SPEC: 60420

Steel Armored Thermostat Type MC

18 AWG TFN/TEWN Insulated Singles. Green Insulated Ground. UL Listed. 600 Volts. Rated VW-1. Steel Interlocked Armor.

Download Category Specifications

Application & Features

Southwire Steel Armored Thermostat Type MC Cable is suitable for use as follows:

Signal, control, 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 Article 645

Class I Div. 2, Class II Div 2, & Class III Div. 1 Hazardous Locations.

Southwire 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)	Approx. OD (in) (cm)	Approx. Weight (lbs/1000') (kgs/km)
More Options	18 AWG 18 AWG	2 2	BK, WE BK, WE	0.040 0.10	Solid Solid	15 0.38	0.386 0.98	77 115
More Options	18 AWG 18 AWG	4 4	BK, RD BE, WE BK, RD BE, WE	0.040 0.10	Solid Solid	15 0.38	0.419 1.06	96 143
More Options	18 AWG 18 AWG	6 6	BK, RD BE, WE, YW, GN BK, RD BE, WE, YW, GN	0.040 0.10	Solid Solid	15 0.38	0.442 1.12	116 173
More Options	18 AWG 18 AWG	7 7	BK, RD BE, WE, YW, BN, OE, GN BK, RD BE, WE, YW, BN, OE, GN	0.040 0.10	Solid Solid	15 0.38	0.466 1.18	135 201

Note: Conductor number = number of phase conductors plus neutral. Does not include green 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)	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 90C
More Options	18 AWG 18 AWG	2 2	2.7 6.86	6.669 9.92	8.035 11.96	0.036 0.05	14 14
More Options	18 AWG 18 AWG	4 4	2.9 7.37	6.669 9.92	8.035 11.96	0.036 0.05	11 11
More Options	18 AWG 18 AWG	6 6	3.1 7.87	6.669 9.92	8.035 11.96	0.036 0.05	11 11
More Options	18 AWG 18 AWG	7 7	3.3 8.38	6.669 9.92	8.035 11.96	0.036 0.05	9 9

* 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.

Standards & References

ASTM B3 Soft or Annealed Copper Wire
UL 66 Fixture Wire
UL 1569 Metal-Clad Cables
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.
VW-1 (Vertical-Wire) Flame Test

Construction

Conductor:Solid soft drawn copper per ASTM B3
Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type TFFN
Ground:Green insulated ground. Polyvinyl Chloride with Nylon Sheath Type TFFN
Binder:Paper tape
Armor:Steel Interlocked Armor

Resources

There are no downloadable resources for this product.