Stainless Steel Conduit Couplings

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Conduit Trade Size

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Conduit Connection

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For Conduit Flexibility

Export Control Classification Number (ECCN)

Performance

Highly Chemical Resistant

Highly Corrosion Resistant

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Knockout Connection

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114 Products

About Conduit

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

Conduit Type

EMT

The most common choice for indoor walls and ceilings

33 products

RMC

The choice for maximum impact and crush resistance

46 products

Conduit Type

FMC

Protect wiring from crushing as it makes tight bends

18 products

LFMC

Prevent crushing and seal out moisture

26 products

Medium-Wall (IMC) and Thick-Wall (RMC) Metal Conduit and Fittings

The industry standards, IMC and RMC conduit systems offer the most durable protection indoors, outdoors, and underground. Both types have the same outside diameter, so they use many of the same fittings. This interchangeability makes retrofits easier and reduces the parts you need to keep on hand.

Straight Conduit Connectors

Compression

Connection

Threaded

Connection

Join lengths of conduit to create a continuous run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	For Conduit Type	Specs. Met		Each
Compression Conduit Connection







	316 Stainless Steel

	1/2	—	Female	RMC	—	3403K99	000000


	3/4	—	Female	RMC	—	3403K101	00000
	1	—	Female	RMC	—	3403K102	000000
	1 1/2	—	Female	RMC	—	3403K103	000000
	2	—	Female	RMC	—	3403K104	000000


	Threaded Conduit Connection







					316 Stainless Steel

					1/2	NPSM	Female	RMC	C-UL Listed, UL Listed	3403K11	00000


					3/4	NPSM	Female	RMC	C-UL Listed, UL Listed	3403K12	00000
					1	NPSM	Female	RMC	C-UL Listed, UL Listed	3403K13	00000
					1 1/4	NPSM	Female	RMC	C-UL Listed, UL Listed	3403K14	000000
					1 1/2	NPSM	Female	RMC	C-UL Listed, UL Listed	3403K15	000000
					2	NPSM	Female	RMC	C-UL Listed, UL Listed	3403K16	000000

45° Elbow Conduit Connectors

Threaded Connection

Change the direction of your run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Lg.	For Conduit Type	Specs. Met		Each
Threaded Conduit Connection







	316 Stainless Steel

	1/2	NPT	Male	3 3/16"	RMC	C-UL Listed, UL Listed	3403K84	000000


	3/4	NPT	Male	3 3/8"	RMC	C-UL Listed, UL Listed	3403K85	00000
	1	NPT	Male	4 1/2"	RMC	C-UL Listed, UL Listed	3403K86	00000

90° Elbow Conduit Connectors

Threaded Connection

Change the direction of your run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Lg.	For Conduit Type	Specs. Met		Each
Threaded Conduit Connection







	316 Stainless Steel

	1/2	NPT	Male	6 11/16"	RMC	C-UL Listed, UL Listed	3403K21	000000


	3/4	NPT	Male	7 3/16"	RMC	C-UL Listed, UL Listed	3403K22	00000
	1	NPT	Male	9 9/16"	RMC	C-UL Listed, UL Listed	3403K23	00000
	1 1/4	NPT	Male	11 5/8"	RMC	C-UL Listed, UL Listed	3403K24	000000

Straight Electrical Box Connectors


Compression × Threaded	Threaded × Threaded

Attach conduit to a knockout in an electrical box.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Straights											Locknuts
	Conduit Connection			Knockout Connection
	Conduit Trade Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	For Conduit Type	Includes	Specs. Met		Each		Each
Compression Conduit Connection × Threaded Knockout Connection







				316 Stainless Steel

				1/2	—	Female	1/2	NPT	Male	RMC	—	—	3403K94	000000	7513K317	000000


				3/4	—	Female	3/4	NPT	Male	RMC	—	—	3403K95	00000	7513K318	00000
				1	—	Female	1	NPT	Male	RMC	—	—	3403K96	000000	7513K319	00000


				Threaded Conduit and Knockout Connection







								316 Stainless Steel

								1/2	NPT	Female	1/2	NPSM	Male	RMC	Locknut	C-UL Listed, UL Listed	3403K31	000000	———	0


								3/4	NPT	Female	3/4	NPSM	Male	RMC	Locknut	C-UL Listed, UL Listed	3403K32	000000	———	0
								1	NPT	Female	1	NPSM	Male	RMC	Locknut	C-UL Listed, UL Listed	3403K33	000000	———	0
								1 1/4	NPT	Female	1 1/4	NPSM	Male	RMC	Locknut	C-UL Listed, UL Listed	3403K71	000000	———	0
								1 1/2	NPT	Female	1 1/2	NPSM	Male	RMC	Locknut	C-UL Listed, UL Listed	3403K72	000000	———	0
								2	NPT	Female	2	NPSM	Male	RMC	Locknut	C-UL Listed, UL Listed	3403K36	000000	———	0

Thin-Wall (EMT) Metal Conduit and Fittings

With a thinner wall, this conduit is a lighter alternative to IMC and RMC. The most common choice for indoor walls and ceilings, it shields wiring from scrapes and bumps. EMT can dent or crush from impact, however, so it should be routed away from high‑traffic areas where carts and vehicles pass through.

Straight Conduit Connectors

Compression

Connection

Screw-Clamp

Connection

Join lengths of conduit to create a continuous run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Each
Compression Conduit Connection







	316 Stainless Steel

	1/2	Female	1843T21	000000


	3/4	Female	1843T22	00000
	1	Female	1843T23	00000
	1 1/4	Female	1843T52	000000
	1 1/2	Female	1843T53	000000
	2	Female	1843T54	000000


	Screw-Clamp Conduit Connection







					316 Stainless Steel

					1/2	Female	1843T55	00000


					3/4	Female	1843T56	00000
					1	Female	1843T57	00000

45° Elbow Conduit Connectors

Push-In

Connection

Change the direction of your run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

		Each
Push-In Conduit Connection







	316 Stainless Steel

	3/4	Male	7 1/2"	1843T42	000000


	1	Male	8 1/2"	1843T43	00000

90° Elbow Conduit Connectors

Push-In Connection

Change the direction of your run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

		Each
Push-In Conduit Connection







	316 Stainless Steel

	1/2	Male	7"	1843T45	000000


	3/4	Male	7 5/8"	1843T46	00000
	1	Male	9 3/8"	1843T47	00000
	1 1/4	Male	10 3/4"	1843T48	000000
	1 1/2	Male	12"	1843T49	000000
	2	Male	13 5/8"	1843T51	000000

Straight Electrical Box Connectors


Compression × Threaded	Screw-Clamp × Threaded

Attach conduit to a knockout in an electrical box.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Straights								Locknuts
	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes		Each		Each
Compression Conduit Connection × Threaded Knockout Connection







				316 Stainless Steel

				1/2	Female	1/2	NPT	Male	—	1843T11	000000	7513K317	000000


				3/4	Female	3/4	NPT	Male	—	1843T12	00000	7513K318	00000
				1	Female	1	NPT	Male	—	1843T13	00000	7513K319	00000
				1 1/4	Female	1 1/4	NPT	Male	—	1843T31	000000	7513K411	00000
				1 1/2	Female	1 1/2	NPT	Male	—	1843T32	000000	7513K412	00000
				2	Female	2	NPT	Male	—	1843T33	000000	7513K413	00000


				Screw-Clamp Conduit Connection × Threaded Knockout Connection







								316 Stainless Steel

								1/2	Female	1/2	NPT	Male	Locknut	1843T34	00000	———	0


								3/4	Female	3/4	NPT	Male	Locknut	1843T35	00000	———	0
								1	Female	1	NPT	Male	Locknut	1843T36	00000	———	0
								2	Female	2	NPT	Male	Locknut	1843T39	000000	———	0

Liquid-Tight Flexible Metal (LFMC) Conduit and Fittings

Seal out moisture with conduit that also prevents crushing in tight spaces. The corrugated metal core bends around obstacles without damaging cables, and the protective cover keeps water out. Use with compatible fittings for a liquid-tight seal in wet indoor, outdoor, and underground locations.

Straight Electrical Box Connectors

Twist-In ×

Threaded

Attach conduit to a knockout in an electrical box.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Straights								Locknuts
	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Specs. Met		Each		Each
Twist-In Conduit Connection × Threaded Knockout Connection







				316 Stainless Steel

				3/8	Female	3/8	NPT	Male	CSA Certified, UL Listed	1848T11	0000000	———	0


				1/2	Female	1/2	NPT	Male	CSA Certified, UL Listed	1848T12	000000	7513K317	000000
				3/4	Female	3/4	NPT	Male	CSA Certified, UL Listed	1848T13	000000	7513K318	00000
				1	Female	1	NPT	Male	CSA Certified, UL Listed	1848T14	000000	7513K319	00000
				1 1/4	Female	1 1/4	NPT	Male	CSA Certified, UL Listed	1848T15	000000	7513K411	00000
				1 1/2	Female	1 1/2	NPT	Male	CSA Certified, UL Listed	1848T16	000000	7513K412	00000
				2	Female	2	NPT	Male	CSA Certified, UL Listed	1848T17	000000	7513K413	00000

45° Elbow Electrical Box Connectors

Twist-In ×

Threaded

Change the direction of your run to connect to a knockout in an electrical box.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Elbows								Locknuts
	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Specs. Met		Each		Each
Twist-In Conduit Connection × Threaded Knockout Connection







				316 Stainless Steel

				1/2	Female	1/2	NPT	Male	CSA Certified, UL Listed	1848T22	0000000	7513K317	000000


				3/4	Female	3/4	NPT	Male	CSA Certified, UL Listed	1848T23	000000	7513K318	00000
				1	Female	1	NPT	Male	CSA Certified, UL Listed	1848T24	000000	7513K319	00000
				1 1/4	Female	1 1/4	NPT	Male	CSA Certified, UL Listed	1848T25	000000	7513K411	00000
				1 1/2	Female	1 1/2	NPT	Male	CSA Certified, UL Listed	1848T26	000000	7513K412	00000
				2	Female	2	NPT	Male	CSA Certified, UL Listed	1848T27	000000	7513K413	00000

90° Elbow Electrical Box Connectors

Twist-In × Threaded

Change the direction of your run to connect to a knockout in an electrical box.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Elbows								Locknuts
	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Specs. Met		Each		Each
Twist-In Conduit Connection × Threaded Knockout Connection







				316 Stainless Steel

				3/8	Female	3/8	NPT	Male	CSA Certified, UL Listed	1848T31	0000000	———	0


				1/2	Female	1/2	NPT	Male	CSA Certified, UL Listed	1848T32	000000	7513K317	000000
				3/4	Female	3/4	NPT	Male	CSA Certified, UL Listed	1848T33	000000	7513K318	00000
				1	Female	1	NPT	Male	CSA Certified, UL Listed	1848T34	000000	7513K319	00000
				1 1/4	Female	1 1/4	NPT	Male	CSA Certified, UL Listed	1848T35	000000	7513K411	00000
				1 1/2	Female	1 1/2	NPT	Male	CSA Certified, UL Listed	1848T36	000000	7513K412	00000
				2	Female	2	NPT	Male	CSA Certified, UL Listed	1848T37	000000	7513K413	00000

Flexible Metal (FMC) Conduit and Fittings

Make tight bends and protect wiring from being crushed. This corrugated conduit snakes around corners where rigid metal conduit won’t fit. For use indoors, it’s ideal for short connections or runs through walls in spaces that require both flexibility and durability.

Straight Conduit Connectors

Twist-In

Connection

Join lengths of conduit to create a continuous run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Each
Twist-In Conduit Connection







	316 Stainless Steel

	1/2	Male	8533K41	00000


	3/4	Male	8533K42	0000
	1	Male	8533K43	00000

Straight Electrical Box Connectors

Screw-Clamp ×

Threaded

Twist-In ×

Threaded

Attach conduit to a knockout in an electrical box.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes		Each
Screw-Clamp Conduit Connection × Threaded Knockout Connection







				316 Stainless Steel

				3/8	Female	1/2	NPSM	Male	Locknut	8533K11	000000


				1/2	Female	1/2	NPSM	Male	Locknut	8533K12	00000
				3/4	Female	3/4	NPSM	Male	Locknut	8533K13	00000
				1	Female	1	NPSM	Male	Locknut	8533K14	00000
				1 1/4	Female	1 1/4	NPSM	Male	Locknut	8533K15	00000


				Twist-In Conduit Connection × Threaded Knockout Connection







								316 Stainless Steel

								3/8	Male	1/2	NPSM	Male	Locknut	8533K21	00000


								1/2	Male	1/2	NPSM	Male	Locknut	8533K22	00000
								3/4	Male	3/4	NPSM	Male	Locknut	8533K23	00000
								1	Male	1	NPSM	Male	Locknut	8533K24	00000
								1 1/4	Male	1 1/4	NPSM	Male	Locknut	8533K25	00000

90° Elbow Electrical Box Connectors

Screw-Clamp ×

Threaded

Change the direction of your run to connect to a knockout in an electrical box.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes		Each
Screw-Clamp Conduit Connection × Threaded Knockout Connection







				316 Stainless Steel

				3/8	Female	1/2	NPSM	Male	Locknut	8533K31	000000


				1/2	Female	1/2	NPSM	Male	Locknut	8533K32	00000
				3/4	Female	3/4	NPSM	Male	Locknut	8533K33	00000
				1	Female	1	NPSM	Male	Locknut	8533K34	00000
				1 1/4	Female	1 1/4	NPSM	Male	Locknut	8533K35	00000

Conduit Bodies

Installed between runs of conduit, bodies have a removable cover for access inside the system. This makes it possible to pull, splice, and change the direction of wire without dismantling the run.

Straight (C)

Threaded Conduit

Connection

Add to straight runs of conduit.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	For Conduit Type	Specs. Met		Each
Threaded Conduit Connection







	316 Stainless Steel

	1/2	NPT	Female	RMC	UL Listed	8140K71	0000000


	3/4	NPT	Female	RMC	UL Listed	8140K72	000000
	1	NPT	Female	RMC	UL Listed	8140K73	000000
	1 1/2	NPT	Female	RMC	UL Listed	8140K74	000000

Tee (T)

Threaded Conduit

Connection

Split a run of wire in two directions.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	For Conduit Type	Specs. Met		Each
Threaded Conduit Connection







	316 Stainless Steel

	1/2	NPT	Female	RMC	UL Listed	8140K81	0000000


	3/4	NPT	Female	RMC	UL Listed	8140K82	000000
	1	NPT	Female	RMC	UL Listed	8140K83	000000
	1 1/4	NPT	Female	RMC	UL Listed	8140K86	000000
	1 1/2	NPT	Female	RMC	UL Listed	8140K84	000000
	2	NPT	Female	RMC	UL Listed	8140K88	000000

90° Elbow (LB)

Threaded Conduit

Connection

Change the direction of your run.

316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.

	For Conduit Type	Specs. Met		Each
Threaded Conduit Connection







	316 Stainless Steel

	1/2	NPT	Female	RMC	UL Listed	8140K91	0000000


	3/4	NPT	Female	RMC	UL Listed	8140K92	000000
	1	NPT	Female	RMC	UL Listed	8140K93	000000
	1 1/4	NPT	Female	RMC	UL Listed	8140K96	000000
	1 1/2	NPT	Female	RMC	UL Listed	8140K94	000000
	2	NPT	Female	RMC	UL Listed	8140K95	000000