Atlas #315 50' Black 20 Gauge Stranded Layout Wire
Atlas #316 Layout Wire, 20 Gauge - Stranded (50ft) Red
Atlas #317 HO Layout Wire, 20 Gauge - Stranded (50ft) Green
Atlas #70000050 - ALL SCALES SIGNAL ATTACHMENT CABLE
Atlas #70000051 - Signal Attachment Cable, dual 4-pin harness DIY set
Atlas #70000057 - SCB Interconnect Cable - All Scales Signal System