Earth/ground wire function? - Jemsite
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post #1 of 5 (permalink) Old 08-16-2012, 05:04 AM Thread Starter
 
Join Date: Dec 2011
Location: england
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Earth/ground wire function?

Hey guys, been thinking about electronics recently and have a question.

I understand the function of the live, earth and neutral wires. In a circuit the earth is there to provide a link to the ground in the case of a mishap.

However, on an electric guitar we have our earth wire attatched to the trem claw or perhaps a non metallic painted surface etc. Now this is all well and good, but i do not see how the trem claw provides a link to the actual earth.

I wander if somebody can explain in simple terms how the electricity actually gets back to its beloved earth from these grounding techniques?

Thanks again for any help you can offer!!!
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post #2 of 5 (permalink) Old 11-18-2012, 09:07 AM
 
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Re: Earth/ground wire function?

Trem claw grnd wire grounds the Trem, strings,vol/tone pots etc ...fingers touch the strings, ground goes to your feet which are on the earth & even with some rubber between it,unless you wear shoes with 3" thick soles you need to be grounded
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post #3 of 5 (permalink) Old 11-18-2012, 11:36 PM
 
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Re: Earth/ground wire function?

"Now this is all well and good, but i do not see how the trem claw provides a link to the actual earth."

The trem claw is connected to all the grounds in your guitar which are connected to the amp through the instrument cable. The amp is connected to the house wiring ground wire which is connected to a pipe or rod going into the dirt (ground) earth.
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post #4 of 5 (permalink) Old 11-19-2012, 12:51 AM
 
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Re: Earth/ground wire function?

[QUOTE=moonlight;1209251]"Now this is all well and good, but i do not see how the trem claw provides a link to the actual earth."

The trem claw is connected to all the grounds in your guitar which are connected to the amp through the instrument cable. The amp is connected to the house wiring ground wire which is connected to a pipe or rod going into the dirt (ground) earth.[/QUOTE

The Trem claw is just a part of the grounding circuit. iF YOU JUST FOR EXAMPLE,MAKE The trem claw the start point,just as an example......it connects to the electronics,then to the output jack,which connects to your cable to your amp,which goes to the wall etc etc etc ............ok jump back to the Trem claw ....The trem claw is grounded, therefore the TREM will be grounded,as will your guitar strings which your hands touch which travels thru you to the ground/earth. The trem claw is just part of the journey of completing a circuit is all.
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post #5 of 5 (permalink) Old 11-19-2012, 03:13 AM
 
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Re: Earth/ground wire function?

in a correct curcuit you will be able to trace the ground from the actual input jack all the way to the trem claw.

the ground comes from the jack to the back of one of the pots and if you have multiple pots they should all have a connection to one another. From there they should go to the trem claw.

it is just a part of making a closed curcuit, and in the process helping to get rid of ambient 60 cycle hum.

in any curcuit you have to have a difference of electrical flow. Usually represented by a HOT lead and ground lead.
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