The CAST Journeymen® Series Multi-Tap Transformers include secondary magnetic circuit breakers and can accommodate up to 10 fixture wires. These transformers are rugged and reliable. Resin-sealed toroidal core - ensures for the highest possible efficiency Full transformer capacity can be loaded into any single voltage tap Voltage taps of 12, 13, 14, and 15 Volts Extra-large 125 Amp terminal blocks - to accommodate up to (10) #12/2 wires Secondary magnetic circuit breakers Stainless steel enclosure