Red Seal Electrician Practice
Wiring and componentsQuestion 389 of 1506

What fuse rating may replace a blown fuse?

  1. A higher rating, to stop repeat blowing
  2. The rating the manufacturer recommends
  3. Any rating that will fit in the holder
  4. A lower rating, as a safety margin
Show answer

Correct answer: The rating the manufacturer recommends

A higher rating would leave the circuit and wiring unprotected.

Source: Electrical Fundamentals Competency (Industry Training Authority of BC), 5.4: Circuit Protection Devices

Practice wiring and components

Questions last reviewed: 18 October 2026