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Old 12-23-2014, 02:34 PM   #11
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Some people say only hook the switch into the negative side; others say positive side. Does that mean it doesn't matter a whole lot which side?
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Old 12-23-2014, 03:34 PM   #12
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When switches are used to open the battery circuit then you can open either side, positive or negative. When switches are used in branch circuits then you open only the positive side.
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Old 12-24-2014, 07:16 AM   #13
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Just a thought.
If the switch is connected to the negative side of the battery and a light or something is switched on it won't be on if the battery is switched off, unless there is a short somewhere, anywhere, then the batteries could drain and a potential fire hazard. If the the battery switch is connected to the positive side of the battery then a short somewhere can't happen.
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Old 12-24-2014, 09:55 AM   #14
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Quote:
Originally Posted by Imnaha.Mansion View Post
Just a thought.
If the switch is connected to the negative side of the battery and a light or something is switched on it won't be on if the battery is switched off, unless there is a short somewhere, anywhere, then the batteries could drain and a potential fire hazard. If the the battery switch is connected to the positive side of the battery then a short somewhere can't happen.

With the switch on EITHER the Positive or Negative side of the battery(s), DISCONNECTS the battery(s) from the TT circuit, eliminating any chance of short to/from the battery. The only other power source, would be the TT's charge controller which will supply power to the TT, with or without the battery connected.

Just my thoughts,

Don
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Old 12-26-2014, 10:59 AM   #15
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The battery disconnect switches I have been looking at have a small battery terminal that will only fit on the negative terminal.
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Old 12-26-2014, 07:05 PM   #16
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Does anyone know if these switches are rated for outdoor use? I didn't see anything about it in the descriptions.
Thanks!
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Old 12-29-2014, 11:16 PM   #17
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In the past I have not had a need for a disconnect switch. Now that we leave our trailer in Az over the summer I can see how a switch can make my life easier. This discussion gave me some ideas.
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Old 12-30-2014, 07:42 AM   #18
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The one I used is made by Battery Doctor #20188 -,
http://www.wirthco.com/battery-docto..._132-l-en.html

It states "not approved or intended for Marine use". I would not use this one in an exterior application.
The one I used is intended for side mount batteries, I just drilled out the threaded post that I wanted to use and mounted it on the top lugs of my group 24 battery.
Mine came from Northern Tool.
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