The Sigma Switches Black Switch Single Pole Double Throw is a reliable and durable switch designed to meet your RV's electrical needs with ease. A Single Pole Double Throw (SPDT) switch is a switch that only has a single input and can connect to and switch between the 2 outputs. This means it has one input terminal and two output terminals. UL, CUL, RoHS compliant, guaranteeing adherence to safety and quality standards. Self-cleaning contacts ensure optimal performance and longevity. Heavy-duty switching mechanism for durability and reliability. Fully enclosed active switching elements provide enhanced safety and protection. Mounting:No hardware or tools needed. Self locks in to proper panel cutout 14.00mm(.550") x 28.6mm(1.25")Acceptable panel thickness range is from .64mm (.025") to 4.57mm (.180")Standard termination is solderless 6.35mm (.250") wide x .81mm (.032") thick Electrical Rating:13A - 125vac10A - 250vac5A - 14V(T)20A factory - 14vdc Peak