Common MC cable specifications and applications
1. 12/2 MC Cable
Features: Includes two 12 AWG current carrying conductors and one grounding wire.
Application: Suitable for general 120V lighting and socket circuits, especially for basic power needs in residential and small commercial buildings.
Rated current: approximately 20A.
2. 12/3 MC Cable
Features: Includes three 12 AWG current carrying conductors and one grounding wire.
Application: Suitable for 120V/240V circuits, such as multi-channel lighting control, branch circuits, and small motors.
Rated current: approximately 20A.
3. 10/2 MC Cable
Features: Includes two 10 AWG current carrying conductors and one grounding wire.
Application: Suitable for 30A devices such as electric water heaters, small HVAC equipment, and electric stoves.
Rated current: approximately 30A.


4. 10/3 MC Cable
Features: Includes three 10 AWG current carrying conductors and one grounding wire.
Application: Used for 240V loads, such as electric stoves, water heaters, dryers, and other equipment.
Rated current: approximately 30A.
5. 6/3 MC Cable
Features: Composed of three 6 AWG current carrying conductors and one grounding wire.
Application: Widely used for high-power loads such as industrial motors, large HVAC systems, and commercial power distribution.
Rated current: approximately 55A-65A.
6. 6/2 MC Cable
Features: Includes two 6 AWG current carrying conductors and one grounding wire.
Application: Suitable for 50A loads such as EV chargers, high-power air conditioners, and electric stoves.
Rated current: approximately 55A.
7. 8/2 MC Cable
Features: Includes two 8 AWG current carrying conductors and one grounding wire.
Application: Suitable for 40A loads such as water heaters, air compressors, and medium power HVAC equipment.
Rated current: approximately 40A.
8. 8/3 MC Cable
Features: Includes three 8 AWG current carrying conductors and one grounding wire.
Application: Widely used in dual phase 240V equipment, such as large kitchen appliances, electric dryers, and air compressors.
Rated current: approximately 40A-45A.
9. 12/4 MC Cable
Features: Composed of four 12 AWG current carrying conductors and one grounding wire.
Application: Suitable for three-phase power supply systems, commonly used in commercial lighting, power control systems, and backup power sources.
Rated current: approximately 20A.
10. 10/4 MC Cable
Features: Includes four 10 AWG current carrying conductors and one grounding wire.
Application: Suitable for three-phase motors, power distribution, and backup power systems.
Rated current: approximately 30A-35A.
11. 8/4 MC Cable
Features: Composed of four 8 AWG current carrying conductors and one grounding wire.
Application: Widely used in industrial equipment, generators, three-phase motors, and high-power power distribution systems.
Rated current: approximately 40A-45A.



Considerations when choosing MC cables
When selecting MC cables, the following key factors need to be considered comprehensively:
1.Current load capacity: The AWG wire gauge of the cable directly determines its current carrying capacity, and the appropriate specification should be selected according to the power requirements of the equipment.
2.Voltage requirements: Different MC cables are suitable for single-phase or three-phase power supply systems, and the voltage requirements of electrical equipment need to be confirmed.
3.Installation environment: In humid or corrosive environments, it is recommended to choose MC cables with additional protective layers to improve durability.
4.Wiring method: MC cables of different specifications are suitable for different wiring methods, such as exposed, concealed, or underground installation.
5.Compliance with specifications: All MC cables should comply with NEC (National Electrical Code) and local electricity regulations to ensure installation safety and compliance
























