Essential Electrical Grounding for Pools, Spas and Hot Tubs
What is the right way to Ground Pools, Spas and Hot Tubs? I am installing a packaged above-ground spa. I have a 50amp breaker in my panel feeding a GFI disconnect panel near the spa.
Electrical Grounding for Pools, Spas and Hot Tubs
Question:What is the right way to Ground Pools, Spas and Hot Tubs?
I am installing a packaged above-ground spa. I have a 50amp breaker in my panel feeding a GFI disconnect panel near the spa. All 4 wires from the main panel to the disconnect panel are #6 copper stranded. I had an electrician install the disconnect panel and leave a length (about 16′) of flexible conduit and wires to the spa equipment. I will make the final connection of the 4 wires inside the spa equipment. The manual for the spa specifies #6 copper for common and the two hot wires. They also specify #8 for the ground. My electrician, for some reason, used #10 copper for the ground wire from the disconnect to the spa equipment (about 16′). He says it’s not a problem even though the installation instructions say to use #8. Is he right? Will it be safe to use #10?
This question is from Neil, a Homeowner from Simi Valley, California.
Thanks for your electrical question Neil.
How to Provide Electrical Grounding for Pools, Spas and Hot Tubs
No – this is not safe. A #8 copper ground wire must be installed in place of the #10 ground wire. Furthermore, I would require the electrician to make this correction at his expense siting the specified requirements clearly stated at the spa and due to the fact that the #10 ground wire that was installed is a violation of the NEC requirements for this circuit. The inspection of this project should have caught this, and if you did not do this with a permit then you just placed yourself in a vulnerable position in more ways than one, especially when it comes to spa and pool equipment where essential ground fault devices are required to be installed correctly and according to NEC code for your safety and protection.
I have provided the following links that lead to fully detailed information on this website that will assist you with your electrical question:
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