Profile: Transco, Inc. specializes in offering transformers, sign ballasts, neon equipment, neon electrodes and components. Vanguard GFP polytrans transformers feature epoxy resin fill, service bypass switch, tri-LED sensor lamp indicator, 30 and 60 mA, 60 hertz, 120 V and 277 V, and are perfect for servicing pre-UL2161 signs. We supply accessories such as aluminum threaded studs, letter mounting pads, tinned tile wire, and 1000 volt ballast wire. Transco's EWS (enclosure with switch) models include Transco polylok transformer, Transco transformer box enclosure, Transco disconnect switch w/ boot-20amp pre-installed and pre-wired. Our electrodes contain the familiar ceramic collar and mica disc.