Conduit Wire Connectors | McMaster-Carr

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Knockout Connection

21 Products

About Conduit

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.

Adapters with a wire-mesh grip provide strain relief and added protection against conduit pullout.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 Wire-Mesh Grip and Locknut

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Features	Specifications Met		Each
Adapters with Wire-Mesh Grip and Locknut—Zinc-Plated Steel
3/8	Twist-In	Female	1/2	NPT	Male	6" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1/2	Twist-In	Female	1/2	NPT	Male	5 1/4" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	00000
3/4	Twist-In	Female	3/4	NPT	Male	6 1/2" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	00000
1	Twist-In	Female	1	NPT	Male	7 3/4" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	10 5/8" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	11" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
2	Twist-In	Female	2	NPT	Male	14" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000

45° Elbow Adapters

Adapter with Wire-Mesh Grip and Locknut

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Features	Specifications Met		Each
Adapters with Wire-Mesh Grip and Locknut—Zinc-Plated Steel
3/8	Twist-In	Female	1/2	NPT	Male	6" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1/2	Twist-In	Female	1/2	NPT	Male	5 1/4" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	00000
3/4	Twist-In	Female	3/4	NPT	Male	6 1/2" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1	Twist-In	Female	1	NPT	Male	7 3/4" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	10 5/8" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	11" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
2	Twist-In	Female	2	NPT	Male	14" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000

90° Elbow Adapters

Adapter with Wire-Mesh Grip and Locknut

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Conduit Connection Type	Gender	Pipe Size	Thread Type	Gender	Features	Specifications Met		Each
Adapters with Wire-Mesh Grip and Locknut—Zinc-Plated Steel
3/8	Twist-In	Female	1/2	NPT	Male	6" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1/2	Twist-In	Female	1/2	NPT	Male	5 1/4" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	00000
3/4	Twist-In	Female	3/4	NPT	Male	6 1/2" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1	Twist-In	Female	1	NPT	Male	7 3/4" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1 1/4	Twist-In	Female	1 1/4	NPT	Male	10 5/8" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
1 1/2	Twist-In	Female	1 1/2	NPT	Male	11" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000
2	Twist-In	Female	2	NPT	Male	14" lg. Stainless Steel Wire-Mesh Grip	UL Listed, CSA Certified	00000000	000000