Fire Alarm Control Cable

Galvanized Interlocking Steel Armor Color Coded Red featuring ColorSpec

Features & Benefits

  • Red armor identifies Fire Alarm Cable
  • Special color codes available to comply with RI Fire Safety Code Chapter 23, Section 8
  • Type FPLP or Dual-Rated Type MC/FPLP is plenum rated
  • Available with twisted shielded pairs
  • Superior EMI Shielding versus aluminum armor
  • UL Classified for Through-Wall Penetrations
  • Fire Alarm/Control Cable is a traditional Type MC cable containing one or more copper grounding conductors; the armor is not an equipment grounding means
  • Made in USA of US and/or imported materials


Fire alarm wiring or remote control hook-up connecting main fire alarm control panel with pull stations, smoke detectors and alarms, remote control circuits from magnetic motor starters, contractor, relays and signals, exposed, concealed, in cable trays, ducts, plenums or other environmental air-handling spaces, FPLP, in hazardous locations up to Class I & II, Div. 2 and Class III, Div. 1 & 2 (per NEC® Articles 501, 502, 503, 530).Galvanized Interlocking Steel Armor Color Coded Red featuring ColorSpec®



Galvanized Interlocking Steel Strip (red-striped)
Solid Copper
Conductor Insulation
TFN 18 & 16 AWG and/or THHN 14 & 12 AWG
Polyester Assembly Tape; Twisted Shielded: Laminated Aluminum/Mylar ® Shield with Tinned Copper drain wire
Maximum Temperature Rating
105°C (dry) MC: 90°C (dry)
One or more grounding conductors may be bare or insulated green, see chart
Neutral Conductor
Maximum Voltage Rating
300V (FPLP)
600V (MC)

References & Ratings

  • UL 66, 83, 1424, 1479, 1569, 1581, 2556, File Reference E80042
  • NEC® 300.22(C), 392, 330, 430.2, 501, 502, 503, 530, 504, 505, 518, 530, 645, 725, 760, 760.154(A)
  • Cable Tray Rated, install per NEC®
  • Federal Specification A-A–59544 (formerly J-C–30B)
  • UL Classified 1, 2, and 3 hour through (Fire) penetration product, R–14141
  • NFPA 262 (formerly UL 910) Plenum Rated – Type FPLP
  • Made in USA of US and/or imported materials
Product Code 250' CoilProduct Code 1000' ReelTrade SizeGrounding Conductor AWGApprox Weight / 1000 Feet (lbs)Armor Nom. O.D. (In)
Solid TFN
1810R42-001810R60-0016-2 Solid (Black, White)16 bare1200.470
1813R42-001813R60-0016-4 Solid (Black, White, Red, Blue)16 bare1470.491
Solid THHN
1834R42-001834R60-0014-2 Solid (Black, White)14 Solid (Green)141.50.471
1837R42-001837R60-0014-4 Solid (Black, White, Red, Blue)14 Solid (Green)1920.529
1835R42-001835R60-0012-2 Solid (Black, White)12 Solid (Green)1770.514
1840R42-001840R60-0012-4 Solid (Black, White, Red, Blue)12 Solid (Green)2490.584
Twisted Shielded Pairs
1895R42-051895R60-0516-2 Solid (1 TSP) (Blue, White)16 Solid (Green)1470.526
1895R42-061895R60-0616-2 Solid (1 TSP) (Black, Red)16 Solid (Green)1470.526
4901R42-004901R60-0016-2 Solid (1 TSP) (Black, White) & un-shielded 12-2 Solid (Black, Red) 12 Solid (Green)2360.606
1828R42-001828R60-0014-2 Solid (1 TSP) (Black, White)14 Solid (Green)2170.565
_1828R60-0514-2 Solid (1 TSP) (Blue, White)14 Solid (Green)2170.565
1881R42-00_14-4 Solid (2 TSP) (Black, Red) (Blue, White)14 Solid (Green)2550.690
Specialty Colors
1828R42-051828R60-0514-2 (1TSP) (Blue, White)14 Solid (Green)2170.565
1834R42-051834R60-0514-2 Solid (Blue, White)14 Solid (Green)1950.627
1834R42-061834R60-0614-2 Solid (Black, Red)14 Solid (Green)1950.627
1834R42-231834R60-2314-2 Solid (Orange, Yellow)14 Solid (Green)1950.627
1834R42-371834R60-3714-2 Solid (brown, purple)14 Solid (Green)1950.627
1834R42-441834R60-4414-2 Solid Gray, Gray*)14 Solid (Green)1950.627
1835R42-051835R60-0512-2 Solid (Blue, White)12 Solid (Green)1770.514
1837R42-051837R60-0514-4 Solid (Blue, Blue*, White, White*)14 Solid (Green)1920.529
1837R42-061837R60-0614-4 Solid (Black, Black*, Red, Red*)14 Solid (Green)1920.529
1895R42-061895R60-0616-2 (1 TSP) (Black, Red)16 Solid (Green)1470.526
Metal Sheathed Type FPLP Cable
1860R42-001860R60-0016-2 Solid (1 TSP) (Black, White)1180.470
1843R42-001843R60-0016-4 Solid (2 TSP) (Black, White) (Red, Blue)1950.627

Electrical Properties (ohms to neutral per 1000 feet)

Conductor Size AWGXL, Reactance1RAC, Resistance, 75°C2Z, Effective3 Impedance
  • 1 In Steel Armor
  • 2 To correct for 90°C, multiply by 1.048
  • 3 Effective Impedance is defined as R cos (Theta) + X sin (Theta) where Theta is the power factor angle of the circuit. Effective impedance values shown in the table above are valid at 80% power factor.

Mutual Capacitance (pico farads per foot)

Conductor Size AWGTwisted Pair1Twisted Shielded Pair2
  • 1 Between conductors
  • 2 Between one conductor and the other conductor(s) plus the shield
SizeTotal Numbers of Conductors Including GroundConductor DiameterLength of LayTwists per Foot