SPEC 60214
Duraclad® Type MC THHN/THWN Circuit Size Copper Conductor Isolated Ground 120/208V Colors
Copper THHN/THWN Insulated Singles. Two Insulated Grounding Conductors. UL Listed 600 Volts Rated VW-1. Galvanized Steel Interlocking Armor.

Construction:
- Conductor:Solid per ASTM B3 or Combination unilay-stranded copper conductors per ASTM B787
- Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
- Ground:Two insulated Green and Green/Yellow grounds. Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
- Binder:Mylar tape
- Armor:Galvanized Steel Interlocking Armor.
Applications and Features:
Southwire Type MC Cable -Isolated Ground is suitable for use as follow:
- Applications requiring redundant, dedicated or isolated grounding paths.
- Branch, 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(D)(2)
- 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.
Southwire Type MC Cable - Isolated Ground 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
- Applications requiring redundant, dedicated or isolated grounding paths.
- Branch, 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(D)(2)
- 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.
Southwire Type MC Cable - Isolated Ground 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:
STEEL MC CABLE W/CU CDRS THHN-THWN MAXIMUM VOLTAGE 600V, FOR USE IN CABLE TRAY90(D)C - WET OR DRY LOCATIONS GASOLINE & OIL RESISTANT CDRS. (GREEN INSULATED GROUND)
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 | |||||||||||||
10 AWG | 19 Strands | |||||||||||||||||||
557781◊ | 10 | 8 | See Table | 0.113 | 19 | 25 | 2x10 | 0.880 | 321 | 651 |
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 plus neutrals. Does not include green and green/yellow 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.
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.
Table 2 – Electrical and Engineering Data
Cond. Size | Conductor Number | Min. Bend Radius | 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 | Ω/1000ft | Ω/1000ft | Ω/1000ft | Amp | Amp | |||||||||||||
10 AWG | 19 Strands | |||||||||||||||||||
10 | 8 | 6.2 | 1.040 | 1.253 | 0.050 | 24 | 28 |
* Ampacities based upon 2023 NEC Table 310.16 and do not take into account the overcurrent protection limitations in NEC 240.4(D) of 15 Amps for 14 AWG CU, 20 Amps for 12 AWG CU, and 30 Amps for 10 AWG CU (independent of the conductor temperature rating and stranding if size is present in table). Also, 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.
Color Table - Conductor number = number of phase conductors plus neutrals. Does not include green and green/yellow ground ( / means stripe RD/WE is Red with White Stripe)
Size (Strand) | Cond. Number | Stock Code | Color |
10 (19) | 8 | 557781 | BK, RD, BE, BK/WE, WE, WE/RD, WE/BE, WE/BK, GN, GN/YW |
Revision: 1.000.010
Updated On: Dec. 31, 2024, 11:08 p.m. UTC