Just in from Square D [RE-wrenches]

[Drake Chamberlin - Electrical Energy]

<x-flowed>At 01:00 AM 03/12/2001 -0800, you wrote:
>At 8:27 am -0800 11/3/01, Drake Chamberlin - Electrical Energy wrote:
>>
>>Part of the reason is the in the US, our National Electrical Code 
>>requires that all ungrounded conductors have overcurrent protection. I 
>>don't know how this would apply to British systems.
>
>Yes it does, but that's not a reason for the requirement, it's just a 
>requirement.  While it is useful to know the wording of the code, I am 
>actually more interested in knowing the logic behind it.

A grounded conductor is at ground potential.  Current is initiated through 
the wire that is energized relative to ground.  With an ungrounded 
circuit,  either wire could potentially become the motive force.  I think 
we are saying essentially the same thing.

Drake 

- - - - - - -
To send a message:
 RE-wrenches at topica.com

The archive of previous messages: 
 http://www.topica.com/lists/RE-wrenches/

List rules & etiquette:
 http://www.mrsharkey.com/wrenches/etiquete.htm

To unsubscribe send a message to: 
 RE-wrenches-unsubscribe at topica.com

To check out the other RE-Wrench participants:
 www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine: 
 www.homepower.com

For info contact list moderator by email:
 michael.welch at homepower.com

____________________________________________________________
T O P I C A  -- Learn More. Surf Less. 
Newsletters, Tips and Discussions on Topics You Choose.
http://www.topica.com/partner/tag01

</x-flowed>