Red Seal Electrician Practice
Wiring and componentsQuestion 659 of 1506

What is the advantage of a terminal strip with recessed screws?

  1. It lets the screws be tightened without any tool at all.
  2. It raises the current rating of each terminal on the strip.
  3. It helps keep a screwdriver or metal object from shorting two terminals.
  4. It joins all of the terminals on the strip together.
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Correct answer: It helps keep a screwdriver or metal object from shorting two terminals.

The recessed screws keep tools from bridging neighbouring terminals.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 5.8: Building Simple Resistor Circuits

Practice wiring and components

Questions last reviewed: 18 October 2026