Multiple seal plug/connector interface keeps out contaminants; resists vapor and water from high-pressure wash down up to 1000psi * Color-coded 1/4" terminal screws preset in open position, ready to wire * Wire screw terminals are tri-drive to be used with straight blade, Phillips and square-drive screw drivers * Floating blade construction provides self-alignment, and a better mechanical and electrical connection minimizing wear and heat generation * Transparent wiring guide to verify all wire strands are in place before securing wire