Wiring and componentsQuestion 439 of 1506

Which joint is used to join parallel wires?

  1. Western Union splice
  2. Twist joint
  3. Tap joint
  4. Tinned butt joint
Show answer

Correct answer: Twist joint

The twist joint is for parallel wires. The Western Union splice is for in-line wires.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 9.2: Soldered Connections

Practice wiring and components

Questions last reviewed: 18 October 2026