Zinc Wire | McMaster-Carr

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128 Products

About Conduit

Create a loop without speciality tools. To install, feed wire rope through the clamp in one direction, form a loop, and feed the rope back through in the opposite direction. Once installed, the loop can be easily adjusted and secured. Also known as Gripple rope clamps. They are for use in noncritical applications, such as fencing.

Warning: Test all assemblies for required strength before use. Do not use with coated rope unless the coating is removed.

For Wire Rope		Clamp
Dia.	Construction	Lg.	Wd.	Thick.	Capacity, lbs.	Loop Adjustment Type		Each
Zinc
1/16"	1 × 19 Strand Core 7 × 7 Strand Core	1"	3/4"	1/4"	33	Push Button	00000000	00000
5/64", 3/32"	1 × 19 Strand Core 7 × 7 Strand Core	1 5/16"	1 1/4"	3/8"	100	Hex Key	00000000	0000
1/8"	1 × 19 Strand Core 7 × 7 Strand Core	3"	1 1/8"	1/2"	80	Set Screw	0000000	00000
3/16"	7 × 19 Strand Core	3 3/8"	1 3/8"	1/2"	200	Set Screw	0000000	00000
1/4"	7 × 19 Strand Core	2 3/8"	1 5/8"	1/2"	200	Set Screw	0000000	00000
3/8"	7 × 19 Strand Core	5 1/4"	2 1/8"	3/4"	800	Set Screw	0000000	00000

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.

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

For technical drawings and 3-D models, click on a part number.

Straight Adapters

Adapter with Locknut

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Adapters with Locknut—Zinc
3/8	Twist-In	Female	1/2	NPT	Male	UL Listed, C-UL Listed	0000000	00000
1/2	Twist-In	Female	1/2	NPT	Male	UL Listed, C-UL Listed	0000000	0000
3/4	Twist-In	Female	3/4	NPT	Male	UL Listed, C-UL Listed	0000000	0000
1	Twist-In	Female	1	NPT	Male	UL Listed, C-UL Listed	0000000	0000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	UL Listed, C-UL Listed	0000000	00000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	UL Listed, C-UL Listed	0000000	00000
2	Twist-In	Female	2	NPT	Male	UL Listed, C-UL Listed	0000000	00000

90° Elbow Adapters

Adapter with Locknut

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Adapters with Locknut—Zinc
3/8	Twist-In	Female	1/2	NPT	Male	UL Listed, C-UL Listed	0000000	00000
1/2	Twist-In	Female	1/2	NPT	Male	UL Listed, C-UL Listed	0000000	0000
3/4	Twist-In	Female	3/4	NPT	Male	UL Listed, C-UL Listed	0000000	0000
1	Twist-In	Female	1	NPT	Male	UL Listed, C-UL Listed	0000000	00000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	UL Listed, C-UL Listed	0000000	00000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	UL Listed, C-UL Listed	0000000	00000
2	Twist-In	Female	2	NPT	Male	UL Listed, C-UL Listed	0000000	00000

Adapters for Flexible Metal Conduit and Armored Cable

Attach flexible metal conduit and types AC and MC armored cable to a knockout in an outlet box or enclosure. Wye adapters join two pieces of conduit or armored cable to one knockout. The snap-in end has tabs that snap into the knockout without locknuts or tools.

The screw-clamp end tightens around conduit with a screw.

For technical drawings and 3-D models, click on a part number.

Straight Adapters—Zinc

Screw-Clamp × Snap-In

Screw-Clamp
× Threaded—
With Two Screws

Screw-Clamp × Threaded

Push-In × Snap-In

Conduit Connection		For Armored Cable		Electrical Box Connection
Conduit Trade Size	Gender	OD	Type	Pipe Size	Thread Type	For Knockout Trade Size	Gender	Includes	Specifications Met		Each
Screw-Clamp Conduit Connection × Snap-In Electrical Box Connection
3/8	Female	0.44"-0.61"	AC, MC	__	__	1/2	Male	__	UL Listed, CSA Certified	0000000	00000
1/2	Female	0.71"-0.91"	AC, MC	__	__	1/2	Male	__	UL Listed, CSA Certified	0000000	0000
3/4	Female	0.84"-1.11"	AC, MC	__	__	3/4	Male	__	UL Listed, CSA Certified	0000000	0000
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	0.44"-0.61"	AC, MC	1/2	NPSM	__	Male	Locknut, Two Screws	UL Listed, CSA Certified	0000000	0000
3/8	Female	0.56"-0.61"	AC, MC	1/2	NPSM	__	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1/2	Female	0.86"-0.92"	AC	1/2	NPSM	__	Male	Locknut	UL Listed, CSA Certified	0000000	0000
Push-In Conduit Connection × Snap-In Electrical Box Connection
3/8	Female	0.44"-0.61"	AC, MC	__	__	1/2	Male	__	UL Listed, CSA Certified	0000000	0000

90° Elbow Adapters—Zinc

Conduit Connection		For Armored Cable		Electrical Box Connection
Conduit Trade Size	Gender	OD	Type	Pipe Size	Thread Type	Gender	Includes	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	0.45"-0.62"	MC	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
1/2	Female	0.75"-0.87"	MC	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
3/4	Female	0.87"-1"	MC	3/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1.18"-1.31"	MC	1	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
1 1/4	Female	1.5"-1.62"	MC	1 1/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000

Wye Adapters—Zinc

Push-In × Snap-In

Screw-Clamp × Snap-In

Screw-Clamp × Threaded

Conduit Connection		For Armored Cable		Electrical Box Connection
Conduit Trade Size	Gender	OD	Type	Pipe Size	Thread Type	For Knockout Trade Size	Gender	Includes	Specifications Met		Each
Push-In Conduit Connection × Snap-In Electrical Box Connection
3/8	Female	0.44"-0.61"	AC, MC	__	__	1/2	Male	__	UL Listed, CSA Certified	0000000	00000
Screw-Clamp Conduit Connection × Snap-In Electrical Box Connection
3/8	Female	0.44"-0.61"	AC, MC	__	__	1/2	Male	__	UL Listed, CSA Certified	0000000	0000
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	0.44"-0.61"	AC, MC	1/2	NPSM	__	Male	Locknut	UL Listed, CSA Certified	0000000	0000

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.

For technical drawings and 3-D models, click on a part number.

Straight Adapters—Zinc

Screw-Clamp × Threaded

Twist-In × Threaded

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/4	Female	3/4	NPSM	Male	UL Listed, CSA Certified	0000000	00000
1	Female	1	NPSM	Male	UL Listed, C-UL Listed	0000000	0000
1 1/4	Female	1 1/4	NPSM	Male	UL Listed, C-UL Listed	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	UL Listed, C-UL Listed	0000000	00000
2	Female	2	NPSM	Male	UL Listed, C-UL Listed	0000000	00000
Twist-In Conduit Connection × Threaded Electrical Box Connection
3/8	Male	1/2	NPSM	Male	UL Listed, CSA Certified	0000000	0000
1/2	Male	1/2	NPSM	Male	UL Listed, CSA Certified	0000000	0000
3/4	Male	3/4	NPSM	Male	UL Listed, CSA Certified	0000000	0000
1	Male	1	NPSM	Male	UL Listed, CSA Certified	0000000	0000
1 1/4	Male	1 1/4	NPSM	Male	UL Listed, CSA Certified	0000000	00000
1 1/2	Male	1 1/2	NPSM	Male	UL Listed, CSA Certified	0000000	00000
2	Male	2	NPSM	Male	UL Listed, CSA Certified	0000000	00000

90° Elbow Adapters—Zinc

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	1/2	NPSM	Male	UL Listed, C-UL Listed	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	UL Listed, CSA Certified	0000000	00000
2	Female	2	NPSM	Male	UL Listed, CSA Certified	0000000	00000

Adapters for Thin-Wall (EMT) Steel Conduit

Use these adapters to attach thin-wall (EMT) steel conduit to a knockout in an outlet box or enclosure. 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.

Adapters with grommet protect wire and cable from abrasion when being pulled.

Adapters with O-ring prevent liquid from entering the conduit. They meet UL raintight standards when used with EMT conduit.

For technical drawings and 3-D models, click on a part number.

Straight Adapters—Zinc

Compression

Screw-Clamp

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes	Specifications Met		Each
Compression Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	00000
1/2	Female	1/2	NPSM	Male	Grommet, Locknut, O-Ring	UL Listed	0000000	0000
1/2	Female	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1/2	Female	1/2	NPSM	Male	Locknut, O-Ring	UL Listed	0000000	0000
3/4	Female	3/4	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	0000
3/4	Female	3/4	NPSM	Male	Grommet, Locknut, O-Ring	UL Listed	0000000	0000
3/4	Female	3/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
3/4	Female	3/4	NPSM	Male	Locknut, O-Ring	UL Listed	0000000	0000
1	Female	1	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	Grommet, Locknut, O-Ring	UL Listed	0000000	00000
1	Female	1	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	Locknut, O-Ring	UL Listed	0000000	00000
1 1/4	Female	1 1/4	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	00000
1 1/4	Female	1 1/4	NPSM	Male	Grommet, Locknut, O-Ring	UL Listed	0000000	00000
1 1/4	Female	1 1/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1 1/4	Female	1 1/4	NPSM	Male	Locknut, O-Ring	UL Listed	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	Grommet, Locknut, O-Ring	UL Listed	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	Locknut, O-Ring	UL Listed	0000000	00000
2	Female	2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	00000
2	Female	2	NPSM	Male	Grommet, Locknut, O-Ring	UL Listed	0000000	00000
2	Female	2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
2	Female	2	NPSM	Male	Locknut, O-Ring	UL Listed	0000000	00000
2 1/2	Female	2 1/2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	00000000	00000
2 1/2	Female	2 1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	00000000	00000
3	Female	3	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	00000000	00000
3	Female	3	NPSM	Male	Locknut	UL Listed, CSA Certified	00000000	00000
4	Female	4	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	00000000	00000
4	Female	4	NPSM	Male	Locknut	UL Listed, CSA Certified	00000000	00000
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	0000
1/2	Female	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
3/4	Female	3/4	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	0000
3/4	Female	3/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1 1/4	Female	1 1/4	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	0000
1 1/4	Female	1 1/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1 1/2	Female	1 1/2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
2	Female	2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	0000000	00000
2	Female	2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
2 1/2	Female	2 1/2	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	00000000	00000
2 1/2	Female	2 1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	00000000	00000
3	Female	3	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	00000000	00000
3	Female	3	NPSM	Male	Locknut	UL Listed, CSA Certified	00000000	00000
4	Female	4	NPSM	Male	Grommet, Locknut	UL Listed, CSA Certified	00000000	00000
4	Female	4	NPSM	Male	Locknut	UL Listed, CSA Certified	00000000	00000

90° Elbow Adapters—Zinc

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes	Specifications Met		Each
Compression Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
3/4	Female	3/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000

Offset Elbow Adapters—Zinc

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Offset Lg.	Includes	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	3/8"	Locknut	UL Listed, CSA Certified	0000000	00000
3/4	Female	3/4	NPSM	Male	3/4"	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	1"	Locknut	UL Listed	0000000	00000

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

Attach medium-wall (IMC) and thick-wall (rigid) steel conduit to a knockout in an outlet box or enclosure. NPT female × NPSM male straight adapters are also known as hubs. They have an insulated throat to protect wire and cable from abrasion when being pulled. Use in wet or dry locations.

NPSM male × flanged end male straight adapters are also known as conduit nipples, chase nipples, and box adapters. The flange installs through a knockout from inside an outlet box or enclosure. Use with a locknut (not included) to create a short raceway between boxes or enclosures.

For technical drawings and 3-D models, click on a part number.

Straight Adapters—Threaded Conduit Connection × Threaded Electrical Box Connection

Conduit Connection				Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	Material	Includes	Specifications Met		Each
1/2	1/2	NPT	Female	1/2	NPSM	Male	Zinc	Locknut	UL Listed, C-UL Listed, CSA Certified	0000000	00000
3/4	3/4	NPT	Female	3/4	NPSM	Male	Zinc	Locknut	UL Listed, C-UL Listed, CSA Certified	0000000	00000
1	1	NPT	Female	1	NPSM	Male	Zinc	Locknut	UL Listed, C-UL Listed, CSA Certified	0000000	00000
1 1/4	1 1/4	NPT	Female	1 1/4	NPSM	Male	Zinc	Locknut	UL Listed, C-UL Listed, CSA Certified	0000000	00000
1 1/2	1 1/2	NPT	Female	1 1/2	NPSM	Male	Zinc	Locknut	UL Listed, C-UL Listed, CSA Certified	0000000	00000
2	2	NPT	Female	2	NPSM	Male	Zinc	Locknut	UL Listed, C-UL Listed, CSA Certified	0000000	00000

Straight Adapters—Threaded Conduit Connection × Flanged End Electrical Box Connection

Conduit Connection				Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	For Knockout Trade Size	Gender	Lg.	Material	Specifications Met		Each
1/2	1/2	NPSM	Male	1/2	Male	5/8"	Zinc	UL Listed, C-UL Listed, CSA Certified	0000000	00000
3/4	3/4	NPSM	Male	3/4	Male	3/4"	Zinc	UL Listed, C-UL Listed, CSA Certified	0000000	0000
1	1	NPSM	Male	1	Male	13/16"	Zinc	UL Listed, C-UL Listed, CSA Certified	0000000	0000
1 1/4	1 1/4	NPSM	Male	1 1/4	Male	7/8"	Zinc	UL Listed, C-UL Listed, CSA Certified	0000000	0000
1 1/2	1 1/2	NPSM	Male	1 1/2	Male	15/16"	Zinc	UL Listed, C-UL Listed, CSA Certified	0000000	0000
2	2	NPSM	Male	2	Male	1"	Zinc	UL Listed, C-UL Listed, CSA Certified	0000000	0000

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

Join pieces of medium-wall (IMC) and thick-wall (rigid) conduit.

Offset elbow connectors join knockouts on outlet boxes or enclosures that do not align.

For technical drawings and 3-D models, click on a part number.

Offset Elbow Connectors—Threaded Conduit or Electrical Box Connection

Conduit or Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Offset Lg.	Material	Specifications Met		Each
1/2	1/2	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	00000
3/4	3/4	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
1	1	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
1 1/4	1 1/4	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
1 1/2	1 1/2	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
2	2	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	00000

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

Grounding Clamp

Grounding Clamp With Hinge

Ground conduit by running a ground wire through the attached lug. The included grommet protects wire and cable from abrasion when being pulled. Use with medium-wall (IMC) and thick-wall (rigid) steel conduit.

Grounding clamps with hinge open for quick installation around conduit and secure with a screw.

For technical drawings and 3-D models, click on a part number.

Grounding Clamp
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	Compatible With	Specifications Met		Each
1/2	1/2	NPSM	Female	Zinc	Aluminum Wire, Copper Wire	UL Listed, ANSI/NEMA FB 1	00000000	000000
Grounding Clamp with Hinge
3/4	__	__	Female	Zinc	Aluminum Wire, Copper Wire	UL Listed, ANSI/NEMA FB 1	00000000	00000
1	__	__	Female	Zinc	Aluminum Wire, Copper Wire	UL Listed, ANSI/NEMA FB 1	00000000	00000
1 1/4	__	__	Female	Zinc	Aluminum Wire, Copper Wire	UL Listed, ANSI/NEMA FB 1	00000000	00000
1 1/2	__	__	Female	Zinc	Aluminum Wire, Copper Wire	UL Listed, ANSI/NEMA FB 1	00000000	00000
2	__	__	Female	Zinc	Aluminum Wire, Copper Wire	UL Listed, ANSI/NEMA FB 1	00000000	00000

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About Conduit

Quick-Adjust Wire Rope Clamps—Not for Lifting

Fittings for Liquid-Tight Flexible Metal Conduit

Adapters for Flexible Metal Conduit and Armored Cable

Adapters for Flexible Metal Conduit

Adapters for Thin-Wall (EMT) Steel Conduit

Adapters 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