Product Hierarchy
Product Hierarchy

6321UL - Fire Alarm, #18-3c BC, FPLP

Fire Alarm Cable, Plenum-FPLP, 3-18 AWG solid bare copper conductors with Flamarrest® insulation, Flamarrest® jacket with ripcord

Product Overview

Suitable Applications: Fire Alarm, Monitor/Detection, Circuits: Audio, Control, Initiating, Notification

Construction Details

ElementNumber of ElementSizeStrandingMaterial
Conductor(s)318 AWGSolidBC - Bare Copper
ElementMaterialNom. ThicknessNom. Insulation DiameterColor Code
Conductor(s)PVC - Polyvinyl Chloride0.01 in (0.25 mm)0.061 in (1.5 mm)Black, Red, Brown
Outer Shield
No Shield
Outer Jacket
MaterialNom. ThicknessNom. DiameterRipcord
PVC - Polyvinyl Chloride0.015 in (0.38 mm)0.16 inYes
Overall Cable Diameter (Nominal): 0.16 in

Electrical Characteristics

Nom. Conductor DCRNom. Capacitance Cond-to-CondMax. Current
6.65 Ohm/1000ft29 pF/ft (95 pF/m)5 Amps per Conductor at 25ºC
UL Voltage Rating
300 V

Mechanical Characteristics

UL TemperatureOperating
75°C0°C To +75°C
Bend Radius
Stationary Min.Installation Min.
1.28 in (32.5 mm)1.28 in
Max. Pull Tension: 58.8 lbs (26.7 kg)
Bulk Cable Weight: 22.7 lbs/1000ft

Standards and Compliance

Environmental Suitability: Indoor
Flammability / Reaction to Fire: NFPA 262 (UL910)
NEC / UL Compliance: Article 760, FPLP
European Directive Compliance: EU CE Mark, EU Directive 2011/65/EU (RoHS 2), EU Directive 2012/19/EU (WEEE)
APAC Compliance: China RoHS II (GB/T 26572-2011)
Other Standard Compliance(s): California State Fire Marshall
Non-Plenum Number: 5321UL


Update and Revision: Revision Number: 0.299 Revision Date: 04-08-2022

Part Numbers

Item #ColorUPC
6321UL 0021000Red612825175940
Date: 2005-04-01
No accessories are available for this product