Ontario Source: Global Traffic Technologies Canada, Inc. 157 Adelaide Street West, Suite 448 Toronto ON M5H 4E7 Tel: (800) 258-4610 Email: infoaboutgtt@gtt.com Web: www.gtt.com | Electrical Cable, Low Voltage, Pre-emption, Model 138 | 138 | 3 Cable #20 AWG, Drain #20 AWG | Applicable to Detector, Emergency Vehicle Pre-Emption, DSM 6.80.15 |