Sub Panel in Detached Shop- no ground

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timmed

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Portland, OR, USA
[FONT=&quot]Sorry if this topic has been covered before, I am new to the forum. I just bought a home that has some questionable wiring, and I am working to correct everything. The main 200amp service to the home is fine, but there's a sub-panel in a detached shop and a second sub-panel in a detached garage that concern me. The garage sub-panel is fed from the shop sub-panel.[/FONT]

[FONT=&quot]From the main service panel, they ran 2 conductors and 1 neutral to the shop, but no ground. At the sub-panel the neutral and ground are bonded together. From everything I've been taught, you do not bond them at a sub-panel. To correct this, I separated all the neutrals from the grounds on separate bus bars. I then drove 2 ground rods, about 10 ft apart and connected the ground bar to them with 6 gauge Cu wire. [/FONT][FONT=&quot]Same basic problem in the detached garage. It is fed from the shop sub-panel and has the same issue, only ran conductors and neutral, but no ground. I repaired the garage sub-panel the same way.[/FONT]

[FONT=&quot]All outlets test correctly now, no open grounds. My only question at this point is whether I should be bonding the neutral and ground bar(s) in those 2 subs.[/FONT]

[FONT=&quot]Thanks in advance,[/FONT]
[FONT=&quot]Tim[/FONT]
 
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