... Alarm, Public Address Systems, Intercoms, Telephone Stations, Speakers, Instrumentation, Control and other Low Voltage Circuits SpecificationsModel No.ConductorInsualtionJacketCores × Nom. AreaMax. Resistance ... -Core :Black, red, white, green, brown, blue, orange, yellow, purple, gray12-Core :Black, red, white, green, brown, blue, orange, yellow, purple, gray, pink, violet