Re: [AFMUG] House Grounding

Wed, 22 May 2019 08:26:44 -0700

I still don't understand. Are you saying a ground bar, or a ground rod (going into the ground)?

When we moved into our current home (over 23 years ago), it had gone through a number of additions. As a result, there were 5 separate panels and sub-panels. At that time, we hired an electrician to help sort out some anomalies. So the main panel and each sub-panel had a separate ground rod, with each panel/sub-panel tied to that ground rod. The electrician we hired, told us that was not code, and proceeded to remove the tie to each of sub-panels, and he left only the first tie at the main panel. There is quite a distance between the main panel and the furthest sub-panel (around 120').


bp
<part15sbs{at}gmail{dot}com>
On 5/22/2019 8:06 AM, Sterling Jacobson wrote:

It’s on the outside.

 

I didn’t open the electrical panel.

 

From: AF <[email protected]> On Behalf Of Bill Prince
Sent: Wednesday, May 22, 2019 8:19 AM
To: [email protected]
Subject: Re: [AFMUG] House Grounding

 

What do you mean there's nothing attached to it? Inside most panels there are two "bars"; one for ground and one for neutral, plus an inter-tie at the main panel. There are different rules, depending on whether it's a main panel or a sub-panel.

Did you measure the potential at the bar, and whether there is potential between neutral and ground?

 

bp
<part15sbs{at}gmail{dot}com>
 

On 5/21/2019 4:54 PM, Sterling Jacobson wrote:

I have a house POP where the electrical service had a grounding bar attached/screwed into the side of it, but nothing on it.

 

Is it possible that the grounding bar is grounded internally somehow?

Or maybe the whole electrical box is grounded already and therefor that bar is also properly grounded?

 

Just never seen that, and am thinking it’s more likely that they disconnected the grounding wire to a grounding rod during landscaping.

I haven’t had a chance to really dig around their service conduit to look for a grounding rod, but none was immediately visible.

 

I went ahead and tied in my box grounding bar to that grounding bar anyways.







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