FX Luminaire PX 150W Stainless Steel Multi-Tap Lighting T...Multi tap outputs: 12V, 15V, 15V Stainless steel construction no plated common steel is used which means no rust Extra large terminal block each terminal can handle up to 16, 12 ga conductors Nickel plated terminal block hardware, the ultimate conductive surface to minimize resistance Aerospace circuit breakers these breakers are not temperature sensitive which minimizes nuisance tripping so the transformer can be fully loaded Two inch conduit knock