Should I tie my grounds together?

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Old 09-21-06, 10:03 AM
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Should I tie my grounds together?

I will have 3 lighting circuits coming into the same 3 gang box in my basement. Do I need to tie the grounds from each circuit together since they're in the same box or do I keep them seperate? I know the neutrals stay seperate just wasn't sure about the ground.
 
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Old 09-21-06, 10:13 AM
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Yes, tie the grounds together. All grounds in a junction box are tied together.
 
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Old 09-21-06, 10:42 AM
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Iíd also make sure to label each hot/neutral/ground to avoid confusion later on.

If the box is metal, donít forget ground the box and tie that one in as well.
Yu
 
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Old 09-21-06, 10:47 AM
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Thanks!

Great, thanks for the info guys.

Yeah I've been labeling everything fuente. That actually leads me to another question I was going to save for the inspector. To keep everything straight until hook up all the switches and receptiles I've been making labels using a label maker and labeling the cables in the boxes. Can I leave those labels on once I connect everything and go to stuff it all into the box?
 
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Old 09-21-06, 11:05 AM
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I wouldn't see why not. The labeling is going to be more use to you and the future owner then the inspector.
 
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Old 09-21-06, 12:20 PM
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Originally Posted by racraft
Yes, tie the grounds together. All grounds in a junction box are tied together.

The only time I would not do this is where multimedia is concerned - particularly sound. This may result in a 60hz audible hum.
 
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Old 09-21-06, 12:32 PM
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The NEC requires that ALL grounds in a common junction box be tied together. If you don't want to do this, then use a separate junction box.
 
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Old 09-22-06, 02:10 AM
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"The only time I would not do this is where multimedia is concerned - particularly sound. This may result in a 60hz audible hum."

This situation would require an isolated ground. In residential work it is easier to just put the outlet on its own circuit with its own home run to the panel.
 
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