[Healeys] Fwd: New Classic Technologies Fuse Box

[warthodson@aol.com]

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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@telus.net>
To: josef-eckert <josef-eckert@t-online.de>; Oudesluys <coudesluijs@chello.nl>; 
Healeys, Forum <Healeys@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 
inindustry) is called protective discrimination.If done properly, the lower 
rated fuse will rupture before the higher ratedone above it in the chain.


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<div>This is a fun subject. Carrying&nbsp;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&nbsp;switched should have a separate relay so that the switch is 
powered from one circuit &amp; it energizes a relay that in turn energizes the 
light, etc.&nbsp;Shouldn't the relay circuit also be fused? What if the short 
is in the relay circuit? </div>



<div>Gary Hodson</div>



<div>&nbsp;</div>



<div style="color: black; font-family: arial,helvetica; font-size: 
10pt;">-----Original Message-----<br>

From: Roger Grace &lt;<a 
href="mailto:roggrace@telus.net";>roggrace@telus.net</a>&gt;<br>

To: josef-eckert &lt;<a 
href="mailto:josef-eckert@t-online.de";>josef-eckert@t-online.de</a>&gt;; 
Oudesluys &lt;<a 
href="mailto:coudesluijs@chello.nl";>coudesluijs@chello.nl</a>&gt;; Healeys, 
Forum &lt;<a 
href="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a>&gt;<br>

Sent: Thu, Dec 17, 2015 11:47 am<br>

Subject: Re: [Healeys] New Classic Technologies Fuse Box<br>

<br>

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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