12-4C Metal Clad (MC) Cable Plus Ground, Aluminum Armored, Solid Copper Conductors
Applications:
may be used for branch, feeder and service distribution in commercial, industrial, multi-residential construction. They are suitable installation motion picture studios, theaters, places of assembly (100 people or more) per NEC Articles 230.43, 300.22(C), 330, 396, 518, 520, 530 645. These cables installed approved raceways as open runs on a messenger. exposed, concealed tray run spaces environmental air accordance with Article 300.22(C) ONLY.
Construction:
conductors the wires stranded soft annealed to ASTM B3. PVC/Nylon type THHN insulation UL 83, flame resistant, meeting VW-1. Bare ground wire, sized UL, green insulation. cabled grounding wires. marker tape/core protection tape combination assembles core an essentially round configuration. Interlocking galvanized steel armor applied directly over core. test.
Standards:
- Meets 83: Thermoplastic Insulated Cables
Tested 1479: Fire Tests Through-Penetration Firestops one, two three hour rated assemblies (for up #2 AWG)
1569: 1581: Reference Standard Electrical Wires, Cables, Flexible Cords
2256: Wire Test Methods
Designated MC 330
Specifications*:
Size: 12 AWG
Conductors: 4 + (1) Ground
Outside Diameter: 0.544 inches
Ampere Rating THHN: 20
*Data provided this page is subject change based different manufacturers variances.
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