Manual override knob provides an added level of safety allowing control with or without power and offering LOCKED OFF capability for servicing LED output to remotely indicate switch state – requires optional LED 3∕ 8″-16 tin-plated copper studs for maximum conductivity and corrosion resistance 7∕ 8″ (22 mm) stud length accepts multiple cable terminals Label recesses for circuit identification Silver alloy contacts provide high reliability for switching live loads