SPEC: 60367

Armorlite® Type MC THHN/THWN PVC Jacketed Aluminum Conductor Feeder Cable 277/480V Colors

Aluminum THHN/THWN Insulated Singles with 8000 series Triple E™ Aluminum Alloy. Bare AlumaFlex™ Aluminum Alloy Grounding Conductor. UL Listed. 600 Volts. Rated VW-1. Lightweight Aluminum Interlocked Armor. Overall PVC Jacket. Sunlight Resistant.

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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(E)
- 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

Color Code - 3/C: Brown, Orange, Yellow
- 4/C: Brown, Orange, Yellow, Gray

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) Jacket Thickness (mils) (mm) Approx. OD (in) (cm) Approx. Weight (lbs/1000') (kgs/km)
More Options
250 KCMIL 250 KCMIL
4 4
BN,OE,YW,GY BN,OE,YW,GY
0.520 1.32
22 22
70 1.78
1x1 1x1
1.901 4.83
65 1.65
2.033 5.16
1928 2869
More Options
350 KCMIL 350 KCMIL
3 3
BN,OE,GY BN,OE,GY
0.615 1.56
35 35
70 1.78
1x1 1x1
1.942 4.93
65 1.65
2.074 5.27
1910 2842
More Options
500 KCMIL 500 KCMIL
3 3
BN,OE,GY BN,OE,GY
0.735 1.87
35 35
70 1.78
1x1 1x1
2.201 5.59
65 1.65
2.333 5.93
2466 3670
More Options
500 KCMIL 500 KCMIL
4 4
BN,OE,YW,GY BN,OE,YW,GY
0.735 1.87
34 34
70 1.78
1x3/0 1x3/0
2.423 6.15
80 2.03
2.589 6.58
3348 4982
More Options
600 KCMIL 600 KCMIL
4 4
BN,OE,YW,GY BN,OE,YW,GY
0.812 2.06
41 41
80 2.03
1x3/0 1x3/0
2.642 6.71
80 2.03
2.808 7.13
3943 5868

* Strand count meets minimum number per ASTM
TBA stock codes are estimations only and actual product may vary. Please wait until a stock code is assigned to purchase connectors and/or fittings.

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
14.2 36.07
4800 2177.24
0.071 0.11
0.086 0.13
0.041 0.06
164 164
184 184
More Options
350 KCMIL 350 KCMIL
3 3
14.5 36.83
6300 2857.63
0.050 0.07
0.062 0.09
0.040 0.06
250 250
280 280
More Options
500 KCMIL 500 KCMIL
3 3
16.3 41.40
9000 4082.33
0.035 0.05
0.044 0.07
0.039 0.06
310 310
350 350
More Options
500 KCMIL 500 KCMIL
4 4
18.1 45.97
9600 4354.48
0.035 0.05
0.044 0.07
0.039 0.06
248 248
280 280
More Options
600 KCMIL 600 KCMIL
4 4
19.7 50.04
11520 5225.38
0.029 0.04
0.037 0.06
0.039 0.06
272 272
308 308

* 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 B800 8000 Series Aluminum Alloy Wire
  • ASTM B801 Concentric-Lay-Stranded Conductors of 8000 Series Aluminum Alloy
  • 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

  1. Conductor:Class B compact stranded 8000 Series aluminum per ASTM B800 and ASTM B801
  2. Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
  3. Ground:Bare aluminum ground
  4. Filler:Fillers as needed
  5. Binder:Mylar tape
  6. Armor:Aluminum Interlocked Armor
  7. Jacket:Polyvinyl Chloride (PVC) sunlight resistant, and corrosion resistant

Resources

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