Level 2 · Automotive Electricity
Fuses and Relays
Protection strategy and how a relay switches a large load with a small command.
2 Lessons
17 min
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1
Protection Strategy: Fuses, Breakers and Links
beginner
Why circuits are protected, how ratings are chosen and how to read a fuse map.
8 min
2
Testing a Relay
intermediate
Coil, contacts and terminals — a repeatable relay test without guesswork.
9 min
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Module quiz
5 Questions · Pass mark: 70%