Wiring and componentsQuestion 452 of 1506

Up to what voltage does the shell of a twist-on connector give enough insulation?

  1. 120 V
  2. 250 V
  3. 1000 V
  4. 600 V
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Correct answer: 600 V

The text states circuits up to 600 V.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 9.3: Solderless connectors

Practice wiring and components

Questions last reviewed: 18 October 2026