Wiring and componentsQuestion 806 of 1506

How are connections to busbars usually made?

  1. Welded or bolted
  2. Soldered with wire-wrap
  3. Plugged into spring clips
  4. Twisted and taped
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Correct answer: Welded or bolted

High-current bars use heavy, permanent connections.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 12.2: Conductor Size

Practice wiring and components

Questions last reviewed: 18 October 2026