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post #173 of (permalink) Old 9th October 2007
tom burton
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Thank's for the update!

I'm also of the 'old school' that says that fuses are there to protect the wiring as well as the bit attached to these wires. In the systems I commission etc. the protection device, whether a fuse, MCB etc., only protects the wiring: the thing on the end of the cable has to look after itself, i.e. has its own fuse protection.

It appears that in the design of car electrical systems, that the wiring is not protected by the fuse, i.e. the current flowing when there is wiring problem is not sufficent to blow the fuse, so that wires just keep on getting hot etc.

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