“The commercial and industrial standard for high-capacity sub-panel feeders and heavy-duty HVAC distribution. Featuring three fully insulated, compact-stranded aluminum conductors enclosed in a rugged interlocking aluminum armor jacket, this assembly serves as its own pre-armored racewayeliminating the time-consuming process of bending and installing separate conduit pipes for a fast, code-compliant installation.”

Key Features & Benefits: 4/3 Aluminum MC Cable

In commercial and residential construction, minimizing labor hours is the key to maintaining project profitability. The 4/3 Aluminum Metal Clad (MC) Cable delivers a completely code-compliant, pre-armored wiring system that can be uncoiled and installed in up to half the time of standard pipe-and-wire runs. Built with premium AA-8000 series aluminum alloy, it features three color-coded XHHW-2 insulated phase conductors and a dedicated bare grounding wire wrapped snugly in a rugged interlocking aluminum armor.

• Labor-Saving Armor: Overall aluminum interlocked armor functions as an integrated protective raceway, removing the labor and material expenses of bending and installing separate conduit systems.

• Premium AA-8000 Conductor: Manufactured with compact-stranded 8000-series aluminum alloy for high electrical conductivity, low weight, and effortless flexibility during pull runs.

• XHHW-2 Triple Insulation: Individual phase conductors are insulated with cross-linked polyethylene (XLPE), providing superior resistance to heat, moisture, and electrical stress in wet or dry locations.

• Maximum Versatility: Code-approved for an exceptionally broad range of installations including commercial branch circuits, HVAC units, equipment feeders, and environmental air-handling spaces (plenums).

Technical Specifications: 4-4-4 Aluminum Metal Clad (MC) w/ Ground

Engineering Overview

• Conductor Configuration: 3 Insulated Conductors + 1 Bare Ground Wire

• Conductor Size: 4 AWG

• Conductor Material: AA-8000 Series Compact Stranded Aluminum Alloy (per ASTM B800 & B801)

• Conductor Colors: Black, White & Red

• Ground Wire Size: 6 AWG (Bare Conductor)

• Insulation: High-Heat & Moisture Resistant Cross-Linked Polyethylene (XLPE / Type XHHW-2). A binder tape is wrapped over the insulated conductors’ assembly.

• Armor: Overall aluminum interlocked armor.

• Voltage Rating: 600 Volts.

• Temperature Rating: -40C to 90C.

• Amp Rating (@ 75C): 65 Amps.

• Amp Rating (@ 90C): 75 Amps.

• Outside Diameter (OD): 1.01 inches

• Insulation Thickness: 0.045 inches

• Net Weight: 335 lbs/mft (pounds per 1,000 feet)

• Minimum Bending Radius: 7.07 inches

Compliance Standards & Certifications

• UL Listed: UL 1569 (Metal-Clad Cables) & UL 44 (Thermoset-Insulated Wires)

• Cable Tray Use: Listed and approved for CT Use

• Industry Standards: NEMA WC-70 / ICEA S-95-658 | ASTM B800 & B801

• Flame Testing: Passes IEEE 1202 (70,000 BTU/HR Vertical Tray Flame Test)

• NEC Air-Handling Compliance: Approved for environmental air spaces per NEC 300.22

• NEC Special Occupancies: Approved for Places of Public Assembly (NEC 518.4), Theaters (NEC 520.5), and IT Equipment Rooms (NEC 645.5)

Common 4/3 Aluminum MC Applications

• Commercial Branch Circuits: Actively used for power, lighting, control, and signal circuits throughout retail, industrial, and multi-residential structures.

• 65-Amp Sub-Panel Feeders: Ideal for feeding 65A interior distribution sub-panels in detached spaces, home workshops, additions, or commercial offices.

• Diverse Environmental Routing: Fully approved for installation inside commercial cable trays, approved raceways, concealed or exposed locations, environmental air-handling spaces (plenums), and vertical structural risers.

• Hazardous Location Environments: Permitted for use in specialized industrial environments as defined and regulated by NEC Articles 501, 502, 503, and 504.

• Heavy Electric Appliances: The industry standard for routing dedicated single-phase lines to commercial HVAC condensers, subpanels, large heat pumps, and multi-family infrastructure.

Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyers responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes. Reference NEC Article 330 for specific Metal-Clad installation guidelines.

Ampacity: Ampacities are based on NEC Table 310.15 (B)(16) (or equivalent local reference tables) and show the allowable ampacities of current-carrying insulated conductors in a raceway, cable, or earth based on an ambient temperature of 30C (86F). Because most standard commercial electrical panels, breakers, and terminal lugs feature 75C termination points, circuits should be designed based on the conservative 65-Amp standard. The 75-Amp rating at 90C is typically utilized for ampacity adjustment and correction factors.