SPEC: 60297

Armorlite® Type MC THHN/THWN Copper Conductor Feeder Cable 120/208V Colors. Silicone Free

Copper THHN/THWN-2 Insulated Singles. Green Insulated Copper Grounding Conductor. UL Listed. 600 Volts. Rated VW-1. Lightweight Aluminum Interlocked Armor.

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Application & Features

Southwire Armorlite® Type MC Feeder Cable is suitable for use as follows:
- Feeder and service power distribution in commercial, industrial, institutional, and multi-residential buildings.
- Where exposed to cinder fills, strong chlorides, caustic alkalis, or vapors of chlorine or of hydrochloric acids.
- Fished or embedded in plaster.
- Concealed or exposed installations.
- Suitable for Wet Location per NEC 330.10(A)(11)
- Places of Assembly per NEC 518.4 and theaters per NEC 520.5.
- Installation in cable tray and approved raceways, or as aerial cable on a messenger.
- Under raised floors for information technology equipment conductors and cables per NEC 645.5(D) & 645.5(D)(2)
- Class I Div. 2, Class II Div 2, & Class III Div. 1 Hazardous Locations.
- Type THHN/THWN rated 90ºC Dry/ 75ºC Wet

Southwire Armorlite® Type MC Feeder Cable - meets or exceeds the following requirements:
- UL Online Product Guide Info - Metal-Clad Cable (PJAZ) ( www.ul.com )
- Federal Specification A-A59544 (formerly J-C-30B)
- NFPA 70 (National Electrical Code), Article 330
- Listed for use in UL 1, 2 and 3 Hour Through Penetration Firestop Systems

Specifications

Select a set of products below for more information:

	Cond. Size	Conductor Number	Color	Diameter Over Conductor (in) (cm)	Cond. Strands	Insulation Thickness (mils) (mm)	Ground Size	Diameter Over Armor (in) (cm)	Approx. Weight (lbs/1000') (kgs/km)
More Options	250 KCMIL 250 KCMIL	4 4	BK,RD,BE,WE BK,RD,BE,WE	0.558 1.42	37 37	70 1.78	1x2 1x2	1.954 4.96	3994 5944

Note: Conductor number = number of phase conductors. Does not include green ground.

	Cond. Size	Conductor Number	Min. Bend Radius (in) (cm)	Max Pull Tension (lbs) (kg)	DC Resistance at 25C (ohms/1000') (ohms/km)	AC Resistance at 75C (ohms/1000') (ohms/km)	Inductive Reactance (ohms/1000') (ohms/km)	Allowable Ampacity Raceway 75C	Allowable Ampacity Raceway 90C
More Options	250 KCMIL 250 KCMIL	4 4	13.7 34.80	6400 2902.99	0.043 0.06	0.053 0.08	0.041 0.06	204 204	232 232

* Ampacities based upon 2023 NEC Table 310.16. See NEC sections 310.15 and 110.14(C) for additional requirements.
* Ampacities have been adjusted for more than Three Current-Carrying Conductors.

Standards & References

ASTM B3 Soft or Annealed Copper Wire
ASTM B8 Concentric-Lay-Stranded Copper Conductors
UL 83 Thermoplastic Insulated Wires and Cables
UL 1569 Metal-Clad Cables
UL 1479 Standard for Safety Fire Tests of Penetration Firestops
UL 1685 FT4 Vertical-Tray Fire Propagation and Smoke Release Test
IEEE 1202 FT4 Flame Test (70,000) BTU/hr Vertical Tray Test
Buy American: Compliant with Buy American Requirements, found in 49 U.S.C. § 5323(j); specify “Made in the USA Only!” when ordering to ensure your project receives American made products.

Construction

Conductor:Class B compressed stranded copper per ASTM B3 and ASTM B8
Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
Ground: Green insulated copper ground
Filler:Fillers as needed
Binder:Mylar tape
Armor:Aluminum Interlocked Armor

Resources

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