[Healeys] Fwd: New Classic Technologies Fuse Box

Simon Lachlan simon.lachlan at homecall.co.uk
Fri Dec 18 06:09:20 MST 2015

Wellllllllll............and just to keep a god diversion going,..............in the UK, every plug going into our so-called house “ring mains” is individually fused at, normally 13, 5 or 3 amps. And some sockets, which are wired direct to the appliance ie cookers, also carry individual protection. So far as I recall, when Brussels tried to make the UK align itself with Europe on this, the Government of the day said that the topic was not even open for discussion. 

I am not an electrician and am not going to be drawn on the merits of the two systems.



From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of warthodson at aol.com
Sent: Thursday, December 17, 2015 22:53
To: healeys at autox.team.net
Subject: [Healeys] Fwd: New Classic Technologies Fuse Box


This is a fun subject. Carrying the house wiring analogy to the extreme, that would mean that every light, every outlet, every electrical devise should have its own fused electrical circuit. Furthermore. every circuit that is switched should have a separate relay so that the switch is powered from one circuit & it energizes a relay that in turn energizes the light, etc. Shouldn't the relay circuit also be fused? What if the short is in the relay circuit? 

Gary Hodson


-----Original Message-----
From: Roger Grace <roggrace at telus.net>
To: josef-eckert <josef-eckert at t-online.de>; Oudesluys <coudesluijs at chello.nl>; Healeys, Forum <Healeys at autox.team.net>
Sent: Thu, Dec 17, 2015 11:47 am
Subject: Re: [Healeys] New Classic Technologies Fuse Box

Josef, The process of using branch circuits with multiple fuses (or breakers in industry) is called protective discrimination. If done properly, the lower rated fuse will rupture before the higher rated one above it in the chain. 

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