Wiring and componentsQuestion 465 of 1506

A copper iron tip has become pitted. What should be done?

  1. Keep using it, because pits help the solder flow
  2. Replace the solder with acid flux
  3. File it back to bare metal, then tin it again
  4. Dip the tip in water while hot
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Correct answer: File it back to bare metal, then tin it again

It is virtually impossible to solder well with a corroded tip.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 10.2: Soldering Tools

Practice wiring and components

Questions last reviewed: 18 October 2026