SPEC 60280
Armorlite® Type MC THHN/THWN Copper Conductor Feeder Cable 277/480V Colors
Copper THHN/THWN-2 Insulated Singles. Green or Bare Copper Grounding Conductor. UL Listed. 600 Volts. Rated VW-1. Lightweight Aluminuml Interlocked Armor.
Construction:
- Conductor:Class B compressed copper per ASTM B3 and ASTM B8
- Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
- Ground:Green Insulated or bare stranded copper ground
- Filler:Fillers as needed
- Binder:Mylar tape
- Armor:Aluminum Interlocked Armor
Applications and 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
- 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:
Sample Print Legend:
E96627 {UL} TYPE MC AWG XX THHN OR THWN CDRS FOR USE IN CABLE TRAYS 600 VOLTS
Table 1 – Weights and Measurements
Stock Number | Cond. Size | Conductor Number | Color | Diameter Over Conductor | Conductor Stranding | Insulation Thickness | Ground Size | Diameter Over Armor | Copper Weight | Overall Weight |
---|---|---|---|---|---|---|---|---|---|---|
AWG/Kcmil | inch | mils | No. x AWG | inch | lbs/1000ft | lbs/1000ft | ||||
562658◊ | 1 | 3 | BN,OE,YW | 0.322 | 19 | 60 | 1x6 GG | 1.270 | 864 | 1141 |
562656◊ | 1/0 | 3 | BN,OE,YW | 0.361 | 19 | 60 | 1x6 GG | 1.241 | 1069 | 1360 |
560107◊ | 400 | 3 | BN,OE,YW | 0.705 | 37 | 70 | 1x250 GG | 2.278 | 4521 | 5305 |
669316 | 500 | 3 | BN,OE,YW | 0.789 | 37 | 70 | 1x2/0 GG | 2.307 | 5092 | 5790 |
668046◊ | 500 | 3 | BN,OE,YW | 0.789 | 37 | 70 | 1x4/0 GG | 2.343 | 5337 | 6043 |
579232◊ | 600 | 3 | BN,OE,YW | 0.865 | 61 | 80 | 1x350 GG | 2.578 | 6704 | 7666 |
582068◊ | 1 | 4 | BN,OE,YW,GY | 0.322 | 19 | 60 | 1x6 GG | 1.331 | 1125 | 1482 |
562469◊ | 1/0 | 4 | BN,OE,YW,GY | 0.361 | 19 | 60 | 1x6 | 1.365 | 1447 | 1809 |
668615◊ | 4/0 | 4 | BN,OE,YW,GY | 0.512 | 19 | 60 | 1x3 GG | 1.883 | 2803 | 3413 |
653131◊ | 250 | 4 | PE,TN,PK,GY | 0.558 | 37 | 70 | 1x4 GG | 2.029 | 3248 | 3919 |
553839◊ | 350 | 4 | BN,OE,YW,GY | 0.661 | 37 | 70 | 1x1 | 2.303 | 4627 | 5382 |
579949 | 400 | 4 | BN,OE,YW,GY | 0.705 | 37 | 70 | 1x2/0 GG | 2.358 | 5404 | 6273 |
596449 | 400 | 4 | BN,OE,YW,GY | 0.705 | 37 | 70 | 1x250 GG | 2.609 | 5769 | 6699 |
139624◊ | 600 | 4 | PE,TN,PK,GY | 0.865 | 61 | 80 | 1x2/0 GG | 2.772 | 7899 | 8971 |
138231◊ | 600 | 4 | BN,OE,YW,GY | 0.865 | 61 | 80 | 1x2 GG | 2.664 | 7691 | 8643 |
All dimensions are nominal and subject to normal manufacturing tolerances
◊ Cable marked with this symbol is a standard stock item
Note: Conductor number = number of phase conductors. Does not include ground
Note: GG = Green insulated ground
Note: GG = Green insulated ground
Table 2 – Electrical and Engineering Data
Cond. Size | Conductor Number | Min. Bend Radius | Max Pull Tension | DC Resistance at 25°C | AC Resistance at 75°C | Inductive Reactance @ 60Hz | Allowable Ampacity Raceway 75°C | Allowable Ampacity Raceway 90°C |
---|---|---|---|---|---|---|---|---|
AWG/Kcmil | Inches | Lbs | Ω/1000ft | Ω/1000ft | Ω/1000ft | Amp | Amp | |
1 | 3 | 8.9 | 2008 | 0.128 | 0.154 | 0.046 | 130 | 145 |
1/0 | 3 | 8.7 | 2534 | 0.102 | 0.122 | 0.044 | 150 | 170 |
400 | 3 | 15.9 | 9600 | 0.027 | 0.035 | 0.040 | 335 | 380 |
500 | 3 | 16.1 | 12000 | 0.022 | 0.029 | 0.039 | 380 | 430 |
500 | 3 | 16.4 | 12000 | 0.022 | 0.029 | 0.039 | 380 | 430 |
600 | 3 | 18.0 | 14400 | 0.018 | 0.025 | 0.039 | 420 | 475 |
1 | 4 | 9.3 | 2142 | 0.128 | 0.154 | 0.046 | 104 | 116 |
1/0 | 4 | 9.6 | 2703 | 0.102 | 0.122 | 0.044 | 120 | 136 |
4/0 | 4 | 9.6 | 5417 | 0.102 | 0.122 | 0.044 | 184 | 208 |
250 | 4 | 14.2 | 6400 | 0.043 | 0.053 | 0.041 | 204 | 232 |
350 | 4 | 16.1 | 8960 | 0.031 | 0.039 | 0.040 | 248 | 280 |
400 | 4 | 16.5 | 10240 | 0.027 | 0.035 | 0.040 | 268 | 304 |
400 | 4 | 18.3 | 10240 | 0.027 | 0.035 | 0.040 | 268 | 304 |
600 | 4 | 19.4 | 15360 | 0.018 | 0.025 | 0.039 | 336 | 380 |
600 | 4 | 18.6 | 15360 | 0.018 | 0.025 | 0.039 | 336 | 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.
* Ampacities have been adjusted for more than Three Current-Carrying Conductors.
Revision: 1.000.010
Updated On: Nov. 12, 2024, 11:23 p.m. UTC