Red Seal Electrician Practice
Motor controlsQuestion 188 of 1506

In a truth table for a control circuit, what does the number 1 usually mean?

  1. The normal, at-rest state of the circuit
  2. A broken wire somewhere in the circuit
  3. An energized state
  4. A ground fault on the load side
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Correct answer: An energized state

In a truth table, 0 is the normal state and 1 means activated or energized.

Source: Troubleshooting Motors and Controls (Dickson-Self), 2.3: Introduction to Logic

Practice motor controls

Questions last reviewed: 18 October 2026