I have a Square D 70 amp sub panel in the basement with no ground wire from the main panel. The HVAC contractors hooked up to 20 amp single pole Circuit breakers with putting the ground wires on the neutral bus do I need a separate ground bar in the case.
No ground help
- Thread starter Dfilo456
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- Location
- Lockport, IL
- Occupation
- Semi-Retired Electrical Engineer
The grounds and the neutrals are required to be separated at any panel downstream of the main panel. Therefore, what the HVAC contractors did was a code violation and potentially dangerous. I recommend you contact an electrician to create a safe installation.
That said, I am closing this thread, in accordance with the forum rules. This forum is intended to assist electricians, electrical contractors, inspectors, and engineers in the performance with their job-related duties. We are not permitted to assist a person who is not employed in the electrical industry.
That said, I am closing this thread, in accordance with the forum rules. This forum is intended to assist electricians, electrical contractors, inspectors, and engineers in the performance with their job-related duties. We are not permitted to assist a person who is not employed in the electrical industry.
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