Latest shows. See Us At Our Tradeshow For more than 25 years, Automotive Aftermarket Products Expo (AAPEX) has been the premier global event representing the $477 billion global aftermarket auto parts industry. Located at the majestic Sands Expo, AAPEX 2015 will feature over 2,200 automotive aftermarket manufacturers... read more.
Senior Cycle Economics. Welcome and thank you for visiting the PDST Economics Site. The PDST Economics team incorporates Economics in providing high-quality professional development and support that empowers teachers and schools to provide the best possible education for all pupils/students.
Posted on June 15, 2015 by sltwtr. SPST stands for single pole single throw and DPDT stands for double pole double throw. A SPST switch is a simple on/off type switch and can be used for coil splitting and as a kill switch for the guitar. DPDT switches typically have a total of 6 terminals. There are two isolated common terminals, usually located side by side in the center of the switch.