Top 10 Best mc cable connectors in 2026

Last Updated - 6/13/2026

🏆Best Choice

Sigma Electric

Sigma Engineered Solutions ProConnex 55919M One-Hole AC/MC Strap, 100-Pack (Gray)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•COMPATIBLE DESIGN: Functions with 14/2 and 12/2 AC and MC cables; additionally, the strap's inner diameter measures 0.492-in.
•CABLE MANAGEMENT: Simplify your cable management and installation processes with these reliable and sturdy AC/MC straps from Sigma Engineered Solutions.
•DURABLE CONSTRUCTION: Crafted from zinc-plated steel, the straps boast exceptional durability and resilience against wear and tear.
•For steel 14/2-12/2 AC and MC
•Suitable for dry locations

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$12.78

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Hoiuter

Wire Twister Tool for Drill, 2025 Upgrades Wire Nut Twister for Drill Profession Electricians Tool, 6MM Hex Shank Cable Wire Twisting Tool Wire Twister Wire Connector for 9-22 AWG (2pcs)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•✅【2025 Upgrades Wire Twister Tool for Drill】: This drill wire twister tool is made of high quality 40Cr steel galvanized material, which can ensure the high hardness and durability of the tool.The electrolytic surface makes it wear-resistant and rust-free.It can be connected more than 20,000 times, providing reliable support for long-term use.
•✅【Enhanced Work Efficiency】: Our wire twister tool for drill designed to work seamlessly with an electric drill, revolutionizes wire twisting tasks.wire twister tool for drill delivers superior twisting results.This 6mm hexagonal handle wire twister is high efficient for wire processing. It is suitable for different wires, safe and reliable to operate.Ideal for 1.5/2.5/4/6 square millimeter wires ( for 9-22 AWG).
•✅【Profession Electricians- Observation Port Design】: With smart observation port design, it is clear to observe whether wires are inserted in place, ensuring safe and reliable operation.which can meet the paralleling needs of soft and hard wires, Suitable for standard 6mm hexagonal batch handle electric drills, electric screwdrivers, electric wrenches and other electrical tools.
•✅【Ergonomic Design】: Our drill wire twister tool is engineered to safeguard your hands.Say goodbye to finger injuries and hand cramps.Wire twister tool for drill minimizes the risk of finger injuries, prevents hand fatigue and ensures a comfortable working experience, enabling you to stay productive for longer periods.
•✅【Easy to Operate】: Step1, peel wire 2-25cm, and the effect of stripping multiple wires neatly and has good paralleling cable effect.Step2, insert the stripped wire neatly into the parallel tool, and you can see whether wires are inserted in place through the observation port.Step3, use pliers or your hands to clamp wire inserted into the parallel device.When clamping, keep the distance between the pliers and the parallel wire more than 2cm.Step4, start hand drill, rotate it several times, pull out wire and complete the parallel wire.

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$11.79

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Tewloss

6 PCS 90° Squeeze Connectors AC/MC/Flex 3/8 90 Degree Elbow Cable Connector, Flexible Metal Conduit Fitting 3/8 Inch, Zinc Die Cast, UL Certification

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Scope of Application: Suitable for 3/8 inch AC, MC, or FMC/RWFMC pipelines
•Material and Process: Made of zinc alloy by die-casting, with a smooth and flat appearance, and no burrs
•Reliable Quality: Anodized treatment, surface treated with oxidation, anti-oxidation, not easily corroded
•Product Usage: The 90 degree extruded BX connector is used to connect FMC or various pipe to a box,squeezing design facilitates installation
•Product Certification: This product has obtained UL certification and CSA certification

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$13.99

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Sigma Engineered Solutions

Sigma Engineered Solutions ProConnex 49804 AC/MC/Flex 90-Degree Squeeze Connector Conduit Fitting 1/2-Inch, 1-Pack

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Terminates AC, MC or FMC/RWFMC to a 1/2-in knockout in a metal box or enclosure where a 90 degree bend is required
•For aluminum or steel 8/2 - 8/3 AC, 8/2 - 8/3 MCI or 1/2-in FMC/RWFMC
•Tri-combo screws included
•Suitable for dry locations
•Zinc die-cast construction

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$5.28

$7.10

-26%

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Relaxweex

Relaxweex Metal-Clad Cable Connectors Zinc Electrical Conduit Connector 3/8" Snap in Connectors for Steel and Aluminum Cable(25 Pack)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Bulk Purchase Delight: get your hands on a pack of 25 pieces of 3/8 inch cable connectors with a hole size of 1/2 inch, increase efficiency of your operations by not running out of indispensable utilities, reclaim control over unanticipated shortages, with the bulk pack that keeps your tasks running smoothly
•Built to Last: experience durability at its finest with the zinc die cast metal applied in the manufacturing of these cable connectors, the quality material ensures longevity and steady performance for all your cable connection needs
•Flexibility at Your Fingertips: experience the freedom to remove and reuse these cable connectors according to your need, we understand project needs change from time to time so you are empowered to adapt swiftly without additional costs or delays
•Easy to Use Innovation: forget about the hassle of collecting specific tools just to use cable connectors! These connectors are designed for ease of use, simply clip the cable into the connector and snap it into the box, the innovative design also allows for easy removal of the cable just by loosening the top screw
•Versatile Usage: meet a versatile tool for your connectivity needs, these connectors not only serve HCF steel or aluminum cables but also AC/HCF steel and aluminum cable, with connectors matching multiple cable types, you will finally enjoy a seamless user experience

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$35.99

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Sigma Electric

Sigma Engineered Solutions ProConnex 44503 AC/MC/Nm Saddle Connector 3/8-Inch Conduit Fitting, 5-Pack

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Terminates AC, MC and NM to a 1/2-in knockout
•For aluminum or steel 14/2 - 10/3 AC or 12/2 - 10/3 NM cable
•For steel or aluminum 0.468-in - 0.610-in MCI/PCS, or aluminum 0.452-in - 0.538-in MCI-A/HCF
•Features tri-combo screw
•Suitable for dry locations

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$5.82

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BBTO

BBTO 200-pack 5/16 Inch Anti-short Bushing 3/8 Inch Electrical Mc/bx Cable Bushing Red Head Electrical Wire Connectors for 14/2-12/2 Mc Cable

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Sturdy Material: made of plastic material, this cable anti-short bushing can withstand harsh conditions, ensuring long-term use and reliable performance
•Excellent Working Performance: anti-short bushing can protect wires from sharp edges of AC and FMC, suitable for aluminum or steel 14/2, 14/3 and 12/2 AC and 5/16 inch FMC; Applied to prevent the sharp end of MC cable jacket from penetrating the inner wire jacket
•Insulation Design: the anti-short bushing's insulating design prevents unwanted current from flowing through the bushing, minimizing the risk of electric shock and other hazards
•Easy to Use: the anti-short bushing is easy to install and can be quickly and safely attached to any surface, making it a convenient choice for DIY enthusiasts and professional electricians
•Multiple Uses: the anti-short bushing can be applied in a variety of electrical applications from residential to commercial buildings, making it a versatile and useful component for any project

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$19.99

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Sigma Engineered Solutions

Sigma Engineered Solutions ProConnex C-550 AC/MC Connector 3/8" Gray, 100-Pack

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Terminates AC or MC to a 1/2-in knockout
•For Steel 14/2-10/2 AC or 14/2-10/3 MC(MCI and PCS)
•Tri-combo screw included
•Zinc die-cast construction
•Product is cULus listed

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$35.20

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Sigma Electric

SIGMA ENGINEERED SOLUTIONS ProConnex C-510 Combination Connector 3/8" AC/MC/Flex 100-Pack

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•DURABLE CONSTRUCTION: Made from die-cast zinc alloy for long-lasting performance.
•EASY INSTALLATION: Tri-combo screws included for convenient installation.
•VERSATILE COMPATIBILITY: Suitable for use with: - 3/8"" FMC - 14/2 - 10/2 AC - 14/2 - 10/3 MCI/PCS - 14/2 - 10/3 MCI-A - 12/2 - 10/2 MC-HCF
•MULTI-PACK: Includes 100 connectors for multiple installations.
•CERTIFIED SAFETY: UL and CSA listed, ensuring compliance with stringent safety standards for peace of mind.

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$36.78

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Tandefio

Tandefio 24 Pcs 3/8 Inch Flexible Metal Conduit Duplex Connector 90 Degree Flex Duplex Box Connector Zinc Die Cast Screw Clamp Electrical Conduit Fittings for Protecting Cables

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Sturdy and Reliable: our cable connectors have been cULus tested to ensure they meet the safety and quality standards; Meticulously crafted from quality zinc die cast, the flexible metal conduit duplex connectors are durable and corrosion resistant, providing a robust and reliable support for cables, extending their service life and long term use
•Sufficient Supply: you will 24 pieces of wire splicers connectors, ensures that you have enough connectors for multiple uses or construction projects; The quality and long term stability of our products allow you to use in a variety of situations
•Easy to Install: you can use the weatherproof connectors to connect two pieces of flexible metallic conduit, NM sheathed cable, etc., to a steel outlet box or other metal enclosure when using only one knockout opening; Easy to install and operate, saving you time and effort
•Versatile Utility: our metal connectors can be widely applied in a variety of electrical applications, the rugged metallic construction ensures mechanical protection for the raceway; They provide secure connections, ensuring the safety and efficiency of your electrical systems
•Exquisitely Size: these flexible metal conduit duplex connectors have a versatile size for various applications, which makes them highly versatile, meeting your needs for connectors that fit well and can be applied in different construction and electrical installation scenarios

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$26.99

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