:confused: I'M DOING A COLLEGE ASSIGNMENT, AND I NEED TO KNOW REASONS WHY YOU WOULD REPLACE A CURRENT RELAY WITH A PTC TYPE. I ALSO NEED HELP WITH WIRING UP 2 CAPACITORS, ONE 50Mf 230VOLTS AND ONE 100Mf 230VOLTS WHEN REPLACING A FAULTY 150Mf 230VOLTS START CAPACITOR. :