Re: Why does laptop PSU have an earth wire?

Chris Whelan wrote:

BTW, 2A fuses were introduced for things like lamps, but often a
failing filament shorts the lamp out.

Absolute nonsense. No lamp filament has ever shorted out a circuit. If
the filament is dodgy it blows and it burns out way below any fuse level
You are talking absolute crap. I suspect you are in second term of an
electrical engineering course and think you know everything already.


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