This 18 AWG, 2-conductor shielded VNTC (Vinyl Nylon Tray Cable) is an industrial-grade control cable designed for signal transmission and low-voltage power in protected environments. Utilizing TFFN (Thermoplastic Flexible Fixture Nylon) conductors, this cable provides high flexibility for routing through complex raceways and enclosures where electromagnetic interference (EMI) must be suppressed.
Key Features of 18-2 Shielded VNTC
100% EMI/RFI Shielding: Features an overall aluminum foil-polyester tape shield with a tinned copper drain wire. This construction provides total coverage to protect sensitive 4-20mA signals or digital data from the electrical "noise" generated by surrounding machinery.
Flexible TFFN Conductors: The TFFN stranded copper conductors offer superior flexibility compared to standard THHN, making the cable significantly easier to pull through conduit and terminate in tight control panels.
Rugged Conductor Insulation: The PVC insulation with a tough nylon skin provides excellent resistance to abrasion, chemicals, and moisture, ensuring long-term reliability in industrial settings.
Industrial Compliance: Rated for 600V and 90°C (dry), this cable is sunlight-resistant, flame-retardant, and approved for use in Class I, Division 2 hazardous locations.
Common Applications
Instrumentation & Signal Loops: Ideal for connecting transmitters, sensors, and flow meters to PLC input modules.
DC Control Circuits: Frequently used for 24V DC control runs where the Black and Red conductors provide clear polarity identification.
Data Transmission: Providing shielded paths for low-speed digital communication lines to prevent data corruption.
Security & Alarms: Suitable for shielded power and signal runs for industrial security sensors or access control systems.
Conductor Identification: DC/Custom Color Code
Conductor 1: Black
Conductor 2: Red
Technical Specifications
Conductor Size: 18 AWG
Number of Conductors: 2
Conductor Material: Bare Annealed Copper (Stranded)
Insulation: TFFN (PVC with Nylon Skin)
Shielding: Overall Aluminum Foil-Polyester Tape (100% coverage)
Drain Wire: Tinned Copper
Jacket: Flame-Retardant, Sunlight-Resistant PVC (Black)
Voltage Rating: 600V
Temperature Rating: 90°C Dry / 75°C Wet
Compliance: UL 1277 (Type TC), UL 66 (TFFN), IEEE 1202, RoHS Compliant
Technical Note: As this cable is not TC-ER rated, it is designed for installation in cable trays, conduits, or raceways. It does not have the reinforced jacket required for "Exposed Run" applications and generally cannot be run as an unsupported cable between a tray and equipment for distances exceeding 6 feet.
To ensure the shield functions effectively, terminate the drain wire to a clean ground at the source end only; terminating at both ends can create a ground loop that introduces more noise than it eliminates.
CABLE TYPE: 18/2 Shielded VNTC (TFFN/PVC)
RATING: Type TC (Non TC-ER)
COLOR CODE: Black, Red
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DISCLAIMER: The technical information, ampacity ratings, and color codes provided are for general reference only. Specifications may vary by manufacturer and are subject to change without notice. Always consult with a licensed electrical engineer or local building authorities to ensure compliance with the National Electrical Code (NEC) and all local safety regulations before installation.