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1/4 W/GRND MC

Armorlite Type MC Copper Conductors

Product Description:

The Southwire Armorlite® Type MC Cable combines versatile THHN/THWN approved conductor with aluminum interlocked armor.  THHN copper conductors are Thermoplastic High Heat-resistant Nylon coated.  The acronym mainly refers to the nylon insulation that protects the cable from high heat and corrosion.  With the added THWN approval, the cable is also deemed as water resistant.  The assembly includes an insulated copper stranded grounding conductor to ensure steady conductivity over the life of the cable.  The assembly of conductors is cabled together and wrapped in binder tape to sit firmly in place.  The assembly is then encased in an aluminum interlocked armor that protects the conductors from being jarred or interfered with by outside objects.

Applications:

This cable is designed for installation in branch, feeder, and service power distribution.  The cable can be used in residential, multi-residential, institutional, industrial, and commercial buildings.  It is most often used for control, power, lighting, and signal circuits.  The cable is usually installed in cable tray or approved raceways but can also be fished or embedded in plaster.  The cable is approved for use in hazardous locations as specified by NEC.  The cable has a maximum conductor temperature for continuous operation at 90°C and can transmit ampacities up to 600 volts. 

Specifications:

• In accordance with specifications set forth by Underwriters Laboratories, this cable aligns with UL standard 83, a specification for single conductor thermoplastic insulated cables transmitting 600 volts.
• This cable complies with UL standard 1569; a specification that requires metal clad cable to perform up to expectations under specified ampacities and conductor temperatures.
• The cable meets or exceeds UL standard 1685, passing a Vertical-Tray Fire-Propagation and Smoke-Release Test. 
• The cable complies with Federal Specification A-A59544.
• The cable is listed for use in UL 1, 2 and 3 Hour Through Penetration Firestop Systems.

Constructions:

–                Conductors

• The cable employs THHN/THWN insulated copper conductors.
• THHN/THWN conductors are high heat and water resistant, making them safe for use in wet or dry locations.

–                Grounding Wire

• The assembly includes an insulated ground wire.
• The ground wire ensures steady conductivity for the life of the cable. 

–                Armor

• The external armor is an aluminum interlocked armor.
• The armor keeps the conductors from being jarred or interfered with by outside objects.