SPEC: 60280

Armorlite® Type MC THHN/THWN Copper Conductor Feeder Cable 277/480V Colors SPEC60280

Copper THHN/THWN-2 Insulated Singles. Green or Bare Copper Grounding Conductor. UL Listed. 600 Volts. Rated VW-1. Lightweight Aluminuml 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.
- Fished or embedded in plaster.
- Concealed or exposed installations.
- Environmental air-handling spaces per NEC 300.22 (C).
- Places of Assembly per NEC 518.4 and theaters per NEC 520.5.
- Installation in cable tray and approved raceways.
- 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.
- Binder tape with print legend wrapped around assembly.
- Type THHN/THWN rated 90ºC Dry.
- Anti-short bushings are not required for use with MC cable per NEC and UL

Southwire Armorlite® Type MC 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) Jacket Thickness (mils) (mm) Approx. OD (in) (cm) Approx. Weight (lbs/1000') (kgs/km)
More Options
1 AWG 1 AWG
3 3
BN,OE,YW BN,OE,YW
0.322 0.82
19 19
60 1.52
1x6 GG 1x6 GG
1.270 3.23
1141 1698
More Options
1 AWG 1 AWG
4 4
BN,OE,YW,GY BN,OE,YW,GY
0.322 0.82
19 19
60 1.52
1x6 GG 1x6 GG
1.331 3.38
1482 2205
More Options
1/0 AWG 1/0 AWG
3 3
BN,OE,YW BN,OE,YW
0.361 0.92
19 19
60 1.52
1x6 GG 1x6 GG
1.241 3.15
1360 2024
More Options
2/0 AWG 2/0 AWG
3 3
BN,OE,YW,GN BN,OE,YW,GN
0.405 1.03
19 19
60 1.52
1x6 1x6
1.408 3.58
50 1.27
1.514 3.85
1838 2735
More Options
3/0 AWG 3/0 AWG
3 3
BN,OE,YW,GN BN,OE,YW,GN
0.456 1.16
19 19
60 1.52
1x3 1x3
1.573 4.00
60 1.52
1.699 4.32
2407 3582
More Options
3/0 AWG 3/0 AWG
4 4
BN,OE,YW,GY,GN BN,OE,YW,GY,GN
0.456 1.16
19 19
60 1.52
1x4 1x4
1.723 4.38
2813 4186
More Options
4/0 AWG 4/0 AWG
3 3
BN,OE,YW,GN BN,OE,YW,GN
0.512 1.30
19 19
60 1.52
1x2 1x2
1.67 4.24
2679 3987
More Options
4/0 AWG 4/0 AWG
4 4
BN,OE,YW,GY,GN BN,OE,YW,GY,GN
0.512 1.30
19 19
60 1.52
1x4 1x4
1.816 4.61
3377 5026
More Options
250 KCMIL 250 KCMIL
4 4
PE,TN,PK,GY PE,TN,PK,GY
0.558 1.42
37 37
70 1.78
1x4 GG 1x4 GG
2.029 5.15
3919 5832
More Options
350 KCMIL 350 KCMIL
3 3
BN,OE,YW,GN BN,OE,YW,GN
0.661 1.68
37 37
70 1.78
1x3/0 1x3/0
2.081 5.29
4462 6640
More Options
500 KCMIL 500 KCMIL
3 3
BN,OE,YW,GN BN,OE,YW,GN
0.789 2.00
37 37
70 1.78
1x1/0 1x1/0
2.275 5.78
75 1.91
2.433 6.18
6095 9070
More Options
600 KCMIL 600 KCMIL
3 3
BN,OE,YW,GN BN,OE,YW,GN
0.865 2.20
61 61
80 2.03
1x4/0 1x4/0
2.527 6.42
7115 10588
More Options
600 KCMIL 600 KCMIL
4 4
BN,OE,YW,GY BN,OE,YW,GY
0.865 2.20
61 61
80 2.03
1x2 GG 1x2 GG
2.664 6.77
8643 12862

Note: Conductor number = number of phase conductors. Does not include ground
Note: GG = Green insulated ground
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
1 AWG 1 AWG
3 3
8.9 22.61
2008 910.81
0.128 0.19
0.154 0.23
0.046 0.07
130 130
145 145
More Options
1 AWG 1 AWG
4 4
9.3 23.62
2142 971.59
0.128 0.19
0.154 0.23
0.046 0.07
104 104
116 116
More Options
1/0 AWG 1/0 AWG
3 3
8.7 22.10
2534 1149.40
0.102 0.15
0.122 0.18
0.044 0.07
150 150
170 170
More Options
2/0 AWG 2/0 AWG
3 3
10.5 26.67
3194 1448.77
0.081 0.12
0.097 0.14
0.043 0.06
175 175
195 195
More Options
3/0 AWG 3/0 AWG
3 3
11.8 29.97
4027 1826.61
0.064 0.10
0.078 0.12
0.042 0.06
200 200
225 225
More Options
3/0 AWG 3/0 AWG
4 4
12.1 30.73
4295 1948.18
0.064 0.10
0.078 0.12
0.042 0.06
160 160
180 180
More Options
4/0 AWG 4/0 AWG
3 3
11.7 29.72
5078 2303.34
0.051 0.08
0.062 0.09
0.041 0.06
230 230
260 260
More Options
4/0 AWG 4/0 AWG
4 4
12.7 32.26
5416 2456.65
0.051 0.08
0.062 0.09
0.041 0.06
184 184
208 208
More Options
250 KCMIL 250 KCMIL
4 4
14.2 36.07
6400 2902.99
0.043 0.06
0.053 0.08
0.041 0.06
204 204
232 232
More Options
350 KCMIL 350 KCMIL
3 3
14.6 37.08
8400 3810.17
0.031 0.05
0.039 0.06
0.040 0.06
310 310
350 350
More Options
500 KCMIL 500 KCMIL
3 3
17 43.18
12000 5443.10
0.022 0.03
0.029 0.04
0.039 0.06
380 380
430 430
More Options
600 KCMIL 600 KCMIL
3 3
17.7 44.96
14400 6531.72
0.018 0.03
0.025 0.04
0.039 0.06
420 420
475 475
More Options
600 KCMIL 600 KCMIL
4 4
18.6 47.24
15360 6967.17
0.018 0.03
0.025 0.04
0.039 0.06
336 336
380 380

* 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
  • RoHS-2 (European Directive 2011/65/EU)
  • 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 compressed copper per ASTM B3 and ASTM B8
  2. Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
  3. Ground:Green Insulated or bare stranded copper ground
  4. Filler:Fillers as needed
  5. Binder:Mylar tape
  6. Armor:Aluminum Interlocked Armor

Resources

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