You are ordering 50 feet of 14 Gauge OGR Wire
Tested and Approved by O Gauge Railroading’s Backshop Foreman Jim Barrett! Excellent For Use With TMCC and DCS. This is TWO-CONDUCTOR wire, with ONE RED WIRE and ONE BLACK WIRE.
14 gauge wire is suitable for long track feeds on larger layouts. It is larger than 16 gauge wire and capable of handling high current loads without excessive voltage drop.