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Old 01-16-2020, 12:13 AM
Hotspur Hotspur is offline
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Join Date: Jan 2011
Posts: 1,196
Default A silly question about batteries and being plugged in

So my #1 has a UST, so that means there's a 9 volt battery in there. All well and good. And as we all know, that battery is engaged when the battery is plugged into the cable. Don't leave you guitar plugged in all day, you'll drain the battery. Great. Got it.

However, my guitar strap doesn't really stick onto my input jack that well, so I have a little plastic doohickey which slides in there so I can wear my guitar with a strap safely when not plugged in.

My question is: does the plastic doohickey which goes in the input jack to secure the strap connect the battery, or does the battery only get connected because a guitar cable itself is conductive? That is to say, is it the metal, conductive qualities of the guitar cable that cause it to close the loop when it's plugged into the input jack, or is there a physical switch which gets triggered because something in the jack pushes one metal contact against another metal contact?

I feel like I should know this.
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