Red Seal Electrician Practice
Motor controlsQuestion 88 of 1506

What does a normally open, timed-closed (NOTC) contact do?

  1. Closes at once when energized, and opens only after a delay when de-energized
  2. Opens only after a delay when the coil is energized, and closes at once when it drops
  3. Closes after a delay when de-energized, and opens at once when energized
  4. Closes only after the coil is energized for the set time, and opens at once when it is off
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Correct answer: Closes only after the coil is energized for the set time, and opens at once when it is off

This is also called a normally open, on-delay contact.

Source: Lessons in Electric Circuits IV: Digital (Kuphaldt), 5.3: Time-delay Relays

Practice motor controls

Questions last reviewed: 18 October 2026