4/5" Tubing | McMaster-Carr

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	For Knockout Trade Size	Gender	Includes		Each
Twist-In Conduit Connection × Threaded Electrical Box Connection
1/2	Male	1/2	NPSM	__	Male	Locknut	0000000	00000
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	__	Male	Locknut	0000000	0000
Screw-Clamp Conduit Connection × Snap-In Electrical Box Connection
1/2	Female	__	__	1/2	Male	__	0000000	0000

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
1/2	Female	1/2	NPSM	Male	Locknut	0000000	00000

Straight Adapters—Aluminum

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

Aluminum adapters provide some corrosion resistance.

Conduit Connection			Electrical Box Connection
Conduit Trade Size	Gender	Thread Type	Pipe Size	Gender	Includes	Specifications Met		Each
Screw-On Conduit Connection × Threaded Electrical Box Connection
1/2	Female	NPSM	1/2	Male	Locknut	UL Listed, C-UL Listed	0000000	00000

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
1/2	Female	1/2	NPSM	Male	Locknut	UL Listed, C-UL Listed	0000000	00000

Straight Adapters—316 Stainless Steel

Screw-Clamp × Threaded

Twist-In × Threaded

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.

316 stainless steel adapters are the most corrosion resistant.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	Locknut	0000000	000000
Twist-In Conduit Connection × Threaded Electrical Box Connection
1/2	Male	1/2	NPSM	Male	Locknut	0000000	00000

90° Elbow Adapters—Zinc

Attach flexible metal conduit to a knockout in an outlet box or enclosure.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	0000000	00000

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
1/2	Female	1/2	NPSM	Male	0000000	00000

90° Elbow Adapters—316 Stainless Steel

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

316 stainless steel adapters are the most corrosion resistant.

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	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
1/2	Twist-In	Male	0000000	00000

Connectors—316 Stainless Steel

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

316 stainless steel connectors have superior corrosion resistance.

Conduit Connection
Conduit Trade Size	Conduit Connection Type	Gender		Each
1/2	Twist-In	Male	0000000	00000

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.
1/2	Female	Red	50	0000000	000000