McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    84 Products
    About Conduit
    industrial info icon

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

    Conduit Type

    Conduit Type

    Fitting Type

    Continuous-Flex Plastic (MPT) Conduit and Fittings

    Image of System. Front orientation. Conduit and Fittings. Continuous-Flex Plastic (MPT) Conduit and Fittings.
    Flex over and over without stretching or wearing out. This corrugated conduit protects wiring in moving equipment, such as pick-and-place grippers and robotic arms. Pair it with compatible fittings to seal out liquid and protect wiring indoors and outdoors. Conduit and fittings are made of nylon to resist moisture and chemicals.
    Conduit
    Image of Product. Front orientation. Conduit and Fittings. Continuous-Flex Plastic (MPT) Conduit and Fittings, Conduit .
    Run wiring through conduit to route and protect it.
    Per Ft.
    ID
    OD
    Bend
    Radius
    Temp.,
    ° F
    Specs. Met
    Choose a Length, ft.
    1-99
    100-Up
     
    Nylon
    0.24"0.39"2"-55 to 200CE Marked
    		10, 25, 50, 1003146K290000000000
    0.38"0.51"2"-55 to 200CE Marked
    		10, 25, 50, 1003146K3100000000
    0.47"0.62"3"-55 to 200C-UL Recognized Component, CE Marked, UL Recognized Component5, 10, 25, 50, 1003146K2300000000
    0.64"0.84"3"-55 to 200C-UL Recognized Component, CE Marked, UL Recognized Component5, 10, 25, 50, 1003146K2400000000
    0.89"1.12"4"-55 to 200C-UL Recognized Component, CE Marked, UL Recognized Component5, 10, 25, 50, 1003146K26000000000
    1.14"1.36"4"-55 to 200C-UL Recognized Component, CE Marked, UL Recognized Component5, 10, 25, 50, 1003146K27000000000
    1.44"1.67"7"-55 to 200C-UL Recognized Component, CE Marked, UL Recognized Component5, 10, 25, 503146K280000000000
    1.87"2.15"7"-55 to 200C-UL Recognized Component, CE Marked, UL Recognized Component2, 5, 10, 25, 503146K320000000000
     
    Straight Electrical Box Connectors
    Image of Product. Snap-In × Threaded. Front orientation. Conduit and Fittings. Continuous-Flex Plastic (MPT) Conduit and Fittings, Connector Fitting, Straight, Snap-In Conduit Connection × Threaded Knockout Connection.

    Snap-In ×

    Threaded

    Attach conduit to a knockout in an electrical box.
    Straights
    Locknuts
    Conduit
    Connection
    Knockout
    Connection
    For Conduit
    OD
    Gender
    OD
    Pipe
    Size
    Thread
    Type
    Gender
    Color
    Temp.,
    ° F
    Enclosure
    Rating
    Specs. Met
    Each
    Each
    Snap-In Conduit Connection × Threaded Knockout Connection
     
    Nylon
    0.39"Female0.91"—PG (PG-11)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K122000003185K9100000
    0.51"Female0.91"—PG (PG-11)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K12300003185K910000
    0.62"Female0.93"—PG (PG-11)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K1100003185K910000
    0.62"Female1.02"1/2
    		NPT
    		MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K6200003185K1120000
    0.84"Female1.16"—PG (PG-16)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K1200003185K930000
    0.84"Female1.16"1/2
    		NPT
    		MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K6400003185K1120000
    1.12"Female1.46"—PG (PG-21)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K13000003185K940000
    1.12"Female1.46"3/4
    		NPT
    		MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K66000003185K1130000
    1.36"Female1.73"—PG (PG-29)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K14000003185K950000
    1.36"Female1.73"1
    		NPT
    		MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K68000003185K1140000
    1.67"Female2.17"—PG (PG-36)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K15000003185K9600000
    1.67"Female2.17"1 1/4
    		NPT
    		MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K71000003185K1150000
    2.15"Female2.72"—PG (PG-48)MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K124000003185K13300000
    2.15"Female2.72"1 1/2
    		NPT
    		MaleBlack-40 to 220IP66
    		UL Recognized Component
    		3185K121000003185K1160000
     
    90° Elbow Electrical Box Connectors
    Image of Product. Snap-In × Threaded. Front orientation. Conduit and Fittings. Continuous-Flex Plastic (MPT) Conduit and Fittings, Connector Fitting, 90° Elbow, Snap-In Conduit Connection × Threaded Knockout Connection.

    Snap-In × Threaded

    Change the direction of your run to connect to a knockout in an electrical box.
    Elbows
    Locknuts
    Conduit
    Connection
    Knockout
    Connection
    For Conduit
    OD
    Gender
    OD
    Pipe
    Size
    Thread
    Type
    Gender
    Lg.
    Color
    Temp.,
    ° F
    Enclosure
    Rating
    Specs. Met
    Each
    Each
    Snap-In Conduit Connection × Threaded Knockout Connection
     
    Nylon
    0.39"Female0.91"—PG (PG-11)Male1 1/2"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K1260000003185K9100000
    0.51"Female0.91"—PG (PG-11)Male1 5/8"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K127000003185K910000
    0.62"Female0.93"—PG (PG-11)Male1 13/16"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K16000003185K910000
    0.62"Female1.02"1/2
    		NPT
    		Male1 7/8"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K63000003185K1120000
    0.84"Female1.16"—PG (PG-16)Male2 5/16"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K17000003185K930000
    0.84"Female1.16"1/2
    		NPT
    		Male2 5/16"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K65000003185K1120000
    1.12"Female1.46"—PG (PG-21)Male2 5/8"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K18000003185K940000
    1.12"Female1.46"3/4
    		NPT
    		Male2 5/8"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K67000003185K1130000
    1.36"Female1.73"—PG (PG-29)Male2 15/16"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K19000003185K950000
    1.36"Female1.73"1
    		NPT
    		Male2 7/8"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K69000003185K1140000
    1.67"Female2.17"—PG (PG-36)Male3 7/8"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K21000003185K9600000
    1.67"Female2.17"1 1/4
    		NPT
    		Male3 3/4"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K72000003185K1150000
    2.15"Female2.72"—PG (PG-48)Male4 3/8"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K128000003185K13300000
    2.15"Female2.72"1 1/2
    		NPT
    		Male4 3/16"Black-40 to 220IP66
    		CE Marked, CSA Certified, UL Recognized Component3185K125000003185K1160000
     

    Flexible Plastic (ENT and MPT) Conduit Support Clips

    Image of Product. Front orientation. Conduit and Fittings. Flexible Plastic (ENT and MPT) Conduit Support Clips.
    Hold flexible plastic conduit in place along walls and machines.
    Nylon—Lightweight and chemical resistant, these fittings won't corrode.
    Mounting
    Holes
    For Max.
    Conduit OD
    For Conduit
    Type
    Ht.
    Wd.
    Color
    Temp.,
    ° F
    Fasteners
    Included
    No.
    of
    Dia.
    Each
    Nylon
    0.39"ENT, MPT
    		0.85"0.67"Black-40 to 220No10.18"3185K12900000
    0.51"ENT, MPT
    		0.96"0.81"Black-40 to 220No10.22"3185K1310000
    0.62"ENT, MPT
    		1.06"0.94"Black-40 to 220No10.22"3185K780000
    0.84"ENT, MPT
    		1.34"1.18"Black-40 to 220No10.26"3185K790000
    1.12"ENT, MPT
    		1.65"1.52"Black-40 to 220No10.26"3185K810000
    1.36"ENT, MPT
    		1.89"1.79"Black-40 to 220No10.26"3185K8200000
    1.67"ENT, MPT
    		2.2"2.19"Black-40 to 220No10.26"3185K8800000
    2.15"ENT, MPT
    		2.68"2.66"Black-40 to 220No10.26"3185K13200000
     

    Liquid-Tight Flexible Plastic (LFNC-A) Conduit and Fittings

    Image of System. Front orientation. Conduit and Fittings. Liquid-Tight Flexible Plastic (LFNC-A) Conduit and Fittings.
    Keep out moisture and protect wiring against strain from constant stretching and vibration. Made of reinforced PVC that resists chemicals, this conduit is often used in robotics and other continuous-motion applications. Pair with compatible fittings for a liquid-tight seal indoors, outdoors, or underground.
    Conduit
    Image of Product. Front orientation. Conduit and Fittings. Liquid-Tight Flexible Plastic (LFNC-A) Conduit and Fittings, Conduit .
    Run wiring through conduit to route and protect it.
    Per Ft.
    Conduit
    Trade Size
    Bend
    Radius
    Color
    Temp.,
    ° F
    Specs. Met
    Choose a Length, ft.
    1-99
    100-Up
    PVC
    3/8
    		3"Orange0 to 140CSA Certified, UL Listed2, 5, 10, 25, 50, 1008465K260000000000
    1/2
    		3"Orange0 to 140CSA Certified, UL Listed2, 5, 10, 25, 50, 1008465K22000000000
    3/4
    		4"Orange0 to 140CSA Certified, UL Listed2, 5, 10, 25, 50, 1008465K230000000000
    1
    		6"Orange0 to 140CSA Certified, UL Listed2, 5, 10, 25, 50, 1008465K240000000000
    1 1/4
    		7"Orange0 to 140CSA Certified, UL Listed2, 5, 10, 25, 508465K250000000000
    1 1/2
    		8"Orange0 to 140CSA Certified, UL Listed2, 5, 10, 25, 508465K270000000000
    2
    		9"Orange0 to 140CSA Certified, UL Listed2, 5, 10, 25, 508465K280000000000
     
    Straight Electrical Box Connectors
    Image of Product. Twist-In × Threaded. Front orientation. Conduit and Fittings. Liquid-Tight Flexible Plastic (LFNC-A) Conduit and Fittings, Connector Fitting, Straight, Twist-In Conduit Connection × Threaded Knockout Connection.

    Twist-In ×

    Threaded

    Attach conduit to a knockout in an electrical box.
    Zinc-Plated Steel—The strength of steel with a plating that protects from occasional exposure to moisture.
    Acetal—Lightweight and chemical resistant, these fittings won't corrode. However, they're not as strong as zinc-plated steel.
    Conduit
    Connection
    Knockout
    Connection
    Conduit
    Trade Size
    Gender
    Pipe
    Size
    Thread
    Type
    Gender
    Color
    Temp.,
    ° F
    Includes
    Specs.
    Met
    Each
    Twist-In Conduit Connection × Threaded Knockout Connection
     
    Zinc-Plated Steel
    3/8
    		Female1/2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K41000000
    1/2
    		Female1/2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K4200000
    3/4
    		Female3/4
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K4300000
    1
    		Female1
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K4400000
    1 1/4
    		Female1 1/4
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K45000000
    1 1/2
    		Female1 1/2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K47000000
    2
    		Female2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K48000000
     
    Acetal
    1/2
    		Female1/2
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K5200000
    3/4
    		Female3/4
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K5300000
    1
    		Female1
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K5400000
    1 1/4
    		Female1 1/4
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K5500000
     
    90° Elbow Electrical Box Connectors
    Image of Product. Twist-In × Threaded. Front orientation. Conduit and Fittings. Liquid-Tight Flexible Plastic (LFNC-A) Conduit and Fittings, Connector Fitting, 90° Elbow, Twist-In Conduit Connection × Threaded Knockout Connection.

    Twist-In ×

    Threaded

    Change the direction of your run to connect to a knockout in an electrical box.
    Zinc-Plated Steel—The strength of steel with a plating that protects from occasional exposure to moisture.
    Acetal—Lightweight and chemical resistant, these fittings won't corrode. However, they're not as strong as zinc-plated steel.
    Conduit
    Connection
    Knockout
    Connection
    Conduit
    Trade Size
    Gender
    Pipe
    Size
    Thread
    Type
    Gender
    Color
    Temp.,
    ° F
    Includes
    Specs.
    Met
    Each
    Twist-In Conduit Connection × Threaded Knockout Connection
     
    Zinc-Plated Steel
    3/8
    		Female1/2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K49000000
    1/2
    		Female1/2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K7100000
    3/4
    		Female3/4
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K7200000
    1
    		Female1
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K73000000
    1 1/4
    		Female1 1/4
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K74000000
    1 1/2
    		Female1 1/2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K75000000
    2
    		Female2
    		NPT
    		Male—0 to 140LocknutUL Listed
    		9082K76000000
     
    Acetal
    1/2
    		Female1/2
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K6200000
    3/4
    		Female3/4
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K6300000
    1
    		Female1
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K6400000
    1 1/4
    		Female1 1/4
    		NPT
    		MaleBlue0 to 140Zinc-Plated Steel LocknutUL Listed
    		9082K6500000
     
    back to top