Electrical Line Boxes | McMaster-Carr

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Conduit Trade Size

Material

Shape

Conduit Type

Pipe Size

Conduit Body Designation

Fitting Type

Thread Type

Fitting Connection

Conduit Connection

Environment

Certification

Length

Pipe Schedule

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

Performance

DFARS Specialty Metals

Width

Hazardous Location Rating

NEC Class I Divisions 1, 2 Groups C, D

NEC Class I Divisions 1, 2 Group D

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

NEC Class III Divisions 1, 2

Number of Cable Routing Holes

Component

Height

Cable OD

124 Products

About Conduit

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

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)

Add to straight runs of conduit.

Zinc-Plated Iron—Resist occasional exposure to moisture but not as strong as zinc‑plated steel.

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

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

PVC—Lightweight and chemical resistant, these fittings won't corrode. PVC cement (not included) is required when joining conduit to fittings with push-in connections.

	Conduit Trade Size	Thread Type	Gender	For Conduit Type	Color	Includes	Specs. Met		Each
Threaded Conduit Connection







				Zinc-Plated Iron

				1/2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K71	000000


				3/4	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K72	00000
				1	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K73	00000
				1 1/4	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K74	00000
				1 1/2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K75	00000
				2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K76	000000




						316 Stainless Steel

						1/2	NPT	Female	RMC	—	—	UL Listed	8140K71	000000


						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




								Aluminum

								1/2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K31	0000


								1/2	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K11	0000
								3/4	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K32	0000
								3/4	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K12	0000
								1	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K33	00000
								1	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K13	0000
								1 1/4	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K34	00000
								1 1/4	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K14	00000
								1 1/2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K35	00000
								1 1/2	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K15	00000
								2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K36	00000


								2	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K16	00000


								Push-In Conduit Connection







												PVC

												1/2	—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K11	00000


3/4	—											Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K12	00000
1	—											Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K13	00000
1 1/4	—											Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K14	00000
1 1/2	—	Female										PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K15	00000
2	—	Female	PVC Schedule 40, PVC Schedule 80									Gray	—	CSA Certified, UL Listed	7905K16	00000

Tee (T)

Split a run of wire in two directions.

Zinc-Plated Iron—Resist occasional exposure to moisture but not as strong as zinc‑plated steel.

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

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

PVC—Lightweight and chemical resistant, these fittings won't corrode. PVC cement (not included) is required when joining conduit to fittings with push-in connections.

	Conduit Trade Size	Thread Type	Gender	For Conduit Type	Color	Includes	Specs. Met		Each
Threaded Conduit Connection







				Zinc-Plated Iron

				1/2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K81	000000


				3/4	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K82	00000
				1	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K83	00000
				1 1/2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K85	00000
				2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K86	000000




						316 Stainless Steel

						1/2	NPT	Female	RMC	—	—	UL Listed	8140K81	000000


						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




								Aluminum

								1/2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K51	0000


								1/2	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K81	0000
								3/4	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K52	0000
								3/4	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K82	0000
								1	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K53	00000
								1	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K83	00000
								1 1/4	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K54	00000
								1 1/4	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K84	00000
								1 1/2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K55	00000
								1 1/2	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K85	00000
								2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K56	00000


								2	NPSM	Female	IMC, RMC	—	—	CSA Certified, UL Listed	7153K86	00000


								Push-In Conduit Connection







												PVC

1/2												—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K21	00000


3/4	—											Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K22	00000
1	—											Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K23	00000
1 1/4	—	Female										PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K24	00000
1 1/2	—	Female	PVC Schedule 40, PVC Schedule 80									Gray	—	CSA Certified, UL Listed	7905K25	00000
2	—	Female	PVC Schedule 40, PVC Schedule 80									Gray	—	CSA Certified, UL Listed	7905K26	00000

90° Elbow (LB)

Change the direction of your run.

Zinc-Plated Iron—Resist occasional exposure to moisture but not as strong as zinc‑plated steel.

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

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

PVC—Lightweight and chemical resistant, these fittings won't corrode. PVC cement (not included) is required when joining conduit to fittings with push-in connections.

	Conduit Trade Size	Thread Type	Gender	For Conduit Type	Color	Includes	Specs. Met		Each
Threaded Conduit Connection







				Zinc-Plated Iron

				1/2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K91	000000


				3/4	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K92	00000
				1	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K93	00000
				1 1/4	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K94	00000
				1 1/2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K95	00000
				2	NPT	Female	IMC, RMC	—	—	CSA Certified, UL Listed	9190K96	000000




						316 Stainless Steel

						1/2	NPT	Female	RMC	—	—	UL Listed	8140K91	000000


						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




								Aluminum

								1/2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K41	0000


								1/2	NPSM	Female	IMC, RMC	—	—	UL Listed	7154K71	0000
								3/4	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K42	0000
								3/4	NPSM	Female	IMC, RMC	—	—	UL Listed	7154K72	0000
								1	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K43	00000
								1	NPSM	Female	IMC, RMC	—	—	UL Listed	7154K73	0000
								1 1/4	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K44	00000
								1 1/4	NPSM	Female	IMC, RMC	—	—	UL Listed	7154K74	00000
								1 1/2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K45	00000
								1 1/2	NPSM	Female	IMC, RMC	—	—	UL Listed	7154K75	00000
								2	NPSM	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K46	00000


								2	NPSM	Female	IMC, RMC	—	—	UL Listed	7154K76	00000


								Push-In Conduit Connection







												PVC

1/2	—											Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K31	00000


3/4	—											Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K32	00000
1	—	Female										PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K33	00000
1 1/4	—	Female	PVC Schedule 40, PVC Schedule 80									Gray	—	CSA Certified, UL Listed	7905K34	00000
1 1/2	—	Female	PVC Schedule 40, PVC Schedule 80									Gray	—	CSA Certified, UL Listed	7905K35	00000
2	—	Female	PVC Schedule 40, PVC Schedule 80									Gray	—	CSA Certified, UL Listed	7905K36	00000

90° Elbow (LL, LR)

Threaded Conduit

Connection

Two removable covers let you access wiring from either side. Use elbows to change the direction of a run.

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

	For Conduit Type	Includes	Specs. Met		Each
Threaded Conduit Connection







	Aluminum

	1/2	NPT	Female	EMT, IMC, RMC	Set Screw	C-UL Listed, UL Listed	9128K61	000000


	3/4	NPT	Female	EMT, IMC, RMC	Set Screw	C-UL Listed, UL Listed	9128K62	00000
	1	NPT	Female	EMT, IMC, RMC	Set Screw	C-UL Listed, UL Listed	9128K63	00000
	1 1/4	NPT	Female	EMT, IMC, RMC	Set Screw	C-UL Listed, UL Listed	9128K64	00000
	1 1/2	NPT	Female	EMT, IMC, RMC	Set Screw	C-UL Listed, UL Listed	9128K65	00000
	2	NPT	Female	EMT, IMC, RMC	Set Screw	C-UL Listed, UL Listed	9128K66	000000

Straight, Tee, or 90° Elbow (C, T, LB, LL, LR)


Threaded Conduit Connection	Push-In Conduit Connection

Create an access port that suits your run. These conduit bodies come with cover plates for the openings you aren't using.

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

PVC—Lightweight and chemical resistant, these fittings won't corrode. PVC cement (not included) is required when joining conduit to fittings with push-in connections.

	For Conduit Type	Color	Includes	Specs. Met		Each
Threaded Conduit Connection







	Aluminum

	1/2	NPT	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K21	000000


	3/4	NPT	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K22	00000
	1	NPT	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K23	00000
	1 1/4	NPT	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K24	00000
	1 1/2	NPT	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K25	00000
	2	NPT	Female	EMT, IMC, RMC	—	Set Screw	CSA Certified, UL Listed	9128K26	000000


	Push-In Conduit Connection







					PVC

					1/2	—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K92	0000


					3/4	—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K93	0000
					1	—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K94	0000
					1 1/4	—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K95	00000
					1 1/2	—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K96	00000
					2	—	Female	PVC Schedule 40, PVC Schedule 80	Gray	—	CSA Certified, UL Listed	7905K97	00000

Hazardous Location Straight (C)

Threaded Conduit

Connection

A precision-fit cover seals out gas, dust, and fibers that could cause a fire or explosion if they got inside a conduit system. Add these bodies to straight runs of conduit.

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

	For Conduit Type	Hazardous Location Rating	Specs. Met		Each
Threaded Conduit Connection







	Aluminum

	1/2	NPT	Female	RMC	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	CSA Certified, UL Listed	7862T51	0000000


	3/4	NPT	Female	RMC	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	CSA Certified, UL Listed	7862T52	000000
	1	NPT	Female	RMC	NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2	CSA Certified, UL Listed	7862T53	000000

Hazardous Location Tee (T)

Threaded Conduit

Connection

A precision-fit cover seals out gas, dust, and fibers that could cause a fire or explosion if they got inside a conduit system. These bodies split a run of wire in two directions.

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

	For Conduit Type	Hazardous Location Rating	Specs. Met		Each
Threaded Conduit Connection







	Aluminum

	1/2	NPT	Female	RMC	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	CSA Certified, UL Listed	7862T71	0000000


	3/4	NPT	Female	RMC	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	CSA Certified, UL Listed	7862T77	000000
	1	NPT	Female	RMC	NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2	CSA Certified, UL Listed	7862T78	000000

Hazardous Location 90° Elbow (LB)

Threaded Conduit

Connection

A precision-fit cover seals out gas, dust, and fibers that could cause a fire or explosion if they got inside a conduit system. These bodies change the direction of your run.

Aluminum—One-third the weight of steel that's the same size. Aluminum is also nonmagnetic to prevent electrical interference in nearby equipment.

	For Conduit Type	Hazardous Location Rating	Specs. Met		Each
Threaded Conduit Connection







	Aluminum

	1/2	NPT	Female	RMC	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	CSA Certified, UL Listed	7862T61	0000000


	3/4	NPT	Female	RMC	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	CSA Certified, UL Listed	7862T62	000000
	1	NPT	Female	RMC	NEC Class I Divisions 1, 2 Group D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2	CSA Certified, UL Listed	7862T63	000000

Weatherheads

Create a connection point to route overhead service wire and cable from utility poles to electrical meters, bringing power to buildings.

Aluminum—Made of aluminum, they resist corrosion in outdoor conditions and are lightweight for easy installation.

NEMA 3R Enclosure Rating—Protected by a rounded hood and plastic insulators in unused routing holes, these weatherheads meet NEMA 3R for protection from falling rain, sleet, snow, and dirt, as well as light splashing.

UL Listed—All meet UL safety standards for conduit, tubing, and cable fittings.

	Conduit Connection
	Conduit Trade Size	Conduit Connection	Gender	For Maximum Cable OD (Number of)	Lg.	Wd.	Ht.	Insulation Material	For Conduit Material	Includes	Enclosure Rating	Certification	Specs. Met		Each
For EMT, IMC, and RMC Conduit







				Aluminum

				1/2	Screw Clamp	Female	19/64" (4)	2 11/16"	2 1/4"	2 3/4"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N21	000000


				3/4	Screw Clamp	Female	3/8" (2), 13/32" (3)	3 1/16"	2 7/16"	2 3/4"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N19	00000
				1	Screw Clamp	Female	1/2" (3), 7/16" (2)	3 3/8"	2 3/4"	3 1/16"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N18	00000
				1 1/4	Screw Clamp	Female	5/8" (3), 7/16" (2)	4 3/16"	3 1/16"	3 1/2"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N17	00000
				1 1/2	Screw Clamp	Female	3/4" (3), 19/32" (2), 7/16" (1)	5 1/16"	3 3/4"	4 3/8"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N16	00000
				2	Screw Clamp	Female	1" (3), 3/4" (2), 17/32" (1)	6 11/16"	4 1/4"	5 7/8"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N15	00000
				2 1/2	Screw Clamp	Female	1 5/16" (3), 7/8" (3), 1" (1)	9 1/4"	6 5/16"	7"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N14	000000
				3	Screw Clamp	Female	1 5/16" (3), 7/8" (3), 1" (1)	10 15/16"	7 3/4"	7 1/4"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N13	000000
				4	Screw Clamp	Female	1 3/4" (3), 1 1/8" (4)	12 3/4"	7 3/4"	8 5/8"	Plastic	Aluminum	Set Screws	NEMA 3R	UL Listed	UL 514B	9423N11	000000

Weatherhead Kits

Create a weatherproof entry point into a building for service cables and telephone lines—these kits have all the supplies you need. The weatherhead has a rounded hood and plastic insulators in its routing holes to protect your wiring from water. The weatherhead is also lightweight, so it’s easy to install. To keep your roof watertight, the roof flashing directs water away from the point your conduit enters.

Aluminum Weatherhead—Made of aluminum, the weatherhead resists corrosion.

UL Listed—The included weatherhead, wire holders, and conduit supports meet UL safety standards for conduit, tubing, and cable fittings.

NEMA 3R Enclosure Rating—They meet NEMA 3R for protection from falling rain, sleet, snow, and dirt. They also handle light splashing from the side.

	Conduit Connection				Weatherhead
	Conduit Trade Size	Conduit Connection	Gender	For Maximum Cable OD (Number of)	Lg.	Wd.	Ht.	Insulation Material	For Conduit Material	Component (Certifications)	Includes	Enclosure Rating		Each
For EMT, IMC, and RMC Conduit







				Aluminum Weatherhead

				2	Screw Clamp	Female	1" (3), 3/4" (2), 17/32" (1)	6 3/4"	4 5/8"	6"	Plastic	Aluminum	Weatherhead (UL Listed)—E148715 Wire Holders (UL Listed)—E58921 Roof Flashing Conduit Supports (UL Listed)—E58921	Set Screws	NEMA 3R	6362N11	000000