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Old 01-26-2011, 04:56 PM   #1
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No Problem BUT what is it??

The standard vent fan in the lavatory of my TT is controlled by a wall switch and if the wall switch is on, it can be shut on / off with the switch on the fan... This is the same arrangement as the fan in another part of the trailer BUT the bathroom fan is different.. The picture attached shows what appears to be a junction box installed on the bathroom fan framework with wires coming in and out of it... The other fan has no junction box at all (both fans are identical except for this)... any idea why a junction box is used on this fan only?? Just wondering...
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Old 01-26-2011, 05:08 PM   #2
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Possibly a GFI wiring connection between the two fans?
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Old 01-26-2011, 06:16 PM   #3
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The fans are on separate circuits, but since everything in the bathroom must be GFI protected (outlet is a GFI), that might be it.. The switch for the fan is right above the sink... I will test the bathroom GFI outlet and see what the bathroom fan does... but then again, the fan is 12 vdc, not 110 vac as is the outlet.. Thanks
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Old 01-26-2011, 07:24 PM   #4
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Guess it is time to open the box up and see what is inside.
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Old 01-27-2011, 07:25 AM   #5
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my guess would be simply a junction box. but don't understand why there and not on the other fan. i have something like that but there is a push button switch on the bottom.
haven't heard of a gfi on a dc circuit (not saying they don't exist just not n my limited knowledge base).
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Old 01-27-2011, 07:55 AM   #6
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Quote:
Originally Posted by kenandterry View Post
Possibly a GFI wiring connection between the two fans?
I've never heard of a ground fault interrupter on a 12v DC
device. It would not be necessary as this low voltage
is not considered hazardous to your health!

I hate those little "WHINEY" fans! They make more
noise than a big fan (Maxx Air or others) but move little
air.
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Old 01-27-2011, 08:01 AM   #7
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Just a junction box. Some have a pushbutton switch in them if there is no other switch for the fan.
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Old 01-31-2011, 08:39 AM   #8
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On mine, It turns the fan on when you open up the vent. On my tailer, it also has a box that contains a push button switch.
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Old 01-31-2011, 10:44 AM   #9
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Its just a junction box for the fan mtr. and the switch.
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Old 01-31-2011, 05:27 PM   #10
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I agree with Ted
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Old 01-31-2011, 05:46 PM   #11
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maybe they cut the wire too short... had to splice them together.... never know these days
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