Saturday, October 27, 2012

Re: [Electric Boats] Watch those amps!

 

Kirk:

Yes, In my case the cable lug became a fuse and a good thing too!  I would imagine a solid tool like a wrench would not so easily become a fusible link like the lug did . Indeed using solid handled tools requires even more caution around battery terminals.

Capt. Mike
http://biankablog.blogspot.com



From: Kirk McLoren <kirkmcloren@yahoo.com>
To: "electricboats@yahoogroups.com" <electricboats@yahoogroups.com> 


Sent: Wednesday, October 24, 2012 1:27 PM
Subject: Re: [Electric Boats] Watch those amps!

 
Hello Captain Mike.
In the event of a short the only limiting factor is the few milliohms of the wire. It internal impedance of the battery is very small.
The resultant current may be many times 200.
I have seen wrenches get eaten. Always remove wristwatch and rings before working.
Kirk
 
To love God in the most practical way is to love our fellow beings.


From: Mike <biankablog@verizon.net>
To: ELECTRIC BOATS <electricboats@yahoogroups.com>
Sent: Wednesday, October 24, 2012 7:12 AM
Subject: [Electric Boats] Watch those amps!

 
Well, while I was adding some terminals for a new helm instrumentation project one if the battery interconnect cable  lugs touched the post of the battery next to it for under a second. Thought this group would like to see the result:
http://biankablog.blogspot.com/2012/10/mistakes-of-electric-sailor.html
Not great harm but, it certainly got my attention. Just a reminder to be careful around those batteries.




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