2.16" Tubing | McMaster-Carr

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.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes		Each
Twist-In Conduit Connection × Threaded Electrical Box Connection
2	Male	2	NPSM	Male	Locknut	0000000	000000
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
2	Female	2	NPSM	Male	Locknut	0000000	00000

Straight Adapters—Iron

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

Iron adapters are stronger and more durable than zinc adapters.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
2	Female	2	NPT	Male	Locknut	0000000	000000

Straight Adapters—Steel

Attach flexible metal conduit to a knockout in an outlet box or enclosure. The screw-on end screws onto the OD of conduit.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes	Specifications Met		Each
Screw-On Conduit Connection × Threaded Electrical Box Connection
2	Female	2	NPSM	Male	Locknut	UL Listed, C-UL Listed	0000000	000000

90° Elbow Adapters—Zinc

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

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
2	Female	2	NPSM	Male	0000000	000000

90° Elbow Adapters—Iron

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

Iron adapters are stronger and more durable than zinc adapters.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
2	Female	2	NPSM	Male	0000000	000000

Connectors—Zinc

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

Zinc connectors are for light duty applications.

Conduit Connection
Conduit Trade Size	Conduit Connection Type	Gender		Each
2	Twist-In	Male	0000000	000000

Grommets—Plastic

Also known as antishort bushings, these grommets slide into the ends of conduit and types AC and MC armored cable to protect wire and cable from sharp edges.

Conduit Connection
Conduit Trade Size	Gender	Color	Pkg. Qty.		Pkg.
2	Female	Red	1	00000000	00000