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Ground wire on spa motor

Posted by PensPete (My Page) on
Sat, May 5, 12 at 17:00

Just replaced an old pump motor that failed. The case of the old motor had a place to anchor a ground wire running from the panel. New motor does not have a place to anchor that ground. Is it necessary? Can I just fasten it to any bolt on the pump?

Thanks in advance for any advice you can offer!


Follow-Up Postings:

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RE: Ground wire on spa motor

You need a star type lick washer (internal or external, with internal a little better) to make sure a solid bond is formed that cuts trough paint and any contamination on the surface.


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RE: Ground wire on spa motor

Thanks for his reply. Let me add some clarification, as I'm afraid my initial post was unclear. The old motor had a ground wire running from the case of the motor to a universal grounding bar on the panel (where other components were grounded as well). The new motor has no grounding connection at all. Does that mean none is required? I am not talking about the grounding of the entire spa - that is still intact. I'm talking specifically about the grounding of the small motor that runs the circulation pump. Hope that's clear! And again, thanks in advance.


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RE: Ground wire on spa motor

"Does that mean none is required?"

No.
It needs to be bonded just like the old motor.


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RE: Ground wire on spa motor

This isn't the ground, it's the equipotential bonding required of all components and exposed metal of the spa. If something doesn't have a bonding terminal, you must install one.


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RE: Ground wire on spa motor

"This isn't the ground, it's the equipotential bonding required of all components and exposed metal of the spa. "

It follows the same rules for how the bond connection is to be made.


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RE: Ground wire on spa motor

I wasn't arguing with you brick. It is NOT a ground. The requirement for it is different than for grounding (but the terminal is the same as you say). All the things required to be bonded need to be bonded with #8 solid.


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