MADE IN USA - West Penn Wire 3244 CMR Rated great for Installations 18/4 Stranded Bare Copper conductors Shielded with an overall jacket Application: Indoor for: Intercom, Security, Sound, Audio, Background Music, and Power Limited Control Circuits. Orders of Multiple Lengths Will Be Sent as a Single Continuous Length, Up to a Maximum of 1,000 Feet

West Penn Wire 3244 CMR Rated great for Installations. 
18/4 Stranded bare copper conductors, Shielded with an overall jacket
 

• Application: Indoor for: Intercom, Security, Sound, Audio, Background Music, and Power Limited Control Circuits.
  
  This wire is New and will be cut from a larger roll. 
  NOTE: Orders of Multiple Lengths Will Be Sent as a Single Continuous Length, Up to a Maximum of 1,000 Feet. 
  
  CONSTRUCTION & DIMENSIONS CONDUCTOR PARAMETER 
  Number of Conductors: 4 
  - AWG Size: 18 
  - Conductor Stranding: 7x26 
  - Conductor Type: Bare copper 
  - Nominal DCR: 6.2 Ohm/1000ft 
  
  INSULATION PARAMETER 
  - Insulation Type: Thermoplastic 
  - Insulation Thickness: 0.008 in 
  - Insulation Color Code: 1.Black, 2.Red, 3.White, 4.Green.
  
  SHIELDING PARAMETER 
  - Shield Type: Overall 100% Aluminum Foil 
  - Drain Wire Type: Tinned Copper 
  - Drain Wire AWG: 24 AWG 
  
  ELECTRICAL CHARACTERISTICS 
  - Nom. Cap. Between Conductors: 40 pF/ft. 
  - Nom. Cap. Conductor to Shield: 79 pF/ft. 
  
  OVERALL CONSTRUCTION PARAMETERS 
  - Jacket Type: PVC - Jacket Thickness: 0.017 in 
  - Nominal Cable O.D.: 0.187 in 
  - NEC UL Rating: CMR, CMG 
  - RoHS Compliant: Yes 
  - Pull Tension: 103 lbs. 
  - Bend Radius: 1.683 in