Circuit breaker cutaway.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...y_fullsize.jpg
Previously:
How a circuit breaker trips, in slow motion - GIF
Homemade jumper cables in Yemen - photo
Undersea cable armoring GIF
NASA technical standard document: Crimping, Interconnecting Cables, Harnesses, Wiring
Circuit board recycling GIF
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