Thread: Fuses
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Old 15th Jan 2008, 1:25 pm   #20
Brian R Pateman
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Join Date: Jun 2005
Location: Western Lake District, Cumbria (CA20) - UK
Posts: 2,136
Default Re: Fuses

The fuse in the appliance is to protect the appliance.

The fuse in the plug is to protect the cable between the plug and the appliance.

The fuse in the distribution board is to protect the sub circuit wiring.....and so on.

They are all there to protect the user.

(This is the simple answer - unless of course you want t ogo into the intricacies of discrimination in power supply system design.)

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