Overload Calculations

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Across
  1. 2. The position that a circuit breaker trips to when a short circuit occurs
  2. 3. An instant trip or a failure to reset is a good sign that a ______ is occurring
  3. 5. The __________ insulation can be damaged if breakers and fuses are not sized properly and excessive heat occurs
  4. 6. __________ rating is the maximum level of fault current that the fuse can safely interrupt
  5. 8. What the R is Class R Fuse stands for
  6. 9. Types of fault currents include Overloads, Short Circuits, Ground faults, and _____ _____(two words)
Down
  1. 1. Dual __________ fuses protect against short circuits and overloads
  2. 3. What UL Labs is primarily concerned about
  3. 4. Selective __________ is a term used in our chapter
  4. 5. Branch circuits must be sized for 125% of the ___________ load
  5. 7. A common type of overload relay which can be matched to the heating curve of the motor
  6. 10. Circuit breakers are grouped for identification according to given _______ ranges