless Steel	__	UL Listed, C-UL Listed	0000000	00000
3/4	3/4	NPSM	Female	316 Stainless Steel	__	UL Listed, C-UL Listed	0000000	00000
1	1	NPSM	Female	316 Stainless Steel	__	UL Listed, C-UL Listed	0000000	00000
1 1/4	1 1/4	NPSM	Female	316 Stainless Steel	__	UL Listed, C-UL Listed	0000000	000000
1 1/2	1 1/2	NPSM	Female	316 Stainless Steel	__	UL Listed, C-UL Listed	0000000	000000
2	2	NPSM	Female	316 Stainless Steel	__	UL Listed, C-UL Listed	0000000	000000

Elbow Connectors

45° Elbow

90° Elbow

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Lg.	Material	Specifications Met		Each
45° Elbow
1/2	1/2	NPT	Male	3 3/16"	316 Stainless Steel	UL Listed, C-UL Listed	0000000	000000
3/4	3/4	NPT	Male	3 3/8"	316 Stainless Steel	UL Listed, C-UL Listed	0000000	00000
1	1	NPT	Male	4 1/2"	316 Stainless Steel	UL Listed, C-UL Listed	0000000	00000
90° Elbow
1/2	1/2	NPT	Male	6 11/16"	316 Stainless Steel	UL Listed, C-UL Listed	0000000	00000
3/4	3/4	NPT	Male	7 3/16"	316 Stainless Steel	UL Listed, C-UL Listed	0000000	00000
1	1	NPT	Male	9 9/16"	316 Stainless Steel	UL Listed, C-UL Listed	0000000	00000
1 1/4	1 1/4	NPT	Male	11 5/8"	316 Stainless Steel	UL Listed, C-UL Listed	0000000	000000

Adapters for Rigid Stainless Steel Conduit

Compression Conduit Connection

Threaded Conduit Connection

Also known as hubs, these adapters attach rigid stainless steel conduit to a knockout in an outlet box or enclosure. They are corrosion resistant, so you can use them in food-processing and chemical plants.

Conduit Connection				Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	Material	Gasket Material	Sleeve Material	Specifications Met		Each
Compression Conduit Connection
1/2	__	__	Female	1/2	NPT	Male	316 Stainless Steel	__	316 Stainless Steel, Nylon Plastic	__	0000000	000000
3/4	__	__	Female	3/4	NPT	Male	316 Stainless Steel	__	316 Stainless Steel, Nylon Plastic	__	0000000	00000
1	__	__	Female	1	NPT	Male	316 Stainless Steel	__	316 Stainless Steel, Nylon Plastic	__	0000000	000000
Threaded Conduit Connection
1/2	1/2	NPT	Female	1/2	NPSM	Male	316 Stainless Steel	Fluoroelastomer Rubber	__	UL Listed, C-UL Listed	0000000	000000
3/4	3/4	NPT	Female	3/4	NPSM	Male	316 Stainless Steel	Fluoroelastomer Rubber	__	UL Listed, C-UL Listed	0000000	000000
1	1	NPT	Female	1	NPSM	Male	316 Stainless Steel	Fluoroelastomer Rubber	__	UL Listed, C-UL Listed	0000000	000000
1 1/4	1 1/4	NPT	Female	1 1/4	NPSM	Male	316 Stainless Steel	Fluoroelastomer Rubber	__	UL Listed, C-UL Listed	0000000	000000
1 1/2	1 1/2	NPT	Female	1 1/2	NPSM	Male	316 Stainless Steel	Fluoroelastomer Rubber	__	UL Listed, C-UL Listed	0000000	000000
2	2	NPT	Female	2	NPSM	Male	316 Stainless Steel	Fluoroelastomer Rubber	__	UL Listed, C-UL Listed	0000000	000000

Hazardous Location Conduit Bushings

Join two different sizes of thick-wall (rigid) metal conduit. These bushings meet Class I and II, Division 1 and 2 standards for flammable gases and combustible dust in hazardous locations.

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	For Conduit Material	Environmental Rating	Specifications Met		Each
3/4 × 1/2	3/4 × 1/2	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
1 × 1/2	1 × 1/2	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 × 3/4	1 × 3/4	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/4 × 1/2	1 1/4 × 1/2	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/4 × 3/4	1 1/4 × 3/4	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/4 × 1	1 1/4 × 1	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/2 × 1	1 1/2 × 1	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
2 × 1	2 × 1	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
2 × 1 1/2	2 × 1 1/2	NPT	Male × Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000

Hazardous Location Conduit Connectors

Use to join pieces of thick-wall (rigid) metal conduit. These connectors meet Classes I, II, and III, Divisions 1 and 2 standards for flammable gases, combustible dust, and combustible fibers in hazardous locations. The sealant chamber requires packing fiber and sealing compound (sold separately). They minimize the travel of gases and flames through conduit.

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	For Conduit Material	Environmental Rating	Specifications Met		Each
Straight Connectors with Sealant Chamber
1/2	1/2	NPT	Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	000000
3/4	3/4	NPT	Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
1	1	NPT	Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
1 1/4	1 1/4	NPT	Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
1 1/2	1 1/2	NPT	Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
2	2	NPT	Female	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	000000

Packing Fiber (2 oz.)	0000000	Each	000000
Sealing Compound (8 oz.)	0000000	Each	00000

Hazardous Location Conduit Adapters

Use to connect thick-wall (rigid) metal conduit to a knockout in an outlet box or enclosure.

Adapters with sealant chamber require packing fiber and sealing compound (sold separately). They minimize the travel of gases and flames through conduit.

Conduit Connection				Conduit or Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	For Conduit Material	Environmental Rating	Specifications Met		Each
Straight Adapters with Sealant Chamber
1/2	1/2	NPT	Female	1/2	1/2	NPT	Male	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	000000
3/4	3/4	NPT	Female	3/4	3/4	NPT	Male	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
1	1	NPT	Female	1	1	NPT	Male	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
1 1/4	1 1/4	NPT	Female	1 1/4	1 1/4	NPT	Male	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA	UL Listed; CSA Certified	0000000	00000
1 1/2	1 1/2	NPT	Female	1 1/2	1 1/2	NPT	Male	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA	UL Listed; CSA Certified	0000000	000000
2	2	NPT	Female	2	2	NPT	Male	Aluminum	Aluminum, Stainless Steel, Steel	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 1 Groups IIB, IIA	UL Listed; CSA Certified	0000000	000000

Packing Fiber (2 oz.)	0000000	Each	000000
Sealing Compound (8 oz.)	0000000	Each	00000

Connectors for Thin-Wall (EMT) Stainless Steel Conduit

Join pieces of thin-wall (EMT) stainless steel conduit. All of these connectors are corrosion resistant, so you can use them in food-processing and chemical plants.

Compression ends offer a more reliable hold than screw-clamp or push-in ends. Tighten the compression ring to secure. Screw-clamp ends tighten around conduit with screws.

Straight Connectors

Compression Straight Connector

Screw-Clamp Straight Connector

Conduit Connection
Conduit Trade Size	Gender	Material		Each
Compression Conduit Connection
1/2	Female	316 Stainless Steel	0000000	000000
3/4	Female	316 Stainless Steel	0000000	00000
1	Female	316 Stainless Steel	0000000	00000
1 1/4	Female	316 Stainless Steel	0000000	000000
1 1/2	Female	316 Stainless Steel	0000000	000000
2	Female	316 Stainless Steel	0000000	000000
Screw-Clamp Conduit Connection
1/2	Female	316 Stainless Steel	0000000	00000
3/4	Female	316 Stainless Steel	0000000	00000
1	Female	316 Stainless Steel	0000000	00000

45° Elbow Connectors

45° Elbow Push-In Connector

Conduit Connection
Conduit Trade Size	Gender	Lg.	Material		Each
Push-In Conduit Connection
3/4	Male	7 1/2"	316 Stainless Steel	0000000	000000
1	Male	8 1/2"	316 Stainless Steel	0000000	00000

90° Elbow Connectors

90° Elbow Push-In Connector

Conduit Connection
Conduit Trade Size	Gender	Lg.	Material		Each
Push-In Conduit Connection
1/2	Male	7"	316 Stainless Steel	0000000	000000
3/4	Male	7 5/8"	316 Stainless Steel	0000000	00000
1	Male	9 3/8"	316 Stainless Steel	0000000	00000
1 1/4	Male	10 3/4"	316 Stainless Steel	0000000	000000
1 1/2	Male	12"	316 Stainless Steel	0000000	000000
2	Male	13 5/8"	316 Stainless Steel	0000000	000000

Adapters for Thin-Wall (EMT) Stainless Steel Conduit

Compression
Conduit × Threaded
Electrical Box Adapter

Screw-Clamp
Conduit × Threaded
Electrical Box Adapter

Attach thin-wall (EMT) stainless steel conduit to a knockout in an outlet box or enclosure. All of these adapters are corrosion resistant, so you can use them in food-processing and chemical plants.

A compression end offers a more reliable hold on conduit than a screw-clamp end. It pushes onto the conduit; tighten the compression ring to secure. The screw-clamp end tightens around conduit with a screw.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Material		Each
Compression Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPT	Male	316 Stainless Steel	0000000	000000
3/4	Female	3/4	NPT	Male	316 Stainless Steel	0000000	00000
1	Female	1	NPT	Male	316 Stainless Steel	0000000	00000
1 1/4	Female	1 1/4	NPT	Male	316 Stainless Steel	0000000	000000
1 1/2	Female	1 1/2	NPT	Male	316 Stainless Steel	0000000	000000
2	Female	2	NPT	Male	316 Stainless Steel	0000000	000000
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPT	Male	316 Stainless Steel	0000000	00000
3/4	Female	3/4	NPT	Male	316 Stainless Steel	0000000	00000
1	Female	1	NPT	Male	316 Stainless Steel	0000000	00000
2	Female	2	NPT	Male	316 Stainless Steel	0000000	000000

Adapters for Flexible Metal Conduit

Attach flexible metal conduit to a knockout in an outlet box or enclosure. The screw-clamp end tightens around conduit with a screw. The twist-in end attaches to conduit with a few quick turns.

316 stainless steel adapters are the most corrosion resistant.

Straight Adapters—316 Stainless Steel

Screw-Clamp × Threaded

Twist-In × Threaded

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	1/2	NPSM	Male	0000000	000000
1/2	Female	1/2	NPSM	Male	0000000	00000
3/4	Female	3/4	NPSM	Male	0000000	00000
1	Female	1	NPSM	Male	0000000	00000
1 1/4	Female	1 1/4	NPSM	Male	0000000	00000
Twist-In Conduit Connection × Threaded Electrical Box Connection
3/8	Male	1/2	NPSM	Male	0000000	00000
1/2	Male	1/2	NPSM	Male	0000000	00000
3/4	Male	3/4	NPSM	Male	0000000	00000
1	Male	1	NPSM	Male	0000000	00000
1 1/4	Male	1 1/4	NPSM	Male	0000000	00000

90° Elbow Adapters—316 Stainless Steel

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	1/2	NPSM	Male	0000000	000000
1/2	Female	1/2	NPSM	Male	0000000	00000
3/4	Female	3/4	NPSM	Male	0000000	00000
1	Female	1	NPSM	Male	0000000	00000
1 1/4	Female	1 1/4	NPSM	Male	0000000	00000

Connectors for Flexible Metal Conduit

Twist these connectors into two pieces of flexible metal conduit for a quick connection.

316 stainless steel connectors have superior corrosion resistance.

Conduit Connection
Conduit Trade Size	Conduit Connection Type	Gender		Each
316 Stainless Steel
1/2	Twist-In	Male	0000000	00000
3/4	Twist-In	Male	0000000	0000
1	Twist-In	Male	0000000	0000

Fittings for Liquid-Tight Flexible Metal Conduit

When used to connect liquid-tight flexible metal conduit to a knockout in an outlet box or enclosure, these fittings seal out liquids. Attach the twist-in end to conduit with a few quick turns.

316 stainless steel adapters are corrosion resistant.These fittings seal out liquids when connecting liquid-tight flexible metal conduit to a knockout in an outlet box or enclosure.

Straight Adapters

Adapter

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Adapters—316 Stainless Steel
3/8	Twist-In	Female	3/8	NPT	Male	UL Listed, CSA Certified	0000000	000000
1/2	Twist-In	Female	1/2	NPT	Male	UL Listed, CSA Certified	0000000	00000
3/4	Twist-In	Female	3/4	NPT	Male	UL Listed, CSA Certified	0000000	000000
1	Twist-In	Female	1	NPT	Male	UL Listed, CSA Certified	0000000	000000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	UL Listed, CSA Certified	0000000	000000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	UL Listed, CSA Certified	0000000	000000
2	Twist-In	Female	2	NPT	Male	UL Listed, CSA Certified	0000000	000000

45° Elbow Adapters

Adapter

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Adapters—316 Stainless Steel
1/2	Twist-In	Female	1/2	NPT	Male	UL Listed, CSA Certified	0000000	000000
3/4	Twist-In	Female	3/4	NPT	Male	UL Listed, CSA Certified	0000000	000000
1	Twist-In	Female	1	NPT	Male	UL Listed, CSA Certified	0000000	000000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	UL Listed, CSA Certified	0000000	000000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	UL Listed, CSA Certified	0000000	000000
2	Twist-In	Female	2	NPT	Male	UL Listed, CSA Certified	0000000	000000

90° Elbow Adapters

Adapter

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Adapters—316 Stainless Steel
3/8	Twist-In	Female	3/8	NPT	Male	UL Listed, CSA Certified	0000000	0000000
1/2	Twist-In	Female	1/2	NPT	Male	UL Listed, CSA Certified	0000000	000000
3/4	Twist-In	Female	3/4	NPT	Male	UL Listed, CSA Certified	0000000	000000
1	Twist-In	Female	1	NPT	Male	UL Listed, CSA Certified	0000000	000000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	UL Listed, CSA Certified	0000000	000000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	UL Listed, CSA Certified	0000000	000000
2	Twist-In	Female	2	NPT	Male	UL Listed, CSA Certified	0000000	000000