can I add a ground to exterior spa panel?

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New member
Rolla, MO
I'm placing a 240v 50amp spa on my patio. It will be a 90' run between my home main panel and the spa shutoff panel that contains the GFI. The spa will be an additional 30' from the spa shutoff panel. I am using #6 wire. My question is do I have to run #6 wire for the ground between the two panels, and or can I not run a ground wire at all between the two panels if I ground the spa shutoff panel. I planned on driving a 10' grounding rod about 6' away from the spa shutoff panel and using #6 wire to connect it to the grounding strip in the spa shutoff panel. I will run a ground wire along with the two hots and neutral to the spa. (Again, does the ground wire need to be the same gauge as the hots and neutral?)

Dennis Alwon

Staff member
Chapel Hill, NC
Electrical Contractor
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