Circuit protection (was: RE: Latest addition : PDP 11/70)

From: Fred Cisin <cisin_at_xenosoft.com>
Date: Thu Aug 2 17:19:08 2001

On Thu, 2 Aug 2001, Tony Duell wrote:
> Yes, and what happens if there's a fault so the device draws, say, 10A
> (OK, not likely with a lamp, but possible with other things. Easily
> possible). The fuse will not blow at 10A (it's rated at 15A), but zip
> cord is going to get _very_ hot.

What happens?
The house burns down.

> That's _exactly_ the problem. If somebody tried that here (assuming the
> fuse in the plug was the correct one -- 3A) ,the only result would be a
> blown fuse. And not a cable on fire.

That might mean that you have far fewer of that sort of fires.

--
Grumpy Ol' Fred        cisin_at_xenosoft.com
Received on Thu Aug 02 2001 - 17:19:08 BST

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