[EMERGENCY CALL OUT]-Found unit off and pasta cooker next to it off. Turned on and cycled up to temp with no issue drawing about 27 amps on each leg with 14 ohms and 212v on 40 amp breaker. Checked over electrical box found no sign of moisture at this time, may have dried up over night. Checked over element cavity found no issues. Uprighted kettle and let heat filled with water and let heat. Obsereved amp draws each time with no spikes or signs of short. Found to operate correctly at this time with zero issues. Found top cover with screws slightly loose but gasket is properly in place. As I was fastening lid on unit found breaker to trip. Reset and clamped on to safety switch on wall to observe operation. Found to trip twice reset breaker each time until breaker would not reset. Shut safety switch on wall off and still would not reset. Cycled safety switch and units switch got breaker to reset. Due to breaker still not resetting while disconnect was opened believe breaker