Thread: overvoltage
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w_tom w_tom is offline
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Default overvoltage

On Jun 1, 9:12 am, "Chuck (in SC)" wrote:
not to mention.. someone in the thread stated something to the effect:
"if it has a fuse.. that's what it's there for.."
I wouldn't make fun of them if they ASKED if that
is what it's for. But when a person claims to know something..


Purpose of a fuse: to protect human life. First an appliance is
damaged. Then the resulting excessive current threatens to create a
fire. So the fuse blows to disconnect damaged equipments.

The numbers. Electronics can be damaged in microseconds. Fuses
take milliseconds to blow. The fuse does not protect transistors.
The fuse protects human life after damage has occurred. If no
numbers, then suspect junk science reasoning.

Many power supplies have no fuses. When power supply's output is
shorted, then what avoids a fire or damage? Electronic circuits
inside a power supply make that fuse unnecessary.