Hello everyone,

I have a detached garage with a Subpanel that had all been wired by previous owners of my home. The lights in this garage are turned on and off by using the breaker. I wanted to add an actual light switch, something I've done in the past without a problem. When I opened up the panel, I noticed that all the grounds and neutral wires were on the same bus bar.

It is my understanding that these should be on separate bars in a sub panel. I'm not sure if codes allowed this at some point in time, or if this was just never done to code. So long story short- I stopped my switch install until I figure out if this is going to be kosher or if there's something I need to do to address this. And if I do need to separate these bars, what would that entail?

I've attached some photos of both my home panel and the sub panel in the garage for reference.

I appreciate any input you have for me concerning this!
 

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Hello everyone,

I have a detached garage with a Subpanel that had all been wired by previous owners of my home. The lights in this garage are turned on and off by using the breaker. I wanted to add an actual light switch, something I've done in the past without a problem. When I opened up the panel, I noticed that all the grounds and neutral wires were on the same bus bar.

It is my understanding that these should be on separate bars in a sub panel. I'm not sure if codes allowed this at some point in time, or if this was just never done to code. So long story short- I stopped my switch install until I figure out if this is going to be kosher or if there's something I need to do to address this. And if I do need to separate these bars, what would that entail?

I've attached some photos of both my home panel and the sub panel in the garage for reference.

I appreciate any input you have for me concerning this!
The NEC states that all sub panels shall have 4 wires 2 hots 1 neutral and 1 ground wire. Yes you are supposed to separate all neutrals and grounds. You can purchase a ground bar and install it. If you are going to do it do it the right way. Good luck on your light switch
 

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Garage Subpanel Questions
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UK Electrical Forum
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drobertson26,
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Megawatt,
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