18/4 Shielded Fire Alarm Cable, True 18 AWG Solid Copper, ETL Listed FPLP

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• Tools & Home Improvement
• Electrical Wire
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• 【True Gauge 18 AWG – 4 Conductors with Solid Bare Copper】This 18/4 fire alarm cable features four solid conductors made of 100% bare copper, each with a diameter of 1.02 mm (0.040 inches). Maximum DC resistance per conductor is ≤21.4 Ω/km (approximately 6.52 ohms per 1,000 ft at 20°C), meeting the specification requirements for 18 AWG solid copper conductors. This helps limit voltage drop (≤1.31V tested over 100 ft) and supports reliable low-voltage fire alarm and signaling operation.
• 【Shielded Cable with Tinned Copper Drain Wire】stranded tinned copper drain wire provides a convenient shield termination connection. This 18/4 shielded wire supports fire alarm installations where shielding is required. Connect the drain wire according to the equipment’s shielding and grounding instructions
• 【ETL Listed to UL 1424 – FPLP Plenum Rated】This 18 AWG cable is ETL Listed to UL 1424 as a fire alarm circuit cable (ETL Control Number: 5037745) and carries an FPLP (Plenum) rating for installations requiring limited flame spread and smoke generation. Suitable for permitted indoor plenum and in-wall fire alarm wiring. Rated 300V for power-limited circuits
• not intended for AC mains wiring or mains power cords. Operating temperature: -20°C to +75°C.
• 【For Smoke Detectors, Heat Detectors & Fire Alarm Panels】Designed for compatible 0–30V circuits, this 18/4 low voltage wire connects smoke detectors, heat detectors, manual fire alarm stations, horns, strobes, and fire alarm control panels. Four conductors accommodate separate low-voltage power and signal connections for compatible fire alarm devices.
• 【Color-Coded Conductors + Installation Kit Included】Red, black, blue and brown conductor insulation helps identify connections, while the red PVC jacket includes a ripcord for easier jacket removal. Each package includes an 18 AWG blue lead wire, 10 UL-certified wire nuts, 1 roll of V-0 rated flame-retardant electrical tape, and an ETL compliance certificate copy for convenient installation preparation.