Journeyman Electrician Practice Test-22

Free online journeyman electrician exam practice test -22

Electrician Practice Tests:

Note 1:

Every motor which is rated more than 1 HP and used in contentious duty applications shall be protected by overload protection. The following are the protection settings as per the NEC code.

  • 125% of FLC ( If service factor is greater then 1.15)
  • 125% of FLC ( If the temperature rise does not exceed 40 C)
  • 115 % of FLC (For all other motors)

Note 2:

If the overload settings is not sufficient to start the motor, then a higher setting is allowed to use as per NEC 430.32(C). The higher settings are as follows:

  • 140% of FLC ( If service factor is greater then 1.15)
  • 140% of FLC ( If the temperature rise does not exceed 40 C)
  • 130 % of FLC (For all other motors)

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