Red Seal Electrician Practice
Wiring and componentsQuestion 463 of 1506

An electrician wipes a tinned iron tip on a damp sponge and sees silver colour. What does this show about the temperature?

  1. Close to 425 C
  2. Below 200 C
  3. Above 500 C
  4. Between 315 C and 370 C
Show answer

Correct answer: Between 315 C and 370 C

Gold streaks mean the temperature approaches 425 C.

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

Practice wiring and components

Questions last reviewed: 18 October 2026