8/4 MC Cable – Heavy-Duty 4-Conductor Metal Clad Cable for Industrial and High-Power Applications
8/4 MC Cable includes four 8 AWG copper conductors and a ground wire, designed for demanding 240V and 3-phase power distribution. Its interlocked aluminum armor provides mechanical protection, making it suitable for commercial, industrial, and large residential applications where conduit-free installation is desired.
Common Applications for 8/4 MC Cable
- Powering 3-phase HVAC equipment
- Industrial machines and control systems
- 240V appliances with shared neutral or multiple circuits
- Large commercial lighting installations
- Subpanel feeders in industrial environments
Benefits of 8/4 MC Cable
- Supports High Current Loads: 8 AWG conductors offer greater ampacity for demanding equipment
- Four Conductors: Ideal for 3-phase systems or two 240V circuits with shared neutral
- Durable Aluminum Armor: Reduces installation time and protects conductors from damage
- Conduit-Free Installation: Faster setup in approved dry environments
- Flexible & Compliant: UL listed and NEC-compliant for versatile use
Frequently Asked Questions
Q: What is the ampacity of 8/4 MC Cable?
A: Typically 40 amps, but may vary depending on derating and installation environment. Check NEC tables and local codes.
Q: Can 8/4 MC Cable be used outdoors?
A: Standard MC Cable is for dry locations. For wet/outdoor installations, use MC Cable with a PVC jacket.
Q: Is 8/4 MC Cable suitable for 3-phase wiring?
A: Yes, it can be used for 3-phase 208Y/120V or 240V systems that require four conductors and a ground.
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