Red Seal Electrician Practice
Wiring and componentsQuestion 447 of 1506

What is a main advantage of twist-on connectors over soldered joints?

  1. They install fast and can be removed easily later
  2. They give a permanent weather-resistant joint
  3. They need no stripping of the wire
  4. They suit any conductor size
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Correct answer: They install fast and can be removed easily later

Soldered joints are rigid and permanent, but slow to make.

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

Practice wiring and components

Questions last reviewed: 18 October 2026